From: Konrad Dybcio <konrad.dyb...@somainline.org>
Port over the command from downstream to prevent undefined
behaviour.
Signed-off-by: Konrad Dybcio <konrad.dyb...@somainline.org>
Signed-off-by: AngeloGioacchino Del Regno
<angelogioacchino.delre...@somainline.org>
---
drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
index 24ab51bb5a01..23fc851756de 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
@@ -791,6 +791,9 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
adreno_is_a540(adreno_gpu))
gpu_write(gpu, REG_A5XX_UCHE_DBG_ECO_CNTL_2, regbit);
+ /* 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);
--
2.29.2
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