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Sergey Senozhatsky 00d81d9d97 BACKPORT: media: videobuf2: handle V4L2 buffer cache flags 
Set video buffer cache management flags corresponding to V4L2 cache
flags.

Both ->prepare() and ->finish() cache management hints should be
passed during this stage (buffer preparation), because there is
no other way for user-space to tell V4L2 to avoid ->finish() cache
flush.

Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
(cherry picked from commit f5f5fa73fb)

Conflicts:
	drivers/media/common/videobuf2/videobuf2-v4l2.c

Change-Id: I6d90d080a7468be5e8f96b26dcd36bf583bd5741
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
2020-09-17 10:07:58 +08:00
..
acpi ACPICA: Introduce ACPI_ACCESS_BYTE_WIDTH() macro 2020-03-05 16:42:17 +01:00
asm-generic init: Introduce call initcall async 2020-05-25 18:20:26 +08:00
clocksource
crypto UPSTREAM: crypto: skcipher - Introduce crypto_sync_skcipher 2020-03-12 10:46:18 -07:00
drm UPSTREAM: drm: Drop a redundant unused variable 2020-09-14 19:24:43 +08:00
dt-bindings clk: rockchip: add dt-binding header for rk3568 2020-09-10 14:13:25 +08:00
keys
kvm KVM: arm/arm64: Sync ICH_VMCR_EL2 back when about to block 2019-08-25 10:47:59 +02:00
linux Revert "regulator: debugfs: Adding debugfs functions into regulator framework" 2020-09-16 15:25:49 +08:00
math-emu math-emu/soft-fp.h: (_FP_ROUND_ZERO) cast 0 to void to fix warning 2019-12-13 08:51:34 +01:00
media BACKPORT: media: videobuf2: handle V4L2 buffer cache flags 2020-09-17 10:07:58 +08:00
memory
misc
net This is the 4.19.111 stable release 2020-03-18 08:19:47 +01:00
pcmcia
ras
rdma RDMA/uverbs: Verify MR access flags 2020-02-14 16:33:23 -05:00
scsi This is the 4.19.107 stable release 2020-03-03 07:33:01 +01:00
soc soc: rockchip: system-monitor: Add support to be built as module 2020-09-15 19:53:27 +08:00
sound Merge remote branch 'android-4.19' of https://android.googlesource.com/kernel/common 2020-03-21 19:46:46 +08:00
target
trace Merge remote branch 'android-4.19' of https://android.googlesource.com/kernel/common 2020-03-21 19:46:46 +08:00
uapi media: rockchip: isp and ispp version to v0.1.6 2020-09-11 19:07:31 +08:00
video udlfb: introduce a rendering mutex 2019-05-25 18:23:30 +02:00
xen xen/events: fix binding user event channels to cpus 2019-07-26 09:14:25 +02:00