diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2016-10-26 18:05:00 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-10-27 15:18:58 -0400 |
| commit | 3495a103579380288a130dc1862488cd8a4293f5 (patch) | |
| tree | fd07fb6b1dc0c61a15ba563cad3ef2e46687f45c /drivers/gpu/drm/amd/amdgpu/ci_dpm.c | |
| parent | 415282b15e15c2d7fb18e29c5b554cc7f4ff5c52 (diff) | |
drm/amdgpu: turn on/off uvd clock when dpm enable/disable on CI
Signed-off-by: Rex Zhu <Rex.Zhu@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/amdgpu/ci_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/ci_dpm.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c index 3295fbbdf8c8..e9b1964d4e61 100644 --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c @@ -887,9 +887,6 @@ static void ci_dpm_powergate_uvd(struct amdgpu_device *adev, bool gate) { struct ci_power_info *pi = ci_get_pi(adev); - if (pi->uvd_power_gated == gate) - return; - pi->uvd_power_gated = gate; ci_update_uvd_dpm(adev, gate); @@ -4201,8 +4198,15 @@ static int ci_update_uvd_dpm(struct amdgpu_device *adev, bool gate) { struct ci_power_info *pi = ci_get_pi(adev); u32 tmp; + int ret = 0; if (!gate) { + /* turn the clocks on when decoding */ + ret = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD, + AMD_CG_STATE_UNGATE); + if (ret) + return ret; + if (pi->caps_uvd_dpm || (adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.count <= 0)) pi->smc_state_table.UvdBootLevel = 0; @@ -4214,9 +4218,17 @@ static int ci_update_uvd_dpm(struct amdgpu_device *adev, bool gate) tmp &= ~DPM_TABLE_475__UvdBootLevel_MASK; tmp |= (pi->smc_state_table.UvdBootLevel << DPM_TABLE_475__UvdBootLevel__SHIFT); WREG32_SMC(ixDPM_TABLE_475, tmp); + ret = ci_enable_uvd_dpm(adev, true); + } else { + ret = ci_enable_uvd_dpm(adev, false); + if (ret) + return ret; + + ret = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD, + AMD_CG_STATE_GATE); } - return ci_enable_uvd_dpm(adev, !gate); + return ret; } static u8 ci_get_vce_boot_level(struct amdgpu_device *adev) |