On Tue, Jul 29, 2014 at 01:36:46PM +0200, Thierry Reding wrote: > On Tue, Jul 29, 2014 at 01:21:48PM +0200, Andreas Färber wrote: > > Hi Ajay, > > > > Am 28.07.2014 08:13, schrieb Ajay kumar: > > > On 7/27/14, Andreas Färber <afaerber@xxxxxxx> wrote: > > >> Am 25.07.2014 21:22, schrieb Ajay Kumar: > > >>> This series is based on exynos-drm-next branch of Inki Dae's tree at: > > >>> git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git > > >>> > > >>> I have tested this after adding few DT changes for exynos5250-snow, > > >>> exynos5420-peach-pit and exynos5800-peach-pi boards. > > >> > > >> I'm trying to test this with a modified exynos5250-spring DT based off > > >> kgene's for-next branch due to DT, and I run into the following: > > >> > > >> CC drivers/gpu/drm/bridge/ptn3460.o > > >> drivers/gpu/drm/bridge/ptn3460.c: In function ‘ptn3460_post_encoder_init’: > > >> drivers/gpu/drm/bridge/ptn3460.c:275:2: error: implicit declaration of > > >> function ‘drm_connector_register’ [-Werror=implicit-function-declaration] > > >> drm_connector_register(&ptn_bridge->connector); > > >> ^ > > > Hope this might help: > > > http://www.spinics.net/lists/dri-devel/msg60578.html > > > > That fixed my build, thanks. > > > > Unfortunately the most I got on Spring with attached DT was a blank > > screen with a white horizontal line in the middle. > > > > Do I need to specify a specific panel model for Spring? > > > > For testing I re-applied your iommu patches (which btw fail now for 5420 > > due to disp_pd) but didn't know what to do about your panel-lvds > > regulator patch now that it's gone. > > > > If I don't apply this series, then commenting out the dp-controller node > > gets me a working display with simplefb as before. > > > > Regards, > > Andreas > > > > -- > > SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany > > GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg > > > From 9172a26a8f0d0f0d170bd27e1c150ad204d8086a Mon Sep 17 00:00:00 2001 > > From: =?UTF-8?q?Andreas=20F=C3=A4rber?= <afaerber@xxxxxxx> > > Date: Sun, 27 Jul 2014 21:58:06 +0200 > > Subject: [PATCH] ARM: dts: exynos5250: Add eDP/LVDS bridge to Spring > > MIME-Version: 1.0 > > Content-Type: text/plain; charset=UTF-8 > > Content-Transfer-Encoding: 8bit > > > > Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx> > > [AF: Redone for v6] > > Signed-off-by: Andreas F??rber <afaerber@xxxxxxx> > > --- > > arch/arm/boot/dts/exynos5250-spring.dts | 32 +++++++++++++++++++++++++++++++- > > 1 file changed, 31 insertions(+), 1 deletion(-) > > > > diff --git a/arch/arm/boot/dts/exynos5250-spring.dts b/arch/arm/boot/dts/exynos5250-spring.dts > > index 687dfab86bc8..517b1ff2bfdf 100644 > > --- a/arch/arm/boot/dts/exynos5250-spring.dts > > +++ b/arch/arm/boot/dts/exynos5250-spring.dts > > @@ -64,10 +64,14 @@ > > vdd_pll-supply = <&s5m_ldo8_reg>; > > }; > > > > + panel: panel { > > + compatible = "simple-panel"; > > + }; > > You can't do this. "simple-panel" isn't a valid panel model. It should > probably be removed from the platform_of_match table in the driver. Done. Thierry
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