diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 1b27d7f7fcfa..22a2874116c9 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -708,7 +708,6 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id) mutex_init(&dev_priv->cmdbuf_mutex); mutex_init(&dev_priv->binding_mutex); - ttm_lock_init(&dev_priv->reservation_sem); spin_lock_init(&dev_priv->resource_lock); spin_lock_init(&dev_priv->hw_lock); spin_lock_init(&dev_priv->waiter_lock); @@ -966,6 +965,7 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id) DRM_INFO("SM4_1 support available.\n"); if (dev_priv->sm_type == VMW_SM_4) DRM_INFO("SM4 support available.\n"); + DRM_INFO("Running without reservation semaphore\n"); snprintf(host_log, sizeof(host_log), "vmwgfx: Module Version: %d.%d.%d", VMWGFX_DRIVER_MAJOR, VMWGFX_DRIVER_MINOR, @@ -1191,9 +1191,7 @@ static void __vmw_svga_enable(struct vmw_private *dev_priv) */ void vmw_svga_enable(struct vmw_private *dev_priv) { - (void) ttm_read_lock(&dev_priv->reservation_sem, false); __vmw_svga_enable(dev_priv); - ttm_read_unlock(&dev_priv->reservation_sem); } /** @@ -1238,7 +1236,6 @@ void vmw_svga_disable(struct vmw_private *dev_priv) * */ vmw_kms_lost_device(&dev_priv->drm); - ttm_write_lock(&dev_priv->reservation_sem, false); if (ttm_resource_manager_used(man)) { if (ttm_resource_manager_evict_all(&dev_priv->bdev, man)) DRM_ERROR("Failed evicting VRAM buffers.\n"); @@ -1247,7 +1244,6 @@ void vmw_svga_disable(struct vmw_private *dev_priv) SVGA_REG_ENABLE_HIDE | SVGA_REG_ENABLE_ENABLE); } - ttm_write_unlock(&dev_priv->reservation_sem); } static void vmw_remove(struct pci_dev *pdev) @@ -1287,14 +1283,12 @@ static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val, * Once user-space processes have been frozen, we can release * the lock again. */ - ttm_suspend_lock(&dev_priv->reservation_sem); dev_priv->suspend_locked = true; break; case PM_POST_HIBERNATION: case PM_POST_RESTORE: if (READ_ONCE(dev_priv->suspend_locked)) { dev_priv->suspend_locked = false; - ttm_suspend_unlock(&dev_priv->reservation_sem); } break; default: @@ -1353,20 +1347,16 @@ static int vmw_pm_freeze(struct device *kdev) int ret; /* - * Unlock for vmw_kms_suspend. * No user-space processes should be running now. */ - ttm_suspend_unlock(&dev_priv->reservation_sem); ret = vmw_kms_suspend(&dev_priv->drm); if (ret) { - ttm_suspend_lock(&dev_priv->reservation_sem); DRM_ERROR("Failed to freeze modesetting.\n"); return ret; } if (dev_priv->enable_fb) vmw_fb_off(dev_priv); - ttm_suspend_lock(&dev_priv->reservation_sem); vmw_execbuf_release_pinned_bo(dev_priv); vmw_resource_evict_all(dev_priv); vmw_release_device_early(dev_priv); @@ -1379,7 +1369,6 @@ static int vmw_pm_freeze(struct device *kdev) vmw_fifo_resource_inc(dev_priv); WARN_ON(vmw_request_device_late(dev_priv)); dev_priv->suspend_locked = false; - ttm_suspend_unlock(&dev_priv->reservation_sem); if (dev_priv->suspend_state) vmw_kms_resume(dev); if (dev_priv->enable_fb) @@ -1416,7 +1405,6 @@ static int vmw_pm_restore(struct device *kdev) vmw_fence_fifo_up(dev_priv->fman); dev_priv->suspend_locked = false; - ttm_suspend_unlock(&dev_priv->reservation_sem); if (dev_priv->suspend_state) vmw_kms_resume(&dev_priv->drm); |