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* [PATCH] drm/mediatek: Fix wrong dither settings
@ 2022-09-08 14:12 Allen-KH Cheng
  2022-09-08 14:18 ` Matthias Brugger
  2022-09-12 23:18 ` Chun-Kuang Hu
  0 siblings, 2 replies; 3+ messages in thread
From: Allen-KH Cheng @ 2022-09-08 14:12 UTC (permalink / raw)
  To: Chun-Kuang Hu, Philipp Zabel, David Airlie, Daniel Vetter,
	Matthias Brugger
  Cc: dri-devel, linux-kernel, Project_Global_Chrome_Upstream_Group,
	devicetree, linux-arm-kernel, linux-mediatek, Allen-KH Cheng,
	Yongqiang Niu

The width and height arguments in the cmdq packet for mtk_dither_config()
are inverted. We fix the incorrect width and height for dither settings
in mtk_dither_config().

Fixes: 73d3724745db ("drm/mediatek: Adjust to the alphabetic order for mediatek-drm")
Co-developed-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 2d72cc5ddaba..6b6d5335c834 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -157,7 +157,7 @@ static void mtk_dither_config(struct device *dev, unsigned int w,
 {
 	struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
 
-	mtk_ddp_write(cmdq_pkt, h << 16 | w, &priv->cmdq_reg, priv->regs, DISP_REG_DITHER_SIZE);
+	mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs, DISP_REG_DITHER_SIZE);
 	mtk_ddp_write(cmdq_pkt, DITHER_RELAY_MODE, &priv->cmdq_reg, priv->regs,
 		      DISP_REG_DITHER_CFG);
 	mtk_dither_set_common(priv->regs, &priv->cmdq_reg, bpc, DISP_REG_DITHER_CFG,
-- 
2.18.0


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^ permalink raw reply related	[flat|nested] 3+ messages in thread
* Re: [PATCH] drm/mediatek: Fix wrong dither settings
  2022-09-08 14:12 [PATCH] drm/mediatek: Fix wrong dither settings Allen-KH Cheng
@ 2022-09-08 14:18 ` Matthias Brugger
  2022-09-12 23:18 ` Chun-Kuang Hu
  1 sibling, 0 replies; 3+ messages in thread
From: Matthias Brugger @ 2022-09-08 14:18 UTC (permalink / raw)
  To: Allen-KH Cheng, Chun-Kuang Hu, Philipp Zabel, David Airlie,
	Daniel Vetter
  Cc: dri-devel, linux-kernel, Project_Global_Chrome_Upstream_Group,
	devicetree, linux-arm-kernel, linux-mediatek, Yongqiang Niu



On 08/09/2022 16:12, Allen-KH Cheng wrote:
> The width and height arguments in the cmdq packet for mtk_dither_config()
> are inverted. We fix the incorrect width and height for dither settings
> in mtk_dither_config().
> 
> Fixes: 73d3724745db ("drm/mediatek: Adjust to the alphabetic order for mediatek-drm")
> Co-developed-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>

Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>

> ---
>   drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index 2d72cc5ddaba..6b6d5335c834 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -157,7 +157,7 @@ static void mtk_dither_config(struct device *dev, unsigned int w,
>   {
>   	struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>   
> -	mtk_ddp_write(cmdq_pkt, h << 16 | w, &priv->cmdq_reg, priv->regs, DISP_REG_DITHER_SIZE);
> +	mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs, DISP_REG_DITHER_SIZE);
>   	mtk_ddp_write(cmdq_pkt, DITHER_RELAY_MODE, &priv->cmdq_reg, priv->regs,
>   		      DISP_REG_DITHER_CFG);
>   	mtk_dither_set_common(priv->regs, &priv->cmdq_reg, bpc, DISP_REG_DITHER_CFG,

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^ permalink raw reply	[flat|nested] 3+ messages in thread
* Re: [PATCH] drm/mediatek: Fix wrong dither settings
  2022-09-08 14:12 [PATCH] drm/mediatek: Fix wrong dither settings Allen-KH Cheng
  2022-09-08 14:18 ` Matthias Brugger
@ 2022-09-12 23:18 ` Chun-Kuang Hu
  1 sibling, 0 replies; 3+ messages in thread
From: Chun-Kuang Hu @ 2022-09-12 23:18 UTC (permalink / raw)
  To: Allen-KH Cheng
  Cc: Chun-Kuang Hu, Philipp Zabel, David Airlie, Daniel Vetter,
	Matthias Brugger, DRI Development, linux-kernel,
	Project_Global_Chrome_Upstream_Group, DTML, Linux ARM,
	moderated list:ARM/Mediatek SoC support, Yongqiang Niu

Hi, Allen:

Allen-KH Cheng <allen-kh.cheng@mediatek.com> 於 2022年9月8日 週四 晚上10:12寫道：
>
> The width and height arguments in the cmdq packet for mtk_dither_config()
> are inverted. We fix the incorrect width and height for dither settings
> in mtk_dither_config().

Applied to mediatek-drm-fixes [1], thanks.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-fixes

Regards,
Chun-Kuang.

>
> Fixes: 73d3724745db ("drm/mediatek: Adjust to the alphabetic order for mediatek-drm")
> Co-developed-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> index 2d72cc5ddaba..6b6d5335c834 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
> @@ -157,7 +157,7 @@ static void mtk_dither_config(struct device *dev, unsigned int w,
>  {
>         struct mtk_ddp_comp_dev *priv = dev_get_drvdata(dev);
>
> -       mtk_ddp_write(cmdq_pkt, h << 16 | w, &priv->cmdq_reg, priv->regs, DISP_REG_DITHER_SIZE);
> +       mtk_ddp_write(cmdq_pkt, w << 16 | h, &priv->cmdq_reg, priv->regs, DISP_REG_DITHER_SIZE);
>         mtk_ddp_write(cmdq_pkt, DITHER_RELAY_MODE, &priv->cmdq_reg, priv->regs,
>                       DISP_REG_DITHER_CFG);
>         mtk_dither_set_common(priv->regs, &priv->cmdq_reg, bpc, DISP_REG_DITHER_CFG,
> --
> 2.18.0
>

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^ permalink raw reply	[flat|nested] 3+ messages in thread
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2022-09-08 14:12 [PATCH] drm/mediatek: Fix wrong dither settings Allen-KH Cheng
2022-09-08 14:18 ` Matthias Brugger
2022-09-12 23:18 ` Chun-Kuang Hu

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