drm/radeon/kms: fix rc410 suspend/resume.
This fixes suspend/resume on my rc410 motherboard, it restores
the memory controller setup before posting the GPU, since it seems
to need the MC_FB_LOCATION setup correctly.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index a769c29..ca03716 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -418,6 +418,8 @@
rs400_gart_disable(rdev);
/* Resume clock before doing reset */
r300_clock_startup(rdev);
+ /* setup MC before calling post tables */
+ rs400_mc_program(rdev);
/* Reset gpu before posting otherwise ATOM will enter infinite loop */
if (radeon_gpu_reset(rdev)) {
dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",