linux-kernel - Re: [PATCH RFC v2 0/6] ARM: qcom: initial Nexus 5 display support

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Message-ID: <CACRpkda-7+ggoeMD9=erPX09OWteX0bt+qP60_Yv6=4XLqNDZQ@mail.gmail.com>
Date:   Tue, 28 May 2019 15:46:14 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Brian Masney <masneyb@...tation.org>
Cc:     Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        "open list:DRM PANEL DRIVERS" <dri-devel@...ts.freedesktop.org>,
        MSM <linux-arm-msm@...r.kernel.org>,
        freedreno@...ts.freedesktop.org, Dave Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH RFC v2 0/6] ARM: qcom: initial Nexus 5 display support

On Thu, May 9, 2019 at 4:04 AM Brian Masney <masneyb@...tation.org> wrote:

> Here is a patch series that adds initial display support for the LG
> Nexus 5 (hammerhead) phone. It's not fully working so that's why some
> of these patches are RFC until we can get it fully working.
>
> The phones boots into terminal mode, however there is a several second
> (or more) delay when writing to tty1 compared to when the changes are
> actually shown on the screen. The following errors are in dmesg:

I tested to apply patches 2-6 and got the console up on the phone as well.
I see the same timouts, and I also notice the update is slow in the
display, as if the DSI panel was running in low power (LP) mode.

Was booting this to do some other work, but happy to see the progress!

Yours,
Linus Walleij