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drm/radeon: split out radeon_uvd_resume from uvd_v4_2_resume

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For powergating, we just need to re-init the registers, there
is no need to restore the uvd BOs.  This just adds needless
work when powergating uvd for playback while the system is
on.  We only need to restore the uvd BOs on an actual resume
from suspend or when the driver loads.

This fixes multi-stream UVD playback on KB systems.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Alex Deucher 2013-08-28 18:12:59 -04:00
parent 27c505ca84
commit 2ce529dac7
2 changed files with 8 additions and 10 deletions
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13
drivers/gpu/drm/radeon/cik.c
View File

@ -7051,12 +7051,15 @@ static int cik_startup(struct radeon_device *rdev)
return r;
}
r = uvd_v4_2_resume(rdev);
r = radeon_uvd_resume(rdev);
if (!r) {
r = radeon_fence_driver_start_ring(rdev,
R600_RING_TYPE_UVD_INDEX);
if (r)
dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
r = uvd_v4_2_resume(rdev);
if (!r) {
r = radeon_fence_driver_start_ring(rdev,
R600_RING_TYPE_UVD_INDEX);
if (r)
dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
}
}
if (r)
rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;

5
drivers/gpu/drm/radeon/uvd_v4_2.c
View File

@ -39,11 +39,6 @@ int uvd_v4_2_resume(struct radeon_device *rdev)
{
uint64_t addr;
uint32_t size;
int r;
r = radeon_uvd_resume(rdev);
if (r)
return r;
/* programm the VCPU memory controller bits 0-27 */
addr = rdev->uvd.gpu_addr >> 3;