From: Linus Walleij <linus.walleij@linaro.org>
To: Robin Murphy <robin.murphy@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Liviu Dudau <liviu.dudau@arm.com>,
"open list:DRM PANEL DRIVERS" <dri-devel@lists.freedesktop.org>,
Mali DP Maintainers <malidp@foss.arm.com>,
Sudeep Holla <sudeep.holla@arm.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/3 v4] ARM: dts: Modernize the Vexpress PL111 integration
Date: Mon, 16 Jul 2018 10:25:20 +0200 [thread overview]
Message-ID: <CACRpkdZEV5kDBzL1baq_MO+EMjj43bA-T_pK0PrJ=vPxdmNDLQ@mail.gmail.com> (raw)
In-Reply-To: <b76645a6-5145-14b5-4290-95ef1dfff4de@arm.com>
On Fri, Jul 13, 2018 at 1:44 PM Robin Murphy <robin.murphy@arm.com> wrote:
> On 13/07/18 10:50, Sudeep Holla wrote:
> >> It doesn't work. This change is breaking the working CLCD on the models.
> >> I just tested and CLCD driver returns
> >>
> >
> > It even fails to initialize CLCD on my TC2.
> >
> > clcd-pl11x 1c1f0000.clcd: PL111 designer 41 rev1 at 0x1c1f0000
> > clcd-pl11x: probe of 1c1f0000.clcd failed with error -2
>
> FWIW the same happens on PB-A8; looks like converting to OF graph
> bindings falls foul of the "panel-dpi" check in clcdfb_of_get_mode().
That is from the old FB drivers, the defconfig changes in patch 2,3
need to be applied in lockstep with this patch. Then it "should work"
(alas I only tested PB-A8 on QEMU, which I modified to hopefully
properly model the DVI bridge).
Yours,
Linus Walleij
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next prev parent reply other threads:[~2018-07-16 8:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-09 7:52 [PATCH 1/3 v4] ARM: dts: Modernize the Vexpress PL111 integration Linus Walleij
2018-07-09 7:52 ` [PATCH 2/3 v4] ARM: defconfig: Update the vexpress defconfig Linus Walleij
2018-07-09 7:52 ` [PATCH 3/3 v4] ARM: defconfig: Enable the PL111 DRM driver on vexpress Linus Walleij
2018-07-10 9:46 ` [PATCH 1/3 v4] ARM: dts: Modernize the Vexpress PL111 integration Sudeep Holla
2018-07-11 9:21 ` Liviu Dudau
2018-07-13 9:50 ` Sudeep Holla
2018-07-13 11:44 ` Robin Murphy
2018-07-16 8:25 ` Linus Walleij [this message]
2018-07-16 8:19 ` Linus Walleij
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