[Bug 107503] Native screen resolution not working correctly over HDMI LSPCON (i915)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107503

Fredrik Schön <fredrik.schon at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |REOPENED

--- Comment #21 from Fredrik Schön <fredrik.schon at gmail.com> ---
Confirmed.

I can reproduce your testcase on my machine.

schon at localhost ~]$ xrandr
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
DP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis)
521mm x 293mm
   1920x1080     60.00*+  50.00    59.94  
   1680x1050     59.88  
   1600x900      60.00  
   1280x1024     60.02  
   1440x900      59.90  
   1280x800      59.91  
   1280x720      60.00    50.00    59.94  
   1024x768      70.07    60.00  
   800x600       72.19    60.32    56.25  
   720x576       50.00  
   720x480       60.00    59.94  
   640x480       72.81    66.67    60.00    59.94  
   720x400       70.08  
DP-2 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
HDMI-2 disconnected (normal left inverted right x axis y axis)
[schon at localhost ~]$ xrandr | wc -l
19
[schon at localhost ~]$ xrandr --output DP-1 --set "Broadcast RGB" "Full"
X Error of failed request:  BadMatch (invalid parameter attributes)
  Major opcode of failed request:  139 (RANDR)
  Minor opcode of failed request:  21 (RRSetCrtcConfig)
  Serial number of failed request:  61
  Current serial number in output stream:  61
[schon at localhost ~]$ xrandr | wc -l
18
[schon at localhost ~]$ xrandr --output DP-1 --set "Broadcast RGB" "Automatic"
[schon at localhost ~]$ xrandr | wc -l
18
[schon at localhost ~]$ xrandr --output DP-1 --set "Broadcast RGB" "Full"
[schon at localhost ~]$ xrandr | wc -l
18
[schon at localhost ~]$ xrandr --output DP-1 --set "Broadcast RGB" "Automatic"
X Error of failed request:  BadMatch (invalid parameter attributes)
  Major opcode of failed request:  139 (RANDR)
  Minor opcode of failed request:  21 (RRSetCrtcConfig)
  Serial number of failed request:  61
  Current serial number in output stream:  61
[schon at localhost ~]$ xrandr | wc -l
13
[schon at localhost ~]$ 

With the increased timeout patch applied modes are no longer dropped.

[schon at localhost ~]$ xrandr
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
DP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis)
521mm x 293mm
   1920x1080     60.00*+  50.00    59.94  
   1680x1050     59.88  
   1600x900      60.00  
   1280x1024     60.02  
   1440x900      59.90  
   1280x800      59.91  
   1280x720      60.00    50.00    59.94  
   1024x768      70.07    60.00  
   800x600       72.19    60.32    56.25  
   720x576       50.00  
   720x480       60.00    59.94  
   640x480       72.81    66.67    60.00    59.94  
   720x400       70.08  
DP-2 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
HDMI-2 disconnected (normal left inverted right x axis y axis)
[schon at localhost ~]$ xrandr | wc -l
19
[schon at localhost ~]$ xrandr --output DP-1 --set "Broadcast RGB" "Full"
[schon at localhost ~]$ xrandr | wc -l
19
[schon at localhost ~]$ xrandr --output DP-1 --set "Broadcast RGB" "Automatic"
[schon at localhost ~]$ xrandr | wc -l
19
[schon at localhost ~]$ xrandr --output DP-1 --set "Broadcast RGB" "Full"
[schon at localhost ~]$ xrandr | wc -l
19
[schon at localhost ~]$ xrandr --output DP-1 --set "Broadcast RGB" "Automatic"
[schon at localhost ~]$ xrandr | wc -l
19
[schon at localhost ~]$ xrandr --output DP-1 --set "Broadcast RGB" "Full"
[schon at localhost ~]$ xrandr | wc -l
19
[schon at localhost ~]$ xrandr --output DP-1 --set "Broadcast RGB" "Automatic"
[schon at localhost ~]$ xrandr | wc -l
19
[schon at localhost ~]$ xrandr --output DP-1 --set "Broadcast RGB" "Full"
[schon at localhost ~]$ xrandr | wc -l
19
[schon at localhost ~]$

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