Re: [PATCH 0/3] Add missing format_mod_supported functions

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On Tue, 21 Dec 2021 at 13:13, José Expósito <jose.exposito89@xxxxxxxxx> wrote:
>
> Hi all,
>
> When setting IN_FORMATS, implementing the
> "drm_plane_funcs.format_mod_supported" function is mandatory to avoid
> exposing a bogus blob.
>
> This patchset adds a bit of documentation and fixes the issue in a
> couple of drivers affected by the bug.
>
> I reviewed all the other drivers and I didn't find more instances of
> the issue.
>
> Jose
>
> José Expósito (3):
>   drm/plane: Mention format_mod_supported in IN_FORMATS docs
>   drm/msm/mdp4: Add format_mod_supported function
>   drm/sun4i: Add format_mod_supported function
>
>  drivers/gpu/drm/drm_plane.c                | 7 +++++--
>  drivers/gpu/drm/msm/disp/mdp4/mdp4_plane.c | 8 ++++++++

You missed mdp5_plane.c here. But I assume that the proposed fix is
not correct, see my comments on patch 1.

>  drivers/gpu/drm/sun4i/sun8i_ui_layer.c     | 7 +++++++
>  drivers/gpu/drm/sun4i/sun8i_vi_layer.c     | 7 +++++++
>  4 files changed, 27 insertions(+), 2 deletions(-)
>
> --
> 2.25.1
>


-- 
With best wishes
Dmitry




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