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[v2,0/2] Fix EoTp flag

Message ID 20210201033603.12616-1-jitao.shi@mediatek.com
Headers show
Series Fix EoTp flag | expand

Message

Jitao Shi Feb. 1, 2021, 3:36 a.m. UTC 
Changes since v1:
 - Seperate the line time as single patch.

Jitao Shi (2):
  drm/mediatek: dsi: Fix EoTp flag
  drm/mediatek: dsi: fine tune the line time cause by EOTp

 drivers/gpu/drm/mediatek/mtk_dsi.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

-- 
2.12.5

Comments

Chun-Kuang Hu March 7, 2021, 12:30 a.m. UTC | #1 
Hi, Jitao:

Jitao Shi <jitao.shi@mediatek.com> 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 <jitao.shi@mediatek.com>
> ---
>  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
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