drm/radeon/kms: fix rs600 tlb flush

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 <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>

diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index abf824c2123d5e0067d822ce6874ffeeb24c4857..a81bc7a21e14b967c23a218c3095031371f7d327 100644 (file)
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -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);