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drm/radeon/dpm: implement force performance level for TN

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Allows you to force the selected performance level via sysfs.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2013-07-02 18:52:10 -04:00
parent 5d5e559193
commit 9b5de59629
6 changed files with 44 additions and 0 deletions
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7
drivers/gpu/drm/radeon/trinity_smc.c
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@@ -73,6 +73,13 @@ int trinity_dpm_force_state(struct radeon_device *rdev, u32 n)
return trinity_notify_message_to_smu(rdev, PPSMC_MSG_DPM_ForceState);
}
int trinity_dpm_n_levels_disabled(struct radeon_device *rdev, u32 n)
{
WREG32_SMC(SMU_SCRATCH0, n);
return trinity_notify_message_to_smu(rdev, PPSMC_MSG_DPM_N_LevelsDisabled);
}
int trinity_uvd_dpm_config(struct radeon_device *rdev)
{
return trinity_notify_message_to_smu(rdev, PPSMC_MSG_UVD_DPM_Config);