Commit cce212d8 authored by Konrad Dybcio's avatar Konrad Dybcio Committed by Rob Clark
Browse files

drm/msm/a5xx: Disable flat shading optimization 



Port over the command from downstream to prevent undefined
behaviour.

Signed-off-by: default avatarKonrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: default avatarJordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent 89c1ab96

drivers/gpu/drm/msm/adreno/a5xx_gpu.c

+3 −0
Original line number Diff line number Diff line
@@ -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);