diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/drm_drv.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 74 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 293 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_opregion.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/mga/mga_dma.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/mga/mga_irq.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/r128/r128_drv.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/r128/r128_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/r128/r128_irq.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_cp.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_irq.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/via/via_irq.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/via/via_map.c | 11 |
17 files changed, 261 insertions, 199 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 3ab1e9c..996097a 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -305,6 +305,8 @@ static void drm_cleanup(struct drm_device * dev) return; } + drm_vblank_cleanup(dev); + drm_lastclose(dev); if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) && diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 15c8dab..1e787f8 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -94,7 +94,7 @@ static void vblank_disable_fn(unsigned long arg) } } -static void drm_vblank_cleanup(struct drm_device *dev) +void drm_vblank_cleanup(struct drm_device *dev) { /* Bail if the driver didn't call drm_vblank_init() */ if (dev->num_crtcs == 0) @@ -278,8 +278,6 @@ int drm_irq_uninstall(struct drm_device * dev) free_irq(dev->pdev->irq, dev); - drm_vblank_cleanup(dev); - return 0; } EXPORT_SYMBOL(drm_irq_uninstall); diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 0d215e3..ba89b42 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -856,6 +856,13 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) spin_lock_init(&dev_priv->user_irq_lock); + ret = drm_vblank_init(dev, I915_NUM_PIPE); + + if (ret) { + (void) i915_driver_unload(dev); + return ret; + } + return ret; } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index ef1c0b8..0a4f39b 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -47,6 +47,8 @@ enum pipe { PIPE_B, }; +#define I915_NUM_PIPE 2 + /* Interface history: * * 1.1: Original. @@ -132,6 +134,7 @@ typedef struct drm_i915_private { int user_irq_refcount; /** Cached value of IMR to avoid reads in updating the bitfield */ u32 irq_mask_reg; + u32 pipestat[2]; int tex_lru_log_granularity; int allow_batchbuffer; @@ -147,6 +150,7 @@ typedef struct drm_i915_private { u32 saveDSPBCNTR; u32 saveDSPARB; u32 saveRENDERSTANDBY; + u32 saveHWS; u32 savePIPEACONF; u32 savePIPEBCONF; u32 savePIPEASRC; @@ -446,6 +450,13 @@ extern int i915_vblank_swap(struct drm_device *dev, void *data, struct drm_file *file_priv); extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask); +void +i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask); + +void +i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask); + + /* i915_mem.c */ extern int i915_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 6b4a2bd..d58ddef 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -31,6 +31,8 @@ #include "i915_drv.h" #include <linux/swap.h> +#define I915_GEM_GPU_DOMAINS (~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT)) + static int i915_gem_object_set_domain(struct drm_gem_object *obj, uint32_t read_domains, @@ -83,20 +85,14 @@ int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { - drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_gem_get_aperture *args = data; - struct drm_i915_gem_object *obj_priv; if (!(dev->driver->driver_features & DRIVER_GEM)) return -ENODEV; args->aper_size = dev->gtt_total; - args->aper_available_size = args->aper_size; - - list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) { - if (obj_priv->pin_count > 0) - args->aper_available_size -= obj_priv->obj->size; - } + args->aper_available_size = (args->aper_size - + atomic_read(&dev->pin_memory)); return 0; } @@ -1870,17 +1866,6 @@ i915_gem_execbuffer(struct drm_device *dev, void *data, for (i = 0; i < args->buffer_count; i++) { struct drm_gem_object *obj = object_list[i]; - struct drm_i915_gem_object *obj_priv = obj->driver_private; - - if (obj_priv->gtt_space == NULL) { - /* We evicted the buffer in the process of validating - * our set of buffers in. We could try to recover by - * kicking them everything out and trying again from - * the start. - */ - ret = -ENOMEM; - goto err; - } /* make sure all previous memory operations have passed */ ret = i915_gem_object_set_domain(obj, @@ -2299,29 +2284,52 @@ i915_gem_idle(struct drm_device *dev) i915_gem_retire_requests(dev); - /* Active and flushing should now be empty as we've - * waited for a sequence higher than any pending execbuffer - */ - BUG_ON(!list_empty(&dev_priv->mm.active_list)); - BUG_ON(!list_empty(&dev_priv->mm.flushing_list)); + if (!dev_priv->mm.wedged) { + /* Active and flushing should now be empty as we've + * waited for a sequence higher than any pending execbuffer + */ + WARN_ON(!list_empty(&dev_priv->mm.active_list)); + WARN_ON(!list_empty(&dev_priv->mm.flushing_list)); + /* Request should now be empty as we've also waited + * for the last request in the list + */ + WARN_ON(!list_empty(&dev_priv->mm.request_list)); + } - /* Request should now be empty as we've also waited - * for the last request in the list + /* Empty the active and flushing lists to inactive. If there's + * anything left at this point, it means that we're wedged and + * nothing good's going to happen by leaving them there. So strip + * the GPU domains and just stuff them onto inactive. */ - BUG_ON(!list_empty(&dev_priv->mm.request_list)); + while (!list_empty(&dev_priv->mm.active_list)) { + struct drm_i915_gem_object *obj_priv; + + obj_priv = list_first_entry(&dev_priv->mm.active_list, + struct drm_i915_gem_object, + list); + obj_priv->obj->write_domain &= ~I915_GEM_GPU_DOMAINS; + i915_gem_object_move_to_inactive(obj_priv->obj); + } + + while (!list_empty(&dev_priv->mm.flushing_list)) { + struct drm_i915_gem_object *obj_priv; + + obj_priv = list_first_entry(&dev_priv->mm.flushing_list, + struct drm_i915_gem_object, + list); + obj_priv->obj->write_domain &= ~I915_GEM_GPU_DOMAINS; + i915_gem_object_move_to_inactive(obj_priv->obj); + } - /* Move all buffers out of the GTT. */ + + /* Move all inactive buffers out of the GTT. */ ret = i915_gem_evict_from_list(dev, &dev_priv->mm.inactive_list); + WARN_ON(!list_empty(&dev_priv->mm.inactive_list)); if (ret) { mutex_unlock(&dev->struct_mutex); return ret; } - BUG_ON(!list_empty(&dev_priv->mm.active_list)); - BUG_ON(!list_empty(&dev_priv->mm.flushing_list)); - BUG_ON(!list_empty(&dev_priv->mm.inactive_list)); - BUG_ON(!list_empty(&dev_priv->mm.request_list)); - i915_gem_cleanup_ringbuffer(dev); mutex_unlock(&dev->struct_mutex); diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 82752d6..69b9a42 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -33,11 +33,23 @@ #define MAX_NOPID ((u32)~0) -/** These are the interrupts used by the driver */ -#define I915_INTERRUPT_ENABLE_MASK (I915_USER_INTERRUPT | \ - I915_ASLE_INTERRUPT | \ - I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | \ - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT) +/** + * Interrupts that are always left unmasked. + * + * Since pipe events are edge-triggered from the PIPESTAT register to IIR, + * we leave them always unmasked in IMR and then control enabling them through + * PIPESTAT alone. + */ +#define I915_INTERRUPT_ENABLE_FIX (I915_ASLE_INTERRUPT | \ + I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | \ + I915_DISPLAY_PIPE_B_EVENT_INTERRUPT) + +/** Interrupts that we mask and unmask at runtime. */ +#define I915_INTERRUPT_ENABLE_VAR (I915_USER_INTERRUPT) + +/** These are all of the interrupts used by the driver */ +#define I915_INTERRUPT_ENABLE_MASK (I915_INTERRUPT_ENABLE_FIX | \ + I915_INTERRUPT_ENABLE_VAR) void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask) @@ -59,6 +71,41 @@ i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask) } } +static inline u32 +i915_pipestat(int pipe) +{ + if (pipe == 0) + return PIPEASTAT; + if (pipe == 1) + return PIPEBSTAT; + BUG(); +} + +void +i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask) +{ + if ((dev_priv->pipestat[pipe] & mask) != mask) { + u32 reg = i915_pipestat(pipe); + + dev_priv->pipestat[pipe] |= mask; + /* Enable the interrupt, clear any pending status */ + I915_WRITE(reg, dev_priv->pipestat[pipe] | (mask >> 16)); + (void) I915_READ(reg); + } +} + +void +i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask) +{ + if ((dev_priv->pipestat[pipe] & mask) != 0) { + u32 reg = i915_pipestat(pipe); + + dev_priv->pipestat[pipe] &= ~mask; + I915_WRITE(reg, dev_priv->pipestat[pipe]); + (void) I915_READ(reg); + } +} + /** * i915_pipe_enabled - check if a pipe is enabled * @dev: DRM device @@ -121,80 +168,102 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) { struct drm_device *dev = (struct drm_device *) arg; drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u32 iir; + u32 iir, new_iir; u32 pipea_stats, pipeb_stats; + u32 vblank_status; + u32 vblank_enable; int vblank = 0; + unsigned long irqflags; + int irq_received; + int ret = IRQ_NONE; atomic_inc(&dev_priv->irq_received); - if (dev->pdev->msi_enabled) - I915_WRITE(IMR, ~0); iir = I915_READ(IIR); - if (iir == 0) { - if (dev->pdev->msi_enabled) { - I915_WRITE(IMR, dev_priv->irq_mask_reg); - (void) I915_READ(IMR); - } - return IRQ_NONE; + if (IS_I965G(dev)) { + vblank_status = I915_START_VBLANK_INTERRUPT_STATUS; + vblank_enable = PIPE_START_VBLANK_INTERRUPT_ENABLE; + } else { + vblank_status = I915_VBLANK_INTERRUPT_STATUS; + vblank_enable = I915_VBLANK_INTERRUPT_ENABLE; } - /* - * Clear the PIPE(A|B)STAT regs before the IIR otherwise - * we may get extra interrupts. - */ - if (iir & I915_DISPLAY_PIPE_A_EVENT_INTERRUPT) { + for (;;) { + irq_received = iir != 0; + + /* Can't rely on pipestat interrupt bit in iir as it might + * have been cleared after the pipestat interrupt was received. + * It doesn't set the bit in iir again, but it still produces + * interrupts (for non-MSI). + */ + spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags); pipea_stats = I915_READ(PIPEASTAT); - if (!(dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)) - pipea_stats &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE | - PIPE_VBLANK_INTERRUPT_ENABLE); - else if (pipea_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS| - PIPE_VBLANK_INTERRUPT_STATUS)) { + pipeb_stats = I915_READ(PIPEBSTAT); + /* + * Clear the PIPE(A|B)STAT regs before the IIR + */ + if (pipea_stats & 0x8000ffff) { + I915_WRITE(PIPEASTAT, pipea_stats); + irq_received = 1; + } + + if (pipeb_stats & 0x8000ffff) { + I915_WRITE(PIPEBSTAT, pipeb_stats); + irq_received = 1; + } + spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags); + + if (!irq_received) + break; + + ret = IRQ_HANDLED; + + I915_WRITE(IIR, iir); + new_iir = I915_READ(IIR); /* Flush posted writes */ + + if (dev_priv->sarea_priv) + dev_priv->sarea_priv->last_dispatch = + READ_BREADCRUMB(dev_priv); + + if (iir & I915_USER_INTERRUPT) { + dev_priv->mm.irq_gem_seqno = i915_get_gem_seqno(dev); + DRM_WAKEUP(&dev_priv->irq_queue); + } + + if (pipea_stats & vblank_status) { vblank++; drm_handle_vblank(dev, 0); } - I915_WRITE(PIPEASTAT, pipea_stats); - } - if (iir & I915_DISPLAY_PIPE_B_EVENT_INTERRUPT) { - pipeb_stats = I915_READ(PIPEBSTAT); - /* Ack the event */ - I915_WRITE(PIPEBSTAT, pipeb_stats); - - /* The vblank interrupt gets enabled even if we didn't ask for - it, so make sure it's shut down again */ - if (!(dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)) - pipeb_stats &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE | - PIPE_VBLANK_INTERRUPT_ENABLE); - else if (pipeb_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS| - PIPE_VBLANK_INTERRUPT_STATUS)) { + if (pipeb_stats & vblank_status) { vblank++; drm_handle_vblank(dev, 1); } - if (pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS) + if ((pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS) || + (iir & I915_ASLE_INTERRUPT)) opregion_asle_intr(dev); - I915_WRITE(PIPEBSTAT, pipeb_stats); - } - - I915_WRITE(IIR, iir); - if (dev->pdev->msi_enabled) - I915_WRITE(IMR, dev_priv->irq_mask_reg); - (void) I915_READ(IIR); /* Flush posted writes */ - - if (dev_priv->sarea_priv) - dev_priv->sarea_priv->last_dispatch = - READ_BREADCRUMB(dev_priv); - if (iir & I915_USER_INTERRUPT) { - dev_priv->mm.irq_gem_seqno = i915_get_gem_seqno(dev); - DRM_WAKEUP(&dev_priv->irq_queue); + /* With MSI, interrupts are only generated when iir + * transitions from zero to nonzero. If another bit got + * set while we were handling the existing iir bits, then + * we would never get another interrupt. + * + * This is fine on non-MSI as well, as if we hit this path + * we avoid exiting the interrupt handler only to generate + * another one. + * + * Note that for MSI this could cause a stray interrupt report + * if an interrupt landed in the time between writing IIR and + * the posting read. This should be rare enough to never + * trigger the 99% of 100,000 interrupts test for disabling + * stray interrupts. + */ + iir = new_iir; } - if (iir & I915_ASLE_INTERRUPT) - opregion_asle_intr(dev); - - return IRQ_HANDLED; + return ret; } static int i915_emit_irq(struct drm_device * dev) @@ -330,48 +399,16 @@ int i915_irq_wait(struct drm_device *dev, void *data, int i915_enable_vblank(struct drm_device *dev, int pipe) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u32 pipestat_reg = 0; - u32 pipestat; - u32 interrupt = 0; unsigned long irqflags; - switch (pipe) { - case 0: - pipestat_reg = PIPEASTAT; - interrupt = I915_DISPLAY_PIPE_A_EVENT_INTERRUPT; - break; - case 1: - pipestat_reg = PIPEBSTAT; - interrupt = I915_DISPLAY_PIPE_B_EVENT_INTERRUPT; - break; - default: - DRM_ERROR("tried to enable vblank on non-existent pipe %d\n", - pipe); - return 0; - } - spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags); - /* Enabling vblank events in IMR comes before PIPESTAT write, or - * there's a race where the PIPESTAT vblank bit gets set to 1, so - * the OR of enabled PIPESTAT bits goes to 1, so the PIPExEVENT in - * ISR flashes to 1, but the IIR bit doesn't get set to 1 because - * IMR masks it. It doesn't ever get set after we clear the masking - * in IMR because the ISR bit is edge, not level-triggered, on the - * OR of PIPESTAT bits. - */ - i915_enable_irq(dev_priv, interrupt); - pipestat = I915_READ(pipestat_reg); if (IS_I965G(dev)) - pipestat |= PIPE_START_VBLANK_INTERRUPT_ENABLE; + i915_enable_pipestat(dev_priv, pipe, + PIPE_START_VBLANK_INTERRUPT_ENABLE); else - pipestat |= PIPE_VBLANK_INTERRUPT_ENABLE; - /* Clear any stale interrupt status */ - pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS | - PIPE_VBLANK_INTERRUPT_STATUS); - I915_WRITE(pipestat_reg, pipestat); - (void) I915_READ(pipestat_reg); /* Posting read */ + i915_enable_pipestat(dev_priv, pipe, + PIPE_VBLANK_INTERRUPT_ENABLE); spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags); - return 0; } @@ -381,37 +418,12 @@ int i915_enable_vblank(struct drm_device *dev, int pipe) void i915_disable_vblank(struct drm_device *dev, int pipe) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u32 pipestat_reg = 0; - u32 pipestat; - u32 interrupt = 0; unsigned long irqflags; - switch (pipe) { - case 0: - pipestat_reg = PIPEASTAT; - interrupt = I915_DISPLAY_PIPE_A_EVENT_INTERRUPT; - break; - case 1: - pipestat_reg = PIPEBSTAT; - interrupt = I915_DISPLAY_PIPE_B_EVENT_INTERRUPT; - break; - default: - DRM_ERROR("tried to disable vblank on non-existent pipe %d\n", - pipe); - return; - break; - } - spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags); - i915_disable_irq(dev_priv, interrupt); - pipestat = I915_READ(pipestat_reg); - pipestat &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE | - PIPE_VBLANK_INTERRUPT_ENABLE); - /* Clear any stale interrupt status */ - pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS | - PIPE_VBLANK_INTERRUPT_STATUS); - I915_WRITE(pipestat_reg, pipestat); - (void) I915_READ(pipestat_reg); /* Posting read */ + i915_disable_pipestat(dev_priv, pipe, + PIPE_VBLANK_INTERRUPT_ENABLE | + PIPE_START_VBLANK_INTERRUPT_ENABLE); spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags); } @@ -476,32 +488,35 @@ void i915_driver_irq_preinstall(struct drm_device * dev) drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; I915_WRITE(HWSTAM, 0xeffe); + I915_WRITE(PIPEASTAT, 0); + I915_WRITE(PIPEBSTAT, 0); I915_WRITE(IMR, 0xffffffff); I915_WRITE(IER, 0x0); + (void) I915_READ(IER); } int i915_driver_irq_postinstall(struct drm_device *dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - int ret, num_pipes = 2; - - /* Set initial unmasked IRQs to just the selected vblank pipes. */ - dev_priv->irq_mask_reg = ~0; - - ret = drm_vblank_init(dev, num_pipes); - if (ret) - return ret; dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B; - dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT; - dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT; dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ - dev_priv->irq_mask_reg &= I915_INTERRUPT_ENABLE_MASK; + /* Unmask the interrupts that we always want on. */ + dev_priv->irq_mask_reg = ~I915_INTERRUPT_ENABLE_FIX; + + dev_priv->pipestat[0] = 0; + dev_priv->pipestat[1] = 0; + + /* Disable pipe interrupt enables, clear pending pipe status */ + I915_WRITE(PIPEASTAT, I915_READ(PIPEASTAT) & 0x8000ffff); + I915_WRITE(PIPEBSTAT, I915_READ(PIPEBSTAT) & 0x8000ffff); + /* Clear pending interrupt status */ + I915_WRITE(IIR, I915_READ(IIR)); - I915_WRITE(IMR, dev_priv->irq_mask_reg); I915_WRITE(IER, I915_INTERRUPT_ENABLE_MASK); + I915_WRITE(IMR, dev_priv->irq_mask_reg); (void) I915_READ(IER); opregion_enable_asle(dev); @@ -513,7 +528,6 @@ int i915_driver_irq_postinstall(struct drm_device *dev) void i915_driver_irq_uninstall(struct drm_device * dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u32 temp; if (!dev_priv) return; @@ -521,13 +535,12 @@ void i915_driver_irq_uninstall(struct drm_device * dev) dev_priv->vblank_pipe = 0; I915_WRITE(HWSTAM, 0xffffffff); + I915_WRITE(PIPEASTAT, 0); + I915_WRITE(PIPEBSTAT, 0); I915_WRITE(IMR, 0xffffffff); I915_WRITE(IER, 0x0); - temp = I915_READ(PIPEASTAT); - I915_WRITE(PIPEASTAT, temp); - temp = I915_READ(PIPEBSTAT); - I915_WRITE(PIPEBSTAT, temp); - temp = I915_READ(IIR); - I915_WRITE(IIR, temp); + I915_WRITE(PIPEASTAT, I915_READ(PIPEASTAT) & 0x8000ffff); + I915_WRITE(PIPEBSTAT, I915_READ(PIPEBSTAT) & 0x8000ffff); + I915_WRITE(IIR, I915_READ(IIR)); } diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c index 1787a0c..13ae731 100644 --- a/drivers/gpu/drm/i915/i915_opregion.c +++ b/drivers/gpu/drm/i915/i915_opregion.c @@ -235,17 +235,15 @@ void opregion_enable_asle(struct drm_device *dev) struct opregion_asle *asle = dev_priv->opregion.asle; if (asle) { - u32 pipeb_stats = I915_READ(PIPEBSTAT); if (IS_MOBILE(dev)) { - /* Many devices trigger events with a write to the - legacy backlight controller, so we need to ensure - that it's able to generate interrupts */ - I915_WRITE(PIPEBSTAT, pipeb_stats |= - I915_LEGACY_BLC_EVENT_ENABLE); - i915_enable_irq(dev_priv, I915_ASLE_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT); - } else - i915_enable_irq(dev_priv, I915_ASLE_INTERRUPT); + unsigned long irqflags; + + spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags); + i915_enable_pipestat(dev_priv, 1, + I915_LEGACY_BLC_EVENT_ENABLE); + spin_unlock_irqrestore(&dev_priv->user_irq_lock, + irqflags); + } asle->tche = ASLE_ALS_EN | ASLE_BLC_EN | ASLE_PFIT_EN | ASLE_PFMB_EN; diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 5ddc6e5..5d84027 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -244,6 +244,9 @@ int i915_save_state(struct drm_device *dev) if (IS_I965G(dev) && IS_MOBILE(dev)) dev_priv->saveRENDERSTANDBY = I915_READ(MCHBAR_RENDER_STANDBY); + /* Hardware status page */ + dev_priv->saveHWS = I915_READ(HWS_PGA); + /* Display arbitration control */ dev_priv->saveDSPARB = I915_READ(DSPARB); @@ -373,6 +376,9 @@ int i915_restore_state(struct drm_device *dev) if (IS_I965G(dev) && IS_MOBILE(dev)) I915_WRITE(MCHBAR_RENDER_STANDBY, dev_priv->saveRENDERSTANDBY); + /* Hardware status page */ + I915_WRITE(HWS_PGA, dev_priv->saveHWS); + /* Display arbitration */ I915_WRITE(DSPARB, dev_priv->saveDSPARB); diff --git a/drivers/gpu/drm/mga/mga_dma.c b/drivers/gpu/drm/mga/mga_dma.c index c1d12dbf..b49c5ff 100644 --- a/drivers/gpu/drm/mga/mga_dma.c +++ b/drivers/gpu/drm/mga/mga_dma.c @@ -396,6 +396,7 @@ int mga_freelist_put(struct drm_device * dev, struct drm_buf * buf) int mga_driver_load(struct drm_device * dev, unsigned long flags) { drm_mga_private_t *dev_priv; + int ret; dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER); if (!dev_priv) @@ -415,6 +416,13 @@ int mga_driver_load(struct drm_device * dev, unsigned long flags) dev->types[7] = _DRM_STAT_PRIMARY; dev->types[8] = _DRM_STAT_SECONDARY; + ret = drm_vblank_init(dev, 1); + + if (ret) { + (void) mga_driver_unload(dev); + return ret; + } + return 0; } diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c index bab42f4..daa6041 100644 --- a/drivers/gpu/drm/mga/mga_irq.c +++ b/drivers/gpu/drm/mga/mga_irq.c @@ -152,11 +152,6 @@ void mga_driver_irq_preinstall(struct drm_device * dev) int mga_driver_irq_postinstall(struct drm_device *dev) { drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private; - int ret; - - ret = drm_vblank_init(dev, 1); - if (ret) - return ret; DRM_INIT_WAITQUEUE(&dev_priv->fence_queue); diff --git a/drivers/gpu/drm/r128/r128_drv.c b/drivers/gpu/drm/r128/r128_drv.c index 3265d53..601f4c0 100644 --- a/drivers/gpu/drm/r128/r128_drv.c +++ b/drivers/gpu/drm/r128/r128_drv.c @@ -45,6 +45,7 @@ static struct drm_driver driver = { DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED, .dev_priv_size = sizeof(drm_r128_buf_priv_t), + .load = r128_driver_load, .preclose = r128_driver_preclose, .lastclose = r128_driver_lastclose, .get_vblank_counter = r128_get_vblank_counter, @@ -84,6 +85,11 @@ static struct drm_driver driver = { .patchlevel = DRIVER_PATCHLEVEL, }; +int r128_driver_load(struct drm_device * dev, unsigned long flags) +{ + return drm_vblank_init(dev, 1); +} + static int __init r128_init(void) { driver.num_ioctls = r128_max_ioctl; diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h index 5898b27..797a26c 100644 --- a/drivers/gpu/drm/r128/r128_drv.h +++ b/drivers/gpu/drm/r128/r128_drv.h @@ -159,6 +159,7 @@ extern void r128_driver_irq_preinstall(struct drm_device * dev); extern int r128_driver_irq_postinstall(struct drm_device *dev); extern void r128_driver_irq_uninstall(struct drm_device * dev); extern void r128_driver_lastclose(struct drm_device * dev); +extern int r128_driver_load(struct drm_device * dev, unsigned long flags); extern void r128_driver_preclose(struct drm_device * dev, struct drm_file *file_priv); diff --git a/drivers/gpu/drm/r128/r128_irq.c b/drivers/gpu/drm/r128/r128_irq.c index d734901..69810fb 100644 --- a/drivers/gpu/drm/r128/r128_irq.c +++ b/drivers/gpu/drm/r128/r128_irq.c @@ -102,7 +102,7 @@ void r128_driver_irq_preinstall(struct drm_device * dev) int r128_driver_irq_postinstall(struct drm_device *dev) { - return drm_vblank_init(dev, 1); + return 0; } void r128_driver_irq_uninstall(struct drm_device * dev) diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c index abdc1ae..dcebb4b 100644 --- a/drivers/gpu/drm/radeon/radeon_cp.c +++ b/drivers/gpu/drm/radeon/radeon_cp.c @@ -1757,6 +1757,12 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags) if (ret != 0) return ret; + ret = drm_vblank_init(dev, 2); + if (ret) { + radeon_driver_unload(dev); + return ret; + } + DRM_DEBUG("%s card detected\n", ((dev_priv->flags & RADEON_IS_AGP) ? "AGP" : (((dev_priv->flags & RADEON_IS_PCIE) ? "PCIE" : "PCI")))); return ret; diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c index 5079f70..97c0599 100644 --- a/drivers/gpu/drm/radeon/radeon_irq.c +++ b/drivers/gpu/drm/radeon/radeon_irq.c @@ -337,15 +337,10 @@ int radeon_driver_irq_postinstall(struct drm_device *dev) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; - int ret; atomic_set(&dev_priv->swi_emitted, 0); DRM_INIT_WAITQUEUE(&dev_priv->swi_queue); - ret = drm_vblank_init(dev, 2); - if (ret) - return ret; - dev->max_vblank_count = 0x001fffff; radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1); diff --git a/drivers/gpu/drm/via/via_irq.c b/drivers/gpu/drm/via/via_irq.c index 665d319..c248c1d 100644 --- a/drivers/gpu/drm/via/via_irq.c +++ b/drivers/gpu/drm/via/via_irq.c @@ -314,7 +314,6 @@ int via_driver_irq_postinstall(struct drm_device *dev) if (!dev_priv) return -EINVAL; - drm_vblank_init(dev, 1); status = VIA_READ(VIA_REG_INTERRUPT); VIA_WRITE(VIA_REG_INTERRUPT, status | VIA_IRQ_GLOBAL | dev_priv->irq_enable_mask); diff --git a/drivers/gpu/drm/via/via_map.c b/drivers/gpu/drm/via/via_map.c index a967556..2c4f0b4 100644 --- a/drivers/gpu/drm/via/via_map.c +++ b/drivers/gpu/drm/via/via_map.c @@ -107,8 +107,17 @@ int via_driver_load(struct drm_device *dev, unsigned long chipset) ret = drm_sman_init(&dev_priv->sman, 2, 12, 8); if (ret) { drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER); + return ret; } - return ret; + + ret = drm_vblank_init(dev, 1); + if (ret) { + drm_sman_takedown(&dev_priv->sman); + drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER); + return ret; + } + + return 0; } int via_driver_unload(struct drm_device *dev) |
