linux/include
james qian wang (Arm Technology China) 7ca7fcef13 drm: Add a new helper drm_color_ctm_s31_32_to_qm_n()
Add a new helper function drm_color_ctm_s31_32_to_qm_n() for driver to
convert S31.32 sign-magnitude to Qm.n 2's complement that supported by
hardware.

V4: Address Mihai, Daniel and Ilia's review comments.
V5: Includes the sign bit in the value of m (Qm.n).
V6: Allows m = 0 according to Mihail's comments.
V7: Address Mihail's comments.
V8: Use type 'u32' to replace 'uint32_t'
V9: Rebase.

Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com>
Reviewed-by: Mihail Atanassov <mihail.atanassov@arm.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20191112110927.20931-2-james.qian.wang@arm.com
2019-11-14 10:29:18 +08:00
..
acpi ACPI updates for 5.4-rc1 2019-09-17 19:31:36 -07:00
asm-generic Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
clocksource
crypto Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity 2019-09-27 19:37:27 -07:00
drm drm: Add a new helper drm_color_ctm_s31_32_to_qm_n() 2019-11-14 10:29:18 +08:00
dt-bindings Main MIPS changes for v5.4: 2019-09-22 09:30:30 -07:00
keys
kvm
linux Revert "dma-buf: Add dma-buf heaps framework" 2019-10-30 16:41:49 -04:00
math-emu nds32: Mark expected switch fall-throughs 2019-08-29 11:06:56 -05:00
media cec: add cec_adapter to cec_notifier_cec_adap_unregister() 2019-10-07 12:47:43 +02:00
misc
net net: reorder 'struct net' fields to avoid false sharing 2019-10-19 12:21:53 -07:00
pcmcia
ras
rdma RDMA subsystem updates for 5.4 2019-09-21 10:26:24 -07:00
scsi SCSI fixes on 20191015 2019-10-15 12:19:08 -07:00
soc Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
sound ALSA: hdac: clear link output stream mapping 2019-10-07 03:58:48 +02:00
target
trace tcp: annotate sk->sk_wmem_queued lockless reads 2019-10-13 10:13:08 -07:00
uapi Revert "dma-buf: Add dma-buf heaps framework" 2019-10-30 16:41:49 -04:00
vdso
video
xen xen: fixes and cleanups for 5.4-rc2 2019-10-04 11:13:09 -07:00
Kbuild - New Drivers 2019-09-23 19:37:49 -07:00