Re: [RFC PATCH 3/3] drm: bridge: samsung-dsim: Remove init quirk for Exynos

[Frieder Schrempf]

On 18.04.23 15:12, Marek Szyprowski wrote:
> On 18.04.2023 12:42, Frieder Schrempf wrote:
>> From: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
>>
>> Assuming that with the init flow fixed to meet the documentation at
>> [1] and the pre_enable_prev_first flag set in downstream bridge/panel
>> drivers which require it, we can use the default flow for Exynos as
>> already done for i.MX8M.
>>
>> [1] https://docs.kernel.org/gpu/drm-kms-helpers.html#mipi-dsi-bridge-operation
>>
>> Signed-off-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
>> ---
>> I have no idea if my assumptions are correct and if this works at all.
>> There's a very good chance it doesn't...
> 
> Unfortunately this change breaks all Exynos boards with DSI panels. I've 
> check all 4 panels that are in mainline and none worked.

Ok, thanks for testing anyway!

As already mentioned this was rather a shot in the dark, as I didn't
even bother trying to fully understand what's going on on the Exynos side.

For now I will just remove this patch from the series in the next iteration.