diff options
43 files changed, 2023 insertions, 1436 deletions
diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index 30b3651..9ddf8c6 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl @@ -3982,7 +3982,6 @@ int num_ioctls;</synopsis> <title>Interrupt Handling</title> !Pdrivers/gpu/drm/i915/i915_irq.c interrupt handling !Fdrivers/gpu/drm/i915/i915_irq.c intel_irq_init intel_irq_init_hw intel_hpd_init -!Fdrivers/gpu/drm/i915/i915_irq.c intel_irq_fini !Fdrivers/gpu/drm/i915/i915_irq.c intel_runtime_pm_disable_interrupts !Fdrivers/gpu/drm/i915/i915_irq.c intel_runtime_pm_enable_interrupts </sect2> @@ -4199,6 +4198,23 @@ int num_ioctls;</synopsis> !Idrivers/gpu/drm/i915/i915_gem_gtt.c </sect2> <sect2> + <title>GTT Fences and Swizzling</title> +!Idrivers/gpu/drm/i915/i915_gem_fence.c + <sect3> + <title>Global GTT Fence Handling</title> +!Pdrivers/gpu/drm/i915/i915_gem_fence.c fence register handling + </sect3> + <sect3> + <title>Hardware Tiling and Swizzling Details</title> +!Pdrivers/gpu/drm/i915/i915_gem_fence.c tiling swizzling details + </sect3> + </sect2> + <sect2> + <title>Object Tiling IOCTLs</title> +!Idrivers/gpu/drm/i915/i915_gem_tiling.c +!Pdrivers/gpu/drm/i915/i915_gem_tiling.c buffer object tiling + </sect2> + <sect2> <title>Buffer Object Eviction</title> <para> This section documents the interface functions for evicting buffer diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index b3d9992..998b464 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -6,12 +6,13 @@ # core driver code i915-y := i915_drv.o \ + i915_irq.o \ i915_params.o \ i915_suspend.o \ i915_sysfs.o \ + intel_csr.o \ intel_pm.o \ - intel_runtime_pm.o \ - intel_csr.o + intel_runtime_pm.o i915-$(CONFIG_COMPAT) += i915_ioc32.o i915-$(CONFIG_DEBUG_FS) += i915_debugfs.o @@ -20,21 +21,20 @@ i915-$(CONFIG_DEBUG_FS) += i915_debugfs.o i915-y += i915_cmd_parser.o \ i915_gem_batch_pool.o \ i915_gem_context.o \ - i915_gem_render_state.o \ i915_gem_debug.o \ i915_gem_dmabuf.o \ i915_gem_evict.o \ i915_gem_execbuffer.o \ + i915_gem_fence.o \ i915_gem_gtt.o \ i915_gem.o \ + i915_gem_render_state.o \ i915_gem_shrinker.o \ i915_gem_stolen.o \ i915_gem_tiling.o \ i915_gem_userptr.o \ i915_gpu_error.o \ - i915_irq.o \ i915_trace_points.o \ - intel_hotplug.o \ intel_lrc.o \ intel_mocs.o \ intel_ringbuffer.o \ @@ -48,11 +48,14 @@ i915-y += intel_renderstate_gen6.o \ # modesetting core code i915-y += intel_audio.o \ + intel_atomic.o \ + intel_atomic_plane.o \ intel_bios.o \ intel_display.o \ intel_fbc.o \ intel_fifo_underrun.o \ intel_frontbuffer.o \ + intel_hotplug.o \ intel_modes.o \ intel_overlay.o \ intel_psr.o \ @@ -68,15 +71,13 @@ i915-y += dvo_ch7017.o \ dvo_ns2501.o \ dvo_sil164.o \ dvo_tfp410.o \ - intel_atomic.o \ - intel_atomic_plane.o \ intel_crt.o \ intel_ddi.o \ - intel_dp.o \ intel_dp_mst.o \ + intel_dp.o \ intel_dsi.o \ - intel_dsi_pll.o \ intel_dsi_panel_vbt.o \ + intel_dsi_pll.o \ intel_dvo.o \ intel_hdmi.o \ intel_i2c.o \ diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c index 430571b..237ff68 100644 --- a/drivers/gpu/drm/i915/i915_cmd_parser.c +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c @@ -151,8 +151,8 @@ static const struct drm_i915_cmd_descriptor render_cmds[] = { CMD( MI_ARB_ON_OFF, SMI, F, 1, R ), CMD( MI_PREDICATE, SMI, F, 1, S ), CMD( MI_TOPOLOGY_FILTER, SMI, F, 1, S ), - CMD( MI_DISPLAY_FLIP, SMI, !F, 0xFF, R ), CMD( MI_SET_APPID, SMI, F, 1, S ), + CMD( MI_DISPLAY_FLIP, SMI, !F, 0xFF, R ), CMD( MI_SET_CONTEXT, SMI, !F, 0xFF, R ), CMD( MI_URB_CLEAR, SMI, !F, 0xFF, S ), CMD( MI_STORE_DWORD_IMM, SMI, !F, 0x3F, B, @@ -564,7 +564,7 @@ static bool validate_cmds_sorted(struct intel_engine_cs *ring, for (j = 0; j < table->count; j++) { const struct drm_i915_cmd_descriptor *desc = - &table->table[i]; + &table->table[j]; u32 curr = desc->cmd.value & desc->cmd.mask; if (curr < previous) { diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 36fe318..33aabc7 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -3645,74 +3645,40 @@ static int ilk_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source, return 0; } -static void hsw_trans_edp_pipe_A_crc_wa(struct drm_device *dev) +static void hsw_trans_edp_pipe_A_crc_wa(struct drm_device *dev, bool enable) { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_A]); struct intel_crtc_state *pipe_config; + struct drm_atomic_state *state; + int ret = 0; drm_modeset_lock_all(dev); - pipe_config = to_intel_crtc_state(crtc->base.state); - - /* - * If we use the eDP transcoder we need to make sure that we don't - * bypass the pfit, since otherwise the pipe CRC source won't work. Only - * relevant on hsw with pipe A when using the always-on power well - * routing. - */ - if (pipe_config->cpu_transcoder == TRANSCODER_EDP && - !pipe_config->pch_pfit.enabled) { - bool active = pipe_config->base.active; - - if (active) { - intel_crtc_control(&crtc->base, false); - pipe_config = to_intel_crtc_state(crtc->base.state); - } - - pipe_config->pch_pfit.force_thru = true; - - intel_display_power_get(dev_priv, - POWER_DOMAIN_PIPE_PANEL_FITTER(PIPE_A)); - - if (active) - intel_crtc_control(&crtc->base, true); + state = drm_atomic_state_alloc(dev); + if (!state) { + ret = -ENOMEM; + goto out; } - drm_modeset_unlock_all(dev); -} - -static void hsw_undo_trans_edp_pipe_A_crc_wa(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_crtc *crtc = - to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_A]); - struct intel_crtc_state *pipe_config; - - drm_modeset_lock_all(dev); - /* - * If we use the eDP transcoder we need to make sure that we don't - * bypass the pfit, since otherwise the pipe CRC source won't work. Only - * relevant on hsw with pipe A when using the always-on power well - * routing. - */ - pipe_config = to_intel_crtc_state(crtc->base.state); - if (pipe_config->pch_pfit.force_thru) { - bool active = pipe_config->base.active; - - if (active) { - intel_crtc_control(&crtc->base, false); - pipe_config = to_intel_crtc_state(crtc->base.state); - } - pipe_config->pch_pfit.force_thru = false; + state->acquire_ctx = drm_modeset_legacy_acquire_ctx(&crtc->base); + pipe_config = intel_atomic_get_crtc_state(state, crtc); + if (IS_ERR(pipe_config)) { + ret = PTR_ERR(pipe_config); + goto out; + } - intel_display_power_put(dev_priv, - POWER_DOMAIN_PIPE_PANEL_FITTER(PIPE_A)); + pipe_config->pch_pfit.force_thru = enable; + if (pipe_config->cpu_transcoder == TRANSCODER_EDP && + pipe_config->pch_pfit.enabled != enable) + pipe_config->base.connectors_changed = true; - if (active) - intel_crtc_control(&crtc->base, true); - } + ret = drm_atomic_commit(state); +out: drm_modeset_unlock_all(dev); + WARN(ret, "Toggling workaround to %i returns %i\n", enable, ret); + if (ret) + drm_atomic_state_free(state); } static int ivb_pipe_crc_ctl_reg(struct drm_device *dev, @@ -3732,7 +3698,7 @@ static int ivb_pipe_crc_ctl_reg(struct drm_device *dev, break; case INTEL_PIPE_CRC_SOURCE_PF: if (IS_HASWELL(dev) && pipe == PIPE_A) - hsw_trans_edp_pipe_A_crc_wa(dev); + hsw_trans_edp_pipe_A_crc_wa(dev, true); *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PF_IVB; break; @@ -3844,7 +3810,7 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe, else if (IS_VALLEYVIEW(dev)) vlv_undo_pipe_scramble_reset(dev, pipe); else if (IS_HASWELL(dev) && pipe == PIPE_A) - hsw_undo_trans_edp_pipe_A_crc_wa(dev); + hsw_trans_edp_pipe_A_crc_wa(dev, false); hsw_enable_ips(crtc); } @@ -4030,24 +3996,14 @@ static ssize_t i915_displayport_test_active_write(struct file *file, { char *input_buffer; int status = 0; - struct seq_file *m; struct drm_device *dev; struct drm_connector *connector; struct list_head *connector_list; struct intel_dp *intel_dp; int val = 0; - m = file->private_data; - if (!m) { - status = -ENODEV; - return status; - } - dev = m->private; + dev = ((struct seq_file *)file->private_data)->private; - if (!dev) { - status = -ENODEV; - return status; - } connector_list = &dev->mode_config.connector_list; if (len == 0) @@ -4071,9 +4027,7 @@ static ssize_t i915_displayport_test_active_write(struct file *file, DRM_MODE_CONNECTOR_DisplayPort) continue; - if (connector->connector_type == - DRM_MODE_CONNECTOR_DisplayPort && - connector->status == connector_status_connected && + if (connector->status == connector_status_connected && connector->encoder != NULL) { intel_dp = enc_to_intel_dp(connector->encoder); status = kstrtoint(input_buffer, 10, &val); @@ -4105,9 +4059,6 @@ static int i915_displayport_test_active_show(struct seq_file *m, void *data) struct list_head *connector_list = &dev->mode_config.connector_list; struct intel_dp *intel_dp; - if (!dev) - return -ENODEV; - list_for_each_entry(connector, connector_list, head) { if (connector->connector_type != @@ -4152,9 +4103,6 @@ static int i915_displayport_test_data_show(struct seq_file *m, void *data) struct list_head *connector_list = &dev->mode_config.connector_list; struct intel_dp *intel_dp; - if (!dev) - return -ENODEV; - list_for_each_entry(connector, connector_list, head) { if (connector->connector_type != @@ -4194,9 +4142,6 @@ static int i915_displayport_test_type_show(struct seq_file *m, void *data) struct list_head *connector_list = &dev->mode_config.connector_list; struct intel_dp *intel_dp; - if (!dev) - return -ENODEV; - list_for_each_entry(connector, connector_list, head) { if (connector->connector_type != diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index b1f9e55..ab37d11 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1274,13 +1274,3 @@ const struct drm_ioctl_desc i915_ioctls[] = { }; int i915_max_ioctl = ARRAY_SIZE(i915_ioctls); - -/* - * This is really ugly: Because old userspace abused the linux agp interface to - * manage the gtt, we need to claim that all intel devices are agp. For - * otherwise the drm core refuses to initialize the agp support code. - */ -int i915_driver_device_is_agp(struct drm_device *dev) -{ - return 1; -} diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 0d6775a..1d88745 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -935,8 +935,6 @@ static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (PCI_FUNC(pdev->devfn)) return -ENODEV; - driver.driver_features &= ~(DRIVER_USE_AGP); - return drm_get_pci_dev(pdev, ent, &driver); } @@ -1491,7 +1489,15 @@ static int intel_runtime_suspend(struct device *device) * FIXME: We really should find a document that references the arguments * used below! */ - if (IS_HASWELL(dev)) { + if (IS_BROADWELL(dev)) { + /* + * On Broadwell, if we use PCI_D1 the PCH DDI ports will stop + * being detected, and the call we do at intel_runtime_resume() + * won't be able to restore them. Since PCI_D3hot matches the + * actual specification and appears to be working, use it. + */ + intel_opregion_notify_adapter(dev, PCI_D3hot); + } else { /* * current versions of firmware which depend on this opregion * notification have repurposed the D1 definition to mean @@ -1500,16 +1506,6 @@ static int intel_runtime_suspend(struct device *device) * the suspend path. */ intel_opregion_notify_adapter(dev, PCI_D1); - } else { - /* - * On Broadwell, if we use PCI_D1 the PCH DDI ports will stop - * being detected, and the call we do at intel_runtime_resume() - * won't be able to restore them. Since PCI_D3hot matches the - * actual specification and appears to be working, use it. Let's - * assume the other non-Haswell platforms will stay the same as - * Broadwell. - */ - intel_opregion_notify_adapter(dev, PCI_D3hot); } assert_forcewakes_inactive(dev_priv); @@ -1649,7 +1645,6 @@ static struct drm_driver driver = { * deal with them for Intel hardware. */ .driver_features = - DRIVER_USE_AGP | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM | DRIVER_PRIME | DRIVER_RENDER, .load = i915_driver_load, @@ -1664,7 +1659,6 @@ static struct drm_driver driver = { .suspend = i915_suspend_legacy, .resume = i915_resume_legacy, - .device_is_agp = i915_driver_device_is_agp, #if defined(CONFIG_DEBUG_FS) .debugfs_init = i915_debugfs_init, .debugfs_cleanup = i915_debugfs_cleanup, diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 574d0f1..599441b 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -56,7 +56,7 @@ #define DRIVER_NAME "i915" #define DRIVER_DESC "Intel Graphics" -#define DRIVER_DATE "20150717" +#define DRIVER_DATE "20150731" #undef WARN_ON /* Many gcc seem to no see through this and fall over :( */ @@ -206,11 +206,11 @@ enum intel_display_power_domain { enum hpd_pin { HPD_NONE = 0, - HPD_PORT_A = HPD_NONE, /* PORT_A is internal */ HPD_TV = HPD_NONE, /* TV is known to be unreliable */ HPD_CRT, HPD_SDVO_B, HPD_SDVO_C, + HPD_PORT_A, HPD_PORT_B, HPD_PORT_C, HPD_PORT_D, @@ -484,6 +484,7 @@ struct drm_i915_error_state { struct timeval time; char error_msg[128]; + int iommu; u32 reset_count; u32 suspend_count; @@ -742,7 +743,7 @@ enum csr_state { struct intel_csr { const char *fw_path; - __be32 *dmc_payload; + uint32_t *dmc_payload; uint32_t dmc_fw_size; uint32_t mmio_count; uint32_t mmioaddr[8]; @@ -894,6 +895,7 @@ enum fb_op_origin { ORIGIN_CPU, ORIGIN_CS, ORIGIN_FLIP, + ORIGIN_DIRTYFB, }; struct i915_fbc { @@ -1408,6 +1410,11 @@ enum modeset_restore { MODESET_SUSPENDED, }; +#define DP_AUX_A 0x40 +#define DP_AUX_B 0x10 +#define DP_AUX_C 0x20 +#define DP_AUX_D 0x30 + struct ddi_vbt_port_info { /* * This is an index in the HDMI/DVI DDI buffer translation table. @@ -1420,6 +1427,11 @@ struct ddi_vbt_port_info { uint8_t supports_dvi:1; uint8_t supports_hdmi:1; uint8_t supports_dp:1; + + uint8_t alternate_aux_channel; + + uint8_t dp_boost_level; + uint8_t hdmi_boost_level; }; enum psr_lines_to_wait { @@ -2610,6 +2622,8 @@ struct i915_params { bool reset; bool disable_display; bool disable_vtd_wa; + bool enable_guc_submission; + int guc_log_level; int use_mmio_flip; int mmio_debug; bool verbose_state_checks; @@ -2626,7 +2640,6 @@ extern void i915_driver_preclose(struct drm_device *dev, struct drm_file *file); extern void i915_driver_postclose(struct drm_device *dev, struct drm_file *file); -extern int i915_driver_device_is_agp(struct drm_device * dev); #ifdef CONFIG_COMPAT extern long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); @@ -2646,7 +2659,7 @@ void intel_hpd_irq_handler(struct drm_device *dev, u32 pin_mask, u32 long_mask); void intel_hpd_init(struct drm_i915_private *dev_priv); void intel_hpd_init_work(struct drm_i915_private *dev_priv); void intel_hpd_cancel_work(struct drm_i915_private *dev_priv); -enum port intel_hpd_pin_to_port(enum hpd_pin pin); +bool intel_hpd_pin_to_port(enum hpd_pin pin, enum port *port); /* i915_irq.c */ void i915_queue_hangcheck(struct drm_device *dev); @@ -2758,6 +2771,8 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj, const struct drm_i915_gem_object_ops *ops); struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev, size_t size); +struct drm_i915_gem_object *i915_gem_object_create_from_data( + struct drm_device *dev, const void *data, size_t size); void i915_init_vm(struct drm_i915_private *dev_priv, struct i915_address_space *vm); void i915_gem_free_object(struct drm_gem_object *obj); @@ -2864,11 +2879,6 @@ static inline bool i915_gem_request_completed(struct drm_i915_gem_request *req, int __must_check i915_gem_get_seqno(struct drm_device *dev, u32 *seqno); int __must_check i915_gem_set_seqno(struct drm_device *dev, u32 seqno); -int __must_check i915_gem_object_get_fence(struct drm_i915_gem_object *obj); -int __must_check i915_gem_object_put_fence(struct drm_i915_gem_object *obj); - -bool i915_gem_object_pin_fence(struct drm_i915_gem_object *obj); -void i915_gem_object_unpin_fence(struct drm_i915_gem_object *obj); struct drm_i915_gem_request * i915_gem_find_active_request(struct intel_engine_cs *ring); @@ -2966,8 +2976,6 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev, struct dma_buf *i915_gem_prime_export(struct drm_device *dev, struct drm_gem_object *gem_obj, int flags); -void i915_gem_restore_fences(struct drm_device *dev); - unsigned long i915_gem_obj_ggtt_offset_view(struct drm_i915_gem_object *o, const struct i915_ggtt_view *view); @@ -3062,6 +3070,19 @@ i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj) i915_gem_object_ggtt_unpin_view(obj, &i915_ggtt_view_normal); } +/* i915_gem_fence.c */ +int __must_check i915_gem_object_get_fence(struct drm_i915_gem_object *obj); +int __must_check i915_gem_object_put_fence(struct drm_i915_gem_object *obj); + +bool i915_gem_object_pin_fence(struct drm_i915_gem_object *obj); +void i915_gem_object_unpin_fence(struct drm_i915_gem_object *obj); + +void i915_gem_restore_fences(struct drm_device *dev); + +void i915_gem_detect_bit_6_swizzle(struct drm_device *dev); +void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj); +void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj); + /* i915_gem_context.c */ int __must_check i915_gem_context_init(struct drm_device *dev); void i915_gem_context_fini(struct drm_device *dev); @@ -3154,10 +3175,6 @@ static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_objec obj->tiling_mode != I915_TILING_NONE; } -void i915_gem_detect_bit_6_swizzle(struct drm_device *dev); -void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj); -void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj); - /* i915_gem_debug.c */ #if WATCH_LISTS int i915_verify_lists(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index d9f2701..84f91bc 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -46,11 +46,6 @@ static void i915_gem_object_retire__write(struct drm_i915_gem_object *obj); static void i915_gem_object_retire__read(struct drm_i915_gem_object *obj, int ring); -static void i915_gem_write_fence(struct drm_device *dev, int reg, - struct drm_i915_gem_object *obj); -static void i915_gem_object_update_fence(struct drm_i915_gem_object *obj, - struct drm_i915_fence_reg *fence, - bool enable); static bool cpu_cache_is_coherent(struct drm_device *dev, enum i915_cache_level level) @@ -66,18 +61,6 @@ static bool cpu_write_needs_clflush(struct drm_i915_gem_object *obj) return obj->pin_display; } -static inline void i915_gem_object_fence_lost(struct drm_i915_gem_object *obj) -{ - if (obj->tiling_mode) - i915_gem_release_mmap(obj); - - /* As we do not have an associated fence register, we will force - * a tiling change if we ever need to acquire one. - */ - obj->fence_dirty = false; - obj->fence_reg = I915_FENCE_REG_NONE; -} - /* some bookkeeping */ static void i915_gem_info_add_obj(struct drm_i915_private *dev_priv, size_t size) @@ -2402,6 +2385,13 @@ i915_gem_object_retire__read(struct drm_i915_gem_object *obj, int ring) if (obj->active) return; + /* Bump our place on the bound list to keep it roughly in LRU order + * so that we don't steal from recently used but inactive objects + * (unless we are forced to ofc!) + */ + list_move_tail(&obj->global_list, + &to_i915(obj->base.dev)->mm.bound_list); + list_for_each_entry(vma, &obj->vma_list, vma_link) { if (!list_empty(&vma->mm_list)) list_move_tail(&vma->mm_list, &vma->vm->inactive_list); @@ -2793,27 +2783,6 @@ static void i915_gem_reset_ring_cleanup(struct drm_i915_private *dev_priv, } } -void i915_gem_restore_fences(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int i; - - for (i = 0; i < dev_priv->num_fence_regs; i++) { - struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i]; - - /* - * Commit delayed tiling changes if we have an object still - * attached to the fence, otherwise just clear the fence. - */ - if (reg->obj) { - i915_gem_object_update_fence(reg->obj, reg, - reg->obj->tiling_mode); - } else { - i915_gem_write_fence(dev, i, NULL); - } - } -} - void i915_gem_reset(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -3340,343 +3309,6 @@ int i915_gpu_idle(struct drm_device *dev) return 0; } -static void i965_write_fence_reg(struct drm_device *dev, int reg, - struct drm_i915_gem_object *obj) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - int fence_reg; - int fence_pitch_shift; - - if (INTEL_INFO(dev)->gen >= 6) { - fence_reg = FENCE_REG_SANDYBRIDGE_0; - fence_pitch_shift = SANDYBRIDGE_FENCE_PITCH_SHIFT; - } else { - fence_reg = FENCE_REG_965_0; - fence_pitch_shift = I965_FENCE_PITCH_SHIFT; - } - - fence_reg += reg * 8; - - /* To w/a incoherency with non-atomic 64-bit register updates, - * we split the 64-bit update into two 32-bit writes. In order - * for a partial fence not to be evaluated between writes, we - * precede the update with write to turn off the fence register, - * and only enable the fence as the last step. - * - * For extra levels of paranoia, we make sure each step lands - * before applying the next step. - */ - I915_WRITE(fence_reg, 0); - POSTING_READ(fence_reg); - - if (obj) { - u32 size = i915_gem_obj_ggtt_size(obj); - uint64_t val; - - /* Adjust fence size to match tiled area */ - if (obj->tiling_mode != I915_TILING_NONE) { - uint32_t row_size = obj->stride * - (obj->tiling_mode == I915_TILING_Y ? 32 : 8); - size = (size / row_size) * row_size; - } - - val = (uint64_t)((i915_gem_obj_ggtt_offset(obj) + size - 4096) & - 0xfffff000) << 32; - val |= i915_gem_obj_ggtt_offset(obj) & 0xfffff000; - val |= (uint64_t)((obj->stride / 128) - 1) << fence_pitch_shift; - if (obj->tiling_mode == I915_TILING_Y) - val |= 1 << I965_FENCE_TILING_Y_SHIFT; - val |= I965_FENCE_REG_VALID; - - I915_WRITE(fence_reg + 4, val >> 32); - POSTING_READ(fence_reg + 4); - - I915_WRITE(fence_reg + 0, val); - POSTING_READ(fence_reg); - } else { - I915_WRITE(fence_reg + 4, 0); - POSTING_READ(fence_reg + 4); - } -} - -static void i915_write_fence_reg(struct drm_device *dev, int reg, - struct drm_i915_gem_object *obj) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - u32 val; - - if (obj) { - u32 size = i915_gem_obj_ggtt_size(obj); - int pitch_val; - int tile_width; - - WARN((i915_gem_obj_ggtt_offset(obj) & ~I915_FENCE_START_MASK) || - (size & -size) != size || - (i915_gem_obj_ggtt_offset(obj) & (size - 1)), - "object 0x%08lx [fenceable? %d] not 1M or pot-size (0x%08x) aligned\n", - i915_gem_obj_ggtt_offset(obj), obj->map_and_fenceable, size); - - if (obj->tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev)) - tile_width = 128; - else - tile_width = 512; - - /* Note: pitch better be a power of two tile widths */ - pitch_val = obj->stride / tile_width; - pitch_val = ffs(pitch_val) - 1; - - val = i915_gem_obj_ggtt_offset(obj); - if (obj->tiling_mode == I915_TILING_Y) - val |= 1 << I830_FENCE_TILING_Y_SHIFT; - val |= I915_FENCE_SIZE_BITS(size); - val |= pitch_val << I830_FENCE_PITCH_SHIFT; - val |= I830_FENCE_REG_VALID; - } else - val = 0; - - if (reg < 8) - reg = FENCE_REG_830_0 + reg * 4; - else - reg = FENCE_REG_945_8 + (reg - 8) * 4; - - I915_WRITE(reg, val); - POSTING_READ(reg); -} - -static void i830_write_fence_reg(struct drm_device *dev, int reg, - struct drm_i915_gem_object *obj) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - uint32_t val; - - if (obj) { - u32 size = i915_gem_obj_ggtt_size(obj); - uint32_t pitch_val; - - WARN((i915_gem_obj_ggtt_offset(obj) & ~I830_FENCE_START_MASK) || - (size & -size) != size || - (i915_gem_obj_ggtt_offset(obj) & (size - 1)), - "object 0x%08lx not 512K or pot-size 0x%08x aligned\n", - i915_gem_obj_ggtt_offset(obj), size); - - pitch_val = obj->stride / 128; - pitch_val = ffs(pitch_val) - 1; - - val = i915_gem_obj_ggtt_offset(obj); - if (obj->tiling_mode == I915_TILING_Y) - val |= 1 << I830_FENCE_TILING_Y_SHIFT; - val |= I830_FENCE_SIZE_BITS(size); - val |= pitch_val << I830_FENCE_PITCH_SHIFT; - val |= I830_FENCE_REG_VALID; - } else - val = 0; - - I915_WRITE(FENCE_REG_830_0 + reg * 4, val); - POSTING_READ(FENCE_REG_830_0 + reg * 4); -} - -inline static bool i915_gem_object_needs_mb(struct drm_i915_gem_object *obj) -{ - return obj && obj->base.read_domains & I915_GEM_DOMAIN_GTT; -} - -static void i915_gem_write_fence(struct drm_device *dev, int reg, - struct drm_i915_gem_object *obj) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - /* Ensure that all CPU reads are completed before installing a fence - * and all writes before removing the fence. - */ - if (i915_gem_object_needs_mb(dev_priv->fence_regs[reg].obj)) - mb(); - - WARN(obj && (!obj->stride || !obj->tiling_mode), - "bogus fence setup with stride: 0x%x, tiling mode: %i\n", - obj->stride, obj->tiling_mode); - - if (IS_GEN2(dev)) - i830_write_fence_reg(dev, reg, obj); - else if (IS_GEN3(dev)) - i915_write_fence_reg(dev, reg, obj); - else if (INTEL_INFO(dev)->gen >= 4) - i965_write_fence_reg(dev, reg, obj); - - /* And similarly be paranoid that no direct access to this region - * is reordered to before the fence is installed. - */ - if (i915_gem_object_needs_mb(obj)) - mb(); -} - -static inline int fence_number(struct drm_i915_private *dev_priv, - struct drm_i915_fence_reg *fence) -{ - return fence - dev_priv->fence_regs; -} - -static void i915_gem_object_update_fence(struct drm_i915_gem_object *obj, - struct drm_i915_fence_reg *fence, - bool enable) -{ - struct drm_i915_private *dev_priv = obj->base.dev->dev_private; - int reg = fence_number(dev_priv, fence); - - i915_gem_write_fence(obj->base.dev, reg, enable ? obj : NULL); - - if (enable) { - obj->fence_reg = reg; - fence->obj = obj; - list_move_tail(&fence->lru_list, &dev_priv->mm.fence_list); - } else { - obj->fence_reg = I915_FENCE_REG_NONE; - fence->obj = NULL; - list_del_init(&fence->lru_list); - } - obj->fence_dirty = false; -} - -static int -i915_gem_object_wait_fence(struct drm_i915_gem_object *obj) -{ - if (obj->last_fenced_req) { - int ret = i915_wait_request(obj->last_fenced_req); - if (ret) - return ret; - - i915_gem_request_assign(&obj->last_fenced_req, NULL); - } - - return 0; -} - -int -i915_gem_object_put_fence(struct drm_i915_gem_object *obj) -{ - struct drm_i915_private *dev_priv = obj->base.dev->dev_private; - struct drm_i915_fence_reg *fence; - int ret; - - ret = i915_gem_object_wait_fence(obj); - if (ret) - return ret; - - if (obj->fence_reg == I915_FENCE_REG_NONE) - return 0; - - fence = &dev_priv->fence_regs[obj->fence_reg]; - - if (WARN_ON(fence->pin_count)) - return -EBUSY; - - i915_gem_object_fence_lost(obj); - i915_gem_object_update_fence(obj, fence, false); - - return 0; -} - -static struct drm_i915_fence_reg * -i915_find_fence_reg(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_i915_fence_reg *reg, *avail; - int i; - - /* First try to find a free reg */ - avail = NULL; - for (i = dev_priv->fence_reg_start; i < dev_priv->num_fence_regs; i++) { - reg = &dev_priv->fence_regs[i]; - if (!reg->obj) - return reg; - - if (!reg->pin_count) - avail = reg; - } - - if (avail == NULL) - goto deadlock; - - /* None available, try to steal one or wait for a user to finish */ - list_for_each_entry(reg, &dev_priv->mm.fence_list, lru_list) { - if (reg->pin_count) - continue; - - return reg; - } - -deadlock: - /* Wait for completion of pending flips which consume fences */ - if (intel_has_pending_fb_unpin(dev)) - return ERR_PTR(-EAGAIN); - - return ERR_PTR(-EDEADLK); -} - -/** - * i915_gem_object_get_fence - set up fencing for an object - * @obj: object to map through a fence reg - * - * When mapping objects through the GTT, userspace wants to be able to write - * to them without having to worry about swizzling if the object is tiled. - * This function walks the fence regs looking for a free one for @obj, - * stealing one if it can't find any. - * - * It then sets up the reg based on the object's properties: address, pitch - * and tiling format. - * - * For an untiled surface, this removes any existing fence. - */ -int -i915_gem_object_get_fence(struct drm_i915_gem_object *obj) -{ - struct drm_device *dev = obj->base.dev; - struct drm_i915_private *dev_priv = dev->dev_private; - bool enable = obj->tiling_mode != I915_TILING_NONE; - struct drm_i915_fence_reg *reg; - int ret; - - /* Have we updated the tiling parameters upon the object and so - * will need to serialise the write to the associated fence register? - */ - if (obj->fence_dirty) { - ret = i915_gem_object_wait_fence(obj); - if (ret) - return ret; - } - - /* Just update our place in the LRU if our fence is getting reused. */ - if (obj->fence_reg != I915_FENCE_REG_NONE) { - reg = &dev_priv->fence_regs[obj->fence_reg]; - if (!obj->fence_dirty) { - list_move_tail(®->lru_list, - &dev_priv->mm.fence_list); - return 0; - } - } else if (enable) { - if (WARN_ON(!obj->map_and_fenceable)) - return -EINVAL; - - reg = i915_find_fence_reg(dev); - if (IS_ERR(reg)) - return PTR_ERR(reg); - - if (reg->obj) { - struct drm_i915_gem_object *old = reg->obj; - - ret = i915_gem_object_wait_fence(old); - if (ret) - return ret; - - i915_gem_object_fence_lost(old); - } - } else - return 0; - - i915_gem_object_update_fence(obj, reg, enable); - - return 0; -} - static bool i915_gem_valid_gtt_space(struct i915_vma *vma, unsigned long cache_level) { @@ -4476,32 +4108,6 @@ i915_gem_object_ggtt_unpin_view(struct drm_i915_gem_object *obj, --vma->pin_count; } -bool -i915_gem_object_pin_fence(struct drm_i915_gem_object *obj) -{ - if (obj->fence_reg != I915_FENCE_REG_NONE) { - struct drm_i915_private *dev_priv = obj->base.dev->dev_private; - struct i915_vma *ggtt_vma = i915_gem_obj_to_ggtt(obj); - - WARN_ON(!ggtt_vma || - dev_priv->fence_regs[obj->fence_reg].pin_count > - ggtt_vma->pin_count); - dev_priv->fence_regs[obj->fence_reg].pin_count++; - return true; - } else - return false; -} - -void -i915_gem_object_unpin_fence(struct drm_i915_gem_object *obj) -{ - if (obj->fence_reg != I915_FENCE_REG_NONE) { - struct drm_i915_private *dev_priv = obj->base.dev->dev_private; - WARN_ON(dev_priv->fence_regs[obj->fence_reg].pin_count <= 0); - dev_priv->fence_regs[obj->fence_reg].pin_count--; - } -} - int i915_gem_busy_ioctl(struct drm_device *dev, void *data, struct drm_file *file) @@ -5477,3 +5083,43 @@ bool i915_gem_obj_is_pinned(struct drm_i915_gem_object *obj) return false; } + +/* Allocate a new GEM object and fill it with the supplied data */ +struct drm_i915_gem_object * +i915_gem_object_create_from_data(struct drm_device *dev, + const void *data, size_t size) +{ + struct drm_i915_gem_object *obj; + struct sg_table *sg; + size_t bytes; + int ret; + + obj = i915_gem_alloc_object(dev, round_up(size, PAGE_SIZE)); + if (IS_ERR_OR_NULL(obj)) + return obj; + + ret = i915_gem_object_set_to_cpu_domain(obj, true); + if (ret) + goto fail; + + ret = i915_gem_object_get_pages(obj); + if (ret) + goto fail; + + i915_gem_object_pin_pages(obj); + sg = obj->pages; + bytes = sg_copy_from_buffer(sg->sgl, sg->nents, (void *)data, size); + i915_gem_object_unpin_pages(obj); + + if (WARN_ON(bytes != size)) { + DRM_ERROR("Incomplete copy, wrote %zu of %zu", bytes, size); + ret = -EFAULT; + goto fail; + } + + return obj; + +fail: + drm_gem_object_unreference(&obj->base); + return ERR_PTR(ret); +} diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index b77a8f7..8e893b3 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -287,6 +287,7 @@ err_unpin: if (is_global_default_ctx && ctx->legacy_hw_ctx.rcs_state) i915_gem_object_ggtt_unpin(ctx->legacy_hw_ctx.rcs_state); err_destroy: + idr_remove(&file_priv->context_idr, ctx->user_handle); i915_gem_context_unreference(ctx); return ERR_PTR(ret); } diff --git a/drivers/gpu/drm/i915/i915_gem_fence.c b/drivers/gpu/drm/i915/i915_gem_fence.c new file mode 100644 index 0000000..af1f8c4 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_gem_fence.c @@ -0,0 +1,787 @@ +/* + * Copyright © 2008-2015 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include <drm/drmP.h> +#include <drm/i915_drm.h> +#include "i915_drv.h" + +/** + * DOC: fence register handling + * + * Important to avoid confusions: "fences" in the i915 driver are not execution + * fences used to track command completion but hardware detiler objects which + * wrap a given range of the global GTT. Each platform has only a fairly limited + * set of these objects. + * + * Fences are used to detile GTT memory mappings. They're also connected to the + * hardware frontbuffer render tracking and hence interract with frontbuffer + * conmpression. Furthermore on older platforms fences are required for tiled + * objects used by the display engine. They can also be used by the render + * engine - they're required for blitter commands and are optional for render + * commands. But on gen4+ both display (with the exception of fbc) and rendering + * have their own tiling state bits and don't need fences. + * + * Also note that fences only support X and Y tiling and hence can't be used for + * the fancier new tiling formats like W, Ys and Yf. + * + * Finally note that because fences are such a restricted resource they're + * dynamically associated with objects. Furthermore fence state is committed to + * the hardware lazily to avoid unecessary stalls on gen2/3. Therefore code must + * explictly call i915_gem_object_get_fence() to synchronize fencing status + * for cpu access. Also note that some code wants an unfenced view, for those + * cases the fence can be removed forcefully with i915_gem_object_put_fence(). + * + * Internally these functions will synchronize with userspace access by removing + * CPU ptes into GTT mmaps (not the GTT ptes themselves) as needed. + */ + +static void i965_write_fence_reg(struct drm_device *dev, int reg, + struct drm_i915_gem_object *obj) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + int fence_reg; + int fence_pitch_shift; + + if (INTEL_INFO(dev)->gen >= 6) { + fence_reg = FENCE_REG_SANDYBRIDGE_0; + fence_pitch_shift = SANDYBRIDGE_FENCE_PITCH_SHIFT; + } else { + fence_reg = FENCE_REG_965_0; + fence_pitch_shift = I965_FENCE_PITCH_SHIFT; + } + + fence_reg += reg * 8; + + /* To w/a incoherency with non-atomic 64-bit register updates, + * we split the 64-bit update into two 32-bit writes. In order + * for a partial fence not to be evaluated between writes, we + * precede the update with write to turn off the fence register, + * and only enable the fence as the last step. + * + * For extra levels of paranoia, we make sure each step lands + * before applying the next step. + */ + I915_WRITE(fence_reg, 0); + POSTING_READ(fence_reg); + + if (obj) { + u32 size = i915_gem_obj_ggtt_size(obj); + uint64_t val; + + /* Adjust fence size to match tiled area */ + if (obj->tiling_mode != I915_TILING_NONE) { + uint32_t row_size = obj->stride * + (obj->tiling_mode == I915_TILING_Y ? 32 : 8); + size = (size / row_size) * row_size; + } + + val = (uint64_t)((i915_gem_obj_ggtt_offset(obj) + size - 4096) & + 0xfffff000) << 32; + val |= i915_gem_obj_ggtt_offset(obj) & 0xfffff000; + val |= (uint64_t)((obj->stride / 128) - 1) << fence_pitch_shift; + if (obj->tiling_mode == I915_TILING_Y) + val |= 1 << I965_FENCE_TILING_Y_SHIFT; + val |= I965_FENCE_REG_VALID; + + I915_WRITE(fence_reg + 4, val >> 32); + POSTING_READ(fence_reg + 4); + + I915_WRITE(fence_reg + 0, val); + POSTING_READ(fence_reg); + } else { + I915_WRITE(fence_reg + 4, 0); + POSTING_READ(fence_reg + 4); + } +} + +static void i915_write_fence_reg(struct drm_device *dev, int reg, + struct drm_i915_gem_object *obj) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + u32 val; + + if (obj) { + u32 size = i915_gem_obj_ggtt_size(obj); + int pitch_val; + int tile_width; + + WARN((i915_gem_obj_ggtt_offset(obj) & ~I915_FENCE_START_MASK) || + (size & -size) != size || + (i915_gem_obj_ggtt_offset(obj) & (size - 1)), + "object 0x%08lx [fenceable? %d] not 1M or pot-size (0x%08x) aligned\n", + i915_gem_obj_ggtt_offset(obj), obj->map_and_fenceable, size); + + if (obj->tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev)) + tile_width = 128; + else + tile_width = 512; + + /* Note: pitch better be a power of two tile widths */ + pitch_val = obj->stride / tile_width; + pitch_val = ffs(pitch_val) - 1; + + val = i915_gem_obj_ggtt_offset(obj); + if (obj->tiling_mode == I915_TILING_Y) + val |= 1 << I830_FENCE_TILING_Y_SHIFT; + val |= I915_FENCE_SIZE_BITS(size); + val |= pitch_val << I830_FENCE_PITCH_SHIFT; + val |= I830_FENCE_REG_VALID; + } else + val = 0; + + if (reg < 8) + reg = FENCE_REG_830_0 + reg * 4; + else + reg = FENCE_REG_945_8 + (reg - 8) * 4; + + I915_WRITE(reg, val); + POSTING_READ(reg); +} + +static void i830_write_fence_reg(struct drm_device *dev, int reg, + struct drm_i915_gem_object *obj) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + uint32_t val; + + if (obj) { + u32 size = i915_gem_obj_ggtt_size(obj); + uint32_t pitch_val; + + WARN((i915_gem_obj_ggtt_offset(obj) & ~I830_FENCE_START_MASK) || + (size & -size) != size || + (i915_gem_obj_ggtt_offset(obj) & (size - 1)), + "object 0x%08lx not 512K or pot-size 0x%08x aligned\n", + i915_gem_obj_ggtt_offset(obj), size); + + pitch_val = obj->stride / 128; + pitch_val = ffs(pitch_val) - 1; + + val = i915_gem_obj_ggtt_offset(obj); + if (obj->tiling_mode == I915_TILING_Y) + val |= 1 << I830_FENCE_TILING_Y_SHIFT; + val |= I830_FENCE_SIZE_BITS(size); + val |= pitch_val << I830_FENCE_PITCH_SHIFT; + val |= I830_FENCE_REG_VALID; + } else + val = 0; + + I915_WRITE(FENCE_REG_830_0 + reg * 4, val); + POSTING_READ(FENCE_REG_830_0 + reg * 4); +} + +inline static bool i915_gem_object_needs_mb(struct drm_i915_gem_object *obj) +{ + return obj && obj->base.read_domains & I915_GEM_DOMAIN_GTT; +} + +static void i915_gem_write_fence(struct drm_device *dev, int reg, + struct drm_i915_gem_object *obj) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + /* Ensure that all CPU reads are completed before installing a fence + * and all writes before removing the fence. + */ + if (i915_gem_object_needs_mb(dev_priv->fence_regs[reg].obj)) + mb(); + + WARN(obj && (!obj->stride || !obj->tiling_mode), + "bogus fence setup with stride: 0x%x, tiling mode: %i\n", + obj->stride, obj->tiling_mode); + + if (IS_GEN2(dev)) + i830_write_fence_reg(dev, reg, obj); + else if (IS_GEN3(dev)) + i915_write_fence_reg(dev, reg, obj); + else if (INTEL_INFO(dev)->gen >= 4) + i965_write_fence_reg(dev, reg, obj); + + /* And similarly be paranoid that no direct access to this region + * is reordered to before the fence is installed. + */ + if (i915_gem_object_needs_mb(obj)) + mb(); +} + +static inline int fence_number(struct drm_i915_private *dev_priv, + struct drm_i915_fence_reg *fence) +{ + return fence - dev_priv->fence_regs; +} + +static void i915_gem_object_update_fence(struct drm_i915_gem_object *obj, + struct drm_i915_fence_reg *fence, + bool enable) +{ + struct drm_i915_private *dev_priv = obj->base.dev->dev_private; + int reg = fence_number(dev_priv, fence); + + i915_gem_write_fence(obj->base.dev, reg, enable ? obj : NULL); + + if (enable) { + obj->fence_reg = reg; + fence->obj = obj; + list_move_tail(&fence->lru_list, &dev_priv->mm.fence_list); + } else { + obj->fence_reg = I915_FENCE_REG_NONE; + fence->obj = NULL; + list_del_init(&fence->lru_list); + } + obj->fence_dirty = false; +} + +static inline void i915_gem_object_fence_lost(struct drm_i915_gem_object *obj) +{ + if (obj->tiling_mode) + i915_gem_release_mmap(obj); + + /* As we do not have an associated fence register, we will force + * a tiling change if we ever need to acquire one. + */ + obj->fence_dirty = false; + obj->fence_reg = I915_FENCE_REG_NONE; +} + +static int +i915_gem_object_wait_fence(struct drm_i915_gem_object *obj) +{ + if (obj->last_fenced_req) { + int ret = i915_wait_request(obj->last_fenced_req); + if (ret) + return ret; + + i915_gem_request_assign(&obj->last_fenced_req, NULL); + } + + return 0; +} + +/** + * i915_gem_object_put_fence - force-remove fence for an object + * @obj: object to map through a fence reg + * + * This function force-removes any fence from the given object, which is useful + * if the kernel wants to do untiled GTT access. + * + * Returns: + * + * 0 on success, negative error code on failure. + */ +int +i915_gem_object_put_fence(struct drm_i915_gem_object *obj) +{ + struct drm_i915_private *dev_priv = obj->base.dev->dev_private; + struct drm_i915_fence_reg *fence; + int ret; + + ret = i915_gem_object_wait_fence(obj); + if (ret) + return ret; + + if (obj->fence_reg == I915_FENCE_REG_NONE) + return 0; + + fence = &dev_priv->fence_regs[obj->fence_reg]; + + if (WARN_ON(fence->pin_count)) + return -EBUSY; + + i915_gem_object_fence_lost(obj); + i915_gem_object_update_fence(obj, fence, false); + + return 0; +} + +static struct drm_i915_fence_reg * +i915_find_fence_reg(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_fence_reg *reg, *avail; + int i; + + /* First try to find a free reg */ + avail = NULL; + for (i = dev_priv->fence_reg_start; i < dev_priv->num_fence_regs; i++) { + reg = &dev_priv->fence_regs[i]; + if (!reg->obj) + return reg; + + if (!reg->pin_count) + avail = reg; + } + + if (avail == NULL) + goto deadlock; + + /* None available, try to steal one or wait for a user to finish */ + list_for_each_entry(reg, &dev_priv->mm.fence_list, lru_list) { + if (reg->pin_count) + continue; + + return reg; + } + +deadlock: + /* Wait for completion of pending flips which consume fences */ + if (intel_has_pending_fb_unpin(dev)) + return ERR_PTR(-EAGAIN); + + return ERR_PTR(-EDEADLK); +} + +/** + * i915_gem_object_get_fence - set up fencing for an object + * @obj: object to map through a fence reg + * + * When mapping objects through the GTT, userspace wants to be able to write + * to them without having to worry about swizzling if the object is tiled. + * This function walks the fence regs looking for a free one for @obj, + * stealing one if it can't find any. + * + * It then sets up the reg based on the object's properties: address, pitch + * and tiling format. + * + * For an untiled surface, this removes any existing fence. + * + * Returns: + * + * 0 on success, negative error code on failure. + */ +int +i915_gem_object_get_fence(struct drm_i915_gem_object *obj) +{ + struct drm_device *dev = obj->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + bool enable = obj->tiling_mode != I915_TILING_NONE; + struct drm_i915_fence_reg *reg; + int ret; + + /* Have we updated the tiling parameters upon the object and so + * will need to serialise the write to the associated fence register? + */ + if (obj->fence_dirty) { + ret = i915_gem_object_wait_fence(obj); + if (ret) + return ret; + } + + /* Just update our place in the LRU if our fence is getting reused. */ + if (obj->fence_reg != I915_FENCE_REG_NONE) { + reg = &dev_priv->fence_regs[obj->fence_reg]; + if (!obj->fence_dirty) { + list_move_tail(®->lru_list, + &dev_priv->mm.fence_list); + return 0; + } + } else if (enable) { + if (WARN_ON(!obj->map_and_fenceable)) + return -EINVAL; + + reg = i915_find_fence_reg(dev); + if (IS_ERR(reg)) + return PTR_ERR(reg); + + if (reg->obj) { + struct drm_i915_gem_object *old = reg->obj; + + ret = i915_gem_object_wait_fence(old); + if (ret) + return ret; + + i915_gem_object_fence_lost(old); + } + } else + return 0; + + i915_gem_object_update_fence(obj, reg, enable); + + return 0; +} + +/** + * i915_gem_object_pin_fence - pin fencing state + * @obj: object to pin fencing for + * + * This pins the fencing state (whether tiled or untiled) to make sure the + * object is ready to be used as a scanout target. Fencing status must be + * synchronize first by calling i915_gem_object_get_fence(): + * + * The resulting fence pin reference must be released again with + * i915_gem_object_unpin_fence(). + * + * Returns: + * + * True if the object has a fence, false otherwise. + */ +bool +i915_gem_object_pin_fence(struct drm_i915_gem_object *obj) +{ + if (obj->fence_reg != I915_FENCE_REG_NONE) { + struct drm_i915_private *dev_priv = obj->base.dev->dev_private; + struct i915_vma *ggtt_vma = i915_gem_obj_to_ggtt(obj); + + WARN_ON(!ggtt_vma || + dev_priv->fence_regs[obj->fence_reg].pin_count > + ggtt_vma->pin_count); + dev_priv->fence_regs[obj->fence_reg].pin_count++; + return true; + } else + return false; +} + +/** + * i915_gem_object_unpin_fence - unpin fencing state + * @obj: object to unpin fencing for + * + * This releases the fence pin reference acquired through + * i915_gem_object_pin_fence. It will handle both objects with and without an + * attached fence correctly, callers do not need to distinguish this. + */ +void +i915_gem_object_unpin_fence(struct drm_i915_gem_object *obj) +{ + if (obj->fence_reg != I915_FENCE_REG_NONE) { + struct drm_i915_private *dev_priv = obj->base.dev->dev_private; + WARN_ON(dev_priv->fence_regs[obj->fence_reg].pin_count <= 0); + dev_priv->fence_regs[obj->fence_reg].pin_count--; + } +} + +/** + * i915_gem_restore_fences - restore fence state + * @dev: DRM device + * + * Restore the hw fence state to match the software tracking again, to be called + * after a gpu reset and on resume. + */ +void i915_gem_restore_fences(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + int i; + + for (i = 0; i < dev_priv->num_fence_regs; i++) { + struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i]; + + /* + * Commit delayed tiling changes if we have an object still + * attached to the fence, otherwise just clear the fence. + */ + if (reg->obj) { + i915_gem_object_update_fence(reg->obj, reg, + reg->obj->tiling_mode); + } else { + i915_gem_write_fence(dev, i, NULL); + } + } +} + +/** + * DOC: tiling swizzling details + * + * The idea behind tiling is to increase cache hit rates by rearranging + * pixel data so that a group of pixel accesses are in the same cacheline. + * Performance improvement from doing this on the back/depth buffer are on + * the order of 30%. + * + * Intel architectures make this somewhat more complicated, though, by + * adjustments made to addressing of data when the memory is in interleaved + * mode (matched pairs of DIMMS) to improve memory bandwidth. + * For interleaved memory, the CPU sends every sequential 64 bytes + * to an alternate memory channel so it can get the bandwidth from both. + * + * The GPU also rearranges its accesses for increased bandwidth to interleaved + * memory, and it matches what the CPU does for non-tiled. However, when tiled + * it does it a little differently, since one walks addresses not just in the + * X direction but also Y. So, along with alternating channels when bit + * 6 of the address flips, it also alternates when other bits flip -- Bits 9 + * (every 512 bytes, an X tile scanline) and 10 (every two X tile scanlines) + * are common to both the 915 and 965-class hardware. + * + * The CPU also sometimes XORs in higher bits as well, to improve + * bandwidth doing strided access like we do so frequently in graphics. This + * is called "Channel XOR Randomization" in the MCH documentation. The result + * is that the CPU is XORing in either bit 11 or bit 17 to bit 6 of its address + * decode. + * + * All of this bit 6 XORing has an effect on our memory management, + * as we need to make sure that the 3d driver can correctly address object + * contents. + * + * If we don't have interleaved memory, all tiling is safe and no swizzling is + * required. + * + * When bit 17 is XORed in, we simply refuse to tile at all. Bit + * 17 is not just a page offset, so as we page an objet out and back in, + * individual pages in it will have different bit 17 addresses, resulting in + * each 64 bytes being swapped with its neighbor! + * + * Otherwise, if interleaved, we have to tell the 3d driver what the address + * swizzling it needs to do is, since it's writing with the CPU to the pages + * (bit 6 and potentially bit 11 XORed in), and the GPU is reading from the + * pages (bit 6, 9, and 10 XORed in), resulting in a cumulative bit swizzling + * required by the CPU of XORing in bit 6, 9, 10, and potentially 11, in order + * to match what the GPU expects. + */ + +/** + * i915_gem_detect_bit_6_swizzle - detect bit 6 swizzling pattern + * @dev: DRM device + * + * Detects bit 6 swizzling of address lookup between IGD access and CPU + * access through main memory. + */ +void +i915_gem_detect_bit_6_swizzle(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + uint32_t swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN; + uint32_t swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN; + + if (INTEL_INFO(dev)->gen >= 8 || IS_VALLEYVIEW(dev)) { + /* + * On BDW+, swizzling is not used. We leave the CPU memory + * controller in charge of optimizing memory accesses without + * the extra address manipulation GPU side. + * + * VLV and CHV don't have GPU swizzling. + */ + swizzle_x = I915_BIT_6_SWIZZLE_NONE; + swizzle_y = I915_BIT_6_SWIZZLE_NONE; + } else if (INTEL_INFO(dev)->gen >= 6) { + if (dev_priv->preserve_bios_swizzle) { + if (I915_READ(DISP_ARB_CTL) & + DISP_TILE_SURFACE_SWIZZLING) { + swizzle_x = I915_BIT_6_SWIZZLE_9_10; + swizzle_y = I915_BIT_6_SWIZZLE_9; + } else { + swizzle_x = I915_BIT_6_SWIZZLE_NONE; + swizzle_y = I915_BIT_6_SWIZZLE_NONE; + } + } else { + uint32_t dimm_c0, dimm_c1; + dimm_c0 = I915_READ(MAD_DIMM_C0); + dimm_c1 = I915_READ(MAD_DIMM_C1); + dimm_c0 &= MAD_DIMM_A_SIZE_MASK | MAD_DIMM_B_SIZE_MASK; + dimm_c1 &= MAD_DIMM_A_SIZE_MASK | MAD_DIMM_B_SIZE_MASK; + /* Enable swizzling when the channels are populated + * with identically sized dimms. We don't need to check + * the 3rd channel because no cpu with gpu attached + * ships in that configuration. Also, swizzling only + * makes sense for 2 channels anyway. */ + if (dimm_c0 == dimm_c1) { + swizzle_x = I915_BIT_6_SWIZZLE_9_10; + swizzle_y = I915_BIT_6_SWIZZLE_9; + } else { + swizzle_x = I915_BIT_6_SWIZZLE_NONE; + swizzle_y = I915_BIT_6_SWIZZLE_NONE; + } + } + } else if (IS_GEN5(dev)) { + /* On Ironlake whatever DRAM config, GPU always do + * same swizzling setup. + */ + swizzle_x = I915_BIT_6_SWIZZLE_9_10; + swizzle_y = I915_BIT_6_SWIZZLE_9; + } else if (IS_GEN2(dev)) { + /* As far as we know, the 865 doesn't have these bit 6 + * swizzling issues. + */ + swizzle_x = I915_BIT_6_SWIZZLE_NONE; + swizzle_y = I915_BIT_6_SWIZZLE_NONE; + } else if (IS_MOBILE(dev) || (IS_GEN3(dev) && !IS_G33(dev))) { + uint32_t dcc; + + /* On 9xx chipsets, channel interleave by the CPU is + * determined by DCC. For single-channel, neither the CPU + * nor the GPU do swizzling. For dual channel interleaved, + * the GPU's interleave is bit 9 and 10 for X tiled, and bit + * 9 for Y tiled. The CPU's interleave is independent, and + * can be based on either bit 11 (haven't seen this yet) or + * bit 17 (common). + */ + dcc = I915_READ(DCC); + switch (dcc & DCC_ADDRESSING_MODE_MASK) { + case DCC_ADDRESSING_MODE_SINGLE_CHANNEL: + case DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC: + swizzle_x = I915_BIT_6_SWIZZLE_NONE; + swizzle_y = I915_BIT_6_SWIZZLE_NONE; + break; + case DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED: + if (dcc & DCC_CHANNEL_XOR_DISABLE) { + /* This is the base swizzling by the GPU for + * tiled buffers. + */ + swizzle_x = I915_BIT_6_SWIZZLE_9_10; + swizzle_y = I915_BIT_6_SWIZZLE_9; + } else if ((dcc & DCC_CHANNEL_XOR_BIT_17) == 0) { + /* Bit 11 swizzling by the CPU in addition. */ + swizzle_x = I915_BIT_6_SWIZZLE_9_10_11; + swizzle_y = I915_BIT_6_SWIZZLE_9_11; + } else { + /* Bit 17 swizzling by the CPU in addition. */ + swizzle_x = I915_BIT_6_SWIZZLE_9_10_17; + swizzle_y = I915_BIT_6_SWIZZLE_9_17; + } + break; + } + + /* check for L-shaped memory aka modified enhanced addressing */ + if (IS_GEN4(dev)) { + uint32_t ddc2 = I915_READ(DCC2); + + if (!(ddc2 & DCC2_MODIFIED_ENHANCED_DISABLE)) + dev_priv->quirks |= QUIRK_PIN_SWIZZLED_PAGES; + } + + if (dcc == 0xffffffff) { + DRM_ERROR("Couldn't read from MCHBAR. " + "Disabling tiling.\n"); + swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN; + swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN; + } + } else { + /* The 965, G33, and newer, have a very flexible memory + * configuration. It will enable dual-channel mode + * (interleaving) on as much memory as it can, and the GPU + * will additionally sometimes enable different bit 6 + * swizzling for tiled objects from the CPU. + * + * Here's what I found on the G965: + * slot fill memory size swizzling + * 0A 0B 1A 1B 1-ch 2-ch + * 512 0 0 0 512 0 O + * 512 0 512 0 16 1008 X + * 512 0 0 512 16 1008 X + * 0 512 0 512 16 1008 X + * 1024 1024 1024 0 2048 1024 O + * + * We could probably detect this based on either the DRB + * matching, which was the case for the swizzling required in + * the table above, or from the 1-ch value being less than + * the minimum size of a rank. + */ + if (I915_READ16(C0DRB3) != I915_READ16(C1DRB3)) { + swizzle_x = I915_BIT_6_SWIZZLE_NONE; + swizzle_y = I915_BIT_6_SWIZZLE_NONE; + } else { + swizzle_x = I915_BIT_6_SWIZZLE_9_10; + swizzle_y = I915_BIT_6_SWIZZLE_9; + } + } + + dev_priv->mm.bit_6_swizzle_x = swizzle_x; + dev_priv->mm.bit_6_swizzle_y = swizzle_y; +} + +/* + * Swap every 64 bytes of this page around, to account for it having a new + * bit 17 of its physical address and therefore being interpreted differently + * by the GPU. + */ +static void +i915_gem_swizzle_page(struct page *page) +{ + char temp[64]; + char *vaddr; + int i; + + vaddr = kmap(page); + + for (i = 0; i < PAGE_SIZE; i += 128) { + memcpy(temp, &vaddr[i], 64); + memcpy(&vaddr[i], &vaddr[i + 64], 64); + memcpy(&vaddr[i + 64], temp, 64); + } + + kunmap(page); +} + +/** + * i915_gem_object_do_bit_17_swizzle - fixup bit 17 swizzling + * @obj: i915 GEM buffer object + * + * This function fixes up the swizzling in case any page frame number for this + * object has changed in bit 17 since that state has been saved with + * i915_gem_object_save_bit_17_swizzle(). + * + * This is called when pinning backing storage again, since the kernel is free + * to move unpinned backing storage around (either by directly moving pages or + * by swapping them out and back in again). + */ +void +i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj) +{ + struct sg_page_iter sg_iter; + int i; + + if (obj->bit_17 == NULL) + return; + + i = 0; + for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) { + struct page *page = sg_page_iter_page(&sg_iter); + char new_bit_17 = page_to_phys(page) >> 17; + if ((new_bit_17 & 0x1) != + (test_bit(i, obj->bit_17) != 0)) { + i915_gem_swizzle_page(page); + set_page_dirty(page); + } + i++; + } +} + +/** + * i915_gem_object_save_bit_17_swizzle - save bit 17 swizzling + * @obj: i915 GEM buffer object + * + * This function saves the bit 17 of each page frame number so that swizzling + * can be fixed up later on with i915_gem_object_do_bit_17_swizzle(). This must + * be called before the backing storage can be unpinned. + */ +void +i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj) +{ + struct sg_page_iter sg_iter; + int page_count = obj->base.size >> PAGE_SHIFT; + int i; + + if (obj->bit_17 == NULL) { + obj->bit_17 = kcalloc(BITS_TO_LONGS(page_count), + sizeof(long), GFP_KERNEL); + if (obj->bit_17 == NULL) { + DRM_ERROR("Failed to allocate memory for bit 17 " + "record\n"); + return; + } + } + + i = 0; + for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) { + if (page_to_phys(sg_page_iter_page(&sg_iter)) & (1 << 17)) + __set_bit(i, obj->bit_17); + else + __clear_bit(i, obj->bit_17); + i++; + } +} diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/i915_gem_render_state.c index a0201fc..5026a62 100644 --- a/drivers/gpu/drm/i915/i915_gem_render_state.c +++ b/drivers/gpu/drm/i915/i915_gem_render_state.c @@ -73,6 +73,24 @@ free_gem: return ret; } +/* + * Macro to add commands to auxiliary batch. + * This macro only checks for page overflow before inserting the commands, + * this is sufficient as the null state generator makes the final batch + * with two passes to build command and state separately. At this point + * the size of both are known and it compacts them by relocating the state + * right after the commands taking care of aligment so we should sufficient + * space below them for adding new commands. + */ +#define OUT_BATCH(batch, i, val) \ + do { \ + if (WARN_ON((i) >= PAGE_SIZE / sizeof(u32))) { \ + ret = -ENOSPC; \ + goto err_out; \ + } \ + (batch)[(i)++] = (val); \ + } while(0) + static int render_state_setup(struct render_state *so) { const struct intel_renderstate_rodata *rodata = so->rodata; @@ -96,8 +114,10 @@ static int render_state_setup(struct render_state *so) s = lower_32_bits(r); if (so->gen >= 8) { if (i + 1 >= rodata->batch_items || - rodata->batch[i + 1] != 0) - return -EINVAL; + rodata->batch[i + 1] != 0) { + ret = -EINVAL; + goto err_out; + } d[i++] = s; s = upper_32_bits(r); @@ -108,6 +128,21 @@ static int render_state_setup(struct render_state *so) d[i++] = s; } + + while (i % CACHELINE_DWORDS) + OUT_BATCH(d, i, MI_NOOP); + + so->aux_batch_offset = i * sizeof(u32); + + OUT_BATCH(d, i, MI_BATCH_BUFFER_END); + so->aux_batch_size = (i * sizeof(u32)) - so->aux_batch_offset; + + /* + * Since we are sending length, we need to strictly conform to + * all requirements. For Gen2 this must be a multiple of 8. + */ + so->aux_batch_size = ALIGN(so->aux_batch_size, 8); + kunmap(page); ret = i915_gem_object_set_to_gtt_domain(so->obj, false); @@ -120,8 +155,14 @@ static int render_state_setup(struct render_state *so) } return 0; + +err_out: + kunmap(page); + return ret; } +#undef OUT_BATCH + void i915_gem_render_state_fini(struct render_state *so) { i915_gem_object_ggtt_unpin(so->obj); @@ -170,6 +211,16 @@ int i915_gem_render_state_init(struct drm_i915_gem_request *req) if (ret) goto out; + if (so.aux_batch_size > 8) { + ret = req->ring->dispatch_execbuffer(req, + (so.ggtt_offset + + so.aux_batch_offset), + so.aux_batch_size, + I915_DISPATCH_SECURE); + if (ret) + goto out; + } + i915_vma_move_to_active(i915_gem_obj_to_ggtt(so.obj), req); out: diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.h b/drivers/gpu/drm/i915/i915_gem_render_state.h index 7aa7372..e641bb0 100644 --- a/drivers/gpu/drm/i915/i915_gem_render_state.h +++ b/drivers/gpu/drm/i915/i915_gem_render_state.h @@ -37,6 +37,8 @@ struct render_state { struct drm_i915_gem_object *obj; u64 ggtt_offset; int gen; + u32 aux_batch_size; + u32 aux_batch_offset; }; int i915_gem_render_state_init(struct drm_i915_gem_request *req); diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index ed682a9..a36cb95 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -186,11 +186,103 @@ void i915_gem_cleanup_stolen(struct drm_device *dev) drm_mm_takedown(&dev_priv->mm.stolen); } +static void gen6_get_stolen_reserved(struct drm_i915_private *dev_priv, + unsigned long *base, unsigned long *size) +{ + uint32_t reg_val = I915_READ(GEN6_STOLEN_RESERVED); + + *base = reg_val & GEN6_STOLEN_RESERVED_ADDR_MASK; + + switch (reg_val & GEN6_STOLEN_RESERVED_SIZE_MASK) { + case GEN6_STOLEN_RESERVED_1M: + *size = 1024 * 1024; + break; + case GEN6_STOLEN_RESERVED_512K: + *size = 512 * 1024; + break; + case GEN6_STOLEN_RESERVED_256K: + *size = 256 * 1024; + break; + case GEN6_STOLEN_RESERVED_128K: + *size = 128 * 1024; + break; + default: + *size = 1024 * 1024; + MISSING_CASE(reg_val & GEN6_STOLEN_RESERVED_SIZE_MASK); + } +} + +static void gen7_get_stolen_reserved(struct drm_i915_private *dev_priv, + unsigned long *base, unsigned long *size) +{ + uint32_t reg_val = I915_READ(GEN6_STOLEN_RESERVED); + + *base = reg_val & GEN7_STOLEN_RESERVED_ADDR_MASK; + + switch (reg_val & GEN7_STOLEN_RESERVED_SIZE_MASK) { + case GEN7_STOLEN_RESERVED_1M: + *size = 1024 * 1024; + break; + case GEN7_STOLEN_RESERVED_256K: + *size = 256 * 1024; + break; + default: + *size = 1024 * 1024; + MISSING_CASE(reg_val & GEN7_STOLEN_RESERVED_SIZE_MASK); + } +} + +static void gen8_get_stolen_reserved(struct drm_i915_private *dev_priv, + unsigned long *base, unsigned long *size) +{ + uint32_t reg_val = I915_READ(GEN6_STOLEN_RESERVED); + + *base = reg_val & GEN6_STOLEN_RESERVED_ADDR_MASK; + + switch (reg_val & GEN8_STOLEN_RESERVED_SIZE_MASK) { + case GEN8_STOLEN_RESERVED_1M: + *size = 1024 * 1024; + break; + case GEN8_STOLEN_RESERVED_2M: + *size = 2 * 1024 * 1024; + break; + case GEN8_STOLEN_RESERVED_4M: + *size = 4 * 1024 * 1024; + break; + case GEN8_STOLEN_RESERVED_8M: + *size = 8 * 1024 * 1024; + break; + default: + *size = 8 * 1024 * 1024; + MISSING_CASE(reg_val & GEN8_STOLEN_RESERVED_SIZE_MASK); + } +} + +static void bdw_get_stolen_reserved(struct drm_i915_private *dev_priv, + unsigned long *base, unsigned long *size) +{ + uint32_t reg_val = I915_READ(GEN6_STOLEN_RESERVED); + unsigned long stolen_top; + + stolen_top = dev_priv->mm.stolen_base + dev_priv->gtt.stolen_size; + + *base = reg_val & GEN6_STOLEN_RESERVED_ADDR_MASK; + + /* On these platforms, the register doesn't have a size field, so the + * size is the distance between the base and the top of the stolen + * memory. We also have the genuine case where base is zero and there's + * nothing reserved. */ + if (*base == 0) + *size = 0; + else + *size = stolen_top - *base; +} + int i915_gem_init_stolen(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - u32 tmp; - int bios_reserved = 0; + unsigned long reserved_total, reserved_base, reserved_size; + unsigned long stolen_top; mutex_init(&dev_priv->mm.stolen_lock); @@ -208,26 +300,61 @@ int i915_gem_init_stolen(struct drm_device *dev) if (dev_priv->mm.stolen_base == 0) return 0; - DRM_DEBUG_KMS("found %zd bytes of stolen memory at %08lx\n", - dev_priv->gtt.stolen_size, dev_priv->mm.stolen_base); - - if (INTEL_INFO(dev)->gen >= 8) { - tmp = I915_READ(GEN7_BIOS_RESERVED); - tmp >>= GEN8_BIOS_RESERVED_SHIFT; - tmp &= GEN8_BIOS_RESERVED_MASK; - bios_reserved = (1024*1024) << tmp; - } else if (IS_GEN7(dev)) { - tmp = I915_READ(GEN7_BIOS_RESERVED); - bios_reserved = tmp & GEN7_BIOS_RESERVED_256K ? - 256*1024 : 1024*1024; + stolen_top = dev_priv->mm.stolen_base + dev_priv->gtt.stolen_size; + + switch (INTEL_INFO(dev_priv)->gen) { + case 2: + case 3: + case 4: + case 5: + /* Assume the gen6 maximum for the older platforms. */ + reserved_size = 1024 * 1024; + reserved_base = stolen_top - reserved_size; + break; + case 6: + gen6_get_stolen_reserved(dev_priv, &reserved_base, + &reserved_size); + break; + case 7: + gen7_get_stolen_reserved(dev_priv, &reserved_base, + &reserved_size); + break; + default: + if (IS_BROADWELL(dev_priv) || IS_SKYLAKE(dev_priv)) + bdw_get_stolen_reserved(dev_priv, &reserved_base, + &reserved_size); + else + gen8_get_stolen_reserved(dev_priv, &reserved_base, + &reserved_size); + break; + } + + /* It is possible for the reserved base to be zero, but the register + * field for size doesn't have a zero option. */ + if (reserved_base == 0) { + reserved_size = 0; + reserved_base = stolen_top; } - if (WARN_ON(bios_reserved > dev_priv->gtt.stolen_size)) + if (reserved_base < dev_priv->mm.stolen_base || + reserved_base + reserved_size > stolen_top) { + DRM_DEBUG_KMS("Stolen reserved area [0x%08lx - 0x%08lx] outside stolen memory [0x%08lx - 0x%08lx]\n", + reserved_base, reserved_base + reserved_size, + dev_priv->mm.stolen_base, stolen_top); return 0; + } + + /* It is possible for the reserved area to end before the end of stolen + * memory, so just consider the start. */ + reserved_total = stolen_top - reserved_base; + + DRM_DEBUG_KMS("Memory reserved for graphics device: %luK, usable: %luK\n", + dev_priv->gtt.stolen_size >> 10, + (dev_priv->gtt.stolen_size - reserved_total) >> 10); /* Basic memrange allocator for stolen space */ drm_mm_init(&dev_priv->mm.stolen, 0, dev_priv->gtt.stolen_size - - bios_reserved); + reserved_total); return 0; } diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index d19c9db..8a6717c 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -31,201 +31,32 @@ #include <drm/i915_drm.h> #include "i915_drv.h" -/** @file i915_gem_tiling.c - * - * Support for managing tiling state of buffer objects. - * - * The idea behind tiling is to increase cache hit rates by rearranging - * pixel data so that a group of pixel accesses are in the same cacheline. - * Performance improvement from doing this on the back/depth buffer are on - * the order of 30%. - * - * Intel architectures make this somewhat more complicated, though, by - * adjustments made to addressing of data when the memory is in interleaved - * mode (matched pairs of DIMMS) to improve memory bandwidth. - * For interleaved memory, the CPU sends every sequential 64 bytes - * to an alternate memory channel so it can get the bandwidth from both. - * - * The GPU also rearranges its accesses for increased bandwidth to interleaved - * memory, and it matches what the CPU does for non-tiled. However, when tiled - * it does it a little differently, since one walks addresses not just in the - * X direction but also Y. So, along with alternating channels when bit - * 6 of the address flips, it also alternates when other bits flip -- Bits 9 - * (every 512 bytes, an X tile scanline) and 10 (every two X tile scanlines) - * are common to both the 915 and 965-class hardware. - * - * The CPU also sometimes XORs in higher bits as well, to improve - * bandwidth doing strided access like we do so frequently in graphics. This - * is called "Channel XOR Randomization" in the MCH documentation. The result - * is that the CPU is XORing in either bit 11 or bit 17 to bit 6 of its address - * decode. +/** + * DOC: buffer object tiling * - * All of this bit 6 XORing has an effect on our memory management, - * as we need to make sure that the 3d driver can correctly address object - * contents. + * i915_gem_set_tiling() and i915_gem_get_tiling() is the userspace interface to + * declare fence register requirements. * - * If we don't have interleaved memory, all tiling is safe and no swizzling is - * required. + * In principle GEM doesn't care at all about the internal data layout of an + * object, and hence it also doesn't care about tiling or swizzling. There's two + * exceptions: * - * When bit 17 is XORed in, we simply refuse to tile at all. Bit - * 17 is not just a page offset, so as we page an objet out and back in, - * individual pages in it will have different bit 17 addresses, resulting in - * each 64 bytes being swapped with its neighbor! + * - For X and Y tiling the hardware provides detilers for CPU access, so called + * fences. Since there's only a limited amount of them the kernel must manage + * these, and therefore userspace must tell the kernel the object tiling if it + * wants to use fences for detiling. + * - On gen3 and gen4 platforms have a swizzling pattern for tiled objects which + * depends upon the physical page frame number. When swapping such objects the + * page frame number might change and the kernel must be able to fix this up + * and hence now the tiling. Note that on a subset of platforms with + * asymmetric memory channel population the swizzling pattern changes in an + * unknown way, and for those the kernel simply forbids swapping completely. * - * Otherwise, if interleaved, we have to tell the 3d driver what the address - * swizzling it needs to do is, since it's writing with the CPU to the pages - * (bit 6 and potentially bit 11 XORed in), and the GPU is reading from the - * pages (bit 6, 9, and 10 XORed in), resulting in a cumulative bit swizzling - * required by the CPU of XORing in bit 6, 9, 10, and potentially 11, in order - * to match what the GPU expects. - */ - -/** - * Detects bit 6 swizzling of address lookup between IGD access and CPU - * access through main memory. + * Since neither of this applies for new tiling layouts on modern platforms like + * W, Ys and Yf tiling GEM only allows object tiling to be set to X or Y tiled. + * Anything else can be handled in userspace entirely without the kernel's + * invovlement. */ -void -i915_gem_detect_bit_6_swizzle(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - uint32_t swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN; - uint32_t swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN; - - if (INTEL_INFO(dev)->gen >= 8 || IS_VALLEYVIEW(dev)) { - /* - * On BDW+, swizzling is not used. We leave the CPU memory - * controller in charge of optimizing memory accesses without - * the extra address manipulation GPU side. - * - * VLV and CHV don't have GPU swizzling. - */ - swizzle_x = I915_BIT_6_SWIZZLE_NONE; - swizzle_y = I915_BIT_6_SWIZZLE_NONE; - } else if (INTEL_INFO(dev)->gen >= 6) { - if (dev_priv->preserve_bios_swizzle) { - if (I915_READ(DISP_ARB_CTL) & - DISP_TILE_SURFACE_SWIZZLING) { - swizzle_x = I915_BIT_6_SWIZZLE_9_10; - swizzle_y = I915_BIT_6_SWIZZLE_9; - } else { - swizzle_x = I915_BIT_6_SWIZZLE_NONE; - swizzle_y = I915_BIT_6_SWIZZLE_NONE; - } - } else { - uint32_t dimm_c0, dimm_c1; - dimm_c0 = I915_READ(MAD_DIMM_C0); - dimm_c1 = I915_READ(MAD_DIMM_C1); - dimm_c0 &= MAD_DIMM_A_SIZE_MASK | MAD_DIMM_B_SIZE_MASK; - dimm_c1 &= MAD_DIMM_A_SIZE_MASK | MAD_DIMM_B_SIZE_MASK; - /* Enable swizzling when the channels are populated - * with identically sized dimms. We don't need to check - * the 3rd channel because no cpu with gpu attached - * ships in that configuration. Also, swizzling only - * makes sense for 2 channels anyway. */ - if (dimm_c0 == dimm_c1) { - swizzle_x = I915_BIT_6_SWIZZLE_9_10; - swizzle_y = I915_BIT_6_SWIZZLE_9; - } else { - swizzle_x = I915_BIT_6_SWIZZLE_NONE; - swizzle_y = I915_BIT_6_SWIZZLE_NONE; - } - } - } else if (IS_GEN5(dev)) { - /* On Ironlake whatever DRAM config, GPU always do - * same swizzling setup. - */ - swizzle_x = I915_BIT_6_SWIZZLE_9_10; - swizzle_y = I915_BIT_6_SWIZZLE_9; - } else if (IS_GEN2(dev)) { - /* As far as we know, the 865 doesn't have these bit 6 - * swizzling issues. - */ - swizzle_x = I915_BIT_6_SWIZZLE_NONE; - swizzle_y = I915_BIT_6_SWIZZLE_NONE; - } else if (IS_MOBILE(dev) || (IS_GEN3(dev) && !IS_G33(dev))) { - uint32_t dcc; - - /* On 9xx chipsets, channel interleave by the CPU is - * determined by DCC. For single-channel, neither the CPU - * nor the GPU do swizzling. For dual channel interleaved, - * the GPU's interleave is bit 9 and 10 for X tiled, and bit - * 9 for Y tiled. The CPU's interleave is independent, and - * can be based on either bit 11 (haven't seen this yet) or - * bit 17 (common). - */ - dcc = I915_READ(DCC); - switch (dcc & DCC_ADDRESSING_MODE_MASK) { - case DCC_ADDRESSING_MODE_SINGLE_CHANNEL: - case DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC: - swizzle_x = I915_BIT_6_SWIZZLE_NONE; - swizzle_y = I915_BIT_6_SWIZZLE_NONE; - break; - case DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED: - if (dcc & DCC_CHANNEL_XOR_DISABLE) { - /* This is the base swizzling by the GPU for - * tiled buffers. - */ - swizzle_x = I915_BIT_6_SWIZZLE_9_10; - swizzle_y = I915_BIT_6_SWIZZLE_9; - } else if ((dcc & DCC_CHANNEL_XOR_BIT_17) == 0) { - /* Bit 11 swizzling by the CPU in addition. */ - swizzle_x = I915_BIT_6_SWIZZLE_9_10_11; - swizzle_y = I915_BIT_6_SWIZZLE_9_11; - } else { - /* Bit 17 swizzling by the CPU in addition. */ - swizzle_x = I915_BIT_6_SWIZZLE_9_10_17; - swizzle_y = I915_BIT_6_SWIZZLE_9_17; - } - break; - } - - /* check for L-shaped memory aka modified enhanced addressing */ - if (IS_GEN4(dev)) { - uint32_t ddc2 = I915_READ(DCC2); - - if (!(ddc2 & DCC2_MODIFIED_ENHANCED_DISABLE)) - dev_priv->quirks |= QUIRK_PIN_SWIZZLED_PAGES; - } - - if (dcc == 0xffffffff) { - DRM_ERROR("Couldn't read from MCHBAR. " - "Disabling tiling.\n"); - swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN; - swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN; - } - } else { - /* The 965, G33, and newer, have a very flexible memory - * configuration. It will enable dual-channel mode - * (interleaving) on as much memory as it can, and the GPU - * will additionally sometimes enable different bit 6 - * swizzling for tiled objects from the CPU. - * - * Here's what I found on the G965: - * slot fill memory size swizzling - * 0A 0B 1A 1B 1-ch 2-ch - * 512 0 0 0 512 0 O - * 512 0 512 0 16 1008 X - * 512 0 0 512 16 1008 X - * 0 512 0 512 16 1008 X - * 1024 1024 1024 0 2048 1024 O - * - * We could probably detect this based on either the DRB - * matching, which was the case for the swizzling required in - * the table above, or from the 1-ch value being less than - * the minimum size of a rank. - */ - if (I915_READ16(C0DRB3) != I915_READ16(C1DRB3)) { - swizzle_x = I915_BIT_6_SWIZZLE_NONE; - swizzle_y = I915_BIT_6_SWIZZLE_NONE; - } else { - swizzle_x = I915_BIT_6_SWIZZLE_9_10; - swizzle_y = I915_BIT_6_SWIZZLE_9; - } - } - - dev_priv->mm.bit_6_swizzle_x = swizzle_x; - dev_priv->mm.bit_6_swizzle_y = swizzle_y; -} /* Check pitch constriants for all chips & tiling formats */ static bool @@ -313,8 +144,18 @@ i915_gem_object_fence_ok(struct drm_i915_gem_object *obj, int tiling_mode) } /** + * i915_gem_set_tiling - IOCTL handler to set tiling mode + * @dev: DRM device + * @data: data pointer for the ioctl + * @file: DRM file for the ioctl call + * * Sets the tiling mode of an object, returning the required swizzling of * bit 6 of addresses in the object. + * + * Called by the user via ioctl. + * + * Returns: + * Zero on success, negative errno on failure. */ int i915_gem_set_tiling(struct drm_device *dev, void *data, @@ -432,7 +273,17 @@ err: } /** + * i915_gem_get_tiling - IOCTL handler to get tiling mode + * @dev: DRM device + * @data: data pointer for the ioctl + * @file: DRM file for the ioctl call + * * Returns the current tiling mode and required bit 6 swizzling for the object. + * + * Called by the user via ioctl. + * + * Returns: + * Zero on success, negative errno on failure. */ int i915_gem_get_tiling(struct drm_device *dev, void *data, @@ -478,75 +329,3 @@ i915_gem_get_tiling(struct drm_device *dev, void *data, return 0; } - -/** - * Swap every 64 bytes of this page around, to account for it having a new - * bit 17 of its physical address and therefore being interpreted differently - * by the GPU. - */ -static void -i915_gem_swizzle_page(struct page *page) -{ - char temp[64]; - char *vaddr; - int i; - - vaddr = kmap(page); - - for (i = 0; i < PAGE_SIZE; i += 128) { - memcpy(temp, &vaddr[i], 64); - memcpy(&vaddr[i], &vaddr[i + 64], 64); - memcpy(&vaddr[i + 64], temp, 64); - } - - kunmap(page); -} - -void -i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj) -{ - struct sg_page_iter sg_iter; - int i; - - if (obj->bit_17 == NULL) - return; - - i = 0; - for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) { - struct page *page = sg_page_iter_page(&sg_iter); - char new_bit_17 = page_to_phys(page) >> 17; - if ((new_bit_17 & 0x1) != - (test_bit(i, obj->bit_17) != 0)) { - i915_gem_swizzle_page(page); - set_page_dirty(page); - } - i++; - } -} - -void -i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj) -{ - struct sg_page_iter sg_iter; - int page_count = obj->base.size >> PAGE_SHIFT; - int i; - - if (obj->bit_17 == NULL) { - obj->bit_17 = kcalloc(BITS_TO_LONGS(page_count), - sizeof(long), GFP_KERNEL); - if (obj->bit_17 == NULL) { - DRM_ERROR("Failed to allocate memory for bit 17 " - "record\n"); - return; - } - } - - i = 0; - for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) { - if (page_to_phys(sg_page_iter_page(&sg_iter)) & (1 << 17)) - __set_bit(i, obj->bit_17); - else - __clear_bit(i, obj->bit_17); - i++; - } -} diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 6f42569..41d0739 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -369,6 +369,7 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m, err_printf(m, "Reset count: %u\n", error->reset_count); err_printf(m, "Suspend count: %u\n", error->suspend_count); err_printf(m, "PCI ID: 0x%04x\n", dev->pdev->device); + err_printf(m, "IOMMU enabled?: %d\n", error->iommu); err_printf(m, "EIR: 0x%08x\n", error->eir); err_printf(m, "IER: 0x%08x\n", error->ier); if (INTEL_INFO(dev)->gen >= 8) { @@ -1266,6 +1267,10 @@ static void i915_error_capture_msg(struct drm_device *dev, static void i915_capture_gen_state(struct drm_i915_private *dev_priv, struct drm_i915_error_state *error) { + error->iommu = -1; +#ifdef CONFIG_INTEL_IOMMU + error->iommu = intel_iommu_gfx_mapped; +#endif error->reset_count = i915_reset_count(&dev_priv->gpu_error); error->suspend_count = dev_priv->suspend_count; } diff --git a/drivers/gpu/drm/i915/i915_guc_reg.h b/drivers/gpu/drm/i915/i915_guc_reg.h new file mode 100644 index 0000000..ccdc6c8 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_guc_reg.h @@ -0,0 +1,102 @@ +/* + * Copyright © 2014 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ +#ifndef _I915_GUC_REG_H_ +#define _I915_GUC_REG_H_ + +/* Definitions of GuC H/W registers, bits, etc */ + +#define GUC_STATUS 0xc000 +#define GS_BOOTROM_SHIFT 1 +#define GS_BOOTROM_MASK (0x7F << GS_BOOTROM_SHIFT) +#define GS_BOOTROM_RSA_FAILED (0x50 << GS_BOOTROM_SHIFT) +#define GS_UKERNEL_SHIFT 8 +#define GS_UKERNEL_MASK (0xFF << GS_UKERNEL_SHIFT) +#define GS_UKERNEL_LAPIC_DONE (0x30 << GS_UKERNEL_SHIFT) +#define GS_UKERNEL_DPC_ERROR (0x60 << GS_UKERNEL_SHIFT) +#define GS_UKERNEL_READY (0xF0 << GS_UKERNEL_SHIFT) +#define GS_MIA_SHIFT 16 +#define GS_MIA_MASK (0x07 << GS_MIA_SHIFT) + +#define GUC_WOPCM_SIZE 0xc050 +#define GUC_WOPCM_SIZE_VALUE (0x80 << 12) /* 512KB */ +#define GUC_WOPCM_OFFSET 0x80000 /* 512KB */ + +#define SOFT_SCRATCH(n) (0xc180 + ((n) * 4)) + +#define UOS_RSA_SCRATCH_0 0xc200 +#define DMA_ADDR_0_LOW 0xc300 +#define DMA_ADDR_0_HIGH 0xc304 +#define DMA_ADDR_1_LOW 0xc308 +#define DMA_ADDR_1_HIGH 0xc30c +#define DMA_ADDRESS_SPACE_WOPCM (7 << 16) +#define DMA_ADDRESS_SPACE_GTT (8 << 16) +#define DMA_COPY_SIZE 0xc310 +#define DMA_CTRL 0xc314 +#define UOS_MOVE (1<<4) +#define START_DMA (1<<0) +#define DMA_GUC_WOPCM_OFFSET 0xc340 + +#define GEN8_GT_PM_CONFIG 0x138140 +#define GEN9_GT_PM_CONFIG 0x13816c +#define GEN8_GT_DOORBELL_ENABLE (1<<0) + +#define GEN8_GTCR 0x4274 +#define GEN8_GTCR_INVALIDATE (1<<0) + +#define GUC_ARAT_C6DIS 0xA178 + +#define GUC_SHIM_CONTROL 0xc064 +#define GUC_DISABLE_SRAM_INIT_TO_ZEROES (1<<0) +#define GUC_ENABLE_READ_CACHE_LOGIC (1<<1) +#define GUC_ENABLE_MIA_CACHING (1<<2) +#define GUC_GEN10_MSGCH_ENABLE (1<<4) +#define GUC_ENABLE_READ_CACHE_FOR_SRAM_DATA (1<<9) +#define GUC_ENABLE_READ_CACHE_FOR_WOPCM_DATA (1<<10) +#define GUC_ENABLE_MIA_CLOCK_GATING (1<<15) +#define GUC_GEN10_SHIM_WC_ENABLE (1<<21) + +#define GUC_SHIM_CONTROL_VALUE (GUC_DISABLE_SRAM_INIT_TO_ZEROES | \ + GUC_ENABLE_READ_CACHE_LOGIC | \ + GUC_ENABLE_MIA_CACHING | \ + GUC_ENABLE_READ_CACHE_FOR_SRAM_DATA | \ + GUC_ENABLE_READ_CACHE_FOR_WOPCM_DATA) + +#define HOST2GUC_INTERRUPT 0xc4c8 +#define HOST2GUC_TRIGGER (1<<0) + +#define DRBMISC1 0x1984 +#define DOORBELL_ENABLE (1<<0) + +#define GEN8_DRBREGL(x) (0x1000 + (x) * 8) +#define GEN8_DRB_VALID (1<<0) +#define GEN8_DRBREGU(x) (GEN8_DRBREGL(x) + 4) + +#define DE_GUCRMR 0x44054 + +#define GUC_BCS_RCS_IER 0xC550 +#define GUC_VCS2_VCS1_IER 0xC554 +#define GUC_WD_VECS_IER 0xC558 +#define GUC_PM_P24C_IER 0xC55C + +#endif diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index d87f173..1118c392 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1227,6 +1227,22 @@ static irqreturn_t gen8_gt_irq_handler(struct drm_i915_private *dev_priv, return ret; } +static bool bxt_port_hotplug_long_detect(enum port port, u32 val) +{ + switch (port) { + case PORT_A: + return val & BXT_PORTA_HOTPLUG_LONG_DETECT; + case PORT_B: + return val & PORTB_HOTPLUG_LONG_DETECT; + case PORT_C: + return val & PORTC_HOTPLUG_LONG_DETECT; + case PORT_D: + return val & PORTD_HOTPLUG_LONG_DETECT; + default: + return false; + } +} + static bool pch_port_hotplug_long_detect(enum port port, u32 val) { switch (port) { @@ -1256,9 +1272,10 @@ static bool i9xx_port_hotplug_long_detect(enum port port, u32 val) } /* Get a bit mask of pins that have triggered, and which ones may be long. */ -static void pch_get_hpd_pins(u32 *pin_mask, u32 *long_mask, +static void intel_get_hpd_pins(u32 *pin_mask, u32 *long_mask, u32 hotplug_trigger, u32 dig_hotplug_reg, - const u32 hpd[HPD_NUM_PINS]) + const u32 hpd[HPD_NUM_PINS], + bool long_pulse_detect(enum port port, u32 val)) { enum port port; int i; @@ -1272,8 +1289,10 @@ static void pch_get_hpd_pins(u32 *pin_mask, u32 *long_mask, *pin_mask |= BIT(i); - port = intel_hpd_pin_to_port(i); - if (pch_port_hotplug_long_detect(port, dig_hotplug_reg)) + if (!intel_hpd_pin_to_port(i, &port)) + continue; + + if (long_pulse_detect(port, dig_hotplug_reg)) *long_mask |= BIT(i); } @@ -1282,34 +1301,6 @@ static void pch_get_hpd_pins(u32 *pin_mask, u32 *long_mask, } -/* Get a bit mask of pins that have triggered, and which ones may be long. */ -static void i9xx_get_hpd_pins(u32 *pin_mask, u32 *long_mask, - u32 hotplug_trigger, const u32 hpd[HPD_NUM_PINS]) -{ - enum port port; - int i; - - *pin_mask = 0; - *long_mask = 0; - - if (!hotplug_trigger) - return; - - for_each_hpd_pin(i) { - if ((hpd[i] & hotplug_trigger) == 0) - continue; - - *pin_mask |= BIT(i); - - port = intel_hpd_pin_to_port(i); - if (i9xx_port_hotplug_long_detect(port, hotplug_trigger)) - *long_mask |= BIT(i); - } - - DRM_DEBUG_DRIVER("hotplug event received, stat 0x%08x, pins 0x%08x\n", - hotplug_trigger, *pin_mask); -} - static void gmbus_irq_handler(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -1547,7 +1538,9 @@ static void i9xx_hpd_irq_handler(struct drm_device *dev) if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_G4X; - i9xx_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, hpd_status_g4x); + intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, + hotplug_trigger, hpd_status_g4x, + i9xx_port_hotplug_long_detect); intel_hpd_irq_handler(dev, pin_mask, long_mask); if (hotplug_status & DP_AUX_CHANNEL_MASK_INT_STATUS_G4X) @@ -1555,7 +1548,9 @@ static void i9xx_hpd_irq_handler(struct drm_device *dev) } else { u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_I915; - i9xx_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, hpd_status_i915); + intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, + hotplug_trigger, hpd_status_g4x, + i9xx_port_hotplug_long_detect); intel_hpd_irq_handler(dev, pin_mask, long_mask); } } @@ -1662,8 +1657,9 @@ static void ibx_irq_handler(struct drm_device *dev, u32 pch_iir) dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG); I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg); - pch_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, - dig_hotplug_reg, hpd_ibx); + intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, + dig_hotplug_reg, hpd_ibx, + pch_port_hotplug_long_detect); intel_hpd_irq_handler(dev, pin_mask, long_mask); } @@ -1763,8 +1759,10 @@ static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir) dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG); I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg); - pch_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, - dig_hotplug_reg, hpd_cpt); + + intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, + dig_hotplug_reg, hpd_cpt, + pch_port_hotplug_long_detect); intel_hpd_irq_handler(dev, pin_mask, long_mask); } @@ -1981,7 +1979,8 @@ static void bxt_hpd_handler(struct drm_device *dev, uint32_t iir_status) /* Clear sticky bits in hpd status */ I915_WRITE(BXT_HOTPLUG_CTL, hp_control); - pch_get_hpd_pins(&pin_mask, &long_mask, hp_trigger, hp_control, hpd_bxt); + intel_get_hpd_pins(&pin_mask, &long_mask, hp_trigger, hp_control, + hpd_bxt, bxt_port_hotplug_long_detect); intel_hpd_irq_handler(dev, pin_mask, long_mask); } diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c index 5f4e729..5ae4b0a 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c @@ -52,6 +52,8 @@ struct i915_params i915 __read_mostly = { .mmio_debug = 0, .verbose_state_checks = 1, .edp_vswing = 0, + .enable_guc_submission = false, + .guc_log_level = -1, }; module_param_named(modeset, i915.modeset, int, 0400); @@ -181,3 +183,10 @@ MODULE_PARM_DESC(edp_vswing, "Ignore/Override vswing pre-emph table selection from VBT " "(0=use value from vbt [default], 1=low power swing(200mV)," "2=default swing(400mV))"); + +module_param_named_unsafe(enable_guc_submission, i915.enable_guc_submission, bool, 0400); +MODULE_PARM_DESC(enable_guc_submission, "Enable GuC submission (default:false)"); + +module_param_named(guc_log_level, i915.guc_log_level, int, 0400); +MODULE_PARM_DESC(guc_log_level, + "GuC firmware logging level (-1:disabled (default), 0-3:enabled)"); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index e9a95df..8e46c34 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -178,13 +178,22 @@ #define GAB_CTL 0x24000 #define GAB_CTL_CONT_AFTER_PAGEFAULT (1<<8) -#define GEN7_BIOS_RESERVED 0x1082C0 -#define GEN7_BIOS_RESERVED_1M (0 << 5) -#define GEN7_BIOS_RESERVED_256K (1 << 5) -#define GEN8_BIOS_RESERVED_SHIFT 7 -#define GEN7_BIOS_RESERVED_MASK 0x1 -#define GEN8_BIOS_RESERVED_MASK 0x3 - +#define GEN6_STOLEN_RESERVED 0x1082C0 +#define GEN6_STOLEN_RESERVED_ADDR_MASK (0xFFF << 20) +#define GEN7_STOLEN_RESERVED_ADDR_MASK (0x3FFF << 18) +#define GEN6_STOLEN_RESERVED_SIZE_MASK (3 << 4) +#define GEN6_STOLEN_RESERVED_1M (0 << 4) +#define GEN6_STOLEN_RESERVED_512K (1 << 4) +#define GEN6_STOLEN_RESERVED_256K (2 << 4) +#define GEN6_STOLEN_RESERVED_128K (3 << 4) +#define GEN7_STOLEN_RESERVED_SIZE_MASK (1 << 5) +#define GEN7_STOLEN_RESERVED_1M (0 << 5) +#define GEN7_STOLEN_RESERVED_256K (1 << 5) +#define GEN8_STOLEN_RESERVED_SIZE_MASK (3 << 7) +#define GEN8_STOLEN_RESERVED_1M (0 << 7) +#define GEN8_STOLEN_RESERVED_2M (1 << 7) +#define GEN8_STOLEN_RESERVED_4M (2 << 7) +#define GEN8_STOLEN_RESERVED_8M (3 << 7) /* VGA stuff */ @@ -5985,6 +5994,11 @@ enum skl_disp_power_wells { /* digital port hotplug */ #define PCH_PORT_HOTPLUG 0xc4030 /* SHOTPLUG_CTL */ +#define BXT_PORTA_HOTPLUG_ENABLE (1 << 28) +#define BXT_PORTA_HOTPLUG_STATUS_MASK (0x3 << 24) +#define BXT_PORTA_HOTPLUG_NO_DETECT (0 << 24) +#define BXT_PORTA_HOTPLUG_SHORT_DETECT (1 << 24) +#define BXT_PORTA_HOTPLUG_LONG_DETECT (2 << 24) #define PORTD_HOTPLUG_ENABLE (1 << 20) #define PORTD_PULSE_DURATION_2ms (0) #define PORTD_PULSE_DURATION_4_5ms (1 << 18) @@ -6846,6 +6860,9 @@ enum skl_disp_power_wells { #define GEN7_MISCCPCTL (0x9424) #define GEN7_DOP_CLOCK_GATE_ENABLE (1<<0) +#define GEN8_GARBCNTL 0xB004 +#define GEN9_GAPS_TSV_CREDIT_DISABLE (1<<7) + /* IVYBRIDGE DPF */ #define GEN7_L3CDERRST1 0xB008 /* L3CD Error Status 1 */ #define HSW_L3CDERRST11 0xB208 /* L3CD Error Status register 1 slice 1 */ diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 31b1079..8e46149 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -886,6 +886,17 @@ err: memset(dev_priv->vbt.dsi.sequence, 0, sizeof(dev_priv->vbt.dsi.sequence)); } +static u8 translate_iboost(u8 val) +{ + static const u8 mapping[] = { 1, 3, 7 }; /* See VBT spec */ + + if (val >= ARRAY_SIZE(mapping)) { + DRM_DEBUG_KMS("Unsupported I_boost value found in VBT (%d), display may not work properly\n", val); + return 0; + } + return mapping[val]; +} + static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, const struct bdb_header *bdb) { @@ -968,13 +979,28 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, } if (is_dp) { - if (aux_channel == 0x40 && port != PORT_A) + if (port == PORT_E) { + info->alternate_aux_channel = aux_channel; + /* if DDIE share aux channel with other port, then + * DP couldn't exist on the shared port. Otherwise + * they share the same aux channel and system + * couldn't communicate with them seperately. */ + if (aux_channel == DP_AUX_A) + dev_priv->vbt.ddi_port_info[PORT_A].supports_dp = 0; + else if (aux_channel == DP_AUX_B) + dev_priv->vbt.ddi_port_info[PORT_B].supports_dp = 0; + else if (aux_channel == DP_AUX_C) + dev_priv->vbt.ddi_port_info[PORT_C].supports_dp = 0; + else if (aux_channel == DP_AUX_D) + dev_priv->vbt.ddi_port_info[PORT_D].supports_dp = 0; + } + else if (aux_channel == DP_AUX_A && port != PORT_A) DRM_DEBUG_KMS("Unexpected AUX channel for port A\n"); - if (aux_channel == 0x10 && port != PORT_B) + else if (aux_channel == DP_AUX_B && port != PORT_B) DRM_DEBUG_KMS("Unexpected AUX channel for port B\n"); - if (aux_channel == 0x20 && port != PORT_C) + else if (aux_channel == DP_AUX_C && port != PORT_C) DRM_DEBUG_KMS("Unexpected AUX channel for port C\n"); - if (aux_channel == 0x30 && port != PORT_D) + else if (aux_channel == DP_AUX_D && port != PORT_D) DRM_DEBUG_KMS("Unexpected AUX channel for port D\n"); } @@ -986,6 +1012,16 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, hdmi_level_shift); info->hdmi_level_shift = hdmi_level_shift; } + + /* Parse the I_boost config for SKL and above */ + if (bdb->version >= 196 && (child->common.flags_1 & IBOOST_ENABLE)) { + info->dp_boost_level = translate_iboost(child->common.iboost_level & 0xF); + DRM_DEBUG_KMS("VBT (e)DP boost level for port %c: %d\n", + port_name(port), info->dp_boost_level); + info->hdmi_boost_level = translate_iboost(child->common.iboost_level >> 4); + DRM_DEBUG_KMS("VBT HDMI boost level for port %c: %d\n", + port_name(port), info->hdmi_boost_level); + } } static void parse_ddi_ports(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h index f7ad6a5..6d909ef 100644 --- a/drivers/gpu/drm/i915/intel_bios.h +++ b/drivers/gpu/drm/i915/intel_bios.h @@ -231,6 +231,10 @@ struct old_child_dev_config { /* This one contains field offsets that are known to be common for all BDB * versions. Notice that the meaning of the contents contents may still change, * but at least the offsets are consistent. */ + +/* Definitions for flags_1 */ +#define IBOOST_ENABLE (1<<3) + struct common_child_dev_config { u16 handle; u16 device_type; @@ -239,8 +243,13 @@ struct common_child_dev_config { u8 not_common2[2]; u8 ddc_pin; u16 edid_ptr; + u8 obsolete; + u8 flags_1; + u8 not_common3[13]; + u8 iboost_level; } __packed; + /* This field changes depending on the BDB version, so the most reliable way to * read it is by checking the BDB version and reading the raw pointer. */ union child_device_config { diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 5d78c1f..af5e43b 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -236,55 +236,6 @@ static void intel_enable_crt(struct intel_encoder *encoder) intel_crt_set_dpms(encoder, crt->connector->base.dpms); } -/* Special dpms function to support cloning between dvo/sdvo/crt. */ -static int intel_crt_dpms(struct drm_connector *connector, int mode) -{ - struct drm_device *dev = connector->dev; - struct intel_encoder *encoder = intel_attached_encoder(connector); - struct drm_crtc *crtc; - int old_dpms; - - /* PCH platforms and VLV only support on/off. */ - if (INTEL_INFO(dev)->gen >= 5 && mode != DRM_MODE_DPMS_ON) - mode = DRM_MODE_DPMS_OFF; - - if (mode == connector->dpms) - return 0; - - old_dpms = connector->dpms; - connector->dpms = mode; - - /* Only need to change hw state when actually enabled */ - crtc = encoder->base.crtc; - if (!crtc) { - encoder->connectors_active = false; - return 0; - } - - /* We need the pipe to run for anything but OFF. */ - if (mode == DRM_MODE_DPMS_OFF) - encoder->connectors_active = false; - else - encoder->connectors_active = true; - - /* We call connector dpms manually below in case pipe dpms doesn't - * change due to cloning. */ - if (mode < old_dpms) { - /* From off to on, enable the pipe first. */ - intel_crtc_update_dpms(crtc); - - intel_crt_set_dpms(encoder, mode); - } else { - intel_crt_set_dpms(encoder, mode); - - intel_crtc_update_dpms(crtc); - } - - intel_modeset_check_state(connector->dev); - - return 0; -} - static enum drm_mode_status intel_crt_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) @@ -800,7 +751,7 @@ static void intel_crt_reset(struct drm_connector *connector) static const struct drm_connector_funcs intel_crt_connector_funcs = { .reset = intel_crt_reset, - .dpms = intel_crt_dpms, + .dpms = drm_atomic_helper_connector_dpms, .detect = intel_crt_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = intel_crt_destroy, diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c index 6d8a7bf..ba1ae03 100644 --- a/drivers/gpu/drm/i915/intel_csr.c +++ b/drivers/gpu/drm/i915/intel_csr.c @@ -244,7 +244,7 @@ void intel_csr_load_status_set(struct drm_i915_private *dev_priv, void intel_csr_load_program(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - __be32 *payload = dev_priv->csr.dmc_payload; + u32 *payload = dev_priv->csr.dmc_payload; uint32_t i, fw_size; if (!IS_GEN9(dev)) { @@ -256,7 +256,7 @@ void intel_csr_load_program(struct drm_device *dev) fw_size = dev_priv->csr.dmc_fw_size; for (i = 0; i < fw_size; i++) I915_WRITE(CSR_PROGRAM_BASE + i * 4, - (u32 __force)payload[i]); + payload[i]); for (i = 0; i < dev_priv->csr.mmio_count; i++) { I915_WRITE(dev_priv->csr.mmioaddr[i], @@ -279,7 +279,7 @@ static void finish_csr_load(const struct firmware *fw, void *context) char substepping = intel_get_substepping(dev); uint32_t dmc_offset = CSR_DEFAULT_FW_OFFSET, readcount = 0, nbytes; uint32_t i; - __be32 *dmc_payload; + uint32_t *dmc_payload; bool fw_loaded = false; if (!fw) { @@ -375,15 +375,7 @@ static void finish_csr_load(const struct firmware *fw, void *context) } dmc_payload = csr->dmc_payload; - for (i = 0; i < dmc_header->fw_size; i++) { - uint32_t *tmp = (u32 *)&fw->data[readcount + i * 4]; - /* - * The firmware payload is an array of 32 bit words stored in - * little-endian format in the firmware image and programmed - * as 32 bit big-endian format to memory. - */ - dmc_payload[i] = cpu_to_be32(*tmp); - } + memcpy(dmc_payload, &fw->data[readcount], nbytes); /* load csr program during system boot, as needed for DC states */ intel_csr_load_program(dev); diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 9a40bfb..6cfe65d 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -440,6 +440,7 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port, { struct drm_i915_private *dev_priv = dev->dev_private; u32 reg; + u32 iboost_bit = 0; int i, n_hdmi_entries, n_dp_entries, n_edp_entries, hdmi_default_entry, size; int hdmi_level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift; @@ -466,6 +467,10 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port, ddi_translations_hdmi = skl_get_buf_trans_hdmi(dev, &n_hdmi_entries); hdmi_default_entry = 8; + /* If we're boosting the current, set bit 31 of trans1 */ + if (dev_priv->vbt.ddi_port_info[port].hdmi_boost_level || + dev_priv->vbt.ddi_port_info[port].dp_boost_level) + iboost_bit = 1<<31; } else if (IS_BROADWELL(dev)) { ddi_translations_fdi = bdw_ddi_translations_fdi; ddi_translations_dp = bdw_ddi_translations_dp; @@ -526,7 +531,7 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port, } for (i = 0, reg = DDI_BUF_TRANS(port); i < size; i++) { - I915_WRITE(reg, ddi_translations[i].trans1); + I915_WRITE(reg, ddi_translations[i].trans1 | iboost_bit); reg += 4; I915_WRITE(reg, ddi_translations[i].trans2); reg += 4; @@ -541,7 +546,7 @@ static void intel_prepare_ddi_buffers(struct drm_device *dev, enum port port, hdmi_level = hdmi_default_entry; /* Entry 9 is for HDMI: */ - I915_WRITE(reg, ddi_translations_hdmi[hdmi_level].trans1); + I915_WRITE(reg, ddi_translations_hdmi[hdmi_level].trans1 | iboost_bit); reg += 4; I915_WRITE(reg, ddi_translations_hdmi[hdmi_level].trans2); reg += 4; @@ -2078,18 +2083,35 @@ static void skl_ddi_set_iboost(struct drm_device *dev, u32 level, struct drm_i915_private *dev_priv = dev->dev_private; const struct ddi_buf_trans *ddi_translations; uint8_t iboost; + uint8_t dp_iboost, hdmi_iboost; int n_entries; u32 reg; + /* VBT may override standard boost values */ + dp_iboost = dev_priv->vbt.ddi_port_info[port].dp_boost_level; + hdmi_iboost = dev_priv->vbt.ddi_port_info[port].hdmi_boost_level; + if (type == INTEL_OUTPUT_DISPLAYPORT) { - ddi_translations = skl_get_buf_trans_dp(dev, &n_entries); - iboost = ddi_translations[port].i_boost; + if (dp_iboost) { + iboost = dp_iboost; + } else { + ddi_translations = skl_get_buf_trans_dp(dev, &n_entries); + iboost = ddi_translations[port].i_boost; + } } else if (type == INTEL_OUTPUT_EDP) { - ddi_translations = skl_get_buf_trans_edp(dev, &n_entries); - iboost = ddi_translations[port].i_boost; + if (dp_iboost) { + iboost = dp_iboost; + } else { + ddi_translations = skl_get_buf_trans_edp(dev, &n_entries); + iboost = ddi_translations[port].i_boost; + } } else if (type == INTEL_OUTPUT_HDMI) { - ddi_translations = skl_get_buf_trans_hdmi(dev, &n_entries); - iboost = ddi_translations[port].i_boost; + if (hdmi_iboost) { + iboost = hdmi_iboost; + } else { + ddi_translations = skl_get_buf_trans_hdmi(dev, &n_entries); + iboost = ddi_translations[port].i_boost; + } } else { return; } @@ -3184,10 +3206,9 @@ void intel_ddi_init(struct drm_device *dev, enum port port) dev_priv->vbt.ddi_port_info[port].supports_hdmi); init_dp = dev_priv->vbt.ddi_port_info[port].supports_dp; if (!init_dp && !init_hdmi) { - DRM_DEBUG_KMS("VBT says port %c is not DVI/HDMI/DP compatible, assuming it is\n", + DRM_DEBUG_KMS("VBT says port %c is not DVI/HDMI/DP compatible, respect it\n", port_name(port)); - init_hdmi = true; - init_dp = true; + return; } intel_dig_port = kzalloc(sizeof(*intel_dig_port), GFP_KERNEL); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0a1d4a5..8393640 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1936,7 +1936,9 @@ static void intel_disable_shared_dpll(struct intel_crtc *crtc) struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); /* PCH only available on ILK+ */ - BUG_ON(INTEL_INFO(dev)->gen < 5); + if (INTEL_INFO(dev)->gen < 5) + return; + if (pll == NULL) return; @@ -2395,7 +2397,18 @@ intel_pin_and_fence_fb_obj(struct drm_plane *plane, * a fence as the cost is not that onerous. */ ret = i915_gem_object_get_fence(obj); - if (ret) + if (ret == -EDEADLK) { + /* + * -EDEADLK means there are no free fences + * no pending flips. + * + * This is propagated to atomic, but it uses + * -EDEADLK to force a locking recovery, so + * change the returned error to -EBUSY. + */ + ret = -EBUSY; + goto err_unpin; + } else if (ret) goto err_unpin; i915_gem_object_pin_fence(obj); @@ -5134,6 +5147,7 @@ static enum intel_display_power_domain port_to_power_domain(enum port port) { switch (port) { case PORT_A: + case PORT_E: return POWER_DOMAIN_PORT_DDI_A_4_LANES; case PORT_B: return POWER_DOMAIN_PORT_DDI_B_4_LANES; @@ -6271,67 +6285,6 @@ free: return ret; } -/* Master function to enable/disable CRTC and corresponding power wells */ -int intel_crtc_control(struct drm_crtc *crtc, bool enable) -{ - struct drm_device *dev = crtc->dev; - struct drm_mode_config *config = &dev->mode_config; - struct drm_modeset_acquire_ctx *ctx = config->acquire_ctx; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_crtc_state *pipe_config; - struct drm_atomic_state *state; - int ret; - - if (enable == intel_crtc->active) - return 0; - - if (enable && !crtc->state->enable) - return 0; - - /* this function should be called with drm_modeset_lock_all for now */ - if (WARN_ON(!ctx)) - return -EIO; - lockdep_assert_held(&ctx->ww_ctx); - - state = drm_atomic_state_alloc(dev); - if (WARN_ON(!state)) - return -ENOMEM; - - state->acquire_ctx = ctx; - state->allow_modeset = true; - - pipe_config = intel_atomic_get_crtc_state(state, intel_crtc); - if (IS_ERR(pipe_config)) { - ret = PTR_ERR(pipe_config); - goto err; - } - pipe_config->base.active = enable; - - ret = drm_atomic_commit(state); - if (!ret) - return ret; - -err: - DRM_ERROR("Updating crtc active failed with %i\n", ret); - drm_atomic_state_free(state); - return ret; -} - -/** - * Sets the power management mode of the pipe and plane. - */ -void intel_crtc_update_dpms(struct drm_crtc *crtc) -{ - struct drm_device *dev = crtc->dev; - struct intel_encoder *intel_encoder; - bool enable = false; - - for_each_encoder_on_crtc(dev, crtc, intel_encoder) - enable |= intel_encoder->connectors_active; - - intel_crtc_control(crtc, enable); -} - void intel_encoder_destroy(struct drm_encoder *encoder) { struct intel_encoder *intel_encoder = to_intel_encoder(encoder); @@ -6340,62 +6293,42 @@ void intel_encoder_destroy(struct drm_encoder *encoder) kfree(intel_encoder); } -/* Simple dpms helper for encoders with just one connector, no cloning and only - * one kind of off state. It clamps all !ON modes to fully OFF and changes the - * state of the entire output pipe. */ -static void intel_encoder_dpms(struct intel_encoder *encoder, int mode) -{ - if (mode == DRM_MODE_DPMS_ON) { - encoder->connectors_active = true; - - intel_crtc_update_dpms(encoder->base.crtc); - } else { - encoder->connectors_active = false; - - intel_crtc_update_dpms(encoder->base.crtc); - } -} - /* Cross check the actual hw state with our own modeset state tracking (and it's * internal consistency). */ static void intel_connector_check_state(struct intel_connector *connector) { + struct drm_crtc *crtc = connector->base.state->crtc; + + DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", + connector->base.base.id, + connector->base.name); + if (connector->get_hw_state(connector)) { - struct intel_encoder *encoder = connector->encoder; - struct drm_crtc *crtc; - bool encoder_enabled; - enum pipe pipe; + struct drm_encoder *encoder = &connector->encoder->base; + struct drm_connector_state *conn_state = connector->base.state; - DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", - connector->base.base.id, - connector->base.name); + I915_STATE_WARN(!crtc, + "connector enabled without attached crtc\n"); - /* there is no real hw state for MST connectors */ - if (connector->mst_port) + if (!crtc) return; - I915_STATE_WARN(connector->base.dpms == DRM_MODE_DPMS_OFF, - "wrong connector dpms state\n"); - I915_STATE_WARN(connector->base.encoder != &encoder->base, - "active connector not linked to encoder\n"); + I915_STATE_WARN(!crtc->state->active, + "connector is active, but attached crtc isn't\n"); - if (encoder) { - I915_STATE_WARN(!encoder->connectors_active, - "encoder->connectors_active not set\n"); - - encoder_enabled = encoder->get_hw_state(encoder, &pipe); - I915_STATE_WARN(!encoder_enabled, "encoder not enabled\n"); - if (I915_STATE_WARN_ON(!encoder->base.crtc)) - return; + if (!encoder) + return; - crtc = encoder->base.crtc; + I915_STATE_WARN(conn_state->best_encoder != encoder, + "atomic encoder doesn't match attached encoder\n"); - I915_STATE_WARN(!crtc->state->enable, - "crtc not enabled\n"); - I915_STATE_WARN(!to_intel_crtc(crtc)->active, "crtc not active\n"); - I915_STATE_WARN(pipe != to_intel_crtc(crtc)->pipe, - "encoder active on the wrong pipe\n"); - } + I915_STATE_WARN(conn_state->crtc != encoder->crtc, + "attached encoder crtc differs from connector crtc\n"); + } else { + I915_STATE_WARN(crtc && crtc->state->active, + "attached crtc is active, but connector isn't\n"); + I915_STATE_WARN(!crtc && connector->base.state->best_encoder, + "best encoder set without crtc!\n"); } } @@ -6427,28 +6360,6 @@ struct intel_connector *intel_connector_alloc(void) return connector; } -/* Even simpler default implementation, if there's really no special case to - * consider. */ -int intel_connector_dpms(struct drm_connector *connector, int mode) -{ - /* All the simple cases only support two dpms states. */ - if (mode != DRM_MODE_DPMS_ON) - mode = DRM_MODE_DPMS_OFF; - - if (mode == connector->dpms) - return 0; - - connector->dpms = mode; - - /* Only need to change hw state when actually enabled */ - if (connector->encoder) - intel_encoder_dpms(to_intel_encoder(connector->encoder), mode); - - intel_modeset_check_state(connector->dev); - - return 0; -} - /* Simple connector->get_hw_state implementation for encoders that support only * one connector and no cloning and hence the encoder state determines the state * of the connector. */ @@ -10764,15 +10675,12 @@ static void intel_unpin_work_fn(struct work_struct *__work) container_of(__work, struct intel_unpin_work, work); struct intel_crtc *crtc = to_intel_crtc(work->crtc); struct drm_device *dev = crtc->base.dev; - struct drm_i915_private *dev_priv = dev->dev_private; struct drm_plane *primary = crtc->base.primary; mutex_lock(&dev->struct_mutex); intel_unpin_fb_obj(work->old_fb, primary->state); drm_gem_object_unreference(&work->pending_flip_obj->base); - intel_fbc_update(dev_priv); - if (work->flip_queued_req) i915_gem_request_assign(&work->flip_queued_req, NULL); mutex_unlock(&dev->struct_mutex); @@ -11544,7 +11452,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, to_intel_plane(primary)->frontbuffer_bit); mutex_unlock(&dev->struct_mutex); - intel_fbc_disable(dev_priv); + intel_fbc_disable_crtc(intel_crtc); intel_frontbuffer_flip_prepare(dev, to_intel_plane(primary)->frontbuffer_bit); @@ -11840,7 +11748,7 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc, struct intel_crtc_state *pipe_config = to_intel_crtc_state(crtc_state); struct drm_atomic_state *state = crtc_state->state; - int ret, idx = crtc->base.id; + int ret; bool mode_changed = needs_modeset(crtc_state); if (mode_changed && !check_encoder_cloning(state, intel_crtc)) { @@ -11848,10 +11756,6 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc, return -EINVAL; } - I915_STATE_WARN(crtc->state->active != intel_crtc->active, - "[CRTC:%i] mismatch between state->active(%i) and crtc->active(%i)\n", - idx, crtc->state->active, intel_crtc->active); - if (mode_changed && !crtc_state->active) intel_crtc->atomic.update_wm_post = true; @@ -12160,6 +12064,7 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state) struct intel_dpll_hw_state dpll_hw_state; enum intel_dpll_id shared_dpll; uint32_t ddi_pll_sel; + bool force_thru; /* FIXME: before the switch to atomic started, a new pipe_config was * kzalloc'd. Code that depends on any field being zero should be @@ -12171,6 +12076,7 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state) shared_dpll = crtc_state->shared_dpll; dpll_hw_state = crtc_state->dpll_hw_state; ddi_pll_sel = crtc_state->ddi_pll_sel; + force_thru = crtc_state->pch_pfit.force_thru; memset(crtc_state, 0, sizeof *crtc_state); @@ -12179,6 +12085,7 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state) crtc_state->shared_dpll = shared_dpll; crtc_state->dpll_hw_state = dpll_hw_state; crtc_state->ddi_pll_sel = ddi_pll_sel; + crtc_state->pch_pfit.force_thru = force_thru; } static int @@ -12280,7 +12187,9 @@ encoder_retry: goto encoder_retry; } - pipe_config->dither = pipe_config->pipe_bpp != base_bpp; + /* Dithering seems to not pass-through bits correctly when it should, so + * only enable it on 6bpc panels. */ + pipe_config->dither = pipe_config->pipe_bpp == 6*3; DRM_DEBUG_KMS("plane bpp: %i, pipe bpp: %i, dithering: %i\n", base_bpp, pipe_config->pipe_bpp, pipe_config->dither); @@ -12288,48 +12197,15 @@ fail: return ret; } -static bool intel_crtc_in_use(struct drm_crtc *crtc) -{ - struct drm_encoder *encoder; - struct drm_device *dev = crtc->dev; - - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) - if (encoder->crtc == crtc) - return true; - - return false; -} - static void -intel_modeset_update_state(struct drm_atomic_state *state) +intel_modeset_update_crtc_state(struct drm_atomic_state *state) { - struct drm_device *dev = state->dev; - struct intel_encoder *intel_encoder; struct drm_crtc *crtc; struct drm_crtc_state *crtc_state; - struct drm_connector *connector; int i; - intel_shared_dpll_commit(state); - - for_each_intel_encoder(dev, intel_encoder) { - if (!intel_encoder->base.crtc) - continue; - - crtc = intel_encoder->base.crtc; - crtc_state = drm_atomic_get_existing_crtc_state(state, crtc); - if (!crtc_state || !needs_modeset(crtc->state)) - continue; - - intel_encoder->connectors_active = false; - } - - drm_atomic_helper_update_legacy_modeset_state(state->dev, state); - /* Double check state. */ for_each_crtc_in_state(state, crtc, crtc_state, i) { - WARN_ON(crtc->state->enable != intel_crtc_in_use(crtc)); - to_intel_crtc(crtc)->config = to_intel_crtc_state(crtc->state); /* Update hwmode for vblank functions */ @@ -12338,21 +12214,6 @@ intel_modeset_update_state(struct drm_atomic_state *state) else crtc->hwmode.crtc_clock = 0; } - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - if (!connector->encoder || !connector->encoder->crtc) - continue; - - crtc = connector->encoder->crtc; - crtc_state = drm_atomic_get_existing_crtc_state(state, crtc); - if (!crtc_state || !needs_modeset(crtc->state)) - continue; - - if (crtc->state->active) { - intel_encoder = to_intel_encoder(connector->encoder); - intel_encoder->connectors_active = true; - } - } } static bool intel_fuzzy_clock_check(int clock1, int clock2) @@ -12702,20 +12563,23 @@ static void check_wm_state(struct drm_device *dev) } static void -check_connector_state(struct drm_device *dev) +check_connector_state(struct drm_device *dev, + struct drm_atomic_state *old_state) { - struct intel_connector *connector; + struct drm_connector_state *old_conn_state; + struct drm_connector *connector; + int i; - for_each_intel_connector(dev, connector) { - struct drm_encoder *encoder = connector->base.encoder; - struct drm_connector_state *state = connector->base.state; + for_each_connector_in_state(old_state, connector, old_conn_state, i) { + struct drm_encoder *encoder = connector->encoder; + struct drm_connector_state *state = connector->state; /* This also checks the encoder/connector hw state with the * ->get_hw_state callbacks. */ - intel_connector_check_state(connector); + intel_connector_check_state(to_intel_connector(connector)); I915_STATE_WARN(state->best_encoder != encoder, - "connector's staged encoder doesn't match current encoder\n"); + "connector's atomic encoder doesn't match legacy encoder\n"); } } @@ -12727,133 +12591,106 @@ check_encoder_state(struct drm_device *dev) for_each_intel_encoder(dev, encoder) { bool enabled = false; - bool active = false; - enum pipe pipe, tracked_pipe; + enum pipe pipe; DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.base.id, encoder->base.name); - I915_STATE_WARN(encoder->connectors_active && !encoder->base.crtc, - "encoder's active_connectors set, but no crtc\n"); - for_each_intel_connector(dev, connector) { - if (connector->base.encoder != &encoder->base) + if (connector->base.state->best_encoder != &encoder->base) continue; enabled = true; - if (connector->base.dpms != DRM_MODE_DPMS_OFF) - active = true; I915_STATE_WARN(connector->base.state->crtc != encoder->base.crtc, "connector's crtc doesn't match encoder crtc\n"); } - /* - * for MST connectors if we unplug the connector is gone - * away but the encoder is still connected to a crtc - * until a modeset happens in response to the hotplug. - */ - if (!enabled && encoder->base.encoder_type == DRM_MODE_ENCODER_DPMST) - continue; I915_STATE_WARN(!!encoder->base.crtc != enabled, "encoder's enabled state mismatch " "(expected %i, found %i)\n", !!encoder->base.crtc, enabled); - I915_STATE_WARN(active && !encoder->base.crtc, - "active encoder with no crtc\n"); - I915_STATE_WARN(encoder->connectors_active != active, - "encoder's computed active state doesn't match tracked active state " - "(expected %i, found %i)\n", active, encoder->connectors_active); - - active = encoder->get_hw_state(encoder, &pipe); - I915_STATE_WARN(active != encoder->connectors_active, - "encoder's hw state doesn't match sw tracking " - "(expected %i, found %i)\n", - encoder->connectors_active, active); - - if (!encoder->base.crtc) - continue; - - tracked_pipe = to_intel_crtc(encoder->base.crtc)->pipe; - I915_STATE_WARN(active && pipe != tracked_pipe, - "active encoder's pipe doesn't match" - "(expected %i, found %i)\n", - tracked_pipe, pipe); + if (!encoder->base.crtc) { + bool active; + active = encoder->get_hw_state(encoder, &pipe); + I915_STATE_WARN(active, + "encoder detached but still enabled on pipe %c.\n", + pipe_name(pipe)); + } } } static void -check_crtc_state(struct drm_device *dev) +check_crtc_state(struct drm_device *dev, struct drm_atomic_state *old_state) { struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_crtc *crtc; struct intel_encoder *encoder; - struct intel_crtc_state pipe_config; + struct drm_crtc_state *old_crtc_state; + struct drm_crtc *crtc; + int i; - for_each_intel_crtc(dev, crtc) { - bool enabled = false; - bool active = false; + for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_crtc_state *pipe_config, *sw_config; + bool active; - memset(&pipe_config, 0, sizeof(pipe_config)); + if (!needs_modeset(crtc->state)) + continue; - DRM_DEBUG_KMS("[CRTC:%d]\n", - crtc->base.base.id); + __drm_atomic_helper_crtc_destroy_state(crtc, old_crtc_state); + pipe_config = to_intel_crtc_state(old_crtc_state); + memset(pipe_config, 0, sizeof(*pipe_config)); + pipe_config->base.crtc = crtc; + pipe_config->base.state = old_state; - I915_STATE_WARN(crtc->active && !crtc->base.state->enable, - "active crtc, but not enabled in sw tracking\n"); + DRM_DEBUG_KMS("[CRTC:%d]\n", + crtc->base.id); - for_each_intel_encoder(dev, encoder) { - if (encoder->base.crtc != &crtc->base) - continue; - enabled = true; - if (encoder->connectors_active) - active = true; - } + active = dev_priv->display.get_pipe_config(intel_crtc, + pipe_config); - I915_STATE_WARN(active != crtc->active, - "crtc's computed active state doesn't match tracked active state " - "(expected %i, found %i)\n", active, crtc->active); - I915_STATE_WARN(enabled != crtc->base.state->enable, - "crtc's computed enabled state doesn't match tracked enabled state " - "(expected %i, found %i)\n", enabled, - crtc->base.state->enable); + /* hw state is inconsistent with the pipe quirk */ + if ((intel_crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || + (intel_crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) + active = crtc->state->active; - active = dev_priv->display.get_pipe_config(crtc, - &pipe_config); + I915_STATE_WARN(crtc->state->active != active, + "crtc active state doesn't match with hw state " + "(expected %i, found %i)\n", crtc->state->active, active); - /* hw state is inconsistent with the pipe quirk */ - if ((crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || - (crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) - active = crtc->active; + I915_STATE_WARN(intel_crtc->active != crtc->state->active, + "transitional active state does not match atomic hw state " + "(expected %i, found %i)\n", crtc->state->active, intel_crtc->active); - for_each_intel_encoder(dev, encoder) { + for_each_encoder_on_crtc(dev, crtc, encoder) { enum pipe pipe; - if (encoder->base.crtc != &crtc->base) - continue; - if (encoder->get_hw_state(encoder, &pipe)) - encoder->get_config(encoder, &pipe_config); - } - I915_STATE_WARN(crtc->active != active, - "crtc active state doesn't match with hw state " - "(expected %i, found %i)\n", crtc->active, active); + active = encoder->get_hw_state(encoder, &pipe); + I915_STATE_WARN(active != crtc->state->active, + "[ENCODER:%i] active %i with crtc active %i\n", + encoder->base.base.id, active, crtc->state->active); - I915_STATE_WARN(crtc->active != crtc->base.state->active, - "transitional active state does not match atomic hw state " - "(expected %i, found %i)\n", crtc->base.state->active, crtc->active); + I915_STATE_WARN(active && intel_crtc->pipe != pipe, + "Encoder connected to wrong pipe %c\n", + pipe_name(pipe)); - if (!active) + if (active) + encoder->get_config(encoder, pipe_config); + } + + if (!crtc->state->active) continue; - if (!intel_pipe_config_compare(dev, crtc->config, - &pipe_config, false)) { + sw_config = to_intel_crtc_state(crtc->state); + if (!intel_pipe_config_compare(dev, sw_config, + pipe_config, false)) { I915_STATE_WARN(1, "pipe state doesn't match!\n"); - intel_dump_pipe_config(crtc, &pipe_config, + intel_dump_pipe_config(intel_crtc, pipe_config, "[hw state]"); - intel_dump_pipe_config(crtc, crtc->config, + intel_dump_pipe_config(intel_crtc, sw_config, "[sw state]"); } } @@ -12908,13 +12745,14 @@ check_shared_dpll_state(struct drm_device *dev) } } -void -intel_modeset_check_state(struct drm_device *dev) +static void +intel_modeset_check_state(struct drm_device *dev, + struct drm_atomic_state *old_state) { check_wm_state(dev); - check_connector_state(dev); + check_connector_state(dev, old_state); check_encoder_state(dev); - check_crtc_state(dev); + check_crtc_state(dev, old_state); check_shared_dpll_state(dev); } @@ -13270,12 +13108,14 @@ static int intel_atomic_commit(struct drm_device *dev, /* Only after disabling all output pipelines that will be changed can we * update the the output configuration. */ - intel_modeset_update_state(state); + intel_modeset_update_crtc_state(state); - /* The state has been swaped above, so state actually contains the - * old state now. */ - if (any_ms) + if (any_ms) { + intel_shared_dpll_commit(state); + + drm_atomic_helper_update_legacy_modeset_state(state->dev, state); modeset_update_crtc_power_domains(state); + } /* Now enable the clocks, plane, pipe, and connectors that we set up. */ for_each_crtc_in_state(state, crtc, crtc_state, i) { @@ -13298,10 +13138,11 @@ static int intel_atomic_commit(struct drm_device *dev, drm_atomic_helper_wait_for_vblanks(dev, state); drm_atomic_helper_cleanup_planes(dev, state); - drm_atomic_state_free(state); if (any_ms) - intel_modeset_check_state(dev); + intel_modeset_check_state(dev, state); + + drm_atomic_state_free(state); return 0; } @@ -14106,8 +13947,7 @@ static void intel_setup_outputs(struct drm_device *dev) */ found = I915_READ(DDI_BUF_CTL_A) & DDI_INIT_DISPLAY_DETECTED; /* WaIgnoreDDIAStrap: skl */ - if (found || - (IS_SKYLAKE(dev) && INTEL_REVID(dev) < SKL_REVID_D0)) + if (found || IS_SKYLAKE(dev)) intel_ddi_init(dev, PORT_A); /* DDI B, C and D detection is indicated by the SFUSE_STRAP @@ -14271,7 +14111,7 @@ static int intel_user_framebuffer_dirty(struct drm_framebuffer *fb, struct drm_i915_gem_object *obj = intel_fb->obj; mutex_lock(&dev->struct_mutex); - intel_fb_obj_flush(obj, false, ORIGIN_GTT); + intel_fb_obj_flush(obj, false, ORIGIN_DIRTYFB); mutex_unlock(&dev->struct_mutex); return 0; @@ -15065,8 +14905,10 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) /* Adjust the state of the output pipe according to whether we * have active connectors/encoders. */ enable = false; - for_each_encoder_on_crtc(dev, &crtc->base, encoder) - enable |= encoder->connectors_active; + for_each_encoder_on_crtc(dev, &crtc->base, encoder) { + enable = true; + break; + } if (!enable) intel_crtc_disable_noatomic(&crtc->base); @@ -15093,10 +14935,8 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) * actually up, hence no need to break them. */ WARN_ON(crtc->active); - for_each_encoder_on_crtc(dev, &crtc->base, encoder) { - WARN_ON(encoder->connectors_active); + for_each_encoder_on_crtc(dev, &crtc->base, encoder) encoder->base.crtc = NULL; - } } if (crtc->active || HAS_GMCH_DISPLAY(dev)) { @@ -15122,6 +14962,7 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder) { struct intel_connector *connector; struct drm_device *dev = encoder->base.dev; + bool active = false; /* We need to check both for a crtc link (meaning that the * encoder is active and trying to read from a pipe) and the @@ -15129,7 +14970,15 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder) bool has_active_crtc = encoder->base.crtc && to_intel_crtc(encoder->base.crtc)->active; - if (encoder->connectors_active && !has_active_crtc) { + for_each_intel_connector(dev, connector) { + if (connector->base.encoder != &encoder->base) + continue; + + active = true; + break; + } + + if (active && !has_active_crtc) { DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n", encoder->base.base.id, encoder->base.name); @@ -15146,7 +14995,6 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder) encoder->post_disable(encoder); } encoder->base.crtc = NULL; - encoder->connectors_active = false; /* Inconsistent output/port/pipe state happens presumably due to * a bug in one of the get_hw_state functions. Or someplace else @@ -15308,7 +15156,6 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) encoder->base.crtc = NULL; } - encoder->connectors_active = false; DRM_DEBUG_KMS("[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", encoder->base.base.id, encoder->base.name, @@ -15319,7 +15166,6 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) for_each_intel_connector(dev, connector) { if (connector->get_hw_state(connector)) { connector->base.dpms = DRM_MODE_DPMS_ON; - connector->encoder->connectors_active = true; connector->base.encoder = &connector->encoder->base; } else { connector->base.dpms = DRM_MODE_DPMS_OFF; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f1b9f93..016e7bc 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -849,8 +849,15 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, } if (try == 3) { - WARN(1, "dp_aux_ch not started status 0x%08x\n", - I915_READ(ch_ctl)); + static u32 last_status = -1; + const u32 status = I915_READ(ch_ctl); + + if (status != last_status) { + WARN(1, "dp_aux_ch not started status 0x%08x\n", + status); + last_status = status; + } + ret = -EBUSY; goto out; } @@ -1026,11 +1033,34 @@ static void intel_dp_aux_init(struct intel_dp *intel_dp, struct intel_connector *connector) { struct drm_device *dev = intel_dp_to_dev(intel_dp); + struct drm_i915_private *dev_priv = dev->dev_private; struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); enum port port = intel_dig_port->port; + struct ddi_vbt_port_info *info = &dev_priv->vbt.ddi_port_info[port]; const char *name = NULL; + uint32_t porte_aux_ctl_reg = DPA_AUX_CH_CTL; int ret; + /* On SKL we don't have Aux for port E so we rely on VBT to set + * a proper alternate aux channel. + */ + if (IS_SKYLAKE(dev) && port == PORT_E) { + switch (info->alternate_aux_channel) { + case DP_AUX_B: + porte_aux_ctl_reg = DPB_AUX_CH_CTL; + break; + case DP_AUX_C: + porte_aux_ctl_reg = DPC_AUX_CH_CTL; + break; + case DP_AUX_D: + porte_aux_ctl_reg = DPD_AUX_CH_CTL; + break; + case DP_AUX_A: + default: + porte_aux_ctl_reg = DPA_AUX_CH_CTL; + } + } + switch (port) { case PORT_A: intel_dp->aux_ch_ctl_reg = DPA_AUX_CH_CTL; @@ -1048,6 +1078,10 @@ intel_dp_aux_init(struct intel_dp *intel_dp, struct intel_connector *connector) intel_dp->aux_ch_ctl_reg = PCH_DPD_AUX_CH_CTL; name = "DPDDC-D"; break; + case PORT_E: + intel_dp->aux_ch_ctl_reg = porte_aux_ctl_reg; + name = "DPDDC-E"; + break; default: BUG(); } @@ -1061,7 +1095,7 @@ intel_dp_aux_init(struct intel_dp *intel_dp, struct intel_connector *connector) * * Skylake moves AUX_CTL back next to DDI_BUF_CTL, on the CPU. */ - if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) + if (!IS_HASWELL(dev) && !IS_BROADWELL(dev) && port != PORT_E) intel_dp->aux_ch_ctl_reg = intel_dp->output_reg + 0x10; intel_dp->aux.name = name; @@ -1409,7 +1443,10 @@ intel_dp_compute_config(struct intel_encoder *encoder, * bpc in between. */ bpp = pipe_config->pipe_bpp; if (is_edp(intel_dp)) { - if (dev_priv->vbt.edp_bpp && dev_priv->vbt.edp_bpp < bpp) { + + /* Get bpp from vbt only for panels that dont have bpp in edid */ + if (intel_connector->base.display_info.bpc == 0 && + (dev_priv->vbt.edp_bpp && dev_priv->vbt.edp_bpp < bpp)) { DRM_DEBUG_KMS("clamping bpp for eDP panel to BIOS-provided %i\n", dev_priv->vbt.edp_bpp); bpp = dev_priv->vbt.edp_bpp; @@ -2624,7 +2661,7 @@ static void vlv_steal_power_sequencer(struct drm_device *dev, DRM_DEBUG_KMS("stealing pipe %c power sequencer from port %c\n", pipe_name(pipe), port_name(port)); - WARN(encoder->connectors_active, + WARN(encoder->base.crtc, "stealing pipe %c power sequencer from active eDP port %c\n", pipe_name(pipe), port_name(port)); @@ -3958,43 +3995,67 @@ intel_dp_probe_mst(struct intel_dp *intel_dp) return intel_dp->is_mst; } -int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc) +static void intel_dp_sink_crc_stop(struct intel_dp *intel_dp) { - struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); - struct drm_device *dev = intel_dig_port->base.base.dev; - struct intel_crtc *intel_crtc = - to_intel_crtc(intel_dig_port->base.base.crtc); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct intel_crtc *intel_crtc = to_intel_crtc(dig_port->base.base.crtc); u8 buf; - int test_crc_count; - int attempts = 6; - int ret = 0; - hsw_disable_ips(intel_crtc); - - if (drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK_MISC, &buf) < 0) { - ret = -EIO; - goto out; + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK, &buf) < 0) { + DRM_DEBUG_KMS("Sink CRC couldn't be stopped properly\n"); + return; } - if (!(buf & DP_TEST_CRC_SUPPORTED)) { - ret = -ENOTTY; - goto out; - } + if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_SINK, + buf & ~DP_TEST_SINK_START) < 0) + DRM_DEBUG_KMS("Sink CRC couldn't be stopped properly\n"); - if (drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK, &buf) < 0) { - ret = -EIO; - goto out; - } + hsw_enable_ips(intel_crtc); +} + +static int intel_dp_sink_crc_start(struct intel_dp *intel_dp) +{ + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct intel_crtc *intel_crtc = to_intel_crtc(dig_port->base.base.crtc); + u8 buf; + + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK_MISC, &buf) < 0) + return -EIO; + + if (!(buf & DP_TEST_CRC_SUPPORTED)) + return -ENOTTY; + + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK, &buf) < 0) + return -EIO; + + hsw_disable_ips(intel_crtc); if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_SINK, - buf | DP_TEST_SINK_START) < 0) { - ret = -EIO; - goto out; + buf | DP_TEST_SINK_START) < 0) { + hsw_enable_ips(intel_crtc); + return -EIO; } + return 0; +} + +int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc) +{ + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct drm_device *dev = dig_port->base.base.dev; + struct intel_crtc *intel_crtc = to_intel_crtc(dig_port->base.base.crtc); + u8 buf; + int test_crc_count; + int attempts = 6; + int ret; + + ret = intel_dp_sink_crc_start(intel_dp); + if (ret) + return ret; + if (drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK_MISC, &buf) < 0) { ret = -EIO; - goto out; + goto stop; } test_crc_count = buf & DP_TEST_COUNT_MASK; @@ -4003,7 +4064,7 @@ int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc) if (drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK_MISC, &buf) < 0) { ret = -EIO; - goto out; + goto stop; } intel_wait_for_vblank(dev, intel_crtc->pipe); } while (--attempts && (buf & DP_TEST_COUNT_MASK) == test_crc_count); @@ -4011,25 +4072,13 @@ int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc) if (attempts == 0) { DRM_DEBUG_KMS("Panel is unable to calculate CRC after 6 vblanks\n"); ret = -ETIMEDOUT; - goto out; - } - - if (drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_CRC_R_CR, crc, 6) < 0) { - ret = -EIO; - goto out; + goto stop; } - if (drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_SINK, &buf) < 0) { - ret = -EIO; - goto out; - } - if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_SINK, - buf & ~DP_TEST_SINK_START) < 0) { + if (drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_CRC_R_CR, crc, 6) < 0) ret = -EIO; - goto out; - } -out: - hsw_enable_ips(intel_crtc); +stop: + intel_dp_sink_crc_stop(intel_dp); return ret; } @@ -4090,9 +4139,16 @@ static uint8_t intel_dp_autotest_edid(struct intel_dp *intel_dp) intel_dp->aux.i2c_defer_count); intel_dp->compliance_test_data = INTEL_DP_RESOLUTION_FAILSAFE; } else { + struct edid *block = intel_connector->detect_edid; + + /* We have to write the checksum + * of the last block read + */ + block += intel_connector->detect_edid->extensions; + if (!drm_dp_dpcd_write(&intel_dp->aux, DP_TEST_EDID_CHECKSUM, - &intel_connector->detect_edid->checksum, + &block->checksum, 1)) DRM_DEBUG_KMS("Failed to write EDID checksum\n"); @@ -4240,10 +4296,7 @@ intel_dp_check_link_status(struct intel_dp *intel_dp) WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); - if (!intel_encoder->connectors_active) - return; - - if (WARN_ON(!intel_encoder->base.crtc)) + if (!intel_encoder->base.crtc) return; if (!to_intel_crtc(intel_encoder->base.crtc)->active) @@ -4824,7 +4877,7 @@ static void intel_dp_encoder_reset(struct drm_encoder *encoder) } static const struct drm_connector_funcs intel_dp_connector_funcs = { - .dpms = intel_connector_dpms, + .dpms = drm_atomic_helper_connector_dpms, .detect = intel_dp_detect, .force = intel_dp_force, .fill_modes = drm_helper_probe_single_connector_modes, diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index a61df29..369f8b6 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -328,7 +328,7 @@ intel_dp_mst_connector_destroy(struct drm_connector *connector) } static const struct drm_connector_funcs intel_dp_mst_connector_funcs = { - .dpms = intel_connector_dpms, + .dpms = drm_atomic_helper_connector_dpms, .detect = intel_dp_mst_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = intel_dp_mst_set_property, @@ -464,9 +464,20 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, { struct intel_connector *intel_connector = to_intel_connector(connector); struct drm_device *dev = connector->dev; + /* need to nuke the connector */ drm_modeset_lock_all(dev); - intel_connector_dpms(connector, DRM_MODE_DPMS_OFF); + if (connector->state->crtc) { + struct drm_mode_set set; + int ret; + + memset(&set, 0, sizeof(set)); + set.crtc = connector->state->crtc, + + ret = drm_atomic_helper_set_config(&set); + + WARN(ret, "Disabling mst crtc failed with %i\n", ret); + } drm_modeset_unlock_all(dev); intel_connector->unregister(intel_connector); diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 2e743d6..93008fb 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -133,7 +133,6 @@ struct intel_encoder { enum intel_output_type type; unsigned int cloneable; - bool connectors_active; void (*hot_plug)(struct intel_encoder *); bool (*compute_config)(struct intel_encoder *, struct intel_crtc_state *); @@ -992,14 +991,10 @@ void intel_mark_busy(struct drm_device *dev); void intel_mark_idle(struct drm_device *dev); void intel_crtc_restore_mode(struct drm_crtc *crtc); int intel_display_suspend(struct drm_device *dev); -int intel_crtc_control(struct drm_crtc *crtc, bool enable); -void intel_crtc_update_dpms(struct drm_crtc *crtc); void intel_encoder_destroy(struct drm_encoder *encoder); int intel_connector_init(struct intel_connector *); struct intel_connector *intel_connector_alloc(void); -int intel_connector_dpms(struct drm_connector *, int mode); bool intel_connector_get_hw_state(struct intel_connector *connector); -void intel_modeset_check_state(struct drm_device *dev); bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, struct intel_digital_port *port); void intel_connector_attach_encoder(struct intel_connector *connector, @@ -1243,7 +1238,7 @@ void intel_fbc_invalidate(struct drm_i915_private *dev_priv, unsigned int frontbuffer_bits, enum fb_op_origin origin); void intel_fbc_flush(struct drm_i915_private *dev_priv, - unsigned int frontbuffer_bits); + unsigned int frontbuffer_bits, enum fb_op_origin origin); const char *intel_no_fbc_reason_str(enum no_fbc_reason reason); void intel_fbc_cleanup_cfb(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 18dd7d7..4a601cf 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -982,7 +982,7 @@ static const struct drm_connector_helper_funcs intel_dsi_connector_helper_funcs }; static const struct drm_connector_funcs intel_dsi_connector_funcs = { - .dpms = intel_connector_dpms, + .dpms = drm_atomic_helper_connector_dpms, .detect = intel_dsi_detect, .destroy = intel_dsi_connector_destroy, .fill_modes = drm_helper_probe_single_connector_modes, diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c index fd5e522..dc532bb 100644 --- a/drivers/gpu/drm/i915/intel_dvo.c +++ b/drivers/gpu/drm/i915/intel_dvo.c @@ -196,52 +196,6 @@ static void intel_enable_dvo(struct intel_encoder *encoder) intel_dvo->dev.dev_ops->dpms(&intel_dvo->dev, true); } -/* Special dpms function to support cloning between dvo/sdvo/crt. */ -static int intel_dvo_dpms(struct drm_connector *connector, int mode) -{ - struct intel_dvo *intel_dvo = intel_attached_dvo(connector); - struct drm_crtc *crtc; - struct intel_crtc_state *config; - - /* dvo supports only 2 dpms states. */ - if (mode != DRM_MODE_DPMS_ON) - mode = DRM_MODE_DPMS_OFF; - - if (mode == connector->dpms) - return 0; - - connector->dpms = mode; - - /* Only need to change hw state when actually enabled */ - crtc = intel_dvo->base.base.crtc; - if (!crtc) { - intel_dvo->base.connectors_active = false; - return 0; - } - - /* We call connector dpms manually below in case pipe dpms doesn't - * change due to cloning. */ - if (mode == DRM_MODE_DPMS_ON) { - config = to_intel_crtc(crtc)->config; - - intel_dvo->base.connectors_active = true; - - intel_crtc_update_dpms(crtc); - - intel_dvo->dev.dev_ops->dpms(&intel_dvo->dev, true); - } else { - intel_dvo->dev.dev_ops->dpms(&intel_dvo->dev, false); - - intel_dvo->base.connectors_active = false; - - intel_crtc_update_dpms(crtc); - } - - intel_modeset_check_state(connector->dev); - - return 0; -} - static enum drm_mode_status intel_dvo_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) @@ -389,7 +343,7 @@ static void intel_dvo_destroy(struct drm_connector *connector) } static const struct drm_connector_funcs intel_dvo_connector_funcs = { - .dpms = intel_dvo_dpms, + .dpms = drm_atomic_helper_connector_dpms, .detect = intel_dvo_detect, .destroy = intel_dvo_destroy, .fill_modes = drm_helper_probe_single_connector_modes, diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index c271af7..1f97fb5 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -884,22 +884,23 @@ void intel_fbc_invalidate(struct drm_i915_private *dev_priv, } void intel_fbc_flush(struct drm_i915_private *dev_priv, - unsigned int frontbuffer_bits) + unsigned int frontbuffer_bits, enum fb_op_origin origin) { if (!dev_priv->fbc.enable_fbc) return; - mutex_lock(&dev_priv->fbc.lock); + if (origin == ORIGIN_GTT) + return; - if (!dev_priv->fbc.busy_bits) - goto out; + mutex_lock(&dev_priv->fbc.lock); dev_priv->fbc.busy_bits &= ~frontbuffer_bits; - if (!dev_priv->fbc.busy_bits) + if (!dev_priv->fbc.busy_bits) { + __intel_fbc_disable(dev_priv); __intel_fbc_update(dev_priv); + } -out: mutex_unlock(&dev_priv->fbc.lock); } diff --git a/drivers/gpu/drm/i915/intel_frontbuffer.c b/drivers/gpu/drm/i915/intel_frontbuffer.c index 777b1d3..ac85357 100644 --- a/drivers/gpu/drm/i915/intel_frontbuffer.c +++ b/drivers/gpu/drm/i915/intel_frontbuffer.c @@ -129,7 +129,7 @@ static void intel_frontbuffer_flush(struct drm_device *dev, intel_edp_drrs_flush(dev, frontbuffer_bits); intel_psr_flush(dev, frontbuffer_bits, origin); - intel_fbc_flush(dev_priv, frontbuffer_bits); + intel_fbc_flush(dev_priv, frontbuffer_bits, origin); } /** diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h new file mode 100644 index 0000000..18d7f20 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_guc_fwif.h @@ -0,0 +1,245 @@ +/* + * Copyright © 2014 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ +#ifndef _INTEL_GUC_FWIF_H +#define _INTEL_GUC_FWIF_H + +/* + * This file is partially autogenerated, although currently with some manual + * fixups afterwards. In future, it should be entirely autogenerated, in order + * to ensure that the definitions herein remain in sync with those used by the + * GuC's own firmware. + * + * EDITING THIS FILE IS THEREFORE NOT RECOMMENDED - YOUR CHANGES MAY BE LOST. + */ + +#define GFXCORE_FAMILY_GEN8 11 +#define GFXCORE_FAMILY_GEN9 12 +#define GFXCORE_FAMILY_FORCE_ULONG 0x7fffffff + +#define GUC_CTX_PRIORITY_CRITICAL 0 +#define GUC_CTX_PRIORITY_HIGH 1 +#define GUC_CTX_PRIORITY_NORMAL 2 +#define GUC_CTX_PRIORITY_LOW 3 + +#define GUC_MAX_GPU_CONTEXTS 1024 +#define GUC_INVALID_CTX_ID (GUC_MAX_GPU_CONTEXTS + 1) + +/* Work queue item header definitions */ +#define WQ_STATUS_ACTIVE 1 +#define WQ_STATUS_SUSPENDED 2 +#define WQ_STATUS_CMD_ERROR 3 +#define WQ_STATUS_ENGINE_ID_NOT_USED 4 +#define WQ_STATUS_SUSPENDED_FROM_RESET 5 +#define WQ_TYPE_SHIFT 0 +#define WQ_TYPE_BATCH_BUF (0x1 << WQ_TYPE_SHIFT) +#define WQ_TYPE_PSEUDO (0x2 << WQ_TYPE_SHIFT) +#define WQ_TYPE_INORDER (0x3 << WQ_TYPE_SHIFT) +#define WQ_TARGET_SHIFT 10 +#define WQ_LEN_SHIFT 16 +#define WQ_NO_WCFLUSH_WAIT (1 << 27) +#define WQ_PRESENT_WORKLOAD (1 << 28) +#define WQ_WORKLOAD_SHIFT 29 +#define WQ_WORKLOAD_GENERAL (0 << WQ_WORKLOAD_SHIFT) +#define WQ_WORKLOAD_GPGPU (1 << WQ_WORKLOAD_SHIFT) +#define WQ_WORKLOAD_TOUCH (2 << WQ_WORKLOAD_SHIFT) + +#define WQ_RING_TAIL_SHIFT 20 +#define WQ_RING_TAIL_MASK (0x7FF << WQ_RING_TAIL_SHIFT) + +#define GUC_DOORBELL_ENABLED 1 +#define GUC_DOORBELL_DISABLED 0 + +#define GUC_CTX_DESC_ATTR_ACTIVE (1 << 0) +#define GUC_CTX_DESC_ATTR_PENDING_DB (1 << 1) +#define GUC_CTX_DESC_ATTR_KERNEL (1 << 2) +#define GUC_CTX_DESC_ATTR_PREEMPT (1 << 3) +#define GUC_CTX_DESC_ATTR_RESET (1 << 4) +#define GUC_CTX_DESC_ATTR_WQLOCKED (1 << 5) +#define GUC_CTX_DESC_ATTR_PCH (1 << 6) + +/* The guc control data is 10 DWORDs */ +#define GUC_CTL_CTXINFO 0 +#define GUC_CTL_CTXNUM_IN16_SHIFT 0 +#define GUC_CTL_BASE_ADDR_SHIFT 12 +#define GUC_CTL_ARAT_HIGH 1 +#define GUC_CTL_ARAT_LOW 2 +#define GUC_CTL_DEVICE_INFO 3 +#define GUC_CTL_GTTYPE_SHIFT 0 +#define GUC_CTL_COREFAMILY_SHIFT 7 +#define GUC_CTL_LOG_PARAMS 4 +#define GUC_LOG_VALID (1 << 0) +#define GUC_LOG_NOTIFY_ON_HALF_FULL (1 << 1) +#define GUC_LOG_ALLOC_IN_MEGABYTE (1 << 3) +#define GUC_LOG_CRASH_PAGES 1 +#define GUC_LOG_CRASH_SHIFT 4 +#define GUC_LOG_DPC_PAGES 3 +#define GUC_LOG_DPC_SHIFT 6 +#define GUC_LOG_ISR_PAGES 3 +#define GUC_LOG_ISR_SHIFT 9 +#define GUC_LOG_BUF_ADDR_SHIFT 12 +#define GUC_CTL_PAGE_FAULT_CONTROL 5 +#define GUC_CTL_WA 6 +#define GUC_CTL_WA_UK_BY_DRIVER (1 << 3) +#define GUC_CTL_FEATURE 7 +#define GUC_CTL_VCS2_ENABLED (1 << 0) +#define GUC_CTL_KERNEL_SUBMISSIONS (1 << 1) +#define GUC_CTL_FEATURE2 (1 << 2) +#define GUC_CTL_POWER_GATING (1 << 3) +#define GUC_CTL_DISABLE_SCHEDULER (1 << 4) +#define GUC_CTL_PREEMPTION_LOG (1 << 5) +#define GUC_CTL_ENABLE_SLPC (1 << 7) +#define GUC_CTL_DEBUG 8 +#define GUC_LOG_VERBOSITY_SHIFT 0 +#define GUC_LOG_VERBOSITY_LOW (0 << GUC_LOG_VERBOSITY_SHIFT) +#define GUC_LOG_VERBOSITY_MED (1 << GUC_LOG_VERBOSITY_SHIFT) +#define GUC_LOG_VERBOSITY_HIGH (2 << GUC_LOG_VERBOSITY_SHIFT) +#define GUC_LOG_VERBOSITY_ULTRA (3 << GUC_LOG_VERBOSITY_SHIFT) +/* Verbosity range-check limits, without the shift */ +#define GUC_LOG_VERBOSITY_MIN 0 +#define GUC_LOG_VERBOSITY_MAX 3 + +#define GUC_CTL_MAX_DWORDS (GUC_CTL_DEBUG + 1) + +struct guc_doorbell_info { + u32 db_status; + u32 cookie; + u32 reserved[14]; +} __packed; + +union guc_doorbell_qw { + struct { + u32 db_status; + u32 cookie; + }; + u64 value_qw; +} __packed; + +#define GUC_MAX_DOORBELLS 256 +#define GUC_INVALID_DOORBELL_ID (GUC_MAX_DOORBELLS) + +#define GUC_DB_SIZE (PAGE_SIZE) +#define GUC_WQ_SIZE (PAGE_SIZE * 2) + +/* Work item for submitting workloads into work queue of GuC. */ +struct guc_wq_item { + u32 header; + u32 context_desc; + u32 ring_tail; + u32 fence_id; +} __packed; + +struct guc_process_desc { + u32 context_id; + u64 db_base_addr; + u32 head; + u32 tail; + u32 error_offset; + u64 wq_base_addr; + u32 wq_size_bytes; + u32 wq_status; + u32 engine_presence; + u32 priority; + u32 reserved[30]; +} __packed; + +/* engine id and context id is packed into guc_execlist_context.context_id*/ +#define GUC_ELC_CTXID_OFFSET 0 +#define GUC_ELC_ENGINE_OFFSET 29 + +/* The execlist context including software and HW information */ +struct guc_execlist_context { + u32 context_desc; + u32 context_id; + u32 ring_status; + u32 ring_lcra; + u32 ring_begin; + u32 ring_end; + u32 ring_next_free_location; + u32 ring_current_tail_pointer_value; + u8 engine_state_submit_value; + u8 engine_state_wait_value; + u16 pagefault_count; + u16 engine_submit_queue_count; +} __packed; + +/*Context descriptor for communicating between uKernel and Driver*/ +struct guc_context_desc { + u32 sched_common_area; + u32 context_id; + u32 pas_id; + u8 engines_used; + u64 db_trigger_cpu; + u32 db_trigger_uk; + u64 db_trigger_phy; + u16 db_id; + + struct guc_execlist_context lrc[I915_NUM_RINGS]; + + u8 attribute; + + u32 priority; + + u32 wq_sampled_tail_offset; + u32 wq_total_submit_enqueues; + + u32 process_desc; + u32 wq_addr; + u32 wq_size; + + u32 engine_presence; + + u32 reserved0[1]; + u64 reserved1[1]; + + u64 desc_private; +} __packed; + +/* This Action will be programmed in C180 - SOFT_SCRATCH_O_REG */ +enum host2guc_action { + HOST2GUC_ACTION_DEFAULT = 0x0, + HOST2GUC_ACTION_SAMPLE_FORCEWAKE = 0x6, + HOST2GUC_ACTION_ALLOCATE_DOORBELL = 0x10, + HOST2GUC_ACTION_DEALLOCATE_DOORBELL = 0x20, + HOST2GUC_ACTION_SLPC_REQUEST = 0x3003, + HOST2GUC_ACTION_LIMIT +}; + +/* + * The GuC sends its response to a command by overwriting the + * command in SS0. The response is distinguishable from a command + * by the fact that all the MASK bits are set. The remaining bits + * give more detail. + */ +#define GUC2HOST_RESPONSE_MASK ((u32)0xF0000000) +#define GUC2HOST_IS_RESPONSE(x) ((u32)(x) >= GUC2HOST_RESPONSE_MASK) +#define GUC2HOST_STATUS(x) (GUC2HOST_RESPONSE_MASK | (x)) + +/* GUC will return status back to SOFT_SCRATCH_O_REG */ +enum guc2host_status { + GUC2HOST_STATUS_SUCCESS = GUC2HOST_STATUS(0x0), + GUC2HOST_STATUS_ALLOCATE_DOORBELL_FAIL = GUC2HOST_STATUS(0x10), + GUC2HOST_STATUS_DEALLOCATE_DOORBELL_FAIL = GUC2HOST_STATUS(0x20), + GUC2HOST_STATUS_GENERIC_FAIL = GUC2HOST_STATUS(0x0000F000) +}; + +#endif diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 70bad5b..51cbea8 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1909,7 +1909,7 @@ static void intel_hdmi_destroy(struct drm_connector *connector) } static const struct drm_connector_funcs intel_hdmi_connector_funcs = { - .dpms = intel_connector_dpms, + .dpms = drm_atomic_helper_connector_dpms, .detect = intel_hdmi_detect, .force = intel_hdmi_force, .fill_modes = drm_helper_probe_single_connector_modes, diff --git a/drivers/gpu/drm/i915/intel_hotplug.c b/drivers/gpu/drm/i915/intel_hotplug.c index 3c9171f..032a0bf 100644 --- a/drivers/gpu/drm/i915/intel_hotplug.c +++ b/drivers/gpu/drm/i915/intel_hotplug.c @@ -76,17 +76,23 @@ * it will use i915_hotplug_work_func where this logic is handled. */ -enum port intel_hpd_pin_to_port(enum hpd_pin pin) +bool intel_hpd_pin_to_port(enum hpd_pin pin, enum port *port) { switch (pin) { + case HPD_PORT_A: + *port = PORT_A; + return true; case HPD_PORT_B: - return PORT_B; + *port = PORT_B; + return true; case HPD_PORT_C: - return PORT_C; + *port = PORT_C; + return true; case HPD_PORT_D: - return PORT_D; + *port = PORT_D; + return true; default: - return PORT_A; /* no hpd */ + return false; /* no hpd */ } } @@ -369,8 +375,8 @@ void intel_hpd_irq_handler(struct drm_device *dev, if (!(BIT(i) & pin_mask)) continue; - port = intel_hpd_pin_to_port(i); - is_dig_port = port && dev_priv->hotplug.irq_port[port]; + is_dig_port = intel_hpd_pin_to_port(i, &port) && + dev_priv->hotplug.irq_port[port]; if (is_dig_port) { bool long_hpd = long_mask & BIT(i); diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 9faad82..5bc0ce1 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -497,6 +497,9 @@ void intel_lrc_irq_handler(struct intel_engine_cs *ring) status_id = I915_READ(RING_CONTEXT_STATUS_BUF(ring) + (read_pointer % 6) * 8 + 4); + if (status & GEN8_CTX_STATUS_IDLE_ACTIVE) + continue; + if (status & GEN8_CTX_STATUS_PREEMPTED) { if (status & GEN8_CTX_STATUS_LITE_RESTORE) { if (execlists_check_remove_request(ring, status_id)) @@ -521,7 +524,7 @@ void intel_lrc_irq_handler(struct intel_engine_cs *ring) ring->next_context_status_buffer = write_pointer % 6; I915_WRITE(RING_CONTEXT_STATUS_PTR(ring), - ((u32)ring->next_context_status_buffer & 0x07) << 8); + _MASKED_FIELD(0x07 << 8, ((u32)ring->next_context_status_buffer & 0x07) << 8)); } static int execlists_context_queue(struct drm_i915_gem_request *request) @@ -1740,6 +1743,12 @@ static int intel_lr_context_render_state_init(struct drm_i915_gem_request *req) if (ret) goto out; + ret = req->ring->emit_bb_start(req, + (so.ggtt_offset + so.aux_batch_offset), + I915_DISPATCH_SECURE); + if (ret) + goto out; + i915_vma_move_to_active(i915_gem_obj_to_ggtt(so.obj), req); out: diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index cb634f4..881b5d1 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -549,7 +549,7 @@ static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs }; static const struct drm_connector_funcs intel_lvds_connector_funcs = { - .dpms = intel_connector_dpms, + .dpms = drm_atomic_helper_connector_dpms, .detect = intel_lvds_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = intel_lvds_set_property, diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 5004c4a..fff0c22 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -102,6 +102,12 @@ static void skl_init_clock_gating(struct drm_device *dev) /* WaDisableLSQCROPERFforOCL:skl */ I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) | GEN8_LQSC_RO_PERF_DIS); + + /* WaEnableGapsTsvCreditFix:skl */ + if (IS_SKYLAKE(dev) && (INTEL_REVID(dev) >= SKL_REVID_C0)) { + I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) | + GEN9_GAPS_TSV_CREDIT_DISABLE)); + } } static void bxt_init_clock_gating(struct drm_device *dev) @@ -4266,7 +4272,7 @@ static void ironlake_enable_drps(struct drm_device *dev) if (wait_for_atomic((I915_READ(MEMSWCTL) & MEMCTL_CMD_STS) == 0, 10)) DRM_ERROR("stuck trying to change perf mode\n"); - msleep(1); + mdelay(1); ironlake_set_drps(dev, fstart); @@ -4297,10 +4303,10 @@ static void ironlake_disable_drps(struct drm_device *dev) /* Go back to the starting frequency */ ironlake_set_drps(dev, dev_priv->ips.fstart); - msleep(1); + mdelay(1); rgvswctl |= MEMCTL_CMD_STS; I915_WRITE(MEMSWCTL, rgvswctl); - msleep(1); + mdelay(1); spin_unlock_irq(&mchdev_lock); } diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index acd8ec8..a04b4dc 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -698,6 +698,7 @@ void intel_psr_flush(struct drm_device *dev, struct drm_i915_private *dev_priv = dev->dev_private; struct drm_crtc *crtc; enum pipe pipe; + int delay_ms = HAS_DDI(dev) ? 100 : 500; mutex_lock(&dev_priv->psr.lock); if (!dev_priv->psr.enabled) { @@ -733,7 +734,7 @@ void intel_psr_flush(struct drm_device *dev, if (!dev_priv->psr.active && !dev_priv->psr.busy_frontbuffer_bits) schedule_delayed_work(&dev_priv->psr.work, - msecs_to_jiffies(100)); + msecs_to_jiffies(delay_ms)); mutex_unlock(&dev_priv->psr.lock); } diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 177f7ed..6e6b8db 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -780,11 +780,11 @@ static int wa_add(struct drm_i915_private *dev_priv, return 0; } -#define WA_REG(addr, mask, val) { \ +#define WA_REG(addr, mask, val) do { \ const int r = wa_add(dev_priv, (addr), (mask), (val)); \ if (r) \ return r; \ - } + } while (0) #define WA_SET_BIT_MASKED(addr, mask) \ WA_REG(addr, (mask), _MASKED_BIT_ENABLE(mask)) @@ -1041,13 +1041,6 @@ static int skl_init_workarounds(struct intel_engine_cs *ring) WA_SET_BIT_MASKED(HIZ_CHICKEN, BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE); - if (INTEL_REVID(dev) == SKL_REVID_C0 || - INTEL_REVID(dev) == SKL_REVID_D0) - /* WaBarrierPerformanceFixDisable:skl */ - WA_SET_BIT_MASKED(HDC_CHICKEN0, - HDC_FENCE_DEST_SLM_DISABLE | - HDC_BARRIER_PERFORMANCE_DISABLE); - if (INTEL_REVID(dev) <= SKL_REVID_D0) { /* *Use Force Non-Coherent whenever executing a 3D context. This @@ -1066,6 +1059,13 @@ static int skl_init_workarounds(struct intel_engine_cs *ring) HDC_FENCE_DEST_SLM_DISABLE | HDC_BARRIER_PERFORMANCE_DISABLE); + /* WaDisableSbeCacheDispatchPortSharing:skl */ + if (INTEL_REVID(dev) <= SKL_REVID_F0) { + WA_SET_BIT_MASKED( + GEN7_HALF_SLICE_CHICKEN1, + GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE); + } + return skl_tune_iz_hashing(ring); } diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 6393b76..821644d 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -68,6 +68,22 @@ bool intel_display_power_well_is_enabled(struct drm_i915_private *dev_priv, int power_well_id); +static void intel_power_well_enable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + DRM_DEBUG_KMS("enabling %s\n", power_well->name); + power_well->ops->enable(dev_priv, power_well); + power_well->hw_enabled = true; +} + +static void intel_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + DRM_DEBUG_KMS("disabling %s\n", power_well->name); + power_well->hw_enabled = false; + power_well->ops->disable(dev_priv, power_well); +} + /* * We should only use the power well if we explicitly asked the hardware to * enable it, so check if it's enabled and also check if we've requested it to @@ -1104,11 +1120,8 @@ void intel_display_power_get(struct drm_i915_private *dev_priv, mutex_lock(&power_domains->lock); for_each_power_well(i, power_well, BIT(domain), power_domains) { - if (!power_well->count++) { - DRM_DEBUG_KMS("enabling %s\n", power_well->name); - power_well->ops->enable(dev_priv, power_well); - power_well->hw_enabled = true; - } + if (!power_well->count++) + intel_power_well_enable(dev_priv, power_well); } power_domains->domain_use_count[domain]++; @@ -1142,11 +1155,8 @@ void intel_display_power_put(struct drm_i915_private *dev_priv, for_each_power_well_rev(i, power_well, BIT(domain), power_domains) { WARN_ON(!power_well->count); - if (!--power_well->count && i915.disable_power_well) { - DRM_DEBUG_KMS("disabling %s\n", power_well->name); - power_well->hw_enabled = false; - power_well->ops->disable(dev_priv, power_well); - } + if (!--power_well->count && i915.disable_power_well) + intel_power_well_disable(dev_priv, power_well); } mutex_unlock(&power_domains->lock); diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 2c435a7..c98098e 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1508,53 +1508,6 @@ static void intel_enable_sdvo(struct intel_encoder *encoder) intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output); } -/* Special dpms function to support cloning between dvo/sdvo/crt. */ -static int intel_sdvo_dpms(struct drm_connector *connector, int mode) -{ - struct drm_crtc *crtc; - struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector); - - /* dvo supports only 2 dpms states. */ - if (mode != DRM_MODE_DPMS_ON) - mode = DRM_MODE_DPMS_OFF; - - if (mode == connector->dpms) - return 0; - - connector->dpms = mode; - - /* Only need to change hw state when actually enabled */ - crtc = intel_sdvo->base.base.crtc; - if (!crtc) { - intel_sdvo->base.connectors_active = false; - return 0; - } - - /* We set active outputs manually below in case pipe dpms doesn't change - * due to cloning. */ - if (mode != DRM_MODE_DPMS_ON) { - intel_sdvo_set_active_outputs(intel_sdvo, 0); - if (0) - intel_sdvo_set_encoder_power_state(intel_sdvo, mode); - - intel_sdvo->base.connectors_active = false; - - intel_crtc_update_dpms(crtc); - } else { - intel_sdvo->base.connectors_active = true; - - intel_crtc_update_dpms(crtc); - - if (0) - intel_sdvo_set_encoder_power_state(intel_sdvo, mode); - intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output); - } - - intel_modeset_check_state(connector->dev); - - return 0; -} - static enum drm_mode_status intel_sdvo_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) @@ -2192,7 +2145,7 @@ done: } static const struct drm_connector_funcs intel_sdvo_connector_funcs = { - .dpms = intel_sdvo_dpms, + .dpms = drm_atomic_helper_connector_dpms, .detect = intel_sdvo_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = intel_sdvo_set_property, diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index 8b9d325..0568ae6 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -1509,7 +1509,7 @@ out: } static const struct drm_connector_funcs intel_tv_connector_funcs = { - .dpms = intel_connector_dpms, + .dpms = drm_atomic_helper_connector_dpms, .detect = intel_tv_detect, .destroy = intel_tv_destroy, .set_property = intel_tv_set_property, |
