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drm/radeon/kms: fix rc410 suspend/resume.

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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>
This commit is contained in:
Dave Airlie 2009-10-27 11:57:53 +11:00
parent fc7f7119d2
commit ea1495a627
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/radeon/rs400.c
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@ -418,6 +418,8 @@ int rs400_resume(struct radeon_device *rdev)
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",