diff options
49 files changed, 657 insertions, 462 deletions
diff --git a/Documentation/DocBook/gpu.tmpl b/Documentation/DocBook/gpu.tmpl index 1464fb2..56386d3 100644 --- a/Documentation/DocBook/gpu.tmpl +++ b/Documentation/DocBook/gpu.tmpl @@ -1817,7 +1817,7 @@ void intel_crt_init(struct drm_device *dev) </tr> <tr> <td rowspan="42" valign="top" >DRM</td> - <td valign="top" >Generic</td> + <td rowspan="2" valign="top" >Generic</td> <td valign="top" >“rotation”</td> <td valign="top" >BITMASK</td> <td valign="top" >{ 0, "rotate-0" }, @@ -1832,6 +1832,13 @@ void intel_crt_init(struct drm_device *dev) image along the specified axis prior to rotation</td> </tr> <tr> + <td valign="top" >“scaling mode”</td> + <td valign="top" >ENUM</td> + <td valign="top" >{ "None", "Full", "Center", "Full aspect" }</td> + <td valign="top" >Connector</td> + <td valign="top" >Supported by: amdgpu, gma500, i915, nouveau and radeon.</td> + </tr> + <tr> <td rowspan="5" valign="top" >Connector</td> <td valign="top" >“EDID”</td> <td valign="top" >BLOB | IMMUTABLE</td> @@ -2068,21 +2075,12 @@ void intel_crt_init(struct drm_device *dev) <td valign="top" >property to suggest an Y offset for a connector</td> </tr> <tr> - <td rowspan="8" valign="top" >Optional</td> - <td valign="top" >“scaling mode”</td> - <td valign="top" >ENUM</td> - <td valign="top" >{ "None", "Full", "Center", "Full aspect" }</td> - <td valign="top" >Connector</td> - <td valign="top" >TBD</td> - </tr> - <tr> + <td rowspan="7" valign="top" >Optional</td> <td valign="top" >"aspect ratio"</td> <td valign="top" >ENUM</td> <td valign="top" >{ "None", "4:3", "16:9" }</td> <td valign="top" >Connector</td> - <td valign="top" >DRM property to set aspect ratio from user space app. - This enum is made generic to allow addition of custom aspect - ratios.</td> + <td valign="top" >TDB</td> </tr> <tr> <td valign="top" >“dirty”</td> diff --git a/MAINTAINERS b/MAINTAINERS index f262128..8c10b4c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3768,6 +3768,21 @@ F: drivers/gpu/vga/ F: include/drm/ F: include/uapi/drm/ +DRM DRIVER FOR AST SERVER GRAPHICS CHIPS +M: Dave Airlie <airlied@redhat.com> +S: Odd Fixes +F: drivers/gpu/drm/ast/ + +DRM DRIVER FOR BOCHS VIRTUAL GPU +M: Gerd Hoffmann <kraxel@redhat.com> +S: Odd Fixes +F: drivers/gpu/drm/bochs/ + +DRM DRIVER FOR QEMU'S CIRRUS DEVICE +M: Dave Airlie <airlied@redhat.com> +S: Odd Fixes +F: drivers/gpu/drm/cirrus/ + RADEON and AMDGPU DRM DRIVERS M: Alex Deucher <alexander.deucher@amd.com> M: Christian König <christian.koenig@amd.com> @@ -3800,7 +3815,7 @@ T: git git://anongit.freedesktop.org/drm-intel S: Supported F: drivers/gpu/drm/i915/ F: include/drm/i915* -F: include/uapi/drm/i915* +F: include/uapi/drm/i915_drm.h DRM DRIVERS FOR ATMEL HLCDC M: Boris Brezillon <boris.brezillon@free-electrons.com> @@ -3825,8 +3840,8 @@ L: dri-devel@lists.freedesktop.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git S: Supported F: drivers/gpu/drm/exynos/ -F: include/drm/exynos* -F: include/uapi/drm/exynos* +F: include/uapi/drm/exynos_drm.h +F: Documentation/devicetree/bindings/display/exynos/ DRM DRIVERS FOR FREESCALE DCU M: Stefan Agner <stefan@agner.ch> @@ -3863,6 +3878,31 @@ S: Maintained F: drivers/gpu/drm/hisilicon/ F: Documentation/devicetree/bindings/display/hisilicon/ +DRM DRIVER FOR INTEL I810 VIDEO CARDS +S: Orphan / Obsolete +F: drivers/gpu/drm/i810/ +F: include/uapi/drm/i810_drm.h + +DRM DRIVER FOR MSM ADRENO GPU +M: Rob Clark <robdclark@gmail.com> +L: linux-arm-msm@vger.kernel.org +L: dri-devel@lists.freedesktop.org +L: freedreno@lists.freedesktop.org +T: git git://people.freedesktop.org/~robclark/linux +S: Maintained +F: drivers/gpu/drm/msm/ +F: include/uapi/drm/msm_drm.h +F: Documentation/devicetree/bindings/display/msm/ + +DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS +M: Ben Skeggs <bskeggs@redhat.com> +L: dri-devel@lists.freedesktop.org +L: nouveau@lists.freedesktop.org +T: git git://github.com/skeggsb/linux +S: Supported +F: drivers/gpu/drm/nouveau/ +F: include/uapi/drm/nouveau_drm.h + DRM DRIVERS FOR NVIDIA TEGRA M: Thierry Reding <thierry.reding@gmail.com> M: Terje Bergström <tbergstrom@nvidia.com> @@ -3876,22 +3916,54 @@ F: include/linux/host1x.h F: include/uapi/drm/tegra_drm.h F: Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt +DRM DRIVER FOR MATROX G200/G400 GRAPHICS CARDS +S: Orphan / Obsolete +F: drivers/gpu/drm/mga/ +F: include/uapi/drm/mga_drm.h + +DRM DRIVER FOR MGA G200 SERVER GRAPHICS CHIPS +M: Dave Airlie <airlied@redhat.com> +S: Odd Fixes +F: drivers/gpu/drm/mgag200/ + +DRM DRIVER FOR RAGE 128 VIDEO CARDS +S: Orphan / Obsolete +F: drivers/gpu/drm/r128/ +F: include/uapi/drm/r128_drm.h + DRM DRIVERS FOR RENESAS M: Laurent Pinchart <laurent.pinchart@ideasonboard.com> L: dri-devel@lists.freedesktop.org L: linux-renesas-soc@vger.kernel.org -T: git git://people.freedesktop.org/~airlied/linux +T: git git://linuxtv.org/pinchartl/fbdev S: Supported F: drivers/gpu/drm/rcar-du/ F: drivers/gpu/drm/shmobile/ F: include/linux/platform_data/shmob_drm.h +F: Documentation/devicetree/bindings/display/renesas,du.txt + +DRM DRIVER FOR QXL VIRTUAL GPU +M: Dave Airlie <airlied@redhat.com> +S: Odd Fixes +F: drivers/gpu/drm/qxl/ +F: include/uapi/drm/qxl_drm.h DRM DRIVERS FOR ROCKCHIP M: Mark Yao <mark.yao@rock-chips.com> L: dri-devel@lists.freedesktop.org S: Maintained F: drivers/gpu/drm/rockchip/ -F: Documentation/devicetree/bindings/display/rockchip* +F: Documentation/devicetree/bindings/display/rockchip/ + +DRM DRIVER FOR SAVAGE VIDEO CARDS +S: Orphan / Obsolete +F: drivers/gpu/drm/savage/ +F: include/uapi/drm/savage_drm.h + +DRM DRIVER FOR SIS VIDEO CARDS +S: Orphan / Obsolete +F: drivers/gpu/drm/sis/ +F: include/uapi/drm/sis_drm.h DRM DRIVERS FOR STI M: Benjamin Gaignard <benjamin.gaignard@linaro.org> @@ -3902,14 +3974,43 @@ S: Maintained F: drivers/gpu/drm/sti F: Documentation/devicetree/bindings/display/st,stih4xx.txt +DRM DRIVER FOR TDFX VIDEO CARDS +S: Orphan / Obsolete +F: drivers/gpu/drm/tdfx/ + +DRM DRIVER FOR USB DISPLAYLINK VIDEO ADAPTERS +M: Dave Airlie <airlied@redhat.com> +S: Odd Fixes +F: drivers/gpu/drm/udl/ + DRM DRIVERS FOR VIVANTE GPU IP M: Lucas Stach <l.stach@pengutronix.de> R: Russell King <linux+etnaviv@arm.linux.org.uk> R: Christian Gmeiner <christian.gmeiner@gmail.com> L: dri-devel@lists.freedesktop.org S: Maintained -F: drivers/gpu/drm/etnaviv -F: Documentation/devicetree/bindings/display/etnaviv +F: drivers/gpu/drm/etnaviv/ +F: include/uapi/drm/etnaviv_drm.h +F: Documentation/devicetree/bindings/display/etnaviv/ + +DRM DRIVER FOR VMWARE VIRTUAL GPU +M: "VMware Graphics" <linux-graphics-maintainer@vmware.com> +M: Sinclair Yeh <syeh@vmware.com> +M: Thomas Hellstrom <thellstrom@vmware.com> +L: dri-devel@lists.freedesktop.org +T: git git://people.freedesktop.org/~syeh/repos_linux +T: git git://people.freedesktop.org/~thomash/linux +S: Supported +F: drivers/gpu/drm/vmwgfx/ +F: include/uapi/drm/vmwgfx_drm.h + +DRM DRIVERS FOR VC4 +M: Eric Anholt <eric@anholt.net> +T: git git://github.com/anholt/linux +S: Supported +F: drivers/gpu/drm/vc4/ +F: include/uapi/drm/vc4_drm.h +F: Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt DSBR100 USB FM RADIO DRIVER M: Alexey Klimov <klimov.linux@gmail.com> @@ -6931,6 +7032,8 @@ MARVELL ARMADA DRM SUPPORT M: Russell King <rmk+kernel@arm.linux.org.uk> S: Maintained F: drivers/gpu/drm/armada/ +F: include/uapi/drm/armada_drm.h +F: Documentation/devicetree/bindings/display/armada/ MARVELL 88E6352 DSA support M: Guenter Roeck <linux@roeck-us.net> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 87f9ab6..16e4c21 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -52,6 +52,7 @@ config DRM_KMS_FB_HELPER select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + select FB_DEFERRED_IO help FBDEV helpers for KMS drivers. diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 93462ae..44955f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -514,7 +514,7 @@ static struct drm_driver kms_driver = { .irq_uninstall = amdgpu_irq_uninstall, .irq_handler = amdgpu_irq_handler, .ioctls = amdgpu_ioctls_kms, - .gem_free_object = amdgpu_gem_object_free, + .gem_free_object_unlocked = amdgpu_gem_object_free, .gem_open_object = amdgpu_gem_object_open, .gem_close_object = amdgpu_gem_object_close, .dumb_create = amdgpu_mode_dumb_create, diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index 6de2ce53..92c5a71 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -3370,7 +3370,7 @@ static int dce_v10_0_pageflip_irq(struct amdgpu_device *adev, /* wakeup usersapce */ if (works->event) - drm_send_vblank_event(adev->ddev, crtc_id, works->event); + drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event); spin_unlock_irqrestore(&adev->ddev->event_lock, flags); diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index e9ccc6b..2f784f2 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -3366,7 +3366,7 @@ static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev, /* wakeup usersapce */ if(works->event) - drm_send_vblank_event(adev->ddev, crtc_id, works->event); + drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event); spin_unlock_irqrestore(&adev->ddev->event_lock, flags); diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index e56b55d..9155e3b 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -3379,7 +3379,7 @@ static int dce_v8_0_pageflip_irq(struct amdgpu_device *adev, /* wakeup usersapce */ if (works->event) - drm_send_vblank_event(adev->ddev, crtc_id, works->event); + drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event); spin_unlock_irqrestore(&adev->ddev->event_lock, flags); diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c index 3ac1ae4..734899c 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.c +++ b/drivers/gpu/drm/arm/hdlcd_drv.c @@ -113,7 +113,7 @@ static void hdlcd_fb_output_poll_changed(struct drm_device *drm) } static int hdlcd_atomic_commit(struct drm_device *dev, - struct drm_atomic_state *state, bool async) + struct drm_atomic_state *state, bool nonblock) { return drm_atomic_helper_commit(dev, state, false); } diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 2fabd8c..69adcf3 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -145,7 +145,7 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state) continue; /* - * FIXME: Async commits can race with connector unplugging and + * FIXME: Nonblocking commits can race with connector unplugging and * there's currently nothing that prevents cleanup up state for * deleted connectors. As long as the callback doesn't look at * the connector we'll be fine though, so make sure that's the @@ -263,6 +263,8 @@ drm_atomic_get_crtc_state(struct drm_atomic_state *state, int ret, index = drm_crtc_index(crtc); struct drm_crtc_state *crtc_state; + WARN_ON(!state->acquire_ctx); + crtc_state = drm_atomic_get_existing_crtc_state(state, crtc); if (crtc_state) return crtc_state; @@ -622,6 +624,8 @@ drm_atomic_get_plane_state(struct drm_atomic_state *state, int ret, index = drm_plane_index(plane); struct drm_plane_state *plane_state; + WARN_ON(!state->acquire_ctx); + plane_state = drm_atomic_get_existing_plane_state(state, plane); if (plane_state) return plane_state; @@ -890,6 +894,8 @@ drm_atomic_get_connector_state(struct drm_atomic_state *state, struct drm_mode_config *config = &connector->dev->mode_config; struct drm_connector_state *connector_state; + WARN_ON(!state->acquire_ctx); + ret = drm_modeset_lock(&config->connection_mutex, state->acquire_ctx); if (ret) return ERR_PTR(ret); @@ -1390,7 +1396,7 @@ int drm_atomic_commit(struct drm_atomic_state *state) EXPORT_SYMBOL(drm_atomic_commit); /** - * drm_atomic_async_commit - atomic&async configuration commit + * drm_atomic_nonblocking_commit - atomic&nonblocking configuration commit * @state: atomic configuration to check * * Note that this function can return -EDEADLK if the driver needed to acquire @@ -1405,7 +1411,7 @@ EXPORT_SYMBOL(drm_atomic_commit); * Returns: * 0 on success, negative error code on failure. */ -int drm_atomic_async_commit(struct drm_atomic_state *state) +int drm_atomic_nonblocking_commit(struct drm_atomic_state *state) { struct drm_mode_config *config = &state->dev->mode_config; int ret; @@ -1414,11 +1420,11 @@ int drm_atomic_async_commit(struct drm_atomic_state *state) if (ret) return ret; - DRM_DEBUG_ATOMIC("commiting %p asynchronously\n", state); + DRM_DEBUG_ATOMIC("commiting %p nonblocking\n", state); return config->funcs->atomic_commit(state->dev, state, true); } -EXPORT_SYMBOL(drm_atomic_async_commit); +EXPORT_SYMBOL(drm_atomic_nonblocking_commit); /* * The big monstor ioctl @@ -1687,7 +1693,7 @@ retry: */ ret = drm_atomic_check_only(state); } else if (arg->flags & DRM_MODE_ATOMIC_NONBLOCK) { - ret = drm_atomic_async_commit(state); + ret = drm_atomic_nonblocking_commit(state); } else { ret = drm_atomic_commit(state); } diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index d25abce..92e11a2 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1114,13 +1114,13 @@ EXPORT_SYMBOL(drm_atomic_helper_wait_for_vblanks); * drm_atomic_helper_commit - commit validated state object * @dev: DRM device * @state: the driver state object - * @async: asynchronous commit + * @nonblocking: whether nonblocking behavior is requested. * * This function commits a with drm_atomic_helper_check() pre-validated state * object. This can still fail when e.g. the framebuffer reservation fails. For - * now this doesn't implement asynchronous commits. + * now this doesn't implement nonblocking commits. * - * Note that right now this function does not support async commits, and hence + * Note that right now this function does not support nonblocking commits, hence * driver writers must implement their own version for now. Also note that the * default ordering of how the various stages are called is to match the legacy * modeset helper library closest. One peculiarity of that is that it doesn't @@ -1141,11 +1141,11 @@ EXPORT_SYMBOL(drm_atomic_helper_wait_for_vblanks); */ int drm_atomic_helper_commit(struct drm_device *dev, struct drm_atomic_state *state, - bool async) + bool nonblock) { int ret; - if (async) + if (nonblock) return -EBUSY; ret = drm_atomic_helper_prepare_planes(dev, state); @@ -1195,20 +1195,20 @@ int drm_atomic_helper_commit(struct drm_device *dev, EXPORT_SYMBOL(drm_atomic_helper_commit); /** - * DOC: implementing async commit + * DOC: implementing nonblocking commit * - * For now the atomic helpers don't support async commit directly. If there is - * real need it could be added though, using the dma-buf fence infrastructure - * for generic synchronization with outstanding rendering. + * For now the atomic helpers don't support nonblocking commit directly. If + * there is real need it could be added though, using the dma-buf fence + * infrastructure for generic synchronization with outstanding rendering. * - * For now drivers have to implement async commit themselves, with the following - * sequence being the recommended one: + * For now drivers have to implement nonblocking commit themselves, with the + * following sequence being the recommended one: * * 1. Run drm_atomic_helper_prepare_planes() first. This is the only function * which commit needs to call which can fail, so we want to run it first and * synchronously. * - * 2. Synchronize with any outstanding asynchronous commit worker threads which + * 2. Synchronize with any outstanding nonblocking commit worker threads which * might be affected the new state update. This can be done by either cancelling * or flushing the work items, depending upon whether the driver can deal with * cancelled updates. Note that it is important to ensure that the framebuffer @@ -1222,9 +1222,9 @@ EXPORT_SYMBOL(drm_atomic_helper_commit); * 3. The software state is updated synchronously with * drm_atomic_helper_swap_state(). Doing this under the protection of all modeset * locks means concurrent callers never see inconsistent state. And doing this - * while it's guaranteed that no relevant async worker runs means that async - * workers do not need grab any locks. Actually they must not grab locks, for - * otherwise the work flushing will deadlock. + * while it's guaranteed that no relevant nonblocking worker runs means that + * nonblocking workers do not need grab any locks. Actually they must not grab + * locks, for otherwise the work flushing will deadlock. * * 4. Schedule a work item to do all subsequent steps, using the split-out * commit helpers: a) pre-plane commit b) plane commit c) post-plane commit and @@ -2371,11 +2371,11 @@ retry: goto fail; } - ret = drm_atomic_async_commit(state); + ret = drm_atomic_nonblocking_commit(state); if (ret != 0) goto fail; - /* Driver takes ownership of state on successful async commit. */ + /* Driver takes ownership of state on successful commit. */ return 0; fail: if (ret == -EDEADLK) diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c index bb88e3d..086f600 100644 --- a/drivers/gpu/drm/drm_fb_cma_helper.c +++ b/drivers/gpu/drm/drm_fb_cma_helper.c @@ -25,6 +25,8 @@ #include <drm/drm_fb_cma_helper.h> #include <linux/module.h> +#define DEFAULT_FBDEFIO_DELAY_MS 50 + struct drm_fb_cma { struct drm_framebuffer fb; struct drm_gem_cma_object *obj[4]; @@ -35,6 +37,61 @@ struct drm_fbdev_cma { struct drm_fb_cma *fb; }; +/** + * DOC: framebuffer cma helper functions + * + * Provides helper functions for creating a cma (contiguous memory allocator) + * backed framebuffer. + * + * drm_fb_cma_create() is used in the + * (struct drm_mode_config_funcs *)->fb_create callback function to create the + * cma backed framebuffer. + * + * An fbdev framebuffer backed by cma is also available by calling + * drm_fbdev_cma_init(). drm_fbdev_cma_fini() tears it down. + * If CONFIG_FB_DEFERRED_IO is enabled and the callback + * (struct drm_framebuffer_funcs)->dirty is set, fb_deferred_io + * will be set up automatically. dirty() is called by + * drm_fb_helper_deferred_io() in process context (struct delayed_work). + * + * Example fbdev deferred io code: + * + * static int driver_fbdev_fb_dirty(struct drm_framebuffer *fb, + * struct drm_file *file_priv, + * unsigned flags, unsigned color, + * struct drm_clip_rect *clips, + * unsigned num_clips) + * { + * struct drm_gem_cma_object *cma = drm_fb_cma_get_gem_obj(fb, 0); + * ... push changes ... + * return 0; + * } + * + * static struct drm_framebuffer_funcs driver_fbdev_fb_funcs = { + * .destroy = drm_fb_cma_destroy, + * .create_handle = drm_fb_cma_create_handle, + * .dirty = driver_fbdev_fb_dirty, + * }; + * + * static int driver_fbdev_create(struct drm_fb_helper *helper, + * struct drm_fb_helper_surface_size *sizes) + * { + * return drm_fbdev_cma_create_with_funcs(helper, sizes, + * &driver_fbdev_fb_funcs); + * } + * + * static const struct drm_fb_helper_funcs driver_fb_helper_funcs = { + * .fb_probe = driver_fbdev_create, + * }; + * + * Initialize: + * fbdev = drm_fbdev_cma_init_with_funcs(dev, 16, + * dev->mode_config.num_crtc, + * dev->mode_config.num_connector, + * &driver_fb_helper_funcs); + * + */ + static inline struct drm_fbdev_cma *to_fbdev_cma(struct drm_fb_helper *helper) { return container_of(helper, struct drm_fbdev_cma, fb_helper); @@ -45,7 +102,7 @@ static inline struct drm_fb_cma *to_fb_cma(struct drm_framebuffer *fb) return container_of(fb, struct drm_fb_cma, fb); } -static void drm_fb_cma_destroy(struct drm_framebuffer *fb) +void drm_fb_cma_destroy(struct drm_framebuffer *fb) { struct drm_fb_cma *fb_cma = to_fb_cma(fb); int i; @@ -58,8 +115,9 @@ static void drm_fb_cma_destroy(struct drm_framebuffer *fb) drm_framebuffer_cleanup(fb); kfree(fb_cma); } +EXPORT_SYMBOL(drm_fb_cma_destroy); -static int drm_fb_cma_create_handle(struct drm_framebuffer *fb, +int drm_fb_cma_create_handle(struct drm_framebuffer *fb, struct drm_file *file_priv, unsigned int *handle) { struct drm_fb_cma *fb_cma = to_fb_cma(fb); @@ -67,6 +125,7 @@ static int drm_fb_cma_create_handle(struct drm_framebuffer *fb, return drm_gem_handle_create(file_priv, &fb_cma->obj[0]->base, handle); } +EXPORT_SYMBOL(drm_fb_cma_create_handle); static struct drm_framebuffer_funcs drm_fb_cma_funcs = { .destroy = drm_fb_cma_destroy, @@ -76,7 +135,7 @@ static struct drm_framebuffer_funcs drm_fb_cma_funcs = { static struct drm_fb_cma *drm_fb_cma_alloc(struct drm_device *dev, const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_cma_object **obj, - unsigned int num_planes) + unsigned int num_planes, struct drm_framebuffer_funcs *funcs) { struct drm_fb_cma *fb_cma; int ret; @@ -91,7 +150,7 @@ static struct drm_fb_cma *drm_fb_cma_alloc(struct drm_device *dev, for (i = 0; i < num_planes; i++) fb_cma->obj[i] = obj[i]; - ret = drm_framebuffer_init(dev, &fb_cma->fb, &drm_fb_cma_funcs); + ret = drm_framebuffer_init(dev, &fb_cma->fb, funcs); if (ret) { dev_err(dev->dev, "Failed to initialize framebuffer: %d\n", ret); kfree(fb_cma); @@ -145,7 +204,7 @@ struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev, objs[i] = to_drm_gem_cma_obj(obj); } - fb_cma = drm_fb_cma_alloc(dev, mode_cmd, objs, i); + fb_cma = drm_fb_cma_alloc(dev, mode_cmd, objs, i, &drm_fb_cma_funcs); if (IS_ERR(fb_cma)) { ret = PTR_ERR(fb_cma); goto err_gem_object_unreference; @@ -233,8 +292,67 @@ static struct fb_ops drm_fbdev_cma_ops = { .fb_setcmap = drm_fb_helper_setcmap, }; -static int drm_fbdev_cma_create(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) +static int drm_fbdev_cma_deferred_io_mmap(struct fb_info *info, + struct vm_area_struct *vma) +{ + fb_deferred_io_mmap(info, vma); + vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); + + return 0; +} + +static int drm_fbdev_cma_defio_init(struct fb_info *fbi, + struct drm_gem_cma_object *cma_obj) +{ + struct fb_deferred_io *fbdefio; + struct fb_ops *fbops; + + /* + * Per device structures are needed because: + * fbops: fb_deferred_io_cleanup() clears fbops.fb_mmap + * fbdefio: individual delays + */ + fbdefio = kzalloc(sizeof(*fbdefio), GFP_KERNEL); + fbops = kzalloc(sizeof(*fbops), GFP_KERNEL); + if (!fbdefio || !fbops) { + kfree(fbdefio); + return -ENOMEM; + } + + /* can't be offset from vaddr since dirty() uses cma_obj */ + fbi->screen_buffer = cma_obj->vaddr; + /* fb_deferred_io_fault() needs a physical address */ + fbi->fix.smem_start = page_to_phys(virt_to_page(fbi->screen_buffer)); + + *fbops = *fbi->fbops; + fbi->fbops = fbops; + + fbdefio->delay = msecs_to_jiffies(DEFAULT_FBDEFIO_DELAY_MS); + fbdefio->deferred_io = drm_fb_helper_deferred_io; + fbi->fbdefio = fbdefio; + fb_deferred_io_init(fbi); + fbi->fbops->fb_mmap = drm_fbdev_cma_deferred_io_mmap; + + return 0; +} + +static void drm_fbdev_cma_defio_fini(struct fb_info *fbi) +{ + if (!fbi->fbdefio) + return; + + fb_deferred_io_cleanup(fbi); + kfree(fbi->fbdefio); + kfree(fbi->fbops); +} + +/* + * For use in a (struct drm_fb_helper_funcs *)->fb_probe callback function that + * needs custom struct drm_framebuffer_funcs, like dirty() for deferred_io use. + */ +int drm_fbdev_cma_create_with_funcs(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes, + struct drm_framebuffer_funcs *funcs) { struct drm_fbdev_cma *fbdev_cma = to_fbdev_cma(helper); struct drm_mode_fb_cmd2 mode_cmd = { 0 }; @@ -270,7 +388,7 @@ static int drm_fbdev_cma_create(struct drm_fb_helper *helper, goto err_gem_free_object; } - fbdev_cma->fb = drm_fb_cma_alloc(dev, &mode_cmd, &obj, 1); + fbdev_cma->fb = drm_fb_cma_alloc(dev, &mode_cmd, &obj, 1, funcs); if (IS_ERR(fbdev_cma->fb)) { dev_err(dev->dev, "Failed to allocate DRM framebuffer.\n"); ret = PTR_ERR(fbdev_cma->fb); @@ -296,31 +414,48 @@ static int drm_fbdev_cma_create(struct drm_fb_helper *helper, fbi->screen_size = size; fbi->fix.smem_len = size; + if (funcs->dirty) { + ret = drm_fbdev_cma_defio_init(fbi, obj); + if (ret) + goto err_cma_destroy; + } + return 0; +err_cma_destroy: + drm_framebuffer_unregister_private(&fbdev_cma->fb->fb); + drm_fb_cma_destroy(&fbdev_cma->fb->fb); err_fb_info_destroy: drm_fb_helper_release_fbi(helper); err_gem_free_object: dev->driver->gem_free_object(&obj->base); return ret; } +EXPORT_SYMBOL(drm_fbdev_cma_create_with_funcs); + +static int drm_fbdev_cma_create(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes) +{ + return drm_fbdev_cma_create_with_funcs(helper, sizes, &drm_fb_cma_funcs); +} static const struct drm_fb_helper_funcs drm_fb_cma_helper_funcs = { .fb_probe = drm_fbdev_cma_create, }; /** - * drm_fbdev_cma_init() - Allocate and initializes a drm_fbdev_cma struct + * drm_fbdev_cma_init_with_funcs() - Allocate and initializes a drm_fbdev_cma struct * @dev: DRM device * @preferred_bpp: Preferred bits per pixel for the device * @num_crtc: Number of CRTCs * @max_conn_count: Maximum number of connectors + * @funcs: fb helper functions, in particular fb_probe() * * Returns a newly allocated drm_fbdev_cma struct or a ERR_PTR. */ -struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev, +struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs(struct drm_device *dev, unsigned int preferred_bpp, unsigned int num_crtc, - unsigned int max_conn_count) + unsigned int max_conn_count, const struct drm_fb_helper_funcs *funcs) { struct drm_fbdev_cma *fbdev_cma; struct drm_fb_helper *helper; @@ -334,7 +469,7 @@ struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev, helper = &fbdev_cma->fb_helper; - drm_fb_helper_prepare(dev, helper, &drm_fb_cma_helper_funcs); + drm_fb_helper_prepare(dev, helper, funcs); ret = drm_fb_helper_init(dev, helper, num_crtc, max_conn_count); if (ret < 0) { @@ -364,6 +499,24 @@ err_free: return ERR_PTR(ret); } +EXPORT_SYMBOL_GPL(drm_fbdev_cma_init_with_funcs); + +/** + * drm_fbdev_cma_init() - Allocate and initializes a drm_fbdev_cma struct + * @dev: DRM device + * @preferred_bpp: Preferred bits per pixel for the device + * @num_crtc: Number of CRTCs + * @max_conn_count: Maximum number of connectors + * + * Returns a newly allocated drm_fbdev_cma struct or a ERR_PTR. + */ +struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev, + unsigned int preferred_bpp, unsigned int num_crtc, + unsigned int max_conn_count) +{ + return drm_fbdev_cma_init_with_funcs(dev, preferred_bpp, num_crtc, + max_conn_count, &drm_fb_cma_helper_funcs); +} EXPORT_SYMBOL_GPL(drm_fbdev_cma_init); /** @@ -373,6 +526,7 @@ EXPORT_SYMBOL_GPL(drm_fbdev_cma_init); void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma) { drm_fb_helper_unregister_fbi(&fbdev_cma->fb_helper); + drm_fbdev_cma_defio_fini(fbdev_cma->fb_helper.fbdev); drm_fb_helper_release_fbi(&fbdev_cma->fb_helper); if (fbdev_cma->fb) { diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 855108e..62f849f 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -84,6 +84,15 @@ static LIST_HEAD(kernel_fb_helper_list); * and set up an initial configuration using the detected hardware, drivers * should call drm_fb_helper_single_add_all_connectors() followed by * drm_fb_helper_initial_config(). + * + * If CONFIG_FB_DEFERRED_IO is enabled and &drm_framebuffer_funcs ->dirty is + * set, the drm_fb_helper_{cfb,sys}_{write,fillrect,copyarea,imageblit} + * functions will accumulate changes and schedule &fb_helper .dirty_work to run + * right away. This worker then calls the dirty() function ensuring that it + * will always run in process context since the fb_*() function could be + * running in atomic context. If drm_fb_helper_deferred_io() is used as the + * deferred_io callback it will also schedule dirty_work with the damage + * collected from the mmap page writes. */ /** @@ -637,6 +646,23 @@ static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper) kfree(helper->crtc_info); } +static void drm_fb_helper_dirty_work(struct work_struct *work) +{ + struct drm_fb_helper *helper = container_of(work, struct drm_fb_helper, + dirty_work); + struct drm_clip_rect *clip = &helper->dirty_clip; + struct drm_clip_rect clip_copy; + unsigned long flags; + + spin_lock_irqsave(&helper->dirty_lock, flags); + clip_copy = *clip; + clip->x1 = clip->y1 = ~0; + clip->x2 = clip->y2 = 0; + spin_unlock_irqrestore(&helper->dirty_lock, flags); + + helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, &clip_copy, 1); +} + /** * drm_fb_helper_prepare - setup a drm_fb_helper structure * @dev: DRM device @@ -650,6 +676,9 @@ void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper, const struct drm_fb_helper_funcs *funcs) { INIT_LIST_HEAD(&helper->kernel_fb_list); + spin_lock_init(&helper->dirty_lock); + INIT_WORK(&helper->dirty_work, drm_fb_helper_dirty_work); + helper->dirty_clip.x1 = helper->dirty_clip.y1 = ~0; helper->funcs = funcs; helper->dev = dev; } @@ -834,6 +863,59 @@ void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper) } EXPORT_SYMBOL(drm_fb_helper_unlink_fbi); +static void drm_fb_helper_dirty(struct fb_info *info, u32 x, u32 y, + u32 width, u32 height) +{ + struct drm_fb_helper *helper = info->par; + struct drm_clip_rect *clip = &helper->dirty_clip; + unsigned long flags; + + if (!helper->fb->funcs->dirty) + return; + + spin_lock_irqsave(&helper->dirty_lock, flags); + clip->x1 = min_t(u32, clip->x1, x); + clip->y1 = min_t(u32, clip->y1, y); + clip->x2 = max_t(u32, clip->x2, x + width); + clip->y2 = max_t(u32, clip->y2, y + height); + spin_unlock_irqrestore(&helper->dirty_lock, flags); + + schedule_work(&helper->dirty_work); +} + +/** + * drm_fb_helper_deferred_io() - fbdev deferred_io callback function + * @info: fb_info struct pointer + * @pagelist: list of dirty mmap framebuffer pages + * + * This function is used as the &fb_deferred_io ->deferred_io + * callback function for flushing the fbdev mmap writes. + */ +void drm_fb_helper_deferred_io(struct fb_info *info, + struct list_head *pagelist) +{ + unsigned long start, end, min, max; + struct page *page; + u32 y1, y2; + + min = ULONG_MAX; + max = 0; + list_for_each_entry(page, pagelist, lru) { + start = page->index << PAGE_SHIFT; + end = start + PAGE_SIZE - 1; + min = min(min, start); + max = max(max, end); + } + + if (min < max) { + y1 = min / info->fix.line_length; + y2 = min_t(u32, DIV_ROUND_UP(max, info->fix.line_length), + info->var.yres); + drm_fb_helper_dirty(info, 0, y1, info->var.xres, y2 - y1); + } +} +EXPORT_SYMBOL(drm_fb_helper_deferred_io); + /** * drm_fb_helper_sys_read - wrapper around fb_sys_read * @info: fb_info struct pointer @@ -862,7 +944,14 @@ EXPORT_SYMBOL(drm_fb_helper_sys_read); ssize_t drm_fb_helper_sys_write(struct fb_info *info, const char __user *buf, size_t count, loff_t *ppos) { - return fb_sys_write(info, buf, count, ppos); + ssize_t ret; + + ret = fb_sys_write(info, buf, count, ppos); + if (ret > 0) + drm_fb_helper_dirty(info, 0, 0, info->var.xres, + info->var.yres); + + return ret; } EXPORT_SYMBOL(drm_fb_helper_sys_write); @@ -877,6 +966,8 @@ void drm_fb_helper_sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { sys_fillrect(info, rect); + drm_fb_helper_dirty(info, rect->dx, rect->dy, + rect->width, rect->height); } EXPORT_SYMBOL(drm_fb_helper_sys_fillrect); @@ -891,6 +982,8 @@ void drm_fb_helper_sys_copyarea(struct fb_info *info, const struct fb_copyarea *area) { sys_copyarea(info, area); + drm_fb_helper_dirty(info, area->dx, area->dy, + area->width, area->height); } EXPORT_SYMBOL(drm_fb_helper_sys_copyarea); @@ -905,6 +998,8 @@ void drm_fb_helper_sys_imageblit(struct fb_info *info, const struct fb_image *image) { sys_imageblit(info, image); + drm_fb_helper_dirty(info, image->dx, image->dy, + image->width, image->height); } EXPORT_SYMBOL(drm_fb_helper_sys_imageblit); @@ -919,6 +1014,8 @@ void drm_fb_helper_cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { cfb_fillrect(info, rect); + drm_fb_helper_dirty(info, rect->dx, rect->dy, + rect->width, rect->height); } EXPORT_SYMBOL(drm_fb_helper_cfb_fillrect); @@ -933,6 +1030,8 @@ void drm_fb_helper_cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area) { cfb_copyarea(info, area); + drm_fb_helper_dirty(info, area->dx, area->dy, + area->width, area->height); } EXPORT_SYMBOL(drm_fb_helper_cfb_copyarea); @@ -947,6 +1046,8 @@ void drm_fb_helper_cfb_imageblit(struct fb_info *info, const struct fb_image *image) { cfb_imageblit(info, image); + drm_fb_helper_dirty(info, image->dx, image->dy, + image->width, image->height); } EXPORT_SYMBOL(drm_fb_helper_cfb_imageblit); diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 25dac31..f716308 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -804,14 +804,67 @@ drm_gem_object_free(struct kref *kref) container_of(kref, struct drm_gem_object, refcount); struct drm_device *dev = obj->dev; - WARN_ON(!mutex_is_locked(&dev->struct_mutex)); + if (dev->driver->gem_free_object_unlocked) { + dev->driver->gem_free_object_unlocked(obj); + } else if (dev->driver->gem_free_object) { + WARN_ON(!mutex_is_locked(&dev->struct_mutex)); - if (dev->driver->gem_free_object != NULL) dev->driver->gem_free_object(obj); + } } EXPORT_SYMBOL(drm_gem_object_free); /** + * drm_gem_object_unreference_unlocked - release a GEM BO reference + * @obj: GEM buffer object + * + * This releases a reference to @obj. Callers must not hold the + * dev->struct_mutex lock when calling this function. + * + * See also __drm_gem_object_unreference(). + */ +void +drm_gem_object_unreference_unlocked(struct drm_gem_object *obj) +{ + struct drm_device *dev; + + if (!obj) + return; + + dev = obj->dev; + might_lock(&dev->struct_mutex); + + if (dev->driver->gem_free_object_unlocked) + kref_put(&obj->refcount, drm_gem_object_free); + else if (kref_put_mutex(&obj->refcount, drm_gem_object_free, + &dev->struct_mutex)) + mutex_unlock(&dev->struct_mutex); +} +EXPORT_SYMBOL(drm_gem_object_unreference_unlocked); + +/** + * drm_gem_object_unreference - release a GEM BO reference + * @obj: GEM buffer object + * + * This releases a reference to @obj. Callers must hold the dev->struct_mutex + * lock when calling this function, even when the driver doesn't use + * dev->struct_mutex for anything. + * + * For drivers not encumbered with legacy locking use + * drm_gem_object_unreference_unlocked() instead. + */ +void +drm_gem_object_unreference(struct drm_gem_object *obj) +{ + if (obj) { + WARN_ON(!mutex_is_locked(&obj->dev->struct_mutex)); + + kref_put(&obj->refcount, drm_gem_object_free); + } +} +EXPORT_SYMBOL(drm_gem_object_unreference); + +/** * drm_gem_vm_open - vma->ops->open implementation for GEM * @vma: VM area structure * diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c index e885898..c2f92e3 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c @@ -497,7 +497,7 @@ static struct drm_driver etnaviv_drm_driver = { .open = etnaviv_open, .preclose = etnaviv_preclose, .set_busid = drm_platform_set_busid, - .gem_free_object = etnaviv_gem_free_object, + .gem_free_object_unlocked = etnaviv_gem_free_object, .gem_vm_ops = &vm_ops, .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 5344940..8ff355d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -270,7 +270,7 @@ static int commit_is_pending(struct exynos_drm_private *priv, u32 crtcs) } int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, - bool async) + bool nonblock) { struct exynos_drm_private *priv = dev->dev_private; struct exynos_atomic_commit *commit; @@ -308,7 +308,7 @@ int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, drm_atomic_helper_swap_state(dev, state); - if (async) + if (nonblock) schedule_work(&commit->work); else exynos_atomic_commit_complete(commit); diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 2ca719c..cc33ec9 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -308,7 +308,7 @@ static inline int exynos_dpi_bind(struct drm_device *dev, #endif int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, - bool async); + bool nonblock); extern struct platform_driver fimd_driver; diff --git a/drivers/gpu/drm/fsl-dcu/Kconfig b/drivers/gpu/drm/fsl-dcu/Kconfig index c78cf3f..b9c714d 100644 --- a/drivers/gpu/drm/fsl-dcu/Kconfig +++ b/drivers/gpu/drm/fsl-dcu/Kconfig @@ -1,6 +1,6 @@ config DRM_FSL_DCU tristate "DRM Support for Freescale DCU" - depends on DRM && OF && ARM + depends on DRM && OF && ARM && COMMON_CLK select BACKLIGHT_CLASS_DEVICE select BACKLIGHT_LCD_SUPPORT select DRM_KMS_HELPER diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ff60241..73299f9 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13431,7 +13431,7 @@ static int intel_atomic_check(struct drm_device *dev, static int intel_atomic_prepare_commit(struct drm_device *dev, struct drm_atomic_state *state, - bool async) + bool nonblock) { struct drm_i915_private *dev_priv = dev->dev_private; struct drm_plane_state *plane_state; @@ -13440,8 +13440,8 @@ static int intel_atomic_prepare_commit(struct drm_device *dev, struct drm_crtc *crtc; int i, ret; - if (async) { - DRM_DEBUG_KMS("i915 does not yet support async commit\n"); + if (nonblock) { + DRM_DEBUG_KMS("i915 does not yet support nonblocking commit\n"); return -EINVAL; } @@ -13464,7 +13464,7 @@ static int intel_atomic_prepare_commit(struct drm_device *dev, ret = drm_atomic_helper_prepare_planes(dev, state); mutex_unlock(&dev->struct_mutex); - if (!ret && !async) { + if (!ret && !nonblock) { for_each_plane_in_state(state, plane, plane_state, i) { struct intel_plane_state *intel_plane_state = to_intel_plane_state(plane_state); @@ -13557,21 +13557,21 @@ static bool needs_vblank_wait(struct intel_crtc_state *crtc_state) * intel_atomic_commit - commit validated state object * @dev: DRM device * @state: the top-level driver state object - * @async: asynchronous commit + * @nonblock: nonblocking commit * * This function commits a top-level state object that has been validated * with drm_atomic_helper_check(). * * FIXME: Atomic modeset support for i915 is not yet complete. At the moment * we can only handle plane-related operations and do not yet support - * asynchronous commit. + * nonblocking commit. * * RETURNS * Zero for success or -errno. */ static int intel_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, - bool async) + bool nonblock) { struct intel_atomic_state *intel_state = to_intel_atomic_state(state); struct drm_i915_private *dev_priv = dev->dev_private; @@ -13583,7 +13583,7 @@ static int intel_atomic_commit(struct drm_device *dev, unsigned long put_domains[I915_MAX_PIPES] = {}; unsigned crtc_vblank_mask = 0; - ret = intel_atomic_prepare_commit(dev, state, async); + ret = intel_atomic_prepare_commit(dev, state, nonblock); if (ret) { DRM_DEBUG_ATOMIC("Preparing state failed with %i\n", ret); return ret; diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index e26dcde..2453fb1 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -411,7 +411,7 @@ static struct drm_driver imx_drm_driver = { .unload = imx_drm_driver_unload, .lastclose = imx_drm_driver_lastclose, .set_busid = drm_platform_set_busid, - .gem_free_object = drm_gem_cma_free_object, + .gem_free_object_unlocked = drm_gem_cma_free_object, .gem_vm_ops = &drm_gem_cma_vm_ops, .dumb_create = drm_gem_cma_dumb_create, .dumb_map_offset = drm_gem_cma_dumb_map_offset, diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c index e233acf..3a48889 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c @@ -121,7 +121,7 @@ static void complete_flip(struct drm_crtc *crtc, struct drm_file *file) if (!file || (event->base.file_priv == file)) { mdp4_crtc->event = NULL; DBG("%s: send event: %p", mdp4_crtc->name, event); - drm_send_vblank_event(dev, mdp4_crtc->id, event); + drm_crtc_send_vblank_event(crtc, event); } } spin_unlock_irqrestore(&dev->event_lock, flags); diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index 9673b95..ce779d9 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -149,7 +149,7 @@ static void complete_flip(struct drm_crtc *crtc, struct drm_file *file) if (!file || (event->base.file_priv == file)) { mdp5_crtc->event = NULL; DBG("%s: send event: %p", mdp5_crtc->name, event); - drm_send_vblank_event(dev, mdp5_crtc->id, event); + drm_crtc_send_vblank_event(crtc, event); } } spin_unlock_irqrestore(&dev->event_lock, flags); diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index 7eb253b..5c61309 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -190,17 +190,16 @@ int msm_atomic_check(struct drm_device *dev, * drm_atomic_helper_commit - commit validated state object * @dev: DRM device * @state: the driver state object - * @async: asynchronous commit + * @nonblock: nonblocking commit * * This function commits a with drm_atomic_helper_check() pre-validated state - * object. This can still fail when e.g. the framebuffer reservation fails. For - * now this doesn't implement asynchronous commits. + * object. This can still fail when e.g. the framebuffer reservation fails. * * RETURNS * Zero for success or -errno. */ int msm_atomic_commit(struct drm_device *dev, - struct drm_atomic_state *state, bool async) + struct drm_atomic_state *state, bool nonblock) { int nplanes = dev->mode_config.num_total_plane; int ncrtcs = dev->mode_config.num_crtc; @@ -276,7 +275,7 @@ int msm_atomic_commit(struct drm_device *dev, * current layout. */ - if (async) { + if (nonblock) { msm_queue_fence_cb(dev, &c->fence_cb, c->fence); return 0; } diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 870dbe5..0b8b0e6 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -174,7 +174,7 @@ void __msm_fence_worker(struct work_struct *work); int msm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state); int msm_atomic_commit(struct drm_device *dev, - struct drm_atomic_state *state, bool async); + struct drm_atomic_state *state, bool nonblock); int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu); diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 80398a6..fe79498 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -138,7 +138,7 @@ static bool omap_atomic_is_pending(struct omap_drm_private *priv, } static int omap_atomic_commit(struct drm_device *dev, - struct drm_atomic_state *state, bool async) + struct drm_atomic_state *state, bool nonblock) { struct omap_drm_private *priv = dev->dev_private; struct omap_atomic_state_commit *commit; @@ -177,7 +177,7 @@ static int omap_atomic_commit(struct drm_device *dev, /* Swap the state, this is the point of no return. */ drm_atomic_helper_swap_state(dev, state); - if (async) + if (nonblock) schedule_work(&commit->work); else omap_atomic_complete(commit); diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 43e5f50..812e5d3 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -460,7 +460,7 @@ static const struct drm_crtc_funcs qxl_crtc_funcs = { .page_flip = qxl_crtc_page_flip, }; -static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) +void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) { struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); @@ -522,12 +522,13 @@ int qxl_framebuffer_init(struct drm_device *dev, struct qxl_framebuffer *qfb, const struct drm_mode_fb_cmd2 *mode_cmd, - struct drm_gem_object *obj) + struct drm_gem_object *obj, + const struct drm_framebuffer_funcs *funcs) { int ret; qfb->obj = obj; - ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs); + ret = drm_framebuffer_init(dev, &qfb->base, funcs); if (ret) { qfb->obj = NULL; return ret; @@ -994,7 +995,7 @@ qxl_user_framebuffer_create(struct drm_device *dev, if (qxl_fb == NULL) return NULL; - ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj); + ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj, &qxl_fb_funcs); if (ret) { kfree(qxl_fb); drm_gem_object_unreference_unlocked(obj); diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h index 6e6b9b1..c9c5426 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.h +++ b/drivers/gpu/drm/qxl/qxl_drv.h @@ -322,8 +322,6 @@ struct qxl_device { struct workqueue_struct *gc_queue; struct work_struct gc_work; - struct work_struct fb_work; - struct drm_property *hotplug_mode_update_property; int monitors_config_width; int monitors_config_height; @@ -387,11 +385,13 @@ int qxl_get_handle_for_primary_fb(struct qxl_device *qdev, void qxl_fbdev_set_suspend(struct qxl_device *qdev, int state); /* qxl_display.c */ +void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb); int qxl_framebuffer_init(struct drm_device *dev, struct qxl_framebuffer *rfb, const struct drm_mode_fb_cmd2 *mode_cmd, - struct drm_gem_object *obj); + struct drm_gem_object *obj, + const struct drm_framebuffer_funcs *funcs); void qxl_display_read_client_monitors_config(struct qxl_device *qdev); void qxl_send_monitors_config(struct qxl_device *qdev); int qxl_create_monitors_object(struct qxl_device *qdev); @@ -551,7 +551,6 @@ int qxl_irq_init(struct qxl_device *qdev); irqreturn_t qxl_irq_handler(int irq, void *arg); /* qxl_fb.c */ -int qxl_fb_init(struct qxl_device *qdev); bool qxl_fbdev_qobj_is_fb(struct qxl_device *qdev, struct qxl_bo *qobj); int qxl_debugfs_add_files(struct qxl_device *qdev, diff --git a/drivers/gpu/drm/qxl/qxl_fb.c b/drivers/gpu/drm/qxl/qxl_fb.c index bb7ce07..739a08c 100644 --- a/drivers/gpu/drm/qxl/qxl_fb.c +++ b/drivers/gpu/drm/qxl/qxl_fb.c @@ -46,15 +46,6 @@ struct qxl_fbdev { struct list_head delayed_ops; void *shadow; int size; - - /* dirty memory logging */ - struct { - spinlock_t lock; - unsigned x1; - unsigned y1; - unsigned x2; - unsigned y2; - } dirty; }; static void qxl_fb_image_init(struct qxl_fb_image *qxl_fb_image, @@ -82,169 +73,18 @@ static void qxl_fb_image_init(struct qxl_fb_image *qxl_fb_image, } } -static void qxl_fb_dirty_flush(struct fb_info *info) -{ - struct qxl_fbdev *qfbdev = info->par; - struct qxl_device *qdev = qfbdev->qdev; - struct qxl_fb_image qxl_fb_image; - struct fb_image *image = &qxl_fb_image.fb_image; - unsigned long flags; - u32 x1, x2, y1, y2; - - /* TODO: hard coding 32 bpp */ - int stride = qfbdev->qfb.base.pitches[0]; - - spin_lock_irqsave(&qfbdev->dirty.lock, flags); - - x1 = qfbdev->dirty.x1; - x2 = qfbdev->dirty.x2; - y1 = qfbdev->dirty.y1; - y2 = qfbdev->dirty.y2; - qfbdev->dirty.x1 = 0; - qfbdev->dirty.x2 = 0; - qfbdev->dirty.y1 = 0; - qfbdev->dirty.y2 = 0; - - spin_unlock_irqrestore(&qfbdev->dirty.lock, flags); - - /* - * we are using a shadow draw buffer, at qdev->surface0_shadow - */ - qxl_io_log(qdev, "dirty x[%d, %d], y[%d, %d]", x1, x2, y1, y2); - image->dx = x1; - image->dy = y1; - image->width = x2 - x1 + 1; - image->height = y2 - y1 + 1; - image->fg_color = 0xffffffff; /* unused, just to avoid uninitialized - warnings */ - image->bg_color = 0; - image->depth = 32; /* TODO: take from somewhere? */ - image->cmap.start = 0; - image->cmap.len = 0; - image->cmap.red = NULL; - image->cmap.green = NULL; - image->cmap.blue = NULL; - image->cmap.transp = NULL; - image->data = qfbdev->shadow + (x1 * 4) + (stride * y1); - - qxl_fb_image_init(&qxl_fb_image, qdev, info, NULL); - qxl_draw_opaque_fb(&qxl_fb_image, stride); -} - -static void qxl_dirty_update(struct qxl_fbdev *qfbdev, - int x, int y, int width, int height) -{ - struct qxl_device *qdev = qfbdev->qdev; - unsigned long flags; - int x2, y2; - - x2 = x + width - 1; - y2 = y + height - 1; - - spin_lock_irqsave(&qfbdev->dirty.lock, flags); - - if ((qfbdev->dirty.y2 - qfbdev->dirty.y1) && - (qfbdev->dirty.x2 - qfbdev->dirty.x1)) { - if (qfbdev->dirty.y1 < y) - y = qfbdev->dirty.y1; - if (qfbdev->dirty.y2 > y2) - y2 = qfbdev->dirty.y2; - if (qfbdev->dirty.x1 < x) - x = qfbdev->dirty.x1; - if (qfbdev->dirty.x2 > x2) - x2 = qfbdev->dirty.x2; - } - - qfbdev->dirty.x1 = x; - qfbdev->dirty.x2 = x2; - qfbdev->dirty.y1 = y; - qfbdev->dirty.y2 = y2; - - spin_unlock_irqrestore(&qfbdev->dirty.lock, flags); - - schedule_work(&qdev->fb_work); -} - -static void qxl_deferred_io(struct fb_info *info, - struct list_head *pagelist) -{ - struct qxl_fbdev *qfbdev = info->par; - unsigned long start, end, min, max; - struct page *page; - int y1, y2; - - min = ULONG_MAX; - max = 0; - list_for_each_entry(page, pagelist, lru) { - start = page->index << PAGE_SHIFT; - end = start + PAGE_SIZE - 1; - min = min(min, start); - max = max(max, end); - } - - if (min < max) { - y1 = min / info->fix.line_length; - y2 = (max / info->fix.line_length) + 1; - qxl_dirty_update(qfbdev, 0, y1, info->var.xres, y2 - y1); - } -}; - static struct fb_deferred_io qxl_defio = { .delay = QXL_DIRTY_DELAY, - .deferred_io = qxl_deferred_io, + .deferred_io = drm_fb_helper_deferred_io, }; -static void qxl_fb_fillrect(struct fb_info *info, - const struct fb_fillrect *rect) -{ - struct qxl_fbdev *qfbdev = info->par; - - drm_fb_helper_sys_fillrect(info, rect); - qxl_dirty_update(qfbdev, rect->dx, rect->dy, rect->width, - rect->height); -} - -static void qxl_fb_copyarea(struct fb_info *info, - const struct fb_copyarea *area) -{ - struct qxl_fbdev *qfbdev = info->par; - - drm_fb_helper_sys_copyarea(info, area); - qxl_dirty_update(qfbdev, area->dx, area->dy, area->width, - area->height); -} - -static void qxl_fb_imageblit(struct fb_info *info, - const struct fb_image *image) -{ - struct qxl_fbdev *qfbdev = info->par; - - drm_fb_helper_sys_imageblit(info, image); - qxl_dirty_update(qfbdev, image->dx, image->dy, image->width, - image->height); -} - -static void qxl_fb_work(struct work_struct *work) -{ - struct qxl_device *qdev = container_of(work, struct qxl_device, fb_work); - struct qxl_fbdev *qfbdev = qdev->mode_info.qfbdev; - - qxl_fb_dirty_flush(qfbdev->helper.fbdev); -} - -int qxl_fb_init(struct qxl_device *qdev) -{ - INIT_WORK(&qdev->fb_work, qxl_fb_work); - return 0; -} - static struct fb_ops qxlfb_ops = { .owner = THIS_MODULE, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, /* TODO: copy vmwgfx */ - .fb_fillrect = qxl_fb_fillrect, - .fb_copyarea = qxl_fb_copyarea, - .fb_imageblit = qxl_fb_imageblit, + .fb_fillrect = drm_fb_helper_sys_fillrect, + .fb_copyarea = drm_fb_helper_sys_copyarea, + .fb_imageblit = drm_fb_helper_sys_imageblit, .fb_pan_display = drm_fb_helper_pan_display, .fb_blank = drm_fb_helper_blank, .fb_setcmap = drm_fb_helper_setcmap, @@ -338,6 +178,57 @@ out_unref: return ret; } +/* + * FIXME + * It should not be necessary to have a special dirty() callback for fbdev. + */ +static int qxlfb_framebuffer_dirty(struct drm_framebuffer *fb, + struct drm_file *file_priv, + unsigned flags, unsigned color, + struct drm_clip_rect *clips, + unsigned num_clips) +{ + struct qxl_device *qdev = fb->dev->dev_private; + struct fb_info *info = qdev->fbdev_info; + struct qxl_fbdev *qfbdev = info->par; + struct qxl_fb_image qxl_fb_image; + struct fb_image *image = &qxl_fb_image.fb_image; + + /* TODO: hard coding 32 bpp */ + int stride = qfbdev->qfb.base.pitches[0]; + + /* + * we are using a shadow draw buffer, at qdev->surface0_shadow + */ + qxl_io_log(qdev, "dirty x[%d, %d], y[%d, %d]", clips->x1, clips->x2, + clips->y1, clips->y2); + image->dx = clips->x1; + image->dy = clips->y1; + image->width = clips->x2 - clips->x1; + image->height = clips->y2 - clips->y1; + image->fg_color = 0xffffffff; /* unused, just to avoid uninitialized + warnings */ + image->bg_color = 0; + image->depth = 32; /* TODO: take from somewhere? */ + image->cmap.start = 0; + image->cmap.len = 0; + image->cmap.red = NULL; + image->cmap.green = NULL; + image->cmap.blue = NULL; + image->cmap.transp = NULL; + image->data = qfbdev->shadow + (clips->x1 * 4) + (stride * clips->y1); + + qxl_fb_image_init(&qxl_fb_image, qdev, info, NULL); + qxl_draw_opaque_fb(&qxl_fb_image, stride); + + return 0; +} + +static const struct drm_framebuffer_funcs qxlfb_fb_funcs = { + .destroy = qxl_user_framebuffer_destroy, + .dirty = qxlfb_framebuffer_dirty, +}; + static int qxlfb_create(struct qxl_fbdev *qfbdev, struct drm_fb_helper_surface_size *sizes) { @@ -383,7 +274,8 @@ static int qxlfb_create(struct qxl_fbdev *qfbdev, info->par = qfbdev; - qxl_framebuffer_init(qdev->ddev, &qfbdev->qfb, &mode_cmd, gobj); + qxl_framebuffer_init(qdev->ddev, &qfbdev->qfb, &mode_cmd, gobj, + &qxlfb_fb_funcs); fb = &qfbdev->qfb.base; @@ -504,7 +396,6 @@ int qxl_fbdev_init(struct qxl_device *qdev) qfbdev->qdev = qdev; qdev->mode_info.qfbdev = qfbdev; spin_lock_init(&qfbdev->delayed_ops_lock); - spin_lock_init(&qfbdev->dirty.lock); INIT_LIST_HEAD(&qfbdev->delayed_ops); drm_fb_helper_prepare(qdev->ddev, &qfbdev->helper, diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c index b2977a1..2319800 100644 --- a/drivers/gpu/drm/qxl/qxl_kms.c +++ b/drivers/gpu/drm/qxl/qxl_kms.c @@ -261,10 +261,6 @@ static int qxl_device_init(struct qxl_device *qdev, qdev->gc_queue = create_singlethread_workqueue("qxl_gc"); INIT_WORK(&qdev->gc_work, qxl_gc_work); - r = qxl_fb_init(qdev); - if (r) - return r; - return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index fcc7483..d596c83 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -377,7 +377,7 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) /* wakeup userspace */ if (work->event) - drm_send_vblank_event(rdev->ddev, crtc_id, work->event); + drm_crtc_send_vblank_event(&radeon_crtc->base, work->event); spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 5d44ed0..b9f74e6 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -525,7 +525,7 @@ static struct drm_driver kms_driver = { .irq_uninstall = radeon_driver_irq_uninstall_kms, .irq_handler = radeon_driver_irq_handler_kms, .ioctls = radeon_ioctls_kms, - .gem_free_object = radeon_gem_object_free, + .gem_free_object_unlocked = radeon_gem_object_free, .gem_open_object = radeon_gem_object_open, .gem_close_object = radeon_gem_object_close, .dumb_create = radeon_mode_dumb_create, diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index d9f06cc..0d8bdda 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -314,7 +314,7 @@ static void rcar_du_crtc_finish_page_flip(struct rcar_du_crtc *rcrtc) return; spin_lock_irqsave(&dev->event_lock, flags); - drm_send_vblank_event(dev, rcrtc->index, event); + drm_crtc_send_vblank_event(&rcrtc->crtc, event); wake_up(&rcrtc->flip_wait); spin_unlock_irqrestore(&dev->event_lock, flags); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 24725bf..e70a4f3 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -283,7 +283,8 @@ static void rcar_du_atomic_work(struct work_struct *work) } static int rcar_du_atomic_commit(struct drm_device *dev, - struct drm_atomic_state *state, bool async) + struct drm_atomic_state *state, + bool nonblock) { struct rcar_du_device *rcdu = dev->dev_private; struct rcar_du_commit *commit; @@ -328,7 +329,7 @@ static int rcar_du_atomic_commit(struct drm_device *dev, /* Swap the state, this is the point of no return. */ drm_atomic_helper_swap_state(dev, state); - if (async) + if (nonblock) schedule_work(&commit->work); else rcar_du_atomic_complete(commit); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index 3b8f652..8c10163 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -276,7 +276,7 @@ void rockchip_drm_atomic_work(struct work_struct *work) int rockchip_drm_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, - bool async) + bool nonblock) { struct rockchip_drm_private *private = dev->dev_private; struct rockchip_atomic_commit *commit = &private->commit; @@ -286,7 +286,7 @@ int rockchip_drm_atomic_commit(struct drm_device *dev, if (ret) return ret; - /* serialize outstanding asynchronous commits */ + /* serialize outstanding nonblocking commits */ mutex_lock(&commit->lock); flush_work(&commit->work); @@ -295,7 +295,7 @@ int rockchip_drm_atomic_commit(struct drm_device *dev, commit->dev = dev; commit->state = state; - if (async) + if (nonblock) schedule_work(&commit->work); else rockchip_atomic_commit_complete(commit); diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c index 88643ab..1e154fc 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c @@ -440,7 +440,7 @@ void shmob_drm_crtc_finish_page_flip(struct shmob_drm_crtc *scrtc) event = scrtc->event; scrtc->event = NULL; if (event) { - drm_send_vblank_event(dev, 0, event); + drm_crtc_send_vblank_event(&scrtc->crtc, event); drm_vblank_put(dev, 0); } spin_unlock_irqrestore(&dev->event_lock, flags); diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c index 6bd6aba..872495e 100644 --- a/drivers/gpu/drm/sti/sti_drv.c +++ b/drivers/gpu/drm/sti/sti_drv.c @@ -202,7 +202,7 @@ static void sti_atomic_work(struct work_struct *work) } static int sti_atomic_commit(struct drm_device *drm, - struct drm_atomic_state *state, bool async) + struct drm_atomic_state *state, bool nonblock) { struct sti_private *private = drm->dev_private; int err; @@ -211,7 +211,7 @@ static int sti_atomic_commit(struct drm_device *drm, if (err) return err; - /* serialize outstanding asynchronous commits */ + /* serialize outstanding nonblocking commits */ mutex_lock(&private->commit.lock); flush_work(&private->commit.work); @@ -223,7 +223,7 @@ static int sti_atomic_commit(struct drm_device *drm, drm_atomic_helper_swap_state(drm, state); - if (async) + if (nonblock) sti_atomic_schedule(private, state); else sti_atomic_complete(private, state); diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 2be88eb..71a52f4e 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -74,7 +74,7 @@ static void tegra_atomic_work(struct work_struct *work) } static int tegra_atomic_commit(struct drm_device *drm, - struct drm_atomic_state *state, bool async) + struct drm_atomic_state *state, bool nonblock) { struct tegra_drm *tegra = drm->dev_private; int err; @@ -83,7 +83,7 @@ static int tegra_atomic_commit(struct drm_device *drm, if (err) return err; - /* serialize outstanding asynchronous commits */ + /* serialize outstanding nonblocking commits */ mutex_lock(&tegra->commit.lock); flush_work(&tegra->commit.work); @@ -95,7 +95,7 @@ static int tegra_atomic_commit(struct drm_device *drm, drm_atomic_helper_swap_state(drm, state); - if (async) + if (nonblock) tegra_atomic_schedule(tegra, state); else tegra_atomic_complete(tegra, state); diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c index 051e5e1..79027b1 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c @@ -707,7 +707,7 @@ irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc) event = tilcdc_crtc->event; tilcdc_crtc->event = NULL; if (event) - drm_send_vblank_event(dev, 0, event); + drm_crtc_send_vblank_event(crtc, event); spin_unlock_irqrestore(&dev->event_lock, flags); } diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index 4a064ef..0b03d34 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -81,8 +81,6 @@ struct udl_framebuffer { struct drm_framebuffer base; struct udl_gem_object *obj; bool active_16; /* active on the 16-bit channel */ - int x1, y1, x2, y2; /* dirty rect */ - spinlock_t dirty_lock; }; #define to_udl_fb(x) container_of(x, struct udl_framebuffer, base) diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index fd1eb9d..4a9b432 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -77,68 +77,6 @@ static uint16_t rgb16(uint32_t col) } #endif -/* - * NOTE: fb_defio.c is holding info->fbdefio.mutex - * Touching ANY framebuffer memory that triggers a page fault - * in fb_defio will cause a deadlock, when it also tries to - * grab the same mutex. - */ -static void udlfb_dpy_deferred_io(struct fb_info *info, - struct list_head *pagelist) -{ - struct page *cur; - struct fb_deferred_io *fbdefio = info->fbdefio; - struct udl_fbdev *ufbdev = info->par; - struct drm_device *dev = ufbdev->ufb.base.dev; - struct udl_device *udl = dev->dev_private; - struct urb *urb; - char *cmd; - cycles_t start_cycles, end_cycles; - int bytes_sent = 0; - int bytes_identical = 0; - int bytes_rendered = 0; - - if (!fb_defio) - return; - - start_cycles = get_cycles(); - - urb = udl_get_urb(dev); - if (!urb) - return; - - cmd = urb->transfer_buffer; - - /* walk the written page list and render each to device */ - list_for_each_entry(cur, &fbdefio->pagelist, lru) { - - if (udl_render_hline(dev, (ufbdev->ufb.base.bits_per_pixel / 8), - &urb, (char *) info->fix.smem_start, - &cmd, cur->index << PAGE_SHIFT, - cur->index << PAGE_SHIFT, - PAGE_SIZE, &bytes_identical, &bytes_sent)) - goto error; - bytes_rendered += PAGE_SIZE; - } - - if (cmd > (char *) urb->transfer_buffer) { - /* Send partial buffer remaining before exiting */ - int len = cmd - (char *) urb->transfer_buffer; - udl_submit_urb(dev, urb, len); - bytes_sent += len; - } else - udl_urb_completion(urb); - -error: - atomic_add(bytes_sent, &udl->bytes_sent); - atomic_add(bytes_identical, &udl->bytes_identical); - atomic_add(bytes_rendered, &udl->bytes_rendered); - end_cycles = get_cycles(); - atomic_add(((unsigned int) ((end_cycles - start_cycles) - >> 10)), /* Kcycles */ - &udl->cpu_kcycles_used); -} - int udl_handle_damage(struct udl_framebuffer *fb, int x, int y, int width, int height) { @@ -152,9 +90,6 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y, struct urb *urb; int aligned_x; int bpp = (fb->base.bits_per_pixel / 8); - int x2, y2; - bool store_for_later = false; - unsigned long flags; if (!fb->active_16) return 0; @@ -180,38 +115,6 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y, (y + height > fb->base.height)) return -EINVAL; - /* if we are in atomic just store the info - can't test inside spin lock */ - if (in_atomic()) - store_for_later = true; - - x2 = x + width - 1; - y2 = y + height - 1; - - spin_lock_irqsave(&fb->dirty_lock, flags); - - if (fb->y1 < y) - y = fb->y1; - if (fb->y2 > y2) - y2 = fb->y2; - if (fb->x1 < x) - x = fb->x1; - if (fb->x2 > x2) - x2 = fb->x2; - - if (store_for_later) { - fb->x1 = x; - fb->x2 = x2; - fb->y1 = y; - fb->y2 = y2; - spin_unlock_irqrestore(&fb->dirty_lock, flags); - return 0; - } - - fb->x1 = fb->y1 = INT_MAX; - fb->x2 = fb->y2 = 0; - - spin_unlock_irqrestore(&fb->dirty_lock, flags); start_cycles = get_cycles(); urb = udl_get_urb(dev); @@ -219,14 +122,14 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y, return 0; cmd = urb->transfer_buffer; - for (i = y; i <= y2 ; i++) { + for (i = y; i < height ; i++) { const int line_offset = fb->base.pitches[0] * i; const int byte_offset = line_offset + (x * bpp); const int dev_byte_offset = (fb->base.width * bpp * i) + (x * bpp); if (udl_render_hline(dev, bpp, &urb, (char *) fb->obj->vmapping, &cmd, byte_offset, dev_byte_offset, - (x2 - x + 1) * bpp, + width * bpp, &bytes_identical, &bytes_sent)) goto error; } @@ -283,36 +186,6 @@ static int udl_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) return 0; } -static void udl_fb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) -{ - struct udl_fbdev *ufbdev = info->par; - - drm_fb_helper_sys_fillrect(info, rect); - - udl_handle_damage(&ufbdev->ufb, rect->dx, rect->dy, rect->width, - rect->height); -} - -static void udl_fb_copyarea(struct fb_info *info, const struct fb_copyarea *region) -{ - struct udl_fbdev *ufbdev = info->par; - - drm_fb_helper_sys_copyarea(info, region); - - udl_handle_damage(&ufbdev->ufb, region->dx, region->dy, region->width, - region->height); -} - -static void udl_fb_imageblit(struct fb_info *info, const struct fb_image *image) -{ - struct udl_fbdev *ufbdev = info->par; - - drm_fb_helper_sys_imageblit(info, image); - - udl_handle_damage(&ufbdev->ufb, image->dx, image->dy, image->width, - image->height); -} - /* * It's common for several clients to have framebuffer open simultaneously. * e.g. both fbcon and X. Makes things interesting. @@ -339,7 +212,7 @@ static int udl_fb_open(struct fb_info *info, int user) if (fbdefio) { fbdefio->delay = DL_DEFIO_WRITE_DELAY; - fbdefio->deferred_io = udlfb_dpy_deferred_io; + fbdefio->deferred_io = drm_fb_helper_deferred_io; } info->fbdefio = fbdefio; @@ -379,9 +252,9 @@ static struct fb_ops udlfb_ops = { .owner = THIS_MODULE, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, - .fb_fillrect = udl_fb_fillrect, - .fb_copyarea = udl_fb_copyarea, - .fb_imageblit = udl_fb_imageblit, + .fb_fillrect = drm_fb_helper_sys_fillrect, + .fb_copyarea = drm_fb_helper_sys_copyarea, + .fb_imageblit = drm_fb_helper_sys_imageblit, .fb_pan_display = drm_fb_helper_pan_display, .fb_blank = drm_fb_helper_blank, .fb_setcmap = drm_fb_helper_setcmap, @@ -458,7 +331,6 @@ udl_framebuffer_init(struct drm_device *dev, { int ret; - spin_lock_init(&ufb->dirty_lock); ufb->obj = obj; drm_helper_mode_fill_fb_struct(&ufb->base, mode_cmd); ret = drm_framebuffer_init(dev, &ufb->base, &udlfb_funcs); diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index 4718ae5..d423ba1 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -93,7 +93,7 @@ static struct vc4_commit *commit_init(struct drm_atomic_state *state) * vc4_atomic_commit - commit validated state object * @dev: DRM device * @state: the driver state object - * @async: asynchronous commit + * @nonblock: nonblocking commit * * This function commits a with drm_atomic_helper_check() pre-validated state * object. This can still fail when e.g. the framebuffer reservation fails. For @@ -104,7 +104,7 @@ static struct vc4_commit *commit_init(struct drm_atomic_state *state) */ static int vc4_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, - bool async) + bool nonblock) { struct vc4_dev *vc4 = to_vc4_dev(dev); int ret; @@ -170,7 +170,7 @@ static int vc4_atomic_commit(struct drm_device *dev, * current layout. */ - if (async) { + if (nonblock) { vc4_queue_seqno_cb(dev, &c->cb, wait_seqno, vc4_atomic_complete_commit_seqno_cb); } else { diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c index 57721c7..74b5bca 100644 --- a/drivers/video/fbdev/core/fb_defio.c +++ b/drivers/video/fbdev/core/fb_defio.c @@ -164,7 +164,7 @@ static const struct address_space_operations fb_deferred_io_aops = { .set_page_dirty = fb_deferred_io_set_page_dirty, }; -static int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma) +int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma) { vma->vm_ops = &fb_deferred_io_vm_ops; vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; @@ -173,6 +173,7 @@ static int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma) vma->vm_private_data = info; return 0; } +EXPORT_SYMBOL(fb_deferred_io_mmap); /* workqueue callback */ static void fb_deferred_io_work(struct work_struct *work) diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 7901768..360b2a7 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -580,12 +580,21 @@ struct drm_driver { void (*debugfs_cleanup)(struct drm_minor *minor); /** - * Driver-specific constructor for drm_gem_objects, to set up - * obj->driver_private. + * @gem_free_object: deconstructor for drm_gem_objects * - * Returns 0 on success. + * This is deprecated and should not be used by new drivers. Use + * @gem_free_object_unlocked instead. */ void (*gem_free_object) (struct drm_gem_object *obj); + + /** + * @gem_free_object_unlocked: deconstructor for drm_gem_objects + * + * This is for drivers which are not encumbered with dev->struct_mutex + * legacy locking schemes. Use this hook instead of @gem_free_object. + */ + void (*gem_free_object_unlocked) (struct drm_gem_object *obj); + int (*gem_open_object) (struct drm_gem_object *, struct drm_file *); void (*gem_close_object) (struct drm_gem_object *, struct drm_file *); diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index d3eaa5d..92c84e9 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -137,7 +137,7 @@ drm_atomic_clean_old_fb(struct drm_device *dev, unsigned plane_mask, int ret); int __must_check drm_atomic_check_only(struct drm_atomic_state *state); int __must_check drm_atomic_commit(struct drm_atomic_state *state); -int __must_check drm_atomic_async_commit(struct drm_atomic_state *state); +int __must_check drm_atomic_nonblocking_commit(struct drm_atomic_state *state); #define for_each_connector_in_state(state, connector, connector_state, __i) \ for ((__i) = 0; \ diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index fe9d89c..0364287 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -40,7 +40,7 @@ int drm_atomic_helper_check(struct drm_device *dev, struct drm_atomic_state *state); int drm_atomic_helper_commit(struct drm_device *dev, struct drm_atomic_state *state, - bool async); + bool nonblock); void drm_atomic_helper_wait_for_fences(struct drm_device *dev, struct drm_atomic_state *state); diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 297e527..2f2bf23 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -1886,7 +1886,7 @@ struct drm_mode_config_funcs { * drm_atomic_helper_commit(), or one of the exported sub-functions of * it. * - * Asynchronous commits (as indicated with the async parameter) must + * Nonblocking commits (as indicated with the nonblock parameter) must * do any preparatory work which might result in an unsuccessful commit * in the context of this callback. The only exceptions are hardware * errors resulting in -EIO. But even in that case the driver must @@ -1899,7 +1899,7 @@ struct drm_mode_config_funcs { * The driver must wait for any pending rendering to the new * framebuffers to complete before executing the flip. It should also * wait for any pending rendering from other drivers if the underlying - * buffer is a shared dma-buf. Asynchronous commits must not wait for + * buffer is a shared dma-buf. Nonblocking commits must not wait for * rendering in the context of this callback. * * An application can request to be notified when the atomic commit has @@ -1930,7 +1930,7 @@ struct drm_mode_config_funcs { * * 0 on success or one of the below negative error codes: * - * - -EBUSY, if an asynchronous updated is requested and there is + * - -EBUSY, if a nonblocking updated is requested and there is * an earlier updated pending. Drivers are allowed to support a queue * of outstanding updates, but currently no driver supports that. * Note that drivers must wait for preceding updates to complete if a @@ -1960,7 +1960,7 @@ struct drm_mode_config_funcs { */ int (*atomic_commit)(struct drm_device *dev, struct drm_atomic_state *state, - bool async); + bool nonblock); /** * @atomic_state_alloc: diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h index ae49c24..c6d9c9c 100644 --- a/include/drm/drm_fb_cma_helper.h +++ b/include/drm/drm_fb_cma_helper.h @@ -4,11 +4,18 @@ struct drm_fbdev_cma; struct drm_gem_cma_object; +struct drm_fb_helper_surface_size; +struct drm_framebuffer_funcs; +struct drm_fb_helper_funcs; struct drm_framebuffer; +struct drm_fb_helper; struct drm_device; struct drm_file; struct drm_mode_fb_cmd2; +struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs(struct drm_device *dev, + unsigned int preferred_bpp, unsigned int num_crtc, + unsigned int max_conn_count, const struct drm_fb_helper_funcs *funcs); struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev, unsigned int preferred_bpp, unsigned int num_crtc, unsigned int max_conn_count); @@ -16,6 +23,13 @@ void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma); void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma); void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma); +int drm_fbdev_cma_create_with_funcs(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes, + struct drm_framebuffer_funcs *funcs); + +void drm_fb_cma_destroy(struct drm_framebuffer *fb); +int drm_fb_cma_create_handle(struct drm_framebuffer *fb, + struct drm_file *file_priv, unsigned int *handle); struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev, struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd); diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index 062723b..5b4aa35 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -172,6 +172,10 @@ struct drm_fb_helper_connector { * @funcs: driver callbacks for fb helper * @fbdev: emulated fbdev device info struct * @pseudo_palette: fake palette of 16 colors + * @dirty_clip: clip rectangle used with deferred_io to accumulate damage to + * the screen buffer + * @dirty_lock: spinlock protecting @dirty_clip + * @dirty_work: worker used to flush the framebuffer * * This is the main structure used by the fbdev helpers. Drivers supporting * fbdev emulation should embedded this into their overall driver structure. @@ -189,6 +193,9 @@ struct drm_fb_helper { const struct drm_fb_helper_funcs *funcs; struct fb_info *fbdev; u32 pseudo_palette[17]; + struct drm_clip_rect dirty_clip; + spinlock_t dirty_lock; + struct work_struct dirty_work; /** * @kernel_fb_list: @@ -245,6 +252,9 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper); +void drm_fb_helper_deferred_io(struct fb_info *info, + struct list_head *pagelist); + ssize_t drm_fb_helper_sys_read(struct fb_info *info, char __user *buf, size_t count, loff_t *ppos); ssize_t drm_fb_helper_sys_write(struct fb_info *info, const char __user *buf, @@ -368,6 +378,11 @@ static inline void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper) { } +static inline void drm_fb_helper_deferred_io(struct fb_info *info, + struct list_head *pagelist) +{ +} + static inline ssize_t drm_fb_helper_sys_read(struct fb_info *info, char __user *buf, size_t count, loff_t *ppos) diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index 0b3e11a..408d6c4 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -200,47 +200,29 @@ drm_gem_object_reference(struct drm_gem_object *obj) } /** - * drm_gem_object_unreference - release a GEM BO reference + * __drm_gem_object_unreference - raw function to release a GEM BO reference * @obj: GEM buffer object * - * This releases a reference to @obj. Callers must hold the dev->struct_mutex - * lock when calling this function, even when the driver doesn't use - * dev->struct_mutex for anything. + * This function is meant to be used by drivers which are not encumbered with + * dev->struct_mutex legacy locking and which are using the + * gem_free_object_unlocked callback. It avoids all the locking checks and + * locking overhead of drm_gem_object_unreference() and + * drm_gem_object_unreference_unlocked(). * - * For drivers not encumbered with legacy locking use - * drm_gem_object_unreference_unlocked() instead. + * Drivers should never call this directly in their code. Instead they should + * wrap it up into a driver_gem_object_unreference(struct driver_gem_object + * *obj) wrapper function, and use that. Shared code should never call this, to + * avoid breaking drivers by accident which still depend upon dev->struct_mutex + * locking. */ static inline void -drm_gem_object_unreference(struct drm_gem_object *obj) +__drm_gem_object_unreference(struct drm_gem_object *obj) { - if (obj != NULL) { - WARN_ON(!mutex_is_locked(&obj->dev->struct_mutex)); - - kref_put(&obj->refcount, drm_gem_object_free); - } + kref_put(&obj->refcount, drm_gem_object_free); } -/** - * drm_gem_object_unreference_unlocked - release a GEM BO reference - * @obj: GEM buffer object - * - * This releases a reference to @obj. Callers must not hold the - * dev->struct_mutex lock when calling this function. - */ -static inline void -drm_gem_object_unreference_unlocked(struct drm_gem_object *obj) -{ - struct drm_device *dev; - - if (!obj) - return; - - dev = obj->dev; - if (kref_put_mutex(&obj->refcount, drm_gem_object_free, &dev->struct_mutex)) - mutex_unlock(&dev->struct_mutex); - else - might_lock(&dev->struct_mutex); -} +void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj); +void drm_gem_object_unreference(struct drm_gem_object *obj); int drm_gem_handle_create(struct drm_file *file_priv, struct drm_gem_object *obj, diff --git a/include/linux/fb.h b/include/linux/fb.h index dfe8835..a964d07 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -673,6 +673,7 @@ static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, } /* drivers/video/fb_defio.c */ +int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma); extern void fb_deferred_io_init(struct fb_info *info); extern void fb_deferred_io_open(struct fb_info *info, struct inode *inode, |
