On Wed, Jun 10, 2020 at 12:52:31PM +0200, Mark Kettenis wrote:
> ok, so this is using the implementation in display/intel_gmbus.c which
> is a complicated one since it has code to fall back to "bit banging"
> when the i2c master controller doesn't seem to work. You could dig
> deeper into that and enable the debugging stuff in there. Does it
> fall back onto the bitanging code?
>
> You mentioned that you have two monitors connected to the dock. Do
> any of them actually work?
yes, with the range check added they both work (and the built-in panel
as well). xrandr output below.
I'll see if I can dig deeper but I won't have a lot of time the coming
days.
-Otto
>
> If Jonathan agrees, I think you should commit the range check that you
> added:
>
> > + if (num_of_ext > num_blocks)
> > + num_of_ext = num_blocks;
> > +
>
> Cheers,
>
> Mark
Screen 0: minimum 320 x 200, current 6400 x 1440, maximum 16384 x 16384
eDP-1 connected primary 2560x1440+3840+0 (normal left inverted right x
axis y axis) 309mm x 174mm
2560x1440 60.01*+ 59.99 59.99 59.96 59.95
1920x1440 60.00
1856x1392 60.01
1792x1344 60.01
2048x1152 59.99 59.98 59.90 59.91
1920x1200 59.88 59.95
1920x1080 60.01 59.97 59.96 59.93
1600x1200 60.00
1680x1050 59.95 59.88
1400x1050 59.98
1600x900 59.99 59.94 59.95 59.82
1280x1024 60.02
1400x900 59.96 59.88
1280x960 60.00
1440x810 60.00 59.97
1368x768 59.88 59.85
1280x800 59.99 59.97 59.81 59.91
1280x720 60.00 59.99 59.86 59.74
1024x768 60.04 60.00
960x720 60.00
928x696 60.05
896x672 60.01
1024x576 59.95 59.96 59.90 59.82
960x600 59.93 60.00
960x540 59.96 59.99 59.63 59.82
800x600 60.00 60.32 56.25
840x525 60.01 59.88
864x486 59.92 59.57
700x525 59.98
800x450 59.95 59.82
640x512 60.02
700x450 59.96 59.88
640x480 60.00 59.94
720x405 59.51 58.99
684x384 59.88 59.85
640x400 59.88 59.98
640x360 59.86 59.83 59.84 59.32
512x384 60.00
512x288 60.00 59.92
480x270 59.63 59.82
400x300 60.32 56.34
432x243 59.92 59.57
320x240 60.05
360x202 59.51 59.13
320x180 59.84 59.32
DP-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
HDMI-2 disconnected (normal left inverted right x axis y axis)
DP-1-1 disconnected (normal left inverted right x axis y axis)
DP-1-2 connected 1920x1200+1920+0 (normal left inverted right x axis y
axis) 518mm x 324mm
1920x1200 59.95*+
1920x1080 60.00
1600x1200 60.00
1680x1050 59.95
1280x1024 60.02
1280x960 60.00
1024x768 60.00
800x600 60.32
640x480 59.94
720x400 70.08
DP-1-3 connected 1920x1200+0+0 (normal left inverted right x axis y
axis) 518mm x 324mm
1920x1200 59.95*+
1920x1080 60.00
1600x1200 60.00
1680x1050 59.95
1280x1024 60.02
1280x960 60.00
1024x768 60.00
800x600 60.32
640x480 59.94
720x400 70.08
