[Bug 31799] xrandr transform not supported?

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Sep 19 11:09:17 PDT 2011


--- Comment #5 from Vitaliy Filippov <vitalif at yourcmc.ru> 2011-09-19 11:09:17 PDT ---
Hi all!
For me, on Dell 1535 notebook with RV620 (ATI Mobility Radeon HD3450), xrandr
scaling does not work on LVDS output. Am I doing something wrong or does it
apply to this bug?
xrandr --output LVDS --size 1920x1080 --fbmm 1920x1080 --scale 1.25x1.2
--panning 1920x1080
Changes screen size to 1920x1080, but the picture isn't scaled - only top-left
1440x900 (native res) is displayed. Transform matrix remains (1,1,1) diagonal.
No errors.

Also, I can't manage to get scaling working on attached projector (VGA-0)
(although this is more probably my fault - can you point to it?). I tried the
following command:
xrandr --output VGA-0 --mode 1920x1080 --fbmm 1440x900 --same-as LVDS --scale
0.75x0.8 --output LVDS --size 1440x900 

I just get:
X Error of failed request:  BadMatch (invalid parameter attribute)
  Major opcode of failed request:  149 (RANDR)
  Minor opcode of failed request:  29 (RRSetPanning)
  Serial number of failed request: 32
  Current serial number in output stream: 32

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