Add DMA_BUF_IOCTL_SYNC_PARTIAL support for user to sync dma-buf with
offset and len.
Change-Id: I03d2d2e10e48d32aa83c31abade57e0931e1be49
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
1. support buffer_size set by user
2. support assigned chn
3. support udma read
4. support buffer address set by userspace
Need to update test_pcie and test-pcie-ep-new.
New test command:
1. run ./test-pcie-ep-new 500 1024 chn_num buffer_address both on RC and EP first
Release buffer use dma channel number = chn_num.
if buffer_address = 0
pcie_dma_buffer_address get from DT reserved memory
else
pcie_dma_buffer_address = buffer_address
2. run ./test-pcie 1 1000 1024 1 chn_num on RC
The last "1" means enable PCIe udma read, "0" means write.
RC read from EP use dma channel number = chn_num.
3. run ./test-pcie 2 1000 1024 1 chn_num on EP
EP read from RC with offset = buffer count * buffer size.
4. check version by:
cat /sys/kernel/debug/pcie/pcie_trx | grep version
5. 1024 means set buffer size to 1MB.
Change-Id: I7613037924659c75014d19b6c4845e096a56d295
Signed-off-by: Simon Xue <xxm@rock-chips.com>
Including modifications under drivers/base/ from the new DDK.
Resolve lots of conflicts.
Fix compilation errors when CONFIG_DEBUG_FS is disabled.
Change-Id: I69f9ac87d927441d0b92b8dac8b704922aeb6a0a
Signed-off-by: Zhen Chen <chenzhen@rock-chips.com>
Include a new directory include/uapi/gpu/arm/bifrost/,
which includes some header files of bifrost device driver.
In the original part of g6, the path is include/uapi/gpu/arm/midgard/.
I changed the "midgard" to "bifrost", and modified the paths of the header files in .c files.
I resolved some conflicts between modifications form ARM and RK, manually.
In addition, introduce source files of protected_memory_allocator
that might be needed by bifrost_device_driver into build system.
Further more, to avoid errors when building in GKI mode,
add "WITH Linux-syscall-note" to SPDX tag of uapi headers.
Change-Id: I09d500a0fdbc5da352c81dc4fcfbffb5b7f907f5
Signed-off-by: Zhen Chen <chenzhen@rock-chips.com>
move alpha scale to crtc feature and add hdr10/dolby hdr info to feature
to interaction with userspace.
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Change-Id: I492647a22b41bf43c3127bd56b2ed0b3b95284a2
add and remove some property to compatibility with hwc 2.0
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Change-Id: I8239ce40e30da6e2be55e0ccfa6748816c0fcf2a
* android12-5.10-2021-08: (429 commits)
ANDROID: Update symbol list for mtk
ANDROID: scheduler: export task_sched_runtime
FROMLIST: mm: slub: fix slub_debug disabling for list of slabs
FROMLIST: mm/madvise: add MADV_WILLNEED to process_madvise()
ANDROID: Update the exynos symbol list
FROMGIT: firmware: arm_scmi: Free mailbox channels if probe fails
ANDROID: GKI: gki_defconfig: Enable CONFIG_NFC
ANDROID: sched: Make uclamp changes depend on CAP_SYS_NICE
ANDROID: GKI: update xiaomi symbol list and ABI XML
ANDROID: ABI: update generic symbol list
ANDROID: scsi: ufs: Enable CONFIG_SCSI_UFS_HPB
ANDROID: scsi: ufs: Make CONFIG_SCSI_UFS_HPB compatible with the GKI
UPSTREAM: arm64: vdso: Avoid ISB after reading from cntvct_el0
ANDROID: GKI: Disable X86_MCE drivers
ANDROID: GKI: Update symbols to symbol list
ANDROID: ABI: update allowed list for exynos
FROMGIT: sched: Skip priority checks with SCHED_FLAG_KEEP_PARAMS
FROMGIT: sched: Don't report SCHED_FLAG_SUGOV in sched_getattr()
FROMGIT: sched/deadline: Fix reset_on_fork reporting of DL tasks
BACKPORT: FROMGIT: sched: Fix UCLAMP_FLAG_IDLE setting
...
Change-Id: I5e0600bb4ccd0333366b016b42332e1e79e56b61
Conflicts:
drivers/usb/gadget/configfs.c
include/linux/usb/gadget.h
RGA need to access CMA buffer at kernel space, so add this flag to keep kernel
line mapping for RGA.
Change-Id: Ia59acee3c904a495792229a80c42f74ae34200e3
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Enable programmable transmit interrupt mode in order to increase
system performance.
Change-Id: Ic1ef9ecae0c6feb00170ad97ee3c6245ca3bf068
Signed-off-by: Huibin Hong <huibin.hong@rock-chips.com>
This effectively locks down OWNERS approval to a small group to guard
the code base against unintentional breakages.
Bug: 194314089
Signed-off-by: Matthias Maennich <maennich@google.com>
Change-Id: Ifd1ea97639a622320ea83f901f6451e2e52b38d4
The vcnt event is similar to vblank event, but userspace can set the
time(which scan line) when the event occur.
This add a new event type: DRM_EVENT_ROCKCHIP_CRTC_VCNT userspace create
this event by ioctl DRM_IOCTL_ROCKCHIP_GET_VCNT_EVENT
Change-Id: If3da4bb29469ac7dc379e9462994aeda3202d3d2
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Allow the user program to specify both ASYNC and SYNC TCF modes by
repurposing the existing constants as bitfields. This will allow the
kernel to select one of the modes on behalf of the user program. With
this patch the kernel will always select async mode, but a subsequent
patch will make this configurable.
Link: https://linux-review.googlesource.com/id/Icc5923c85a8ea284588cc399ae74fd19ec291230
Signed-off-by: Peter Collingbourne <pcc@google.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/linux-arm-kernel/20210702194110.2045282-3-pcc@google.com/
Bug: 189966263
Change-Id: Icc5923c85a8ea284588cc399ae74fd19ec291230
This change introduces a prctl that allows the user program to control
which PAC keys are enabled in a particular task. The main reason
why this is useful is to enable a userspace ABI that uses PAC to
sign and authenticate function pointers and other pointers exposed
outside of the function, while still allowing binaries conforming
to the ABI to interoperate with legacy binaries that do not sign or
authenticate pointers.
The idea is that a dynamic loader or early startup code would issue
this prctl very early after establishing that a process may load legacy
binaries, but before executing any PAC instructions.
This change adds a small amount of overhead to kernel entry and exit
due to additional required instruction sequences.
On a DragonBoard 845c (Cortex-A75) with the powersave governor, the
overhead of similar instruction sequences was measured as 4.9ns when
simulating the common case where IA is left enabled, or 43.7ns when
simulating the uncommon case where IA is disabled. These numbers can
be seen as the worst case scenario, since in more realistic scenarios
a better performing governor would be used and a newer chip would be
used that would support PAC unlike Cortex-A75 and would be expected
to be faster than Cortex-A75.
On an Apple M1 under a hypervisor, the overhead of the entry/exit
instruction sequences introduced by this patch was measured as 0.3ns
in the case where IA is left enabled, and 33.0ns in the case where
IA is disabled.
Signed-off-by: Peter Collingbourne <pcc@google.com>
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Link: https://linux-review.googlesource.com/id/Ibc41a5e6a76b275efbaa126b31119dc197b927a5
Link: https://lore.kernel.org/r/d6609065f8f40397a4124654eb68c9f490b4d477.1616123271.git.pcc@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Bug: 192536783
(cherry picked from commit 201698626f)
Change-Id: Ic0a21c92a22575f9ec3599fb67bd2931a50b9f04
[quic_eberman@quicinc.com: Resolved merge conflict in
arch/arm64/kernel/process.c]
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Signed-off-by: Peter Collingbourne <pcc@google.com>
