linux-kernel - Re: [linux-sunxi] Re: [PATCH v2 00/26] arm64: allwinner: Add A64 DE2 HDMI support

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Message-ID: <CAMty3ZC13J+bCWK_=9816Lu-5ctC0UfF4-XR3yNSpHdH8q8Faw@mail.gmail.com>
Date:   Tue, 5 Jun 2018 18:23:57 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Maxime Ripard <maxime.ripard@...tlin.com>
Cc:     Chen-Yu Tsai <wens@...e.org>, Icenowy Zheng <icenowy@...c.io>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        David Airlie <airlied@...ux.ie>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        Michael Trimarchi <michael@...rulasolutions.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [linux-sunxi] Re: [PATCH v2 00/26] arm64: allwinner: Add A64 DE2
 HDMI support

On Fri, May 18, 2018 at 3:29 PM, Maxime Ripard
<maxime.ripard@...tlin.com> wrote:
> On Fri, May 18, 2018 at 03:15:10PM +0530, Jagan Teki wrote:
>> Allwinner A64 has display engine pipeline like other Allwinner SOC's A83T/H3/H5.
>>
>> A64 behaviour similar to Allwinner A83T where
>> Mixer0 => TCON0 => LVDS/RGB/MIPI-DSI
>> Mixer1 => TCON1 => HDMI
>> as per Display System Block DiagramAllwinner_A64_User_Manual_V1.1.pdf
>>
>> This is second patch-set followed with previous RFC[1] and first series[2]
>> and merely concentrated on HDMI pipeline through TCON1 and rest will add eventually.
>>
>> This series fixed previous version comments
>> - about documenting fallback compatibles
>> - adding new compatible for mixer1
>> - support for multiple DW HDMI PHY clock parents (thanks, to Jernej)
>>
>> Note:
>> Pine64 boards are unable to get edid by default like other A64 boards,
>> but forcing 'video=HDMI-A-1:1920x1080@...' kernel command line can
>> create edid with display on penel.
>
> There's no point in trying to push this without the SRAM issue being
> solved. It is required, and won't be merged unless this is addressed.

is SRAM issue resolved? if so may be I will try to test it on top.

Jagan.

-- 
Jagan Teki
Senior Linux Kernel Engineer | Amarula Solutions
U-Boot, Linux | Upstream Maintainer
Hyderabad, India.