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| author | Christian König <christian.koenig@amd.com> | 2016-01-21 13:28:53 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-02-10 22:16:58 +0300 |
| commit | a27de35caab59bacf5c47713856739f86ec06e43 (patch) | |
| tree | 7452339b06230a40ed9f2986d1c525e1e793173c /drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | |
| parent | a9a78b329a3e31a977f8d8ef64b2f3a574899992 (diff) | |
| download | linux-a27de35caab59bacf5c47713856739f86ec06e43.tar.xz | |
drm/amdgpu: remove the ring lock v2
It's not needed any more because all access goes through the scheduler now.
v2: Update commit message.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 7d8d84eaea4a..a0da563c8c82 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -623,14 +623,12 @@ force: amdgpu_dpm_print_power_state(adev, adev->pm.dpm.requested_ps); } - mutex_lock(&adev->ring_lock); - /* update whether vce is active */ ps->vce_active = adev->pm.dpm.vce_active; ret = amdgpu_dpm_pre_set_power_state(adev); if (ret) - goto done; + return; /* update display watermarks based on new power state */ amdgpu_display_bandwidth_update(adev); @@ -667,9 +665,6 @@ force: amdgpu_dpm_force_performance_level(adev, adev->pm.dpm.forced_level); } } - -done: - mutex_unlock(&adev->ring_lock); } void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable) @@ -802,13 +797,11 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev) int i = 0; amdgpu_display_bandwidth_update(adev); - mutex_lock(&adev->ring_lock); - for (i = 0; i < AMDGPU_MAX_RINGS; i++) { - struct amdgpu_ring *ring = adev->rings[i]; - if (ring && ring->ready) - amdgpu_fence_wait_empty(ring); - } - mutex_unlock(&adev->ring_lock); + for (i = 0; i < AMDGPU_MAX_RINGS; i++) { + struct amdgpu_ring *ring = adev->rings[i]; + if (ring && ring->ready) + amdgpu_fence_wait_empty(ring); + } amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_DISPLAY_CONFIG_CHANGE, NULL, NULL); } else { |