[PATCH 2/2] drm/amdgpu:Always save uvd vcpu_bo in VM Mode

James Zhu James.Zhu at amd.com
Tue Mar 6 20:14:06 UTC 2018


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 at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 9d037cb..61a31e5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -303,7 +303,8 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev)
 		if (atomic_read(&adev->uvd.handles[i]))
 			break;
 
-	if (i == adev->uvd.max_handles)
+	/* only valid for physical mode */
+	if (i == adev->uvd.max_handles && adev->asic_type < CHIP_POLARIS10)
 		return 0;
 
 	size = amdgpu_bo_size(adev->uvd.vcpu_bo);
-- 
2.7.4



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