drm/i915: Save and restore the GM45 FBC regs on suspend and resume.

This hasn't fixed the regressions we were testing against, but clearly
should be required.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 17be01e351b..1254c4b80e3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -342,6 +342,7 @@ typedef struct drm_i915_private {
         u32 savePFIT_CONTROL;
         u32 save_palette_a[256];
         u32 save_palette_b[256];
+        u32 saveDPFC_CB_BASE;
         u32 saveFBC_CFB_BASE;
         u32 saveFBC_LL_BASE;
         u32 saveFBC_CONTROL;