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drm/radeon/kms: use correct reg on fusion when reading back mem config 

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-07-01 13:18:28 -04:00 committed by Dave Airlie
parent daf54f1f36
commit 8208441be2
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/radeon/evergreen.c
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@ -2248,7 +2248,10 @@ int evergreen_mc_init(struct radeon_device *rdev)
/* Get VRAM informations */
rdev->mc.vram_is_ddr = true;
tmp = RREG32(MC_ARB_RAMCFG);
if (rdev->flags & RADEON_IS_IGP)
tmp = RREG32(FUS_MC_ARB_RAMCFG);
else
tmp = RREG32(MC_ARB_RAMCFG);
if (tmp & CHANSIZE_OVERRIDE) {
chansize = 16;
} else if (tmp & CHANSIZE_MASK) {