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drm/radeon/dpm: enable dynamic vce state switching v2

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enable vce states when vce is active.  When vce is active,
it adjusts the currently selected state (performance, battery,
uvd, etc.)

v2: add code comments

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Alex Deucher
2013-08-23 11:56:26 -04:00
committed by Christian König
parent 4233290519
commit 03afe6f648
4 changed files with 85 additions and 0 deletions
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3
drivers/gpu/drm/radeon/radeon.h
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@@ -1518,6 +1518,7 @@ struct radeon_dpm {
};
void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable);
void radeon_dpm_enable_vce(struct radeon_device *rdev, bool enable);
struct radeon_pm {
struct mutex mutex;
@@ -1638,6 +1639,7 @@ struct radeon_vce {
unsigned fb_version;
atomic_t handles[RADEON_MAX_VCE_HANDLES];
struct drm_file *filp[RADEON_MAX_VCE_HANDLES];
struct delayed_work idle_work;
};
int radeon_vce_init(struct radeon_device *rdev);
@@ -1649,6 +1651,7 @@ int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring,
int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring,
uint32_t handle, struct radeon_fence **fence);
void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp);
void radeon_vce_note_usage(struct radeon_device *rdev);
int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi);
int radeon_vce_cs_parse(struct radeon_cs_parser *p);
bool radeon_vce_semaphore_emit(struct radeon_device *rdev,