From: Thomas Zimmermann Date: Tue, 25 May 2021 15:10:54 +0000 (+0200) Subject: drm/vmwgfx: Inline vmw_verify_access() X-Git-Tag: v5.15~303^2~28^2~322 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cbc5caf778bae72e8060dbef9a5c6a96a1e8a18d;p=platform%2Fkernel%2Flinux-starfive.git drm/vmwgfx: Inline vmw_verify_access() Vmwgfx is the only user of the TTM's verify_access callback. Inline the call and avoid the indirection through the function pointer. Signed-off-by: Thomas Zimmermann Reviewed-by: Zack Rusin Acked-by: Christian König Link: https://patchwork.freedesktop.org/patch/msgid/20210525151055.8174-7-tzimmermann@suse.de --- diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c index 7bfe83c..35b03fe 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c @@ -661,14 +661,6 @@ static void vmw_evict_flags(struct ttm_buffer_object *bo, *placement = vmw_sys_placement; } -static int vmw_verify_access(struct ttm_buffer_object *bo, struct file *filp) -{ - struct ttm_object_file *tfile = - vmw_fpriv((struct drm_file *)filp->private_data)->tfile; - - return vmw_user_bo_verify_access(bo, tfile); -} - static int vmw_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem) { struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev); @@ -771,7 +763,6 @@ struct ttm_device_funcs vmw_bo_driver = { .eviction_valuable = ttm_bo_eviction_valuable, .evict_flags = vmw_evict_flags, .move = vmw_move, - .verify_access = vmw_verify_access, .swap_notify = vmw_swap_notify, .io_mem_reserve = &vmw_ttm_io_mem_reserve, }; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c index c8b6543..e6b1f98 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c @@ -67,6 +67,7 @@ int vmw_mmap(struct file *filp, struct vm_area_struct *vma) }; struct drm_file *file_priv = filp->private_data; struct vmw_private *dev_priv = vmw_priv(file_priv->minor->dev); + struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; struct ttm_device *bdev = &dev_priv->bdev; struct ttm_buffer_object *bo; int ret; @@ -78,11 +79,7 @@ int vmw_mmap(struct file *filp, struct vm_area_struct *vma) if (unlikely(!bo)) return -EINVAL; - if (unlikely(!bo->bdev->funcs->verify_access)) { - ret = -EPERM; - goto out_unref; - } - ret = bo->bdev->funcs->verify_access(bo, filp); + ret = vmw_user_bo_verify_access(bo, tfile); if (unlikely(ret != 0)) goto out_unref;