linux-kernel - RE: [PATCH v14 0/6] drm/imx: Introduce i.MX8qm/qxp DPU DRM

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Date:   Tue, 22 Aug 2023 07:57:34 +0000
From:   Ying Liu <victor.liu@....com>
To:     Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     dl-linux-imx <linux-imx@....com>,
        "robh@...nel.org" <robh@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "tzimmermann@...e.de" <tzimmermann@...e.de>,
        Guido Günther <guido.gunther@...i.sm>,
        "mripard@...nel.org" <mripard@...nel.org>,
        "Laurentiu Palcu (OSS)" <laurentiu.palcu@....nxp.com>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        "maarten.lankhorst@...ux.intel.com" 
        <maarten.lankhorst@...ux.intel.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "airlied@...il.com" <airlied@...il.com>,
        "festevam@...il.com" <festevam@...il.com>
Subject: RE: [PATCH v14 0/6] drm/imx: Introduce i.MX8qm/qxp DPU DRM


On Tuesday, August 22, 2023 3:20 PM Marcel Ziswiler <marcel.ziswiler@...adex.com> wrote:
> 
> Hi Liu Ying

Hi Marcel,

> 
> On Tue, 2023-08-22 at 05:36 +0000, Ying Liu wrote:
> > Hi,
> >
> > > On Friday, January 6, 2023 1:50 PM Ying Liu wrote:
> > >
> > > Hi,
> > >
> > >
> > > This is the v14 series to introduce i.MX8qm/qxp Display Processing
> Unit(DPU)
> > > DRM support.
> 
> [snip]
> 
> > This patch series has been submitted for a quite long period of time.
> >
> > Anything I can do to have it landed ?
> 
> Well, may it be tested? Are all the missing pieces there now?

I've tested this series on i.MX8qm MEK and i.MX8qxp MEK with LVDS
panel and LVDS to HDMI.

To test LVDS displays, compatible strings "fsl,imx8qm-lvds-csr" and
"fsl,imx8qxp-mipi-lvds-csr" need to be added in simple-pm-bus.c by
patch [1] and a clock patch [2] is needed if you use relatively new
SCU firmware in bootloader.

Aside from that, I just wrote/changed device tree.
See attached DT files for LVDS panel test. 

[1] https://www.spinics.net/lists/kernel/msg4664520.html
[2] https://pastebin.mozilla.org/LaXEeoY9

Regards,
Liu Ying

> 
> Thanks!
> 
> > Regards,
> > Liu Ying
> 
> Cheers
> 
> Marcel

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