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| author | Kenneth Feng <kenneth.feng@amd.com> | 2020-11-04 11:24:33 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-11-04 17:09:50 -0500 |
| commit | 5ce71f59bb9bd3d8a09b96afdbc92975cb6dc303 (patch) | |
| tree | fa1f5a0e31501ad593cc7796786cb9fda4a5f0cf /drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | |
| parent | 5c9a6272e768af1d68a0490f4794b852f1e7fdc6 (diff) | |
| download | linux-stable-5ce71f59bb9bd3d8a09b96afdbc92975cb6dc303.tar.gz linux-stable-5ce71f59bb9bd3d8a09b96afdbc92975cb6dc303.tar.bz2 linux-stable-5ce71f59bb9bd3d8a09b96afdbc92975cb6dc303.zip | |
drm/amd/amdgpu: switch on/off vcn power profile mode
switch to vcn power profile mode when a video is playing.
this can optimize the power/performance when the workload
is on the vcn.
Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 0145504e408b..7e19a6656715 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -332,6 +332,7 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work) container_of(work, struct amdgpu_device, vcn.idle_work.work); unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0}; unsigned int i, j; + int r = 0; for (j = 0; j < adev->vcn.num_vcn_inst; ++j) { if (adev->vcn.harvest_config & (1 << j)) @@ -361,6 +362,10 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work) amdgpu_gfx_off_ctrl(adev, true); amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN, AMD_PG_STATE_GATE); + r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO, + false); + if (r) + dev_warn(adev->dev, "(%d) failed to disable video power profile mode\n", r); } else { schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT); } @@ -369,11 +374,17 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work) void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; + int r = 0; atomic_inc(&adev->vcn.total_submission_cnt); - if (!cancel_delayed_work_sync(&adev->vcn.idle_work)) + if (!cancel_delayed_work_sync(&adev->vcn.idle_work)) { amdgpu_gfx_off_ctrl(adev, false); + r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO, + true); + if (r) + dev_warn(adev->dev, "(%d) failed to switch to video power profile mode\n", r); + } mutex_lock(&adev->vcn.vcn_pg_lock); amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN, |