]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915: Round l3 parity reads down
authorBen Widawsky <benjamin.widawsky@intel.com>
Fri, 13 Sep 2013 05:28:28 +0000 (22:28 -0700)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 13 Sep 2013 12:55:55 +0000 (14:55 +0200)
commit2045b175735d2d720c359da5764f7407421a4ebc
tree423e7eb31c9538da5aff93168390d78a3ded9c41
parent62b00d48ad4e34dd6ed6a04a5c56d0b557dd4e59
drm/i915: Round l3 parity reads down

We always read a register for l3 parity reads, and we don't really want
to ever let userspace trick us into giving back less than the dword.

Writes are okay because we assume everything will be 0 filled, and as
such, if a user really wants to write less than a dword, let them.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_sysfs.c