diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 138 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h | 15 |
2 files changed, 124 insertions, 29 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index 6ad243293a78..e23b89cc6636 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -138,11 +138,52 @@ static void amdgpu_unpin_work_func(struct work_struct *__work) kfree(work); } -int amdgpu_crtc_page_flip_target(struct drm_crtc *crtc, - struct drm_framebuffer *fb, - struct drm_pending_vblank_event *event, - uint32_t page_flip_flags, uint32_t target, - struct drm_modeset_acquire_ctx *ctx) + +static void amdgpu_flip_work_cleanup(struct amdgpu_flip_work *work) +{ + int i; + + amdgpu_bo_unref(&work->old_abo); + dma_fence_put(work->excl); + for (i = 0; i < work->shared_count; ++i) + dma_fence_put(work->shared[i]); + kfree(work->shared); + kfree(work); +} + +static void amdgpu_flip_cleanup_unreserve(struct amdgpu_flip_work *work, + struct amdgpu_bo *new_abo) +{ + amdgpu_bo_unreserve(new_abo); + amdgpu_flip_work_cleanup(work); +} + +static void amdgpu_flip_cleanup_unpin(struct amdgpu_flip_work *work, + struct amdgpu_bo *new_abo) +{ + if (unlikely(amdgpu_bo_unpin(new_abo) != 0)) + DRM_ERROR("failed to unpin new abo in error path\n"); + amdgpu_flip_cleanup_unreserve(work, new_abo); +} + +void amdgpu_crtc_cleanup_flip_ctx(struct amdgpu_flip_work *work, + struct amdgpu_bo *new_abo) +{ + if (unlikely(amdgpu_bo_reserve(new_abo, true) != 0)) { + DRM_ERROR("failed to reserve new abo in error path\n"); + amdgpu_flip_work_cleanup(work); + return; + } + amdgpu_flip_cleanup_unpin(work, new_abo); +} + +int amdgpu_crtc_prepare_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags, + uint32_t target, + struct amdgpu_flip_work **work_p, + struct amdgpu_bo **new_abo_p) { struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; @@ -155,7 +196,7 @@ int amdgpu_crtc_page_flip_target(struct drm_crtc *crtc, unsigned long flags; u64 tiling_flags; u64 base; - int i, r; + int r; work = kzalloc(sizeof *work, GFP_KERNEL); if (work == NULL) @@ -216,41 +257,80 @@ int amdgpu_crtc_page_flip_target(struct drm_crtc *crtc, spin_unlock_irqrestore(&crtc->dev->event_lock, flags); r = -EBUSY; goto pflip_cleanup; + } + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + + *work_p = work; + *new_abo_p = new_abo; + + return 0; + +pflip_cleanup: + amdgpu_crtc_cleanup_flip_ctx(work, new_abo); + return r; + +unpin: + amdgpu_flip_cleanup_unpin(work, new_abo); + return r; + +unreserve: + amdgpu_flip_cleanup_unreserve(work, new_abo); + return r; +cleanup: + amdgpu_flip_work_cleanup(work); + return r; + +} + +void amdgpu_crtc_submit_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct amdgpu_flip_work *work, + struct amdgpu_bo *new_abo) +{ + unsigned long flags; + struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + + spin_lock_irqsave(&crtc->dev->event_lock, flags); amdgpu_crtc->pflip_status = AMDGPU_FLIP_PENDING; amdgpu_crtc->pflip_works = work; - - DRM_DEBUG_DRIVER("crtc:%d[%p], pflip_stat:AMDGPU_FLIP_PENDING, work: %p,\n", - amdgpu_crtc->crtc_id, amdgpu_crtc, work); /* update crtc fb */ crtc->primary->fb = fb; spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + + DRM_DEBUG_DRIVER( + "crtc:%d[%p], pflip_stat:AMDGPU_FLIP_PENDING, work: %p,\n", + amdgpu_crtc->crtc_id, amdgpu_crtc, work); + amdgpu_flip_work_func(&work->flip_work.work); - return 0; +} -pflip_cleanup: - if (unlikely(amdgpu_bo_reserve(new_abo, false) != 0)) { - DRM_ERROR("failed to reserve new abo in error path\n"); - goto cleanup; - } -unpin: - if (unlikely(amdgpu_bo_unpin(new_abo) != 0)) { - DRM_ERROR("failed to unpin new abo in error path\n"); - } -unreserve: - amdgpu_bo_unreserve(new_abo); +int amdgpu_crtc_page_flip_target(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags, + uint32_t target, + struct drm_modeset_acquire_ctx *ctx) +{ + struct amdgpu_bo *new_abo; + struct amdgpu_flip_work *work; + int r; -cleanup: - amdgpu_bo_unref(&work->old_abo); - dma_fence_put(work->excl); - for (i = 0; i < work->shared_count; ++i) - dma_fence_put(work->shared[i]); - kfree(work->shared); - kfree(work); + r = amdgpu_crtc_prepare_flip(crtc, + fb, + event, + page_flip_flags, + target, + &work, + &new_abo); + if (r) + return r; - return r; + amdgpu_crtc_submit_flip(crtc, fb, work, new_abo); + + return 0; } int amdgpu_crtc_set_config(struct drm_mode_set *set, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h index 2af2678ddaf6..109a3833c3a8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h @@ -587,6 +587,21 @@ int amdgpu_crtc_page_flip_target(struct drm_crtc *crtc, struct drm_pending_vblank_event *event, uint32_t page_flip_flags, uint32_t target, struct drm_modeset_acquire_ctx *ctx); +void amdgpu_crtc_cleanup_flip_ctx(struct amdgpu_flip_work *work, + struct amdgpu_bo *new_abo); +int amdgpu_crtc_prepare_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags, + uint32_t target, + struct amdgpu_flip_work **work, + struct amdgpu_bo **new_abo); + +void amdgpu_crtc_submit_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct amdgpu_flip_work *work, + struct amdgpu_bo *new_abo); + extern const struct drm_mode_config_funcs amdgpu_mode_funcs; #endif |