[PATCH 2/6] drm/amdgpu: stop getting excl fence separately

Christian König ckoenig.leichtzumerken at gmail.com
Thu Oct 28 13:26:26 UTC 2021


Just grab all fences for the display flip in one go.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h         | 1 -
 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 6 +-----
 2 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index d58e37fd01f4..4da7eb65e744 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -457,7 +457,6 @@ struct amdgpu_flip_work {
 	uint64_t			base;
 	struct drm_pending_vblank_event *event;
 	struct amdgpu_bo		*old_abo;
-	struct dma_fence		*excl;
 	unsigned			shared_count;
 	struct dma_fence		**shared;
 	struct dma_fence_cb		cb;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index dc50c05f23fc..68108f151dad 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -83,9 +83,6 @@ static void amdgpu_display_flip_work_func(struct work_struct *__work)
 	unsigned i;
 	int vpos, hpos;
 
-	if (amdgpu_display_flip_handle_fence(work, &work->excl))
-		return;
-
 	for (i = 0; i < work->shared_count; ++i)
 		if (amdgpu_display_flip_handle_fence(work, &work->shared[i]))
 			return;
@@ -203,7 +200,7 @@ int amdgpu_display_crtc_page_flip_target(struct drm_crtc *crtc,
 		goto unpin;
 	}
 
-	r = dma_resv_get_fences(new_abo->tbo.base.resv, &work->excl,
+	r = dma_resv_get_fences(new_abo->tbo.base.resv, NULL,
 				&work->shared_count, &work->shared);
 	if (unlikely(r != 0)) {
 		DRM_ERROR("failed to get fences for buffer\n");
@@ -253,7 +250,6 @@ int amdgpu_display_crtc_page_flip_target(struct drm_crtc *crtc,
 
 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);
-- 
2.25.1



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