diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 7cc54c804cb..134b19537d1 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -61,6 +61,8 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch) if (!static_switch) radeon_get_power_state(rdev, rdev->pm.planned_action); + mutex_lock(&rdev->ddev->struct_mutex); + mutex_lock(&rdev->vram_mutex); mutex_lock(&rdev->cp.mutex); /* wait for GPU idle */ @@ -73,8 +75,6 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch) rdev->irq.gui_idle = false; radeon_irq_set(rdev); - mutex_lock(&rdev->vram_mutex); - radeon_unmap_vram_bos(rdev); if (!static_switch) { @@ -97,8 +97,6 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch) } } - mutex_unlock(&rdev->vram_mutex); - /* update display watermarks based on new power state */ radeon_update_bandwidth_info(rdev); if (rdev->pm.active_crtc_count) @@ -107,6 +105,8 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev, int static_switch) rdev->pm.planned_action = PM_ACTION_NONE; mutex_unlock(&rdev->cp.mutex); + mutex_unlock(&rdev->vram_mutex); + mutex_unlock(&rdev->ddev->struct_mutex); } static ssize_t radeon_get_power_state_static(struct device *dev, @@ -134,7 +134,6 @@ static ssize_t radeon_set_power_state_static(struct device *dev, return count; } - mutex_lock(&rdev->ddev->struct_mutex); mutex_lock(&rdev->pm.mutex); if ((ps >= 0) && (ps < rdev->pm.num_power_states) && (cm >= 0) && (cm < rdev->pm.power_state[ps].num_clock_modes)) { @@ -152,7 +151,6 @@ static ssize_t radeon_set_power_state_static(struct device *dev, } else DRM_ERROR("Invalid power state: %d.%d\n\n", ps, cm); mutex_unlock(&rdev->pm.mutex); - mutex_unlock(&rdev->ddev->struct_mutex); return count; } @@ -189,13 +187,11 @@ static ssize_t radeon_set_dynpm(struct device *dev, } else if (tmp == 1) { if (rdev->pm.num_power_states > 1) { /* enable dynpm */ - mutex_lock(&rdev->ddev->struct_mutex); mutex_lock(&rdev->pm.mutex); rdev->pm.state = PM_STATE_PAUSED; rdev->pm.planned_action = PM_ACTION_DEFAULT; radeon_get_power_state(rdev, rdev->pm.planned_action); mutex_unlock(&rdev->pm.mutex); - mutex_unlock(&rdev->ddev->struct_mutex); /* update power mode info */ radeon_pm_compute_clocks(rdev); DRM_INFO("radeon: dynamic power management enabled\n"); @@ -318,11 +314,9 @@ void radeon_pm_fini(struct radeon_device *rdev) (rdev->pm.current_clock_mode_index != 0)) { rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; rdev->pm.requested_clock_mode_index = 0; - mutex_lock(&rdev->ddev->struct_mutex); mutex_lock(&rdev->pm.mutex); radeon_pm_set_clocks(rdev, true); mutex_unlock(&rdev->pm.mutex); - mutex_unlock(&rdev->ddev->struct_mutex); } device_remove_file(rdev->dev, &dev_attr_power_state); @@ -341,7 +335,6 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev) if (rdev->pm.state == PM_STATE_DISABLED) return; - mutex_lock(&rdev->ddev->struct_mutex); mutex_lock(&rdev->pm.mutex); rdev->pm.active_crtcs = 0; @@ -392,7 +385,6 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev) } mutex_unlock(&rdev->pm.mutex); - mutex_unlock(&rdev->ddev->struct_mutex); } bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish) @@ -468,7 +460,6 @@ static void radeon_pm_idle_work_handler(struct work_struct *work) pm.idle_work.work); resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev); - mutex_lock(&rdev->ddev->struct_mutex); mutex_lock(&rdev->pm.mutex); if (rdev->pm.state == PM_STATE_ACTIVE) { unsigned long irq_flags; @@ -513,7 +504,6 @@ static void radeon_pm_idle_work_handler(struct work_struct *work) } } mutex_unlock(&rdev->pm.mutex); - mutex_unlock(&rdev->ddev->struct_mutex); ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); queue_delayed_work(rdev->wq, &rdev->pm.idle_work, |