--- drivers/gpu/drm/radeon/rs600.c

+++ drivers/gpu/drm/radeon/rs600.c

@@ -57,7 +57,7 @@ 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);