From 58e21dff53b9063563e7bb5f5a795ab2d8f61dda Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 22 Mar 2010 13:31:08 -0400 Subject: [PATCH] drm/radeon/kms/pm: restore default power state on exit Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/r100.c | 4 ++++ drivers/gpu/drm/radeon/r600.c | 10 ++++++++++ drivers/gpu/drm/radeon/radeon.h | 3 ++- drivers/gpu/drm/radeon/radeon_pm.c | 9 +++++++++ 4 files changed, 25 insertions(+), 1 deletion(-) 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); } -- 2.30.2