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From: Greg KH on 22 Apr 2010 16:30
2.6.33-stable review patch. If anyone has any objections, please let us know.

------------------

From: Jerome Glisse <jglisse(a)redhat.com>

commit 30f69f3fb20bd719b5e1bf879339914063d38f47 upstream.

Typo in in flush leaded to no flush of the RS600 tlb which
ultimately leaded to massive system ram corruption, with
this patch everythings seems to work properly.

Signed-off-by: Jerome Glisse <jglisse(a)redhat.com>
Signed-off-by: Dave Airlie <airlied(a)redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>

---
drivers/gpu/drm/radeon/rs600.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -175,7 +175,7 @@ void rs600_gart_tlb_flush(struct radeon_
WREG32_MC(R_000100_MC_PT0_CNTL, tmp);

tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
- tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) & S_000100_INVALIDATE_L2_CACHE(1);
+ tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
WREG32_MC(R_000100_MC_PT0_CNTL, tmp);

tmp = RREG32_MC(R_000100_MC_PT0_CNTL);


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