From: Dave Airlie airlied@redhat.com
Don't bother returning EBUSY, nobody cares enough, if the driver has a problem, it should deal with it.
Signed-off-by: Dave Airlie airlied@redhat.com --- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 14 +++++++++++++- drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 1 + drivers/gpu/drm/vmwgfx/vmwgfx_thp.c | 23 +++++++++++++---------- 3 files changed, 27 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 364d5f3ff9a8..4f4d22bac477 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -637,6 +637,17 @@ static int vmw_vram_manager_init(struct vmw_private *dev_priv) dev_priv->bdev.man[TTM_PL_VRAM].use_type = false; return ret; } + +static void vmw_vram_manager_fini(struct vmw_private *dev_priv) +{ +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + vmw_thp_fini(dev_priv); +#else + ttm_bo_man_fini(&dev_priv->bdev, + &dev_priv->bdev.man[TTM_PL_VRAM]); +#endif +} + static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) { struct vmw_private *dev_priv; @@ -988,7 +999,7 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB); if (dev_priv->has_gmr) (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR); - (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM); + vmw_vram_manager_fini(dev_priv); out_no_vram: (void)ttm_bo_device_release(&dev_priv->bdev); out_no_bdev: @@ -1042,6 +1053,7 @@ static void vmw_driver_unload(struct drm_device *dev) vmw_release_device_early(dev_priv); if (dev_priv->has_mob) (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB); + vmw_vram_manager_fini(dev_priv); (void) ttm_bo_device_release(&dev_priv->bdev); drm_vma_offset_manager_destroy(&dev_priv->vma_manager); vmw_release_device_late(dev_priv); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 8f319dd6cdb4..c6530d7b6d51 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -1521,6 +1521,7 @@ vm_fault_t vmw_bo_vm_huge_fault(struct vm_fault *vmf, /* Transparent hugepage support - vmwgfx_thp.c */ #ifdef CONFIG_TRANSPARENT_HUGEPAGE extern int vmw_thp_init(struct vmw_private *dev_priv); +void vmw_thp_fini(struct vmw_private *dev_priv); #endif
/** diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c b/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c index 0292c931c265..548f152b9963 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c @@ -135,21 +135,25 @@ int vmw_thp_init(struct vmw_private *dev_priv) return 0; }
-static int vmw_thp_takedown(struct ttm_mem_type_manager *man) +void vmw_thp_fini(struct vmw_private *dev_priv) { + struct ttm_mem_type_manager *man = &dev_priv->bdev.man[TTM_PL_VRAM]; struct vmw_thp_manager *rman = (struct vmw_thp_manager *) man->priv; struct drm_mm *mm = &rman->mm; + int ret; + + ttm_mem_type_manager_disable(man);
+ ret = ttm_mem_type_manager_force_list_clean(&dev_priv->bdev, man); + if (ret) + return; spin_lock(&rman->lock); - if (drm_mm_clean(mm)) { - drm_mm_takedown(mm); - spin_unlock(&rman->lock); - kfree(rman); - man->priv = NULL; - return 0; - } + drm_mm_clean(mm); + drm_mm_takedown(mm); spin_unlock(&rman->lock); - return -EBUSY; + kfree(rman); + man->priv = NULL; + ttm_mem_type_manager_cleanup(man); }
static void vmw_thp_debug(struct ttm_mem_type_manager *man, @@ -163,7 +167,6 @@ static void vmw_thp_debug(struct ttm_mem_type_manager *man, }
const struct ttm_mem_type_manager_func vmw_thp_func = { - .takedown = vmw_thp_takedown, .get_node = vmw_thp_get_node, .put_node = vmw_thp_put_node, .debug = vmw_thp_debug