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drm/amdgpu: Add mem sync flag for IB allocated by SA

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[ Upstream commit 5c88e3b86a ]

The buffer of SA bo will be used by many cases. So it's better
to invalidate the cache of indirect buffer allocated by SA before
commit the IB.

Signed-off-by: Jinzhou Su <Jinzhou.Su@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jinzhou Su
2021-04-20 16:17:14 +08:00
committed by Greg Kroah-Hartman
parent 8be5e713f7
commit 5b02d6efdb
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
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@@ -75,6 +75,8 @@ int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
}
ib->ptr = amdgpu_sa_bo_cpu_addr(ib->sa_bo);
/* flush the cache before commit the IB */
ib->flags = AMDGPU_IB_FLAG_EMIT_MEM_SYNC;
if (!vm)
ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);