]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915: Avoid pointer arithmetic in calculating plane surface offset
authorMika Kuoppala <mika.kuoppala@linux.intel.com>
Fri, 30 Oct 2015 11:26:15 +0000 (13:26 +0200)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Mon, 9 Nov 2015 18:00:11 +0000 (20:00 +0200)
commit8876822863bcfa090f10e6fdd2ec8beac7df15ee
tree4fb542b8ac13ee6182570edd75c876d1d5355cf3
parenta02830cb7e02ac1ed72083d195abace40f8d7460
drm/i915: Avoid pointer arithmetic in calculating plane surface offset

VMA offsets are 64 bits. Plane surface offsets are in ggtt and
the hardware register to set this is thus 32 bits. Be explicit
about these and convert carefully to from vma to final size.

This will make sparse happy by not creating 32bit pointers out
of 64bit vma offsets.

Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446204375-29831-1-git-send-email-mika.kuoppala@intel.com
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_drv.h
drivers/gpu/drm/i915/intel_sprite.c