>From https://bugs.freedesktop.org/show_bug.cgi?id=97163#c15, I think
it's just a matter of some modelines missing from the xf86DefaultModes
array in xf86DefModeSet.c, eg I suspect that adding this:
/* 2560x1440 59.96 Hz (CVT 3.69M9) hsync: 89.52 kHz; pclk: 312.25 MHz */
{MODEPREFIX, 312250, 2560,2752,3024,3488,0, 1440,1443,1448,1493,0,
V_NHSYNC | V_PVSYNC, MODESUFFIX},
will give me my missing 2560x1440 mode. My xserver builds but I still
haven't figured out how to get it to run, so I can't test it.
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https://bugs.launchpad.net/bugs/1606103
Title:
modeset driver is missing some modes that the intel driver (and Mir)
has
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