Re: [PATCH v3 3/3] clk: qcom: add SM8550 DISPCC driver

From: Konrad Dybcio
Date: Fri Oct 06 2023 - 19:47:52 EST


On 3.10.2023 09:16, neil.armstrong@xxxxxxxxxx wrote:
> Hi,
>
> On 03/10/2023 04:17, Sophon Wu wrote:
>> On 09/01/2023 16:47, Neil Armstrong wrote:
>>
>>> Add support for the display clock controller found in SM8550
>>> based devices.
>>
>>> This clock controller feeds the Multimedia Display SubSystem (MDSS).
>>> This driver is based on the SM8450 support.
>>
>>> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
>>> Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
>>> ---
>>
>> Hi Neil,
>>
>> I'm trying to enable display on SM8550 but having trouble with clocks. Do you
>> have any idea on this maybe? Full dmesg here: https://bpa.st/7E6Q
>
> You may need to remove the cont-splash memory zone and the simple-framebuffer,
> if you leave the cont-splash the bootloader will leave the MDSS on and Linux
> will fail to take over and initialize the clocks.
Huh???

Does the bootloader poke at the devicetree to check for its presence
on this board!?

Konrad