Comment 11 for bug 575496
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#11 |
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73416ba
(Get the code!)
I generated an xorg.conf file with "Xorg -configure", and modified it to contain "DisplaySize 285 215" in the Monitor section. (The generated file had "#DisplaySize 290 210", commented out.) Xorg.0.log now contains
(II) RADEON(0): EXA: Driver will not allow EXA pixmaps in VRAM
(**) RADEON(0): Display dimensions: (285, 215) mm
(**) RADEON(0): DPI set to (124, 124)
(II) Loading sub module "fb"
However, xdpyinfo still says the monitor has 96 dpi, and KDE still uses small lettering.
From bug 23705, I understand that Xorg sets DPI to 96 in the default case (and strongly disagree with the decision!), but when I explicitly set the screen dimensions, you should go along with me. Adding a "--dpi" option in the KDM start-up scripts is just not right.
Note also that, as mentioned in the Launchpad bug, the vesa driver calculates nearly correct dimensions and DPI.