[Bug 261794] graphics/drm-kmod or x11-drivers/xf86-driver-intel? Xorg does not come up in screen native resolution.

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 09 Feb 2022 01:12:05 UTC

--- Comment #1 from Stefan B. <sblachmann@gmail.com> ---
Found the cause of this issue:
Unlike with radeonkms/andgpu and nvidia drivers, the Intel driver does _not_
ignore the HorizSync and VertRefresh ranges in the xorg.conf file, even if the
EDID information tells that the preferred mode has higher values (see xorg

Thus incorrect HorizSync and VertRefresh range information in the xorg.conf
prevent using the monitors' preferred mode.

This behavior should be changed to the behavior of the AMD and Nvidia drivers,
as monitors without EDID are practically extinct since decades.

If EDID data is available, use these and override/ignore HorizSync and
VertRefresh ranges if such are specified in the xorg.conf.

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