initial import of xorg-server-21.1.18

merge xorg-server 21.1.16.

initial import of xorg-server-21.1.16

initial import of xorg-server-21.1.9

initial import of xorg-server-21.1.6

initial import of xorg-server-21.1.5

avoid variable stack arrays.

USE_SSP=yes builds don't work with this new xorg-server version, adjust
the drmmode_set_gamma_lut() call to use malloc() instead of the stack,
and pass down a higher level pointer to gain access to the screen index
so error messages with xf86DrvMsg() work.

tested on pinebookpro.

use PRIu64 and hopefully fix some clang builds.

initial import of xorg-server-21.1.4

use "1ULL << 32" for a 64 bit member, not 1UL.

merge xorg-serer 21.1.3.

initial import of xorg-server-21.1.3

merge xorg-server 1.20.13.

merge xorg-server 1.20.12 and xkeyboard-config 2.33.

initial import of xorg-server-1.20.12

initial import of xorg-server-1.20.11

merge xorg-server 1.20.10.

initial import of xorg-server-1.20.10

merge xorg-server 1.20.6.

initial import of xorg-server-1.20.6

merge xorg-server 1.20.4.

initial import of xorg-server-1.20.4

pEnt isn't initialized at this point, don't free it
Undo diff to upstream.

There's a good chance we aren't using this code at all.

merge xorg-server 1.20.3.

initial import of xorg-server-1.20.3

Fix compile error on evbarm-aarch64. (incompatible pointer types initializing 'present_get_ust_msc_ptr')

CID 1373525: Checking for NULL after deref is kind of late.

CID 1373520: Fix memory leak, don't allocate needlessly.
CID 1373521: Fix memory leak.

CID 1373518: Memory corruption (off-by-one)

CID 1373515: check return value.

initial import of xorg-server-1.18.4