drm/amdgpu: should stop GFX ring in hw_fini

To align with the scheme from gfx9

disabling GFX ring after VM shutdown could avoid
garbage data be fetched to GFX RB which may lead
to unnecessary screw up on GFX

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 60c95633f3ceb4627eb13c3aad0cc87fd22c7cee..675ce8f1cab7b60c97bbd7e4788d7d4db411df4c 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -3806,7 +3806,7 @@ static int gfx_v10_0_hw_fini(void *handle)
        if (amdgpu_gfx_disable_kcq(adev))
                DRM_ERROR("KCQ disable failed\n");
        if (amdgpu_sriov_vf(adev)) {
-               pr_debug("For SRIOV client, shouldn't do anything.\n");
+               gfx_v10_0_cp_gfx_enable(adev, false);
                return 0;
        }
        gfx_v10_0_cp_enable(adev, false);