diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index 784b03abb3a4..645efe002d06 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -2118,6 +2118,63 @@ void amdgpu_gfx_enforce_isolation_ring_end_use(struct amdgpu_ring *ring) amdgpu_gfx_kfd_sch_ctrl(adev, idx, true); } +void amdgpu_gfx_profile_idle_work_handler(struct work_struct *work) +{ + struct amdgpu_device *adev = + container_of(work, struct amdgpu_device, gfx.idle_work.work); + enum PP_SMC_POWER_PROFILE profile; + u32 i, fences = 0; + int r; + + if (adev->gfx.num_gfx_rings) + profile = PP_SMC_POWER_PROFILE_FULLSCREEN3D; + else + profile = PP_SMC_POWER_PROFILE_COMPUTE; + + for (i = 0; i < AMDGPU_MAX_GFX_RINGS; ++i) + fences += amdgpu_fence_count_emitted(&adev->gfx.gfx_ring[i]); + for (i = 0; i < (AMDGPU_MAX_COMPUTE_RINGS * AMDGPU_MAX_GC_INSTANCES); ++i) + fences += amdgpu_fence_count_emitted(&adev->gfx.compute_ring[i]); + if (!fences && !atomic_read(&adev->gfx.total_submission_cnt)) { + r = amdgpu_dpm_switch_power_profile(adev, profile, false); + if (r) + dev_warn(adev->dev, "(%d) failed to disable %s power profile mode\n", r, + profile == PP_SMC_POWER_PROFILE_FULLSCREEN3D ? + "fullscreen 3D" : "compute"); + } else { + schedule_delayed_work(&adev->gfx.idle_work, GFX_PROFILE_IDLE_TIMEOUT); + } +} + +void amdgpu_gfx_profile_ring_begin_use(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + enum PP_SMC_POWER_PROFILE profile; + int r; + + if (adev->gfx.num_gfx_rings) + profile = PP_SMC_POWER_PROFILE_FULLSCREEN3D; + else + profile = PP_SMC_POWER_PROFILE_COMPUTE; + + atomic_inc(&adev->gfx.total_submission_cnt); + + if (!cancel_delayed_work_sync(&adev->gfx.idle_work)) { + r = amdgpu_dpm_switch_power_profile(adev, profile, true); + if (r) + dev_warn(adev->dev, "(%d) failed to disable %s power profile mode\n", r, + profile == PP_SMC_POWER_PROFILE_FULLSCREEN3D ? + "fullscreen 3D" : "compute"); + } +} + +void amdgpu_gfx_profile_ring_end_use(struct amdgpu_ring *ring) +{ + atomic_dec(&ring->adev->gfx.total_submission_cnt); + + schedule_delayed_work(&ring->adev->gfx.idle_work, GFX_PROFILE_IDLE_TIMEOUT); +} + /* * debugfs for to enable/disable gfx job submission to specific core. */ |