Signed-off-by: Alex Deucher <alexdeuc...@gmail.com>
---
drivers/gpu/drm/radeon/evergreen.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c
b/drivers/gpu/drm/radeon/evergreen.c
index 12d2fdc..e8a5ffb 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -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) {
--
1.7.1.1
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