Re: [PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-05-05 Thread Dmitry Baryshkov
On Tue, 26 Apr 2022 at 21:47, Douglas Anderson wrote: > > As per Displayport spec section 5.2.1.2 ("Video Timing Format") says > that all detachable sinks shall support 640x480 @60Hz as a fail safe > mode. > > A DP compliance test expected us to utilize the above fact when all > modes it

Re: [PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-05-05 Thread Dmitry Baryshkov
On Thu, 5 May 2022 at 20:30, Kuogee Hsieh wrote: > > > On 5/5/2022 10:20 AM, Abhinav Kumar wrote: > > Hi Doug > > > > On 5/5/2022 8:44 AM, Doug Anderson wrote: > >> Ville, > >> > >> On Tue, Apr 26, 2022 at 11:47 AM Douglas Anderson > >> wrote: > >>> > >>> As per Displayport spec section 5.2.1.2

Re: [PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-05-05 Thread Kuogee Hsieh
On 5/5/2022 10:20 AM, Abhinav Kumar wrote: Hi Doug On 5/5/2022 8:44 AM, Doug Anderson wrote: Ville, On Tue, Apr 26, 2022 at 11:47 AM Douglas Anderson wrote: As per Displayport spec section 5.2.1.2 ("Video Timing Format") says that all detachable sinks shall support 640x480 @60Hz as a

Re: [PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-05-05 Thread Abhinav Kumar
Hi Doug On 5/5/2022 8:44 AM, Doug Anderson wrote: Ville, On Tue, Apr 26, 2022 at 11:47 AM Douglas Anderson wrote: As per Displayport spec section 5.2.1.2 ("Video Timing Format") says that all detachable sinks shall support 640x480 @60Hz as a fail safe mode. A DP compliance test expected us

Re: [PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-05-05 Thread Doug Anderson
Ville, On Tue, Apr 26, 2022 at 11:47 AM Douglas Anderson wrote: > > As per Displayport spec section 5.2.1.2 ("Video Timing Format") says > that all detachable sinks shall support 640x480 @60Hz as a fail safe > mode. > > A DP compliance test expected us to utilize the above fact when all > modes

Re: [PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-04-27 Thread Kuogee Hsieh
Tested-by: Kuogee Hsieh On 4/26/2022 2:17 PM, Doug Anderson wrote: Hi, On Tue, Apr 26, 2022 at 2:11 PM Abhinav Kumar wrote: On 4/26/2022 1:26 PM, Doug Anderson wrote: Hi, On Tue, Apr 26, 2022 at 12:20 PM Abhinav Kumar wrote: Missed one more comment. On 4/26/2022 12:16 PM, Abhinav

Re: [PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-04-26 Thread Doug Anderson
Hi, On Tue, Apr 26, 2022 at 2:11 PM Abhinav Kumar wrote: > > > > On 4/26/2022 1:26 PM, Doug Anderson wrote: > > Hi, > > > > On Tue, Apr 26, 2022 at 12:20 PM Abhinav Kumar > > wrote: > >> > >> Missed one more comment. > >> > >> On 4/26/2022 12:16 PM, Abhinav Kumar wrote: > >>> Hi Doug > >>> >

Re: [PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-04-26 Thread Abhinav Kumar
On 4/26/2022 1:26 PM, Doug Anderson wrote: Hi, On Tue, Apr 26, 2022 at 12:20 PM Abhinav Kumar wrote: Missed one more comment. On 4/26/2022 12:16 PM, Abhinav Kumar wrote: Hi Doug One minor comment below. But otherwise, looking at this change this should work for us acc to me. We will

Re: [PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-04-26 Thread Doug Anderson
Hi, On Tue, Apr 26, 2022 at 12:20 PM Abhinav Kumar wrote: > > Missed one more comment. > > On 4/26/2022 12:16 PM, Abhinav Kumar wrote: > > Hi Doug > > > > One minor comment below. > > > > But otherwise, looking at this change this should work for us acc to me. > > > > We will test this out with

Re: [PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-04-26 Thread Doug Anderson
Hi, On Tue, Apr 26, 2022 at 12:16 PM Abhinav Kumar wrote: > > Hi Doug > > One minor comment below. > > But otherwise, looking at this change this should work for us acc to me. > > We will test this out with our equipment and then provide R-b. > > Thanks > > Abhinav > On 4/26/2022 11:46 AM,

Re: [PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-04-26 Thread Abhinav Kumar
Missed one more comment. On 4/26/2022 12:16 PM, Abhinav Kumar wrote: Hi Doug One minor comment below. But otherwise, looking at this change this should work for us acc to me. We will test this out with our equipment and then provide R-b. Thanks Abhinav On 4/26/2022 11:46 AM, Douglas

Re: [PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-04-26 Thread Abhinav Kumar
Hi Doug One minor comment below. But otherwise, looking at this change this should work for us acc to me. We will test this out with our equipment and then provide R-b. Thanks Abhinav On 4/26/2022 11:46 AM, Douglas Anderson wrote: As per Displayport spec section 5.2.1.2 ("Video Timing

[PATCH 2/2] drm/probe-helper: For DP, add 640x480 if all other modes are bad

2022-04-26 Thread Douglas Anderson
As per Displayport spec section 5.2.1.2 ("Video Timing Format") says that all detachable sinks shall support 640x480 @60Hz as a fail safe mode. A DP compliance test expected us to utilize the above fact when all modes it presented to the DP source were not achievable. It presented only modes that