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drm/radeon/dpm: track whether we are on AC or battery 

Driver needs this information to validate power states.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2012-11-30 10:56:57 -05:00
parent 61b7d60110
commit 5ca302f701
2 changed files with 8 additions and 0 deletions
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1
drivers/gpu/drm/radeon/radeon.h
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@ -1309,6 +1309,7 @@ struct radeon_dpm {
u32 tdp_adjustment;
u16 load_line_slope;
bool power_control;
bool ac_power;
/* special states active */
bool thermal_active;
bool uvd_active;

7
drivers/gpu/drm/radeon/radeon_pm.c
View File

@ -1215,6 +1215,7 @@ static void radeon_pm_compute_clocks_dpm(struct radeon_device *rdev)
mutex_lock(&rdev->pm.mutex);
/* update active crtc counts */
rdev->pm.dpm.new_active_crtcs = 0;
rdev->pm.dpm.new_active_crtc_count = 0;
list_for_each_entry(crtc,
@ -1226,6 +1227,12 @@ static void radeon_pm_compute_clocks_dpm(struct radeon_device *rdev)
}
}
/* update battery/ac status */
if (power_supply_is_system_supplied() > 0)
rdev->pm.dpm.ac_power = true;
else
rdev->pm.dpm.ac_power = false;
radeon_dpm_change_power_state_locked(rdev);
mutex_unlock(&rdev->pm.mutex);