i915: Save/restore MCHBAR_RENDER_STANDBY on GM965/GM45
authorKeith Packard <keithp@keithp.com>
Mon, 3 Nov 2008 07:08:44 +0000 (23:08 -0800)
committerDave Airlie <airlied@linux.ie>
Tue, 11 Nov 2008 07:42:19 +0000 (17:42 +1000)
commit881ee9889c8b98671c5491e43666bf5d4f78a180
treec6b851fbea5d4cf485263f16e998a647ea37d5ba
parent3ad4f597058301c97f362e500a32f63f5c950a45
i915: Save/restore MCHBAR_RENDER_STANDBY on GM965/GM45

This register is set by the 2D driver to prevent lockups, and so it needs to
be preserved across suspend/resume too. This makes my X200s work.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/i915_suspend.c