From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
To: Jitao Shi <jitao.shi@mediatek.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@linux.ie>,
DRI Development <dri-devel@lists.freedesktop.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
DTML <devicetree@vger.kernel.org>,
srv_heupstream <srv_heupstream@mediatek.com>,
huijuan.xie@mediatek.com, stonea168@163.com,
cawa.cheng@mediatek.com,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@lists.infradead.org>,
yingjoe.chen@mediatek.com, eddie.huang@mediatek.com,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 2/2] drm/mediatek: dsi: fine tune the line time cause by EOTp
Date: Sun, 7 Mar 2021 08:30:12 +0800 [thread overview]
Message-ID: <CAAOTY_8cvuEx49SseiCDcVTdZbT6JMFKUH7t6tvaGoHy7T4dEg@mail.gmail.com> (raw)
In-Reply-To: <20210201033603.12616-3-jitao.shi@mediatek.com>
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
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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prev parent reply other threads:[~2021-03-07 0:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-01 3:36 [PATCH v2 0/2] Fix EoTp flag Jitao Shi
2021-02-01 3:36 ` [PATCH v2 1/2] drm/mediatek: dsi: " Jitao Shi
2021-03-07 0:28 ` Chun-Kuang Hu
2021-02-01 3:36 ` [PATCH v2 2/2] drm/mediatek: dsi: fine tune the line time cause by EOTp Jitao Shi
2021-03-07 0:30 ` Chun-Kuang Hu [this message]
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