[PATCH v2 4/5] drm/udl: Untangle .get_modes() and .detect_ctx()

Jani Nikula jani.nikula at linux.intel.com
Mon May 27 09:55:47 UTC 2024


On Fri, 10 May 2024, Thomas Zimmermann <tzimmermann at suse.de> wrote:
> Am 10.05.24 um 14:17 schrieb Jani Nikula:
>>> +	/*
>>> +	 * The adapter sends all-zeros if no monitor has been
>>> +	 * connected. We consider anything else a connection.
>>> +	 */
>>> +	return memcmp(no_edid, hdr, 8) != 0;
>> Nitpick, this works, but you can drop the no_edid buf by using:
>>
>> 	return memchr_inv(hdr, 0, sizeof(hdr));
>
> Makes sense to me. Thanks for reviewing.

Btw I wrote [1] because !memchr_inv() is a bit obscure.

BR,
Jani.


[1] https://lore.kernel.org/r/20240527094320.2653177-1-jani.nikula@intel.com


-- 
Jani Nikula, Intel


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