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SubjectRe: [PATCH] ARM: dts: bcm283x: Use firmware PM driver for V3D
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Hi Nicolas,

On 06.03.20 21:33, Stefan Wahren wrote:
> Hi Nicolas,
>
> Am 05.03.20 um 11:44 schrieb Nicolas Saenz Julienne:
>> Hi Stefan,
>>
>> On Tue, 2020-03-03 at 20:24 +0100, Stefan Wahren wrote:
>>>>>> Note: I tested this on RPi3b, RPi3a+ and RPi2b.
>>>>> as i already wrote this prevent X to start on current Raspbian on my
>>>>> Raspberry Pi 3A+ (multi_v7_defconfig, no u-boot). We must be careful here.
>>>>>
>>>>> I will take a look at the debug UART. Maybe there are more helpful
>>>>> information.
>>>> It seems we're seeing different things, I tested this on raspbian
>>>> (multi_v7_defconfig) and on arm64. I'll try again from scratch tomorrow.
>>> My modifications to the Raspbian image (from 13.2.2020) are little:
>>>
>>> - specify devicetree to config.txt
>>> - change console to ttyS1 and remove "silent" in cmdline.txt
>>> - rename all original kernel7*.img
>>> - copy dtb and kernel7.img to boot partition
>>> - copy kernel modules to root partition
>> Would you mind retesting with the latest linux-next? I validated an image based
>> on 5.6.0-rc4-next-20200305-00001-g285a7a64cd56 and a fresh raspbian download on
>> RPi3a+ without X issues.
> i retested with todays linux-next and the issue persists on my RPi 3A+ /
> HP ZR2440w with this patch applied.

I tested my display with a RPI 3B, 3B+ and a Zero W. All of them had the
same issue. Btw i used this display the last years for testing the
Raspberry Pi.

After that i connected the RPI 3B to my TV screen and it works with the
patch applied.

>
> I will try more hardware combinations tomorrow to see, this issue is
> more board or display related.
>
> Best regards
> Stefan
>
>

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