[PATCH 0/3] drm: tweak permission handling

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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.

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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