linux-kernel - Re: [PATCH/RFC 0/6] staging: board: armadillo800eva: Board staging for sh_mobile_lcdc

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Date:	Fri, 3 Apr 2015 21:35:22 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:	Geert Uytterhoeven <geert+renesas@...der.be>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Magnus Damm <damm+renesas@...nsource.se>,
	Arnd Bergmann <arnd@...db.de>,
	Simon Horman <horms+renesas@...ge.net.au>,
	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
	Marc Zyngier <marc.zyngier@....com>,
	driverdevel <devel@...verdev.osuosl.org>,
	Linux-sh list <linux-sh@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH/RFC 0/6] staging: board: armadillo800eva: Board staging
 for sh_mobile_lcdc_fb

Hi Laurent,

On Fri, Apr 3, 2015 at 6:24 PM, Laurent Pinchart
<laurent.pinchart@...asonboard.com> wrote:
> On Friday 03 April 2015 14:41:57 Geert Uytterhoeven wrote:
>> This RFC patch series adds board staging support for r8a7740/armadillo.
>> For now this supports only the frame buffer device for the on-board LCD.
>
> I've started adding DT support to the shmob-lcdc driver, but I have no board
> to test it on. My Armadillo is gone, and KZM9G is unusable with DT + LCDC at
> the moment as the LCDC interrupt is connected to the legacy interrupt
> controller only, not the GIC. Would you be able to test a patch set ? And if

Sure, I can test your patches on Armadillo.

> you want to implement support for the KZM9G legacy interrupt controller in DT,
> please go for it :-)

Do we need the LCDC interrupt? ;-)

Anyway, the display of my kzm9g is broken, so I never had the joy of
seeing its marvellous graphics.

>>       - sh-mobile-hdmi/sh_mobile_lcdc_fb.1 (this seems to be broken in
>>       -legacy?)
>
> HDMI is broken in legacy, we can thus drop it.

In addition, clk-r8a7740 lacks support for the non-standard register layout of
HDMICKCR.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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