linux-kernel - Re: [PATCH v1 0/4] make hdmi work on bananapi-r2

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Date:   Wed, 17 Apr 2019 11:10:07 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     Frank Wunderlich <frank-w@...lic-files.de>
CC:     Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
        "Mark Rutland" <mark.rutland@....com>,
        <devicetree@...r.kernel.org>,
        chunhui dai <chunhui.dai@...iatek.com>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Bibby Hsieh <bibby.hsieh@...iatek.com>
Subject: Re: [PATCH v1 0/4] make hdmi work on bananapi-r2

Hi, Frank:

On Tue, 2019-04-16 at 16:58 +0200, Frank Wunderlich wrote:
> This Patch-Series adds missing Patches/Bugfixes to get hdmi working on BPI-R2
> 
> first 2 Patches were already posted, but not yet merged into mainline
> i found no hint why
> - config component output by device node port
>   https://patchwork.kernel.org/patch/10609007/
> - add display subsystem related device nodes (resend)
>   https://patchwork.kernel.org/patch/10588951/
> 

These patches need to modify binding document and need long term
discuss. I have an idea not to modify binding document so you could be
quicker to merge these patches. The idea is:

1. Keep the patch 'drm/mediatek: fix possible_crtcs', let DPI encoder
support both crtc0 and crtc1.
2. For encoder and crtc, it could find each other by encoder->crtc and
crtc->encoder_mask to configure hardware correctly.

Regards,
CK

> Bibby Hsieh (1):
>   drm/mediatek: config component output by device node port
> 
> Ryder Lee (2):
>   arm: dts: mt7623: add display subsystem related device nodes
>   drm/mediatek: fix possible_crtcs
> 
> chunhui dai (1):
>   drm/mediatek: fix boot up for 720 and 480 but 1080
> 
>  arch/arm/boot/dts/mt7623.dtsi                 | 177 ++++++++++++++++++
>  arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts |  85 +++++++++
>  arch/arm/boot/dts/mt7623n-rfb-emmc.dts        |  85 +++++++++
>  drivers/gpu/drm/mediatek/mtk_dpi.c            |   2 +-
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c        |  41 +++-
>  drivers/gpu/drm/mediatek/mtk_drm_drv.h        |   4 +-
>  drivers/gpu/drm/mediatek/mtk_hdmi_phy.c       |   3 +
>  drivers/gpu/drm/mediatek/mtk_hdmi_phy.h       |   1 +
>  .../gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c    |   1 +
>  9 files changed, 390 insertions(+), 9 deletions(-)
> 
> --
> 2.17.1
>