Am 29.08.2013 23:24, schrieb Alex Deucher:
For powergating, we just need to re-init the registers, there is no need to resture 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.
Signed-off-by: Alex Deucher alexander.deucher@amd.com
We probably should mention somewhere that this patchset fixes multiple stream playback on Kabini, apart from that the patches are:
Reviewed-by: Christian König christian.koenig@amd.com
drivers/gpu/drm/radeon/cik.c | 13 ++++++++----- drivers/gpu/drm/radeon/uvd_v4_2.c | 5 ----- 2 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index e336a31..79124f8 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -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);}diff --git a/drivers/gpu/drm/radeon/uvd_v4_2.c b/drivers/gpu/drm/radeon/uvd_v4_2.c index d7e4807..d04d507 100644 --- a/drivers/gpu/drm/radeon/uvd_v4_2.c +++ b/drivers/gpu/drm/radeon/uvd_v4_2.c @@ -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;