linux-kernel - Re: [PATCH v7 1/3] drm/dsi: transer dsi hs packet aligned

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Date:   Sat, 11 Dec 2021 00:24:47 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Jitao Shi <jitao.shi@...iatek.com>
Cc:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        CK Hu <ck.hu@...iatek.com>, stonea168@....com,
        huijuan.xie@...iatek.com, Rex-BC Chen <rex-bc.chen@...iatek.com>,
        shuijing.li@...iatek.com
Subject: Re: [PATCH v7 1/3] drm/dsi: transer dsi hs packet aligned

Hi, Dave & Daniel:

This patch looks good to me, how do you think about it?

Regards,
Chun-Kuang.

Jitao Shi <jitao.shi@...iatek.com> 於 2021年11月4日 週四 上午11:36寫道：
>
> Hi sirs
>
> Pls help to review this change.
>
> Best Regards
> Jitao.
>
> On Tue, 2021-10-05 at 07:53 +0800, Chun-Kuang Hu wrote:
> > Hi, Jitao:
> >
> > Jitao Shi <jitao.shi@...iatek.com> 於 2021年9月16日 週四 上午6:31寫道：
> > >
> > > Some DSI devices reqire the hs packet starting and ending
> > > at same time on all dsi lanes. So use a flag to those devices.
> > >
> >
> > Reviewed-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>
> >
> > > Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>
> > > ---
> > >  include/drm/drm_mipi_dsi.h | 2 ++
> > >  1 file changed, 2 insertions(+)
> > >
> > > diff --git a/include/drm/drm_mipi_dsi.h
> > > b/include/drm/drm_mipi_dsi.h
> > > index af7ba8071eb0..8e8563792682 100644
> > > --- a/include/drm/drm_mipi_dsi.h
> > > +++ b/include/drm/drm_mipi_dsi.h
> > > @@ -177,6 +177,7 @@ struct mipi_dsi_device_info {
> > >   * @lp_rate: maximum lane frequency for low power mode in hertz,
> > > this should
> > >   * be set to the real limits of the hardware, zero is only
> > > accepted for
> > >   * legacy drivers
> > > + * @hs_packet_end_aligned: transfer dsi hs packet ending aligned
> > >   */
> > >  struct mipi_dsi_device {
> > >         struct mipi_dsi_host *host;
> > > @@ -189,6 +190,7 @@ struct mipi_dsi_device {
> > >         unsigned long mode_flags;
> > >         unsigned long hs_rate;
> > >         unsigned long lp_rate;
> > > +       bool hs_packet_end_aligned;
> > >  };
> > >
> > >  #define MIPI_DSI_MODULE_PREFIX "mipi-dsi:"
> > > --
> > > 2.25.1