Simon Ser 43d5ac7d07 drm: document DRM_IOCTL_MODE_GETFB2 ... There are a few details specific to the GETFB2 IOCTL. It's not immediately clear how user-space should check for the number of planes. Suggest using the handles field or the pitches field. The modifier array is filled with zeroes, ie. DRM_FORMAT_MOD_LINEAR. So explicitly tell user-space to not look at it unless the flag is set. Changes in v2 (Daniel): - Mention that handles should be used to compute the number of planes, and only refer to pitches as a fallback. - Reword bit about undefined modifier. Signed-off-by: Simon Ser <contact@emersion.fr> Acked-by: Daniel Vetter <daniel@ffwll.ch> Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com> Acked-by: Daniel Stone <daniels@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211123112400.22245-1-contact@emersion.fr		2021-12-14 12:03:32 +01:00
..
acpi	Merge branches 'acpica', 'acpi-ec', 'acpi-pmic' and 'acpi-video'	2021-11-10 14:03:14 +01:00
asm-generic	asm-generic: asm/syscall.h cleanup	2021-11-10 11:22:03 -08:00
clocksource
crypto
drm	drm: Replace kernel.h with the necessary inclusions	2021-12-09 13:46:13 +01:00
dt-bindings	dt-bindings: Rename Ingenic CGU headers to ingenic,*.h	2021-11-11 22:27:14 -06:00
keys
kunit
kvm
linux	drm: Move nomodeset kernel parameter to the DRM subsystem	2021-11-27 13:52:22 +01:00
math-emu
media	Merge branch 'akpm' (patches from Andrew)	2021-11-09 10:11:53 -08:00
memory
misc
net	Networking fixes for 5.16-rc1, including fixes from bpf, can	2021-11-11 09:49:36 -08:00
pcmcia
ras
rdma
scsi	SCSI misc on 20211112	2021-11-12 12:25:50 -08:00
soc
sound
target
trace	f2fs-for-5.16-rc1	2021-11-13 11:20:22 -08:00
uapi	drm: document DRM_IOCTL_MODE_GETFB2	2021-12-14 12:03:32 +01:00
vdso
video
xen