From: Jinzhou Su Jinzhou.Su@amd.com

[ Upstream commit 5c88e3b86a88f14efa0a3ddd28641c6ff49fb9c4 ]

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 --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 024d0a563a65..f41764cee690 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -77,6 +77,8 @@ 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);