[Mesa-dev] [PATCH 1/7] radeonsi: initialize SX_PS_DOWNCONVERT to 0 on Stoney

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

otherwise the SX or CB blocks can go bananas
---
 src/gallium/drivers/radeonsi/si_state.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index eba9c61..6d97049 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -3444,6 +3444,9 @@ static void si_init_config(struct si_context *sctx)
 		si_pm4_set_reg(pm4, R_028C5C_VGT_OUT_DEALLOC_CNTL, 32);
 	}
 
+	if (sctx->b.family == CHIP_STONEY)
+		si_pm4_set_reg(pm4, R_028754_SX_PS_DOWNCONVERT, 0);
+
 	si_pm4_set_reg(pm4, R_028080_TA_BC_BASE_ADDR, border_color_va >> 8);
 	if (sctx->b.chip_class >= CIK)
 		si_pm4_set_reg(pm4, R_028084_TA_BC_BASE_ADDR_HI, border_color_va >> 40);
-- 
2.1.4