From fa78e367a24977d76832fda6790e9e1c35788f80 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 22 Sep 2021 14:13:13 +0200
Subject: [PATCH] drm/amdgpu: stop getting excl fence separately
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Just grab all fences for the display flip in one go.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211028132630.2330-2-christian.koenig@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 d58e37fd01f47..4da7eb65e7447 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 dc50c05f23fc2..68108f151dadf 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 @@ unreserve:
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);
--
2.30.2