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drm/radeon/dpm: retain user selected performance level across state changes

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If the user has forced the state high or low, retain that preference
even when we switch power states.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=70654

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-10-23 17:31:42 -04:00
parent 0a17af373c
commit 14ac88af15
1 changed files with 8 additions and 4 deletions
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12
drivers/gpu/drm/radeon/radeon_pm.c
View file

@ -923,12 +923,16 @@ static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev)
radeon_dpm_post_set_power_state(rdev);
if (rdev->asic->dpm.force_performance_level) {
if (rdev->pm.dpm.thermal_active)
if (rdev->pm.dpm.thermal_active) {
enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level;
/* force low perf level for thermal */
radeon_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_LOW);
else
/* otherwise, enable auto */
radeon_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO);
/* save the user's level */
rdev->pm.dpm.forced_level = level;
} else {
/* otherwise, user selected level */
radeon_dpm_force_performance_level(rdev, rdev->pm.dpm.forced_level);
}
}
done: