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drm/amdgpu: refine ci uvd dpm code. 

Fix up the powergating logic.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Ack-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2017-01-12 21:50:18 +08:00 committed by Alex Deucher
parent 50261151a1
commit a1970a6382
1 changed files with 10 additions and 1 deletions
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11
drivers/gpu/drm/amd/amdgpu/ci_dpm.c
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@ -889,7 +889,16 @@ static void ci_dpm_powergate_uvd(struct amdgpu_device *adev, bool gate)
pi->uvd_power_gated = gate;
ci_update_uvd_dpm(adev, gate);
if (gate) {
/* stop the UVD block */
amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
AMD_PG_STATE_GATE);
ci_update_uvd_dpm(adev, gate);
} else {
amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
AMD_PG_STATE_UNGATE);
ci_update_uvd_dpm(adev, gate);
}
}
static bool ci_dpm_vblank_too_short(struct amdgpu_device *adev)