diff mbox series

[v3,6/7] drm/msm/a5xx: Disable flat shading optimization

Message ID 20210113183339.446239-7-angelogioacchino.delregno@somainline.org (mailing list archive)
State New, archived
Headers show
Series Add support for Adreno 508/509/512 | expand

Commit Message

AngeloGioacchino Del Regno Jan. 13, 2021, 6:33 p.m. UTC
From: Konrad Dybcio <konrad.dybcio@somainline.org>

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>
---
 drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Jordan Crouse Jan. 14, 2021, 10:24 p.m. UTC | #1
On Wed, Jan 13, 2021 at 07:33:38PM +0100, AngeloGioacchino Del Regno wrote:
> From: Konrad Dybcio <konrad.dybcio@somainline.org>
> 
> Port over the command from downstream to prevent undefined
> behaviour.

Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>

> Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@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
>
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 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);