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authorJames Zhu <James.Zhu@amd.com>2018-03-06 22:52:35 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-18 13:18:49 +0300
commiteea86015a5400f94ab8858e1cc7d90ea3639c447 (patch)
tree2719844bfcdebef25efcb522a823e6723e61c448 /drivers/gpu/drm/amd/amdgpu
parent957cfa6f9bdec9fde07d034f94a44b708e3bf09b (diff)
downloadlinux-eea86015a5400f94ab8858e1cc7d90ea3639c447.tar.xz
drm/amdgpu:Always save uvd vcpu_bo in VM Mode
commit f8bee6135e167f5b35b7789c74c2956dad14d0d5 upstream. 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 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c13
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 b7715d6a0252..5caf517eec9f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -273,12 +273,15 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev)
if (adev->uvd.vcpu_bo == NULL)
return 0;
- 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;
+ }
cancel_delayed_work_sync(&adev->uvd.idle_work);