Re: [PATCH v2 2/2] drm/mediatek: dsi: fine tune the line time cause by EOTp

2021-03-06 Thread Chun-Kuang Hu 
Hi, Jitao:

Jitao Shi  於 2021年2月1日 週一 上午11:36寫道：
>
> Enabling EoTp will make the line time larger, so the hfp and
> hbp should be reduced to keep line time.

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

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

Regards,
Chun-Kuang.

>
> Signed-off-by: Jitao Shi 
> ---
>  drivers/gpu/drm/mediatek/mtk_dsi.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c 
> b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index 2bc46f2350f1..8c70ec39bfe1 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -481,6 +481,7 @@ static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi)
>   timing->da_hs_zero + timing->da_hs_exit + 3;
>
> delta = dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST ? 18 : 12;
> +   delta += dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET ? 2 : 0;
>
> horizontal_frontporch_byte = vm->hfront_porch * dsi_tmp_buf_bpp;
> horizontal_front_back_byte = horizontal_frontporch_byte + 
> horizontal_backporch_byte;
> --
> 2.12.5
> ___
> dri-devel mailing list
> dri-de...@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

[PATCH v2 2/2] drm/mediatek: dsi: fine tune the line time cause by EOTp

2021-01-31 Thread Jitao Shi 
Enabling EoTp will make the line time larger, so the hfp and
hbp should be reduced to keep line time.

Signed-off-by: Jitao Shi 
---
 drivers/gpu/drm/mediatek/mtk_dsi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c 
b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 2bc46f2350f1..8c70ec39bfe1 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -481,6 +481,7 @@ static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi)
  timing->da_hs_zero + timing->da_hs_exit + 3;
 
delta = dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST ? 18 : 12;
+   delta += dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET ? 2 : 0;
 
horizontal_frontporch_byte = vm->hfront_porch * dsi_tmp_buf_bpp;
horizontal_front_back_byte = horizontal_frontporch_byte + 
horizontal_backporch_byte;
-- 
2.12.5