[PATCH v2 1/2] drm: bridge: adv7511: fix reading edid segments

Frieder Schrempf frieder.schrempf at kontron.de
Thu Nov 30 15:57:57 UTC 2023


Hi Emil,

On 27.10.23 14:22, Emil Abildgaard Svendsen wrote:
> [Sie erhalten nicht häufig E-Mails von emas at bang-olufsen.dk. Weitere Informationen, warum dies wichtig ist, finden Sie unter https://aka.ms/LearnAboutSenderIdentification ]
> 
> Currently reading EDID only works because usually only two EDID blocks
> of 128 bytes is used. Where an EDID segment holds 256 bytes or two EDID
> blocks. And the first EDID segment read works fine but E-EDID specifies
> up to 128 segments.
> 
> The logic is broken so change EDID segment index to multiple of 256
> bytes and not 128 (block size).
> 
> Fixes: 9c8af882bf12 ("drm: Add adv7511 encoder driver")
> 
> Signed-off-by: Emil Svendsen <emas at bang-olufsen.dk>
> ---
> v2:
>  - Split into two patches.
>  - Add Fixes tag.
> 
> v1: https://lore.kernel.org/all/20231026113029.575846-1-emas@bang-olufsen.dk/

Unfortunately this v2 series breaks my setup in the same way as I
reported for v1 [1].

Also, please add me to CC for future versions otherwise I will likely
miss them.

Thanks
Frieder

[1]
https://patchwork.kernel.org/project/dri-devel/patch/20231026113029.575846-1-emas@bang-olufsen.dk/#25572510


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