drm/komeda: Accept null writeback configurations for writeback

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User may send null writeback configurations for writeback connector like:
- Only bind the writeback connector to crtc.
- set a fb_id(0) to writeback_fb_id_property
All above configurations are meaningless for writeback, but since they are
still valid configurations, accept them.

Depends on:
- https://patchwork.freedesktop.org/series/60856/

Signed-off-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>

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james qian wang (Arm Technology China) 2019-05-24 04:16:47 +01:00 • committed by Liviu Dudau

parent 420810cec6

commit f461d6591f

1 changed files with 6 additions and 5 deletions

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drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c

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