[PATCH v2 xf86-video-amdgpu] Don't bail from drmmode_set_desired_modes immediately

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On 2018-02-16 03:29 AM, Michel Dänzer wrote:
> On 2018-02-15 10:05 PM, Harry Wentland wrote:
>> On 2018-02-15 12:49 PM, Michel Dänzer wrote:
>>> From: Michel Dänzer <michel.daenzer at amd.com>
>>>
>>> If we fail to find or set the mode for a CRTC, keep trying for the
>>> remaining CRTCs, and only return FALSE if we failed for all CRTCs that
>>> should be on.
>>>
>>> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
>>
>> Thanks. This should help when bandwidth checks in DC fail.
> 
> It might in some cases, though I'm afraid it won't make any difference
> in the case you're probably thinking of (not enough bandwidth for 3 4K
> monitors connected to an APU), in that case two monitors should light up
> either way. But if there was e.g. a fourth 1080 monitor connected, that
> might light up now, whereas it might not have before.
> 

Are you saying that if 3 @ 4k60 fail DDX or X will retry at lower refresh rate for one (or all CRTCs)?

Harry

> 
>> Acked-by: Harry Wentland <harry.wentland at amd.com>
> 
> Thanks!
> 
> 


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