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authorLang Yu <Lang.Yu@amd.com>2024-04-19 15:40:08 +0800
committerAlex Deucher <alexander.deucher@amd.com>2024-04-23 23:23:28 -0400
commit661d71ee5a010bdc0663e0db701931aff920e8e1 (patch)
tree786a28f383c8b238cd5f6dbe83b48a9985b507de
parente26305f369ed0e087a043c2cdc76f3d9a6efb3bd (diff)
downloadlinux-661d71ee5a010bdc0663e0db701931aff920e8e1.tar.gz
drm/amdgpu/umsch: don't execute umsch test when GPU is in reset/suspend
umsch test needs full GPU functionality(e.g., VM update, TLB flush, possibly buffer moving under memory pressure) which may be not ready under these states. Just skip it to avoid potential issues. Signed-off-by: Lang Yu <Lang.Yu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
index 0df97c3e3a700d..f7c73533e336fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umsch_mm.c
@@ -774,6 +774,9 @@ static int umsch_mm_late_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ if (amdgpu_in_reset(adev) || adev->in_s0ix || adev->in_suspend)
+ return 0;
+
return umsch_mm_test(adev);
}