drm/radeon/kms: fix rs600 tlb flush

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@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index c3818562a13eb64f647ec74922605bf673bdf0e6..a27c09f33f8684e6b111d38ab39a1ed8a80c200e 100644 (file)
--- 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_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);