diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 2742836..860839a 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -3152,6 +3152,8 @@ void si_init_config(struct r600_context *rctx)
 	} else {
 		switch (rctx->screen->b.family) {
 		case CHIP_TAHITI:
+			si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x00000000);
+			break;
 		case CHIP_PITCAIRN:
 			si_pm4_set_reg(pm4, R_028350_PA_SC_RASTER_CONFIG, 0x2a00126a);
 			break;