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drm/radeon: raise UVD clocks only on demand

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That not only saves some power, but also solves problems with
older chips where an idle UVD block on higher clocks can
cause problems.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2013-04-18 15:25:59 +02:00 • committed by Alex Deucher
commit 55b51c88c5
3 changed files with 34 additions and 2 deletions
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2
drivers/gpu/drm/radeon/radeon.h
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@ -1143,6 +1143,7 @@ struct radeon_uvd {
uint64_t gpu_addr;
atomic_t handles[RADEON_MAX_UVD_HANDLES];
struct drm_file *filp[RADEON_MAX_UVD_HANDLES];
struct delayed_work idle_work;
};
int radeon_uvd_init(struct radeon_device *rdev);
@ -1157,6 +1158,7 @@ void radeon_uvd_force_into_uvd_segment(struct radeon_bo *rbo);
void radeon_uvd_free_handles(struct radeon_device *rdev,
struct drm_file *filp);
int radeon_uvd_cs_parse(struct radeon_cs_parser *parser);
void radeon_uvd_note_usage(struct radeon_device *rdev);
struct r600_audio {
int channels;