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authorAlex Deucher <alexdeucher@gmail.com>2010-03-22 18:31:08 +0100
committerDave Airlie <airlied@redhat.com>2010-05-18 10:21:10 +0200
commit58e21dff53b9063563e7bb5f5a795ab2d8f61dda (patch)
treee583e93b5685a8904058820f191048198c73a87f /drivers/gpu/drm
parentdrm/radeon/kms: minor pm cleanups (diff)
downloadlinux-58e21dff53b9063563e7bb5f5a795ab2d8f61dda.tar.xz
linux-58e21dff53b9063563e7bb5f5a795ab2d8f61dda.zip
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>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/radeon/r100.c4
-rw-r--r--drivers/gpu/drm/radeon/r600.c10
-rw-r--r--drivers/gpu/drm/radeon/radeon.h3
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c9
4 files changed, 25 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index f10b747024f1..6443d9ea6c11 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -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");
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 35a5d4856f46..4f7f318b5437 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -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");
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index b9ad976cfb9c..5ffb29597af7 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -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 {
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 87814eb8a1b4..23b79ebce6c1 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -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);
}