[PATCH 089/165] drm/radeon/dpm: track whether we are on AC or battery
alexdeucher at gmail.com
alexdeucher at gmail.com
Wed Jun 26 06:22:49 PDT 2013
From: Alex Deucher <alexander.deucher at amd.com>
Driver needs this information to validate power states.
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/radeon/radeon.h | 1 +
drivers/gpu/drm/radeon/radeon_pm.c | 7 +++++++
2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 5bdb0bd..53aba4f 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1314,6 +1314,7 @@ 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;
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 5987580..9ac261f 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1218,6 +1218,7 @@ 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,
@@ -1229,6 +1230,12 @@ 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);
--
1.7.7.5
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