[PATCH 05/15] drm/amdgpu: use DMA_RESV_USAGE_KERNEL

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Wait only for kernel fences before kmap or UVD direct submission.

This also makes sure that we always wait in amdgpu_bo_kmap() even when
returning a cached pointer.

Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 10 +++++-----
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c    |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index a3cdf8a24377..5832c05ab10d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -761,6 +761,11 @@ int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr)
 	if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
 		return -EPERM;
 
+	r = dma_resv_wait_timeout(bo->tbo.base.resv, DMA_RESV_USAGE_KERNEL,
+				  false, MAX_SCHEDULE_TIMEOUT);
+	if (r < 0)
+		return r;
+
 	kptr = amdgpu_bo_kptr(bo);
 	if (kptr) {
 		if (ptr)
@@ -768,11 +773,6 @@ int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr)
 		return 0;
 	}
 
-	r = dma_resv_wait_timeout(bo->tbo.base.resv, DMA_RESV_USAGE_WRITE,
-				  false, MAX_SCHEDULE_TIMEOUT);
-	if (r < 0)
-		return r;
-
 	r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.resource->num_pages, &bo->kmap);
 	if (r)
 		return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 3654326219e0..6eac649499d3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -1164,7 +1164,7 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
 
 	if (direct) {
 		r = dma_resv_wait_timeout(bo->tbo.base.resv,
-					  DMA_RESV_USAGE_WRITE, false,
+					  DMA_RESV_USAGE_KERNEL, false,
 					  msecs_to_jiffies(10));
 		if (r == 0)
 			r = -ETIMEDOUT;
-- 
2.25.1




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