Igor Torrente 254fe9c106 drm: drm_atomic_helper: Add a new helper to deal with the writeback connector validation ...

Add a helper function to validate the connector configuration received in
the encoder atomic_check by the drivers.

So the drivers don't need to do these common validations themselves.

V2: Move the format verification to a new helper at the drm_atomic_helper.c
    (Thomas Zimmermann).
V3: Format check improvements (Leandro Ribeiro).
    Minor improvements(Thomas Zimmermann).
V5: Fix some grammar issues in the commit message (André Almeida).

Reviewed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Igor Torrente <igormtorrente@gmail.com>
Signed-off-by: Melissa Wen <melissa.srw@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220905190811.25024-4-igormtorrente@gmail.com

2022-09-05 20:12:16 -01:00

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