[PATCH 0/3] drm: tweak permission handling

[Daniel Vetter]

On Wed, Dec 19, 2018 at 07:22:44PM +0000, Emil Velikov wrote:
> Hi all,
> 
> This series relaxes some permission handling we have in core.
> 
> The first patch, swaps the DRM_ROOT_ONLY to DRM_MASTER on DROP_MASTER
> ioctls. Thus any application can drop privileges just after SET_MASTER
> and not worry about elevating them, solely for DROP_MASTER.
> 
> The last commit, admittedly works around userspace bugs. Although it's
> far better than the "run as root" approach that people have been using.
> 
> It has the extra side effect of allowing some userspace (but not all)
> to use vgem without any modifications ;-)
> 
> Would be great if this series is checked through the Intel GFX trybot
> but I'm not sure how to do that.

Just cc intel-gfx at lists.freedesktop.org.
-Daniel

> 
> Any comments, review or general ack's are appreciated.
> 
> Thanks
> Emil
> 
> Emil Velikov (3):
>   drm: change DROP_MASTER permissions to allow DRM_MASTER
>   drm: annotate drm_core_check_feature() dev arg. as const
>   drm: allow render capable master with DRM_AUTH ioctls
> 
>  drivers/gpu/drm/drm_ioctl.c | 10 +++++++---
>  include/drm/drm_drv.h       |  2 +-
>  2 files changed, 8 insertions(+), 4 deletions(-)
> 
> -- 
> 2.19.2
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch