[BUG]: Getting a unique connector name when identical displays are connected

SUNIDHI DIXIT sdikshit786 at gmail.com
Tue Jul 18 14:32:32 UTC 2023


I am waiting for response on this please guide.

On Sat, Jul 15, 2023, 7:50 PM Freelancer Intern <
internfreelancer21 at gmail.com> wrote:

> I have also seen this case...
>
> On Thu, Jul 13, 2023, 1:14 PM SUNIDHI DIXIT <sdikshit786 at gmail.com> wrote:
>
>> Hello all,
>>
>> This is regarding an issue I have encountered recently in drm. When I
>> connect two identical HDMI display(with same resolution) there is no way to
>> distinguish them uniquely.
>>
>> I looked into that and found that the connector id, and connector_type_id
>> can be changed based on which connector appears first to the kernel.
>>
>> Is there any solution already implemented for this problem?
>>
>> I see following solution to this issue:
>>
>> Assigning a unique connector->name from drm_connector_init() and adding
>> an api drmModeGetConnectorName().
>>
>> Please let me know what you think..
>>
>> Thanks in advance!
>>
>
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