drm/i915: Do not clear mappings beyond VMA size
authorJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
Fri, 24 Apr 2015 12:09:03 +0000 (15:09 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 8 May 2015 11:03:19 +0000 (13:03 +0200)
commit06615ee5c54740a970754b6d8d7d5e7106dec186
treecab7565c363666bae8d44413cad7e8b18ff81c0d
parent09b1eb130e43264d6a4e8c99ed75d07f40a2d4b3
drm/i915: Do not clear mappings beyond VMA size

Do not to clear mappings outside the allocated VMA under any
circumstances. Only clear the smaller of VMA or object page count.

This is required to allow creating partial object VMAs which in
turn are needed for partial GGTT views.

Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_gem_gtt.c