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drm/vmwgfx: use core drm to extend/check vmw_execbuf_ioctl

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Currently vmw_execbuf_ioctl() open-codes the permission checking, size
extending and copying that is already done in core drm.

Kill all the duplication, adding a few comments for clarity.

Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Tested-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190522164119.24139-3-emil.l.velikov@gmail.com
This commit is contained in:
Emil Velikov
2019-05-22 17:41:17 +01:00
committed by Emil Velikov
parent bcde7d345c
commit cbfbe47fc5
3 changed files with 23 additions and 45 deletions
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4
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
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@@ -910,8 +910,8 @@ static inline struct page *vmw_piter_page(struct vmw_piter *viter)
* Command submission - vmwgfx_execbuf.c
*/
extern int vmw_execbuf_ioctl(struct drm_device *dev, unsigned long data,
struct drm_file *file_priv, size_t size);
extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int vmw_execbuf_process(struct drm_file *file_priv,
struct vmw_private *dev_priv,
void __user *user_commands,