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drm/amdgpu: fix s3 resume back, uvd dpm randomly can't disable.

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the value of last_mclk_dpm_enable_mask will be changed if
other clients(vce,dal) trigger set power state between enable
and disable uvd dpm.

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>
This commit is contained in:
Rex Zhu 2016-10-21 16:55:02 +08:00 committed by Alex Deucher
parent 537b4b462c
commit 49a5d73fd0
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/ci_dpm.c
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@ -4075,7 +4075,7 @@ static int ci_enable_uvd_dpm(struct amdgpu_device *adev, bool enable)
pi->dpm_level_enable_mask.mclk_dpm_enable_mask);
}
} else {
if (pi->last_mclk_dpm_enable_mask & 0x1) {
if (pi->uvd_enabled) {
pi->uvd_enabled = false;
pi->dpm_level_enable_mask.mclk_dpm_enable_mask |= 1;
amdgpu_ci_send_msg_to_smc_with_parameter(adev,