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drm/radeon/kms/pm: restore default power state on exit 

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-03-22 13:31:08 -04:00 committed by Dave Airlie
parent 79daedc942
commit 58e21dff53
4 changed files with 25 additions and 1 deletions
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4
drivers/gpu/drm/radeon/r100.c
View File

@ -123,6 +123,10 @@ void r100_get_power_state(struct radeon_device *rdev,
rdev->pm.current_power_state_index + 1;
}
break;
case PM_ACTION_DEFAULT:
rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
rdev->pm.can_upclock = false;
break;
case PM_ACTION_NONE:
default:
DRM_ERROR("Requested mode for not defined action\n");

10
drivers/gpu/drm/radeon/r600.c
View File

@ -161,6 +161,11 @@ void r600_get_power_state(struct radeon_device *rdev,
}
rdev->pm.requested_clock_mode_index = 0;
break;
case PM_ACTION_DEFAULT:
rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
rdev->pm.requested_clock_mode_index = 0;
rdev->pm.can_upclock = false;
break;
case PM_ACTION_NONE:
default:
DRM_ERROR("Requested mode for not defined action\n");
@ -221,6 +226,11 @@ void r600_get_power_state(struct radeon_device *rdev,
rdev->pm.can_upclock = false;
}
break;
case PM_ACTION_DEFAULT:
rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
rdev->pm.requested_clock_mode_index = 0;
rdev->pm.can_upclock = false;
break;
case PM_ACTION_NONE:
default:
DRM_ERROR("Requested mode for not defined action\n");

3
drivers/gpu/drm/radeon/radeon.h
View File

@ -615,7 +615,8 @@ enum radeon_pm_action {
PM_ACTION_NONE,
PM_ACTION_MINIMUM,
PM_ACTION_DOWNCLOCK,
PM_ACTION_UPCLOCK
PM_ACTION_UPCLOCK,
PM_ACTION_DEFAULT
};
enum radeon_voltage_type {

9
drivers/gpu/drm/radeon/radeon_pm.c
View File

@ -125,6 +125,15 @@ int radeon_pm_init(struct radeon_device *rdev)
void radeon_pm_fini(struct radeon_device *rdev)
{
if (rdev->pm.state != PM_STATE_DISABLED) {
/* cancel work */
cancel_delayed_work_sync(&rdev->pm.idle_work);
/* reset default clocks */
rdev->pm.state = PM_STATE_DISABLED;
rdev->pm.planned_action = PM_ACTION_DEFAULT;
radeon_pm_set_clocks(rdev);
}
if (rdev->pm.i2c_bus)
radeon_i2c_destroy(rdev->pm.i2c_bus);
}