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| author | Rex Zhu <Rex.Zhu@amd.com> | 2017-01-20 14:34:43 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-02-08 17:20:55 -0500 |
| commit | d01c6236acff6ec460690dd5b040e53435799295 (patch) | |
| tree | 33b1ea2f9fdcb80f07d0c33ef4fcb4f5795b9a9d /drivers/gpu/drm/amd | |
| parent | 3a78696658a0c99d02efa109758c41d2e060eea0 (diff) | |
| download | linux-d01c6236acff6ec460690dd5b040e53435799295.tar.bz2 | |
drm/amdgpu: refine uvd pg code in kv_dpm.c
1. no need to set cg as use hw dynamic cg.
2. when uvd idle, stop uvd. encode, start uvd.
3. if pg feature enabled, power on/down uvd by smu.
4. drm/amdgpu: dpm do not set uvd pg status.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/kv_dpm.c | 29 |
1 files changed, 8 insertions, 21 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c index 8785ca570729..8159a2dbe427 100644 --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c @@ -1688,38 +1688,25 @@ static void kv_dpm_powergate_uvd(struct amdgpu_device *adev, bool gate) struct kv_power_info *pi = kv_get_pi(adev); int ret; - if (pi->uvd_power_gated == gate) - return; - pi->uvd_power_gated = gate; if (gate) { - if (pi->caps_uvd_pg) { - /* disable clockgating so we can properly shut down the block */ - ret = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD, - AMD_CG_STATE_UNGATE); - /* shutdown the UVD block */ - ret = amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD, - AMD_PG_STATE_GATE); - /* XXX: check for errors */ - } + /* stop the UVD block */ + ret = amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD, + AMD_PG_STATE_GATE); kv_update_uvd_dpm(adev, gate); if (pi->caps_uvd_pg) /* power off the UVD block */ amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerOFF); } else { - if (pi->caps_uvd_pg) { + if (pi->caps_uvd_pg) /* power on the UVD block */ amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_UVDPowerON); /* re-init the UVD block */ - ret = amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD, - AMD_PG_STATE_UNGATE); - /* enable clockgating. hw will dynamically gate/ungate clocks on the fly */ - ret = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD, - AMD_CG_STATE_GATE); - /* XXX: check for errors */ - } kv_update_uvd_dpm(adev, gate); + + ret = amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD, + AMD_PG_STATE_UNGATE); } } @@ -3010,7 +2997,7 @@ static int kv_dpm_late_init(void *handle) kv_dpm_powergate_acp(adev, true); kv_dpm_powergate_samu(adev, true); kv_dpm_powergate_vce(adev, true); - kv_dpm_powergate_uvd(adev, true); + return 0; } |