[Freedreno] db820c: Input signal Out of range

Sibi Sankar sibis at codeaurora.org
Tue Sep 11 06:20:10 UTC 2018


Hi Ricardo,

On 2018-09-05 01:20, Ricardo Ribalda Delgado wrote:
> Hi all
> 
> Any update on this? I have hacked the way the modelines are probed and
> now it works on my screens, but of course there is no warranty that it
> will work with other screens :
> 

I plan to complete this task in the next two weeks. Really sorry for the 
delay.

> Thanks!
> On Wed, Aug 15, 2018 at 4:10 PM Ricardo Ribalda Delgado
> <ricardo.ribalda at gmail.com> wrote:
>> 
>> Hello
>> On Tue, Aug 14, 2018 at 8:10 AM Archit Taneja <architt at codeaurora.org> 
>> wrote:
>> 
>> >
>> > Thanks for the info. The number of failed modes is quite bad,
>> > and across a wide range of modes.
>> >
>> > Another query: Does the mode fail to set every time you set it?
>> > i.e, if we call the following successively, do we get the
>> > "out of range" issue every time?
>> >
>> > xrandr --output HDMI-1 --mode 1600x1000 --rate 60.01
>> >
>> > I'd looped in some friends who can help verify if the
>> > driver is configuring the regs correctly.
>> >
>> 
>> The pll does not seem to be reconfigured if I set the same resolution
>> again and again.
>> 
>> So I am trying to go between two faulty resolutions:
>> 
>> while true; do xrandr --output HDMI-1 --mode 1600x1000 --rate 60.01 ;
>> sleep 5; xrandr --output HDMI-1 --mode 1680x1050 --rate 59.97; sleep 5
>> ; done
>> 
>> and after 10 minutes or so I havent seen anything on the screen
>> besides some blinks.
>> 
>> Thanks!
>> 
>> --
>> Ricardo Ribalda

-- 
-- Sibi Sankar --
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project.


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