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| author | James Zhu <James.Zhu@amd.com> | 2018-03-06 14:52:35 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-03-07 16:30:44 -0500 |
| commit | f8bee6135e167f5b35b7789c74c2956dad14d0d5 (patch) | |
| tree | be4921623035dc801b39d0ef50e5fc1d2358337e | |
| parent | 0e5ee33d2a54e4c55fe92857f23e1cbb0440d6de (diff) | |
| download | linux-f8bee6135e167f5b35b7789c74c2956dad14d0d5.tar.gz | |
drm/amdgpu:Always save uvd vcpu_bo in VM Mode
When UVD is in VM mode, there is not uvd handle exchanged, uvd.handles are always 0. So vcpu_bo always need save, Otherwise amdgpu driver will fail during suspend/resume. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105021 Signed-off-by: James Zhu <James.Zhu@amd.com> Reviewed-by: Leo Liu <leo.liu@amd.com> Reviewed-by: Christian König <christian.koenig@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_uvd.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 6fe155f4d4ab..5c26a8e806b9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -299,12 +299,15 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev) cancel_delayed_work_sync(&adev->uvd.idle_work); - for (i = 0; i < adev->uvd.max_handles; ++i) - if (atomic_read(&adev->uvd.handles[i])) - break; + /* only valid for physical mode */ + if (adev->asic_type < CHIP_POLARIS10) { + for (i = 0; i < adev->uvd.max_handles; ++i) + if (atomic_read(&adev->uvd.handles[i])) + break; - if (i == adev->uvd.max_handles) - return 0; + if (i == adev->uvd.max_handles) + return 0; + } size = amdgpu_bo_size(adev->uvd.vcpu_bo); ptr = adev->uvd.cpu_addr; |