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

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Date:   Thu, 4 Nov 2021 11:36:16 +0800
From:   Jitao Shi <jitao.shi@...iatek.com>
To:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        "Chun-Kuang Hu" <chunkuang.hu@...nel.org>
CC:     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 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