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From: Jagan Teki <jagan@amarulasolutions.com>
To: Amit Pundir <amit.pundir@linaro.org>
Cc: Marek Vasut <marex@denx.de>,
	dri-devel@lists.freedesktop.org,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Robert Foss <rfoss@kernel.org>,
	Andrzej Hajda <andrzej.hajda@intel.com>,
	Jonas Karlman <jonas@kwiboo.se>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Michael Walle <michael@walle.cc>,
	Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	linux-arm-msm <linux-arm-msm@vger.kernel.org>,
	Linux regressions mailing list <regressions@lists.linux.dev>
Subject: Re: [PATCH 2/2] drm/bridge: lt9611: Do not generate HFP/HBP/HSA and EOT packet
Date: Wed, 5 Jul 2023 11:00:49 +0530	[thread overview]
Message-ID: <CAMty3ZBNFu=f-FS4YFN4wfmiTuk=48nna-vub1eMYwidDt+msg@mail.gmail.com> (raw)
In-Reply-To: <CAMi1Hd0TD=2z_=bcDrht3H_wiLvAFcv8Z-U_r_KUOoeMc6UMjw@mail.gmail.com>

Hi Amit,

On Wed, Jul 5, 2023 at 10:15 AM Amit Pundir <amit.pundir@linaro.org> wrote:
>
> Hi Marek,
>
> On Wed, 5 Jul 2023 at 01:48, Marek Vasut <marex@denx.de> wrote:
> >
> > Do not generate the HS front and back porch gaps, the HSA gap and
> > EOT packet, as these packets are not required. This makes the bridge
> > work with Samsung DSIM on i.MX8MM and i.MX8MP.
>
> This patch broke display on Dragonboard 845c (SDM845) devboard running
> AOSP. This is what I see
> https://people.linaro.org/~amit.pundir/db845c-userdebug/v6.5-broken-display/PXL_20230704_150156326.jpg.
> Reverting this patch fixes this regression for me.

Might be msm dsi host require proper handling on these updated
mode_flags? did they?

Thanks,
Jagan.

  reply	other threads:[~2023-07-05  5:31 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20230403221233.500485-1-marex@denx.de>
     [not found] ` <20230403221233.500485-2-marex@denx.de>
2023-07-05  4:45   ` [PATCH 2/2] drm/bridge: lt9611: Do not generate HFP/HBP/HSA and EOT packet Amit Pundir
2023-07-05  5:30     ` Jagan Teki [this message]
2023-07-05  5:39       ` Dmitry Baryshkov
2023-07-05  5:46         ` Jagan Teki
2023-07-05  7:31           ` Marek Vasut
2023-07-06  9:20         ` Amit Pundir
2023-07-07  7:18           ` Neil Armstrong
2023-07-07  8:47             ` Neil Armstrong
2023-07-08 15:40               ` Marek Vasut
2023-07-08 15:53                 ` Dmitry Baryshkov
2023-07-08 19:39                   ` Marek Vasut
2023-07-08 19:40                     ` Dmitry Baryshkov
2023-07-08 19:47                       ` Marek Vasut
2023-07-09  1:03               ` Abhinav Kumar
2023-07-12 17:41                 ` Marek Vasut
2023-07-13 18:09                   ` Abhinav Kumar
2023-07-13 18:28                     ` Marek Vasut
2023-07-13 18:34                       ` Abhinav Kumar
2023-07-14  6:11                       ` Amit Pundir
2023-07-26 10:09                         ` Linux regression tracking (Thorsten Leemhuis)
2023-08-02  8:39                       ` neil.armstrong
2023-08-02 12:25                         ` Marek Vasut
2023-08-02 13:08                           ` neil.armstrong
2023-08-02 17:25                             ` Marek Vasut
2023-08-02 17:49                               ` Abhinav Kumar
2023-08-02 18:46                                 ` Marek Vasut
2023-07-13 18:37                     ` Jagan Teki
2023-07-08 14:08     ` Linux regression tracking (Thorsten Leemhuis)

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