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drm/radeon/kms: fix rs600 tlb flush
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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@redhat.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Jerome Glisse authored and Dave Airlie committed Apr 19, 2010
1 parent 1b5331d commit 30f69f3
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion drivers/gpu/drm/radeon/rs600.c
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Original file line number Diff line number Diff line change
Expand Up @@ -159,7 +159,7 @@ void rs600_gart_tlb_flush(struct radeon_device *rdev)
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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