merge libdrm 2.4.124.

initial import of libdrm-2.4.124

merge libdrm 2.4.122

initial import of libdrm-2.4.122

merge libdrm 2.4.114.

initial import of libdrm-2.4.114

merge libdrm 2.4.112, and xterm-372.

merge libXi 1.8 and libdrm 2.4.109.

updated generated_static_table_fourcc.h generated with:

python3.9 gen_table_fourcc.py include/drm/drm_fourcc.h ../include/generated_static_table_fourcc.h

merge xterm 368 and libdrm 2.4.107.

merge libdrm 2.4.105.

merge libdrm 2.4.102.

merge libdrm 2.4.99

initial import of libdrm-2.4.99

initial import of libdrm-2.4.97

merge libdrm 2.4.96.

initial import of libdrm-2.4.96

merge libdrm 2.4.91

initial import of libdrm-2.4.91

merge libdrm-2.4.83.

initial import of libdrm-2.4.83

merge libdrm 2.4.75 and pixman 0.34.0

initial import of libdrm-2.4.75

merge libdrm 2.4.70.

initial import of libdrm-2.4.70

merge libdrm 2.4.62.

initial import of libdrm-2.4.62

merge libdrm-2.4.59

initial import of libdrm-2.4.59

merge libdrm 2.4.58.

initial import of libdrm-2.4.58

merge libdrm 2.4.54.

initial import of libdrm-2.4.54

Back out unintended part of last commit.

Oops... Fix sense of test in drmCheckModesettingSupported.

initial import of libdrm-2.4.52

initial import of libdrm-2.4.23

initial import of libdrm-2.4.22

initial import of libdrm-2.4.21

initial import of libdrm-2.4.20

initial import of libdrm-2.4.11