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

H. Nikolaus Schaller
2020-11-09T11:09:36Z

> Am 09.11.2020 um 11:34 schrieb Tomi Valkeinen <tomi.valkeinen@ti.com>:
>
> On 09/11/2020 12:31, H. Nikolaus Schaller wrote:
>>
>>> Am 09.11.2020 um 11:22 schrieb Tomi Valkeinen <tomi.valkeinen@ti.com>:
>>>
>>> On 09/11/2020 11:30, H. Nikolaus Schaller wrote:
>>>>
>>>>> Am 09.11.2020 um 09:04 schrieb Tomi Valkeinen <tomi.valkeinen@ti.com>:
>>>>>
>>>>> On 07/11/2020 14:19, H. Nikolaus Schaller wrote:
>>>>>
>>>>>> I have set up based on our complete letux-5.10-rc2 tree and maybe using our private config makes
>>>>>> the difference. Anyways, the driver is now probed and I can see the call to w677l_get_modes().
>>>>>>
>>>>>> I have still no image and no calls to prepare/unprepare etc. but now I can start to debug on omap5.
>>>>>> And hopefully we are close to push the panel driver for review. And in a second step some device
>>>>>> tree for the Pyra.
>>>>>>
>>>>>> The new tree is here: https://git.goldelico.com/?p=letux-kernel.git;a=shortlog;h=refs/heads/work-pyra-panel
>>>>>
>>>>> Ok, good. Do you have a link the previous driver that works (omapdrm specific panel driver)? I think
>>>>> it's good to have that as a reference.
>>>>
>>>> Yes, here:
>>>>
>>>> https://git.goldelico.com/?p=letux-kernel.git;a=shortlog;h=refs/heads/letux/panels
>>>
>>> Ok. The old driver uses two separate VC configurations (request_vc calls),
>>
>> yes indeed. I was not sure how to handle this with the new omapdrm drivers.
>>
>>> so it may not work with
>>> this series. I think we need to implement logic to the dsi driver to somehow handle this kind of setup.
>>
>> I see.
>> Anyways there is missing some simple thing which makes the driver not prepared/enabled.
>> Or is this related to VC?
>
> No, that's not related to the VC.

Ok, then it is worth searching for that independently. Any idea/hint what could be missing?

BR and thanks,
Nikolaus