drm/ast: Fail probing if DDC channel could not be initialized

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Expect the hardware to provide a DDC channel. Fail probing if its
initialization fails. Failing to initialize the DDC indicates a
larger problem, so there's no point in continuing.

v4:
	* give a rational in the commit message

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240325200855.21150-3-tzimmermann@suse.de

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This commit is contained in:

Thomas Zimmermann 2024-03-25 21:06:47 +01:00

parent 8463b66b41

commit d66cdb638a

3 changed files with 24 additions and 37 deletions

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2

drivers/gpu/drm/ast/ast_drv.h

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7

drivers/gpu/drm/ast/ast_i2c.c

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52

drivers/gpu/drm/ast/ast_mode.c

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