Re: [PATCH v3 00/56] Convert DSI code to use drm_mipi_dsi and drm_panel

Tomi Valkeinen
2020-11-05T18:28:51Z

On 05/11/2020 20:14, H. Nikolaus Schaller wrote:
>
>> Am 05.11.2020 um 18:36 schrieb Tomi Valkeinen <tomi.valkeinen@ti.com>:
>>
>> Hi,
>>
>> On 05/11/2020 19:15, H. Nikolaus Schaller wrote:
>>
>>> Next, I migrated my long waiting mipi_dsi/drm_panel driver conversion for
>>> the panel of the Pyra handheld (omap 5 based) to compile on 5.10-rc2. And
>>> I followed the latest existing panel-orisetech-otm8009a.c which uses a
>>> similar video mode controller and mipi-dsi.
>>>
>>> That one seems to be used by arch/arm/boot/dts/stm32f469-disco.dts.
>>>
>>> Unfortunately my panel driver is not even loaded by drm/omap so I can't
>>> debug. Does this set of drm/omap drivers need a modification of the device
>>> tree? If yes, which one?
>>
>> omapdrm doesn't load the panel drivers. If not even your panel's probe is called, then it hints at
>> DT and/or driver's compatible string issue. The panel's probe should get called even if omapdrm is
>> not loaded at all.
>
> Well, I use the same device tree that loads the old driver...

Yeah, I was mistaken above. With DSI the panel (may be) a child of the DSI host, so it will affect.

Can you give pointers to the panel driver source and relevant dts files? BOE BTL507212-W677L?

Tomi