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drm/msm/a5xx: Disable flat shading optimization

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Port over the command from downstream to prevent undefined
behaviour.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Konrad Dybcio 2021-01-13 19:33:38 +01:00 committed by Rob Clark
parent 89c1ab9607
commit cce212d844
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/msm/adreno/a5xx_gpu.c
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@ -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);