[PATCH 30/36] drm/amd/display: Avoid create MST prop after registration

[Rodrigo Siqueira]

Hi Michel,

I'm going to apply the patchset by the end of the day at AMD repository.
Is that ok for you? Or do you need this patch on drm-misc-next?

Best Regards

On 04/06, Michel Dänzer wrote:
> On 2020-04-05 10:41 p.m., Rodrigo Siqueira wrote:
> > From: "Jerry (Fangzhi) Zuo" <Jerry.Zuo at amd.com>
> > 
> > [Why]
> > Prop are created at boot stage, and not allowed to create new prop
> > after device registration.
> > 
> > [How]
> > Reuse the connector property from SST if exist.
> > 
> > Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo at amd.com>
> > Reviewed-by: Hersen Wu <hersenxs.wu at amd.com>
> > Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
> This patch is needed in 5.7, or one gets the WARNINGs I reported in
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Farchives%2Famd-gfx%2F2020-April%2F048017.html&data=02%7C01%7CRodrigo.Siqueira%40amd.com%7C82562d6efc6a4c85afd108d7da3c7490%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637217825519023312&sdata=h7ZVldKMgP%2FWkMVpjn%2BX6fytKoNZi24lFjOdS3QMUts%3D&reserved=0
> when an MST display is connected.
> 
> Note that this patch doesn't fix all of those, there's also one
> triggered by dm_dp_add_mst_connector => drm_encoder_init.
> 
>  git grep mst_encoders drivers/gpu/drm/i915/
> 
> shows how the i915 driver deals with this.
> 
> Can you guys take care of that for 5.7 as well?
> 
> 
> -- 
> Earthling Michel Dänzer               |               https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fredhat.com%2F&data=02%7C01%7CRodrigo.Siqueira%40amd.com%7C82562d6efc6a4c85afd108d7da3c7490%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637217825519028304&sdata=h9fm4x4B3Kn1U4bloZbLeZTbjygZCHIgoyroaEW9%2B3s%3D&reserved=0
> Libre software enthusiast             |             Mesa and X developer

-- 
Rodrigo Siqueira
https://siqueira.tech
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