From 87c0b55b65de64d97fe36d1eaa00d3f38f1a8869 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 --- 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 deletions(-) diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index b035eb5..9a7d16b 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -122,6 +122,10 @@ 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 b569627..a93831a 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -148,6 +148,11 @@ 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"); @@ -208,6 +213,11 @@ 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 236a652..43f6734 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -612,7 +612,8 @@ 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 77c6a2e..062ccdd 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); } -- 1.5.6.3