On Wed, Dec 28, 2022 at 10:51:29AM -0800, Yuri wrote: > My NVidia card has the resolution 3840x2160. > > xorg.conf has this section, following the recommendation from > https://linuxreviews.org/HOWTO_set_DPI_in_Xorg: > > Section "Monitor" > Identifier "Monitor0" > VendorName "Monitor Vendor" > ModelName "Monitor Model" > DisplaySize 630 340 # In millimeters - setting for DPI > EndSection > > > Xorg.0.log has: > > > [ 37714.549] (--) NVIDIA(0): DPI set to (159, 156); computed from > "UseEdidDpi" X config > > > Based on the DPI computation for resolution 3840x2160 and size 630mm x 340mm > - DPI should be 155x161. > > This is close to what Xorg.0.log has, but is not equal to it. > > > But xdpyinfo shows 96x96: > > > xdpyinfo | grep -B 2 resolution > > screen #0: > > dimensions: 3840x2160 pixels (1016x572 millimeters) > > resolution: 96x96 dots per inch > > > Why doesn't the xorg.conf setting of DisplaySize translate into the actual > DPI value in xorg that xdpyinfo shows? > > > Thank you,
Hi, are you using Xfce ? if so it's an old issue : https://bugzilla.xfce.org/show_bug.cgi?id=10633 moved to: https://gitlab.xfce.org/xfce/xfce4-settings/-/issues/34 and also : https://gitlab.xfce.org/xfce/xfce4-settings/-/issues/190 -- Matthieu Herrb