From cd05b51aaa6ea6f7e4c22802e3f2703ac6087912 Mon Sep 17 00:00:00 2001
From: Monk Liu <Monk.Liu@amd.com>
Date: Fri, 29 Nov 2019 16:20:51 +0800
Subject: drm/amdgpu: should stop GFX ring in hw_fini
Git-commit: cd05b51aaa6ea6f7e4c22802e3f2703ac6087912
Patch-mainline: v5.5-rc1
References: bsc#1152489
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>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index c78cc2b2a4cd..4745796701cb 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -3809,7 +3809,7 @@ 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);
--
2.28.0