diff mbox series

[v2,6/7] drm/msm/a5xx: Disable flat shading optimization

Message ID 20200928204709.45746-7-kholk11@gmail.com
State Superseded
Headers show
Series Add support for Adreno 508/509/512 | expand

Commit Message

AngeloGioacchino Del Regno Sept. 28, 2020, 8:47 p.m. UTC 
From: Konrad Dybcio <konradybcio@gmail.com>

Port over the command from downstream to prevent undefined
behaviour.

Signed-off-by: Konrad Dybcio <konradybcio@gmail.com>
Signed-off-by: AngeloGioacchino Del Regno <kholk11@gmail.com>
---
 drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
index 448fded571d3..6dac060902a3 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
@@ -759,6 +759,9 @@  static int a5xx_hw_init(struct msm_gpu *gpu)
 	    adreno_is_a540(adreno_gpu))
 		gpu_write(gpu, REG_A5XX_UCHE_DBG_ECO_CNTL_2, bit);
 
+	/* Disable All flat shading optimization (ALLFLATOPTDIS) */
+	gpu_rmw(gpu, REG_A5XX_VPC_DBG_ECO_CNTL, 0, (1 << 10));
+
 	/* Protect registers from the CP */
 	gpu_write(gpu, REG_A5XX_CP_PROTECT_CNTL, 0x00000007);