drm: drop mtrr from i915
Alan Hourihane wants to set MTRR in the DDX only as otherwise
we get problems with the shared memory chipset.
From: Alan Hourihane <alanh@fairlite.demon.co.uk>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c
index 32b7f8b..e88d32d 100644
--- a/drivers/char/drm/i915_drv.c
+++ b/drivers/char/drm/i915_drv.c
@@ -39,8 +39,11 @@
};
static struct drm_driver driver = {
+ /* don't use mtrr's here, the Xserver or user space app should
+ * deal with them for intel hardware.
+ */
.driver_features =
- DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
+ DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
.load = i915_driver_load,
.lastclose = i915_driver_lastclose,