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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4616-drm-amdgpu-should-stop-GFX-ring-in-hw_fini.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4616-drm-amdgpu-should-stop-GFX-ring-in-hw_fini.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4616-drm-amdgpu-should-stop-GFX-ring-in-hw_fini.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4616-drm-amdgpu-should-stop-GFX-ring-in-hw_fini.patch
new file mode 100644
index 00000000..eb7ba795
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4616-drm-amdgpu-should-stop-GFX-ring-in-hw_fini.patch
@@ -0,0 +1,33 @@
+From cf9b2a4cf8e35ce24f5d1d6f7e98579cda2ec175 Mon Sep 17 00:00:00 2001
+From: Monk Liu <Monk.Liu@amd.com>
+Date: Fri, 29 Nov 2019 16:20:51 +0800
+Subject: [PATCH 4616/4736] 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>
+---
+ 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 5bd31e49601c..fd7ae21eb540 100644
+--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+@@ -3810,7 +3810,7 @@ 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);
+--
+2.17.1
+