i915: Fix GR register array size off-by-one bug
Make sure we have enough room for all the GR registers or we'll end up
clobbering the AR index register (which should actually be harmless
unless the BIOS is making an assumption about it).
Noticed-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Jesse Barnes <jesse.barnes@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h
index 37bbf67..f8308bfb 100644
--- a/drivers/char/drm/i915_drv.h
+++ b/drivers/char/drm/i915_drv.h
@@ -187,7 +187,7 @@
u32 saveSWF2[3];
u8 saveMSR;
u8 saveSR[8];
- u8 saveGR[24];
+ u8 saveGR[25];
u8 saveAR_INDEX;
u8 saveAR[20];
u8 saveDACMASK;