On 4/5/2023 06:29, Aaron Liu wrote:
GFX is in gfxoff mode during s0ix so we shouldn't need to
actually execute kfd_iommu_suspend/kfd_iommu_resume operation.
Signed-off-by: Aaron Liu <aaron.liu@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 3b6b85d9e0be..5094be94fa06 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3304,9 +3304,11 @@ static int amdgpu_device_ip_resume(struct amdgpu_device *adev)
{
int r;
- r = amdgpu_amdkfd_resume_iommu(adev);
- if (r)
- return r;
+ if (!adev->in_s0ix) {
+ r = amdgpu_amdkfd_resume_iommu(adev);
+ if (r)
+ return r;
+ }
r = amdgpu_device_ip_resume_phase1(adev);
if (r)
