Am 29.07.2014 13:36, schrieb Thierry Reding:
> 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
[...]
>> 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?
[...]
>> 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.
Okay, that means the Snow DT is wrong, too:
https://patchwork.kernel.org/patch/4625441/
And the others specify it as fallback:
https://patchwork.kernel.org/patch/4625461/
https://patchwork.kernel.org/patch/4625451/
Cheers,
Andreas
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