This fixes piglit/fbo-blit-stretched.
---
 src/gallium/drivers/r600/evergreen_state.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/r600/evergreen_state.c 
b/src/gallium/drivers/r600/evergreen_state.c
index d1e1699..ac62524 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -910,7 +910,8 @@ static void *evergreen_create_rs_state(struct pipe_context 
*ctx,
 
        if (rctx->chip_class == CAYMAN) {
                r600_pipe_state_add_reg(rstate, CM_R_028BE4_PA_SU_VTX_CNTL,
-                                       
S_028C08_PIX_CENTER_HALF(state->gl_rasterization_rules));
+                                       
S_028C08_PIX_CENTER_HALF(state->gl_rasterization_rules) |
+                                       
S_028C08_QUANT_MODE(V_028C08_X_1_256TH));
        } else {
                r600_pipe_state_add_reg(rstate, R_028C08_PA_SU_VTX_CNTL,
                                        
S_028C08_PIX_CENTER_HALF(state->gl_rasterization_rules) |
-- 
1.7.9.5

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