drm/radeon/dpm: fix forcing performance state to low on cayman

Need to program EnabledLevels to 1 to force the low state.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index 559cf24d51af8dbe7304caa443e7e15118c750ca..4f9b9bc20daaccde2911de65882c5a9c32d23f15 100644 (file)
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -1054,10 +1054,6 @@ static int ni_restrict_performance_levels_before_switch(struct radeon_device *rd
 int ni_dpm_force_performance_level(struct radeon_device *rdev,
                                   enum radeon_dpm_forced_level level)
 {
-       struct radeon_ps *rps = rdev->pm.dpm.current_ps;
-       struct ni_ps *ps = ni_get_ps(rps);
-       u32 levels;
-
        if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
                if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
                        return -EINVAL;
@@ -1068,8 +1064,7 @@ int ni_dpm_force_performance_level(struct radeon_device *rdev,
                if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)
                        return -EINVAL;
 
-               levels = ps->performance_level_count - 1;
-               if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, levels) != PPSMC_Result_OK)
+               if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) != PPSMC_Result_OK)
                        return -EINVAL;
        } else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) {
                if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK)