Commit Graph

221 Commits

Author SHA1 Message Date
Stanimir Varbanov
05dea7980d media: venus: hfi: add type argument to hfi flush function
Make hfi_flush function to receive an argument for the type
of flush.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-08-05 10:50:56 -03:00
Stanimir Varbanov
1e485ee5a7 media: venus: helpers: export few helper functions
Here we export few helper function to use them from decoder to
implement more granular control needed for stateful Codec API
compliance.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-08-05 10:50:36 -03:00
Malathi Gottam
d162aea8f6 media: venus: venc: amend buffer size for bitstream plane
Accept the buffer size requested by client and compare it
against driver calculated size and set the maximum to
bitstream plane.

Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-08-05 10:49:59 -03:00
Sakari Ailus
016413d967 media: v4l2-async: Get fwnode reference when putting it to the notifier's list
The v4l2_async_notifier_add_fwnode_subdev() did not take a reference of
the added fwnode, relying on the caller to handle that instead, in essence
putting the fwnode to be added if there was an error.

As the reference is eventually released during the notifier cleanup, this
is not intuitive nor logical. Improve this by always getting a reference
when the function succeeds, and the caller releasing the reference when it
does not *itself* need it anymore.

Luckily, perhaps, there were just a handful of callers using the function.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-07-25 08:01:43 -04:00
Mauro Carvalho Chehab
882f261874 Linux 5.2-rc5
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Merge tag 'v5.2-rc5' into patchwork

Linux 5.2-rc5

There are some media fixes on -rc5, so merge from it at media
devel tree.

* tag 'v5.2-rc5': (210 commits)
  Linux 5.2-rc5
  x86/microcode, cpuhotplug: Add a microcode loader CPU hotplug callback
  Smack: Restore the smackfsdef mount option and add missing prefixes
  ftrace: Fix NULL pointer dereference in free_ftrace_func_mapper()
  module: Fix livepatch/ftrace module text permissions race
  tracing/uprobe: Fix obsolete comment on trace_uprobe_create()
  tracing/uprobe: Fix NULL pointer dereference in trace_uprobe_create()
  tracing: Make two symbols static
  tracing: avoid build warning with HAVE_NOP_MCOUNT
  tracing: Fix out-of-range read in trace_stack_print()
  gfs2: Fix rounding error in gfs2_iomap_page_prepare
  x86/kasan: Fix boot with 5-level paging and KASAN
  timekeeping: Repair ktime_get_coarse*() granularity
  Revert "ALSA: hda/realtek - Improve the headset mic for Acer Aspire laptops"
  mm/devm_memremap_pages: fix final page put race
  PCI/P2PDMA: track pgmap references per resource, not globally
  lib/genalloc: introduce chunk owners
  PCI/P2PDMA: fix the gen_pool_add_virt() failure path
  mm/devm_memremap_pages: introduce devm_memunmap_pages
  drivers/base/devres: introduce devm_release_action()
  ...
2019-06-21 16:09:25 -04:00
Linus Torvalds
35110e38e6 media updates for v5.2-rc1
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Merge tag 'media/v5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab:

 - a debug warning for satellite tuning at dvb core was producing too
   much noise

 - a regression at hfi_parser on Venus driver

* tag 'media/v5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  media: venus: hfi_parser: fix a regression in parser
  media: dvb: warning about dvb frequency limits produces too much noise
2019-06-12 05:57:05 -10:00
Mauro Carvalho Chehab
5800571960 Linux 5.2-rc4
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Merge tag 'v5.2-rc4' into media/master

There are some conflicts due to SPDX changes. We also have more
patches being merged via media tree touching them.

So, let's merge back from upstream and address those.

Linux 5.2-rc4

* tag 'v5.2-rc4': (767 commits)
  Linux 5.2-rc4
  MAINTAINERS: Karthikeyan Ramasubramanian is MIA
  i2c: xiic: Add max_read_len quirk
  lockref: Limit number of cmpxchg loop retries
  uaccess: add noop untagged_addr definition
  x86/insn-eval: Fix use-after-free access to LDT entry
  kbuild: use more portable 'command -v' for cc-cross-prefix
  s390/unwind: correct stack switching during unwind
  block, bfq: add weight symlink to the bfq.weight cgroup parameter
  cgroup: let a symlink too be created with a cftype file
  drm/nouveau/secboot/gp10[2467]: support newer FW to fix SEC2 failures on some boards
  drm/nouveau/secboot: enable loading of versioned LS PMU/SEC2 ACR msgqueue FW
  drm/nouveau/secboot: split out FW version-specific LS function pointers
  drm/nouveau/secboot: pass max supported FW version to LS load funcs
  drm/nouveau/core: support versioned firmware loading
  drm/nouveau/core: pass subdev into nvkm_firmware_get, rather than device
  block: free sched's request pool in blk_cleanup_queue
  pktgen: do not sleep with the thread lock held.
  net: mvpp2: Use strscpy to handle stat strings
  net: rds: fix memory leak in rds_ib_flush_mr_pool
  ...

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-06-11 12:09:28 -04:00
Shobhit Kukreti
eb42ac1b41 media: platform: Fix Warning of Unneeded Semicolon reported by coccicheck
fixed the warning in the files below

drivers/media/platform/pxa_camera.c:1391:2-3: Unneeded semicolon
drivers/media/platform/qcom/venus/vdec_ctrls.c:78:2-3: Unneeded semicolon
drivers/media/platform/sti/c8sectpfe/c8sectpfe-dvb.c:146:3-4: Unneeded semicolon

Signed-off-by: Shobhit Kukreti <shobhitkukreti@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-06-05 15:25:40 -04:00
Thomas Gleixner
97fb5e8d9b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 and
  only version 2 as published by the free software foundation this
  program is distributed in the hope that it will be useful but
  without any warranty without even the implied warranty of
  merchantability or fitness for a particular purpose see the gnu
  general public license for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 294 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.825281744@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:36:37 +02:00
Boris Brezillon
7e98b7b542 media: v4l2: Get rid of ->vidioc_enum_fmt_vid_{cap, out}_mplane
Support for multiplanar and singleplanar formats is mutually exclusive,
at least in practice. In our attempt to unify support for support for
mplane and !mplane in v4l, let's get rid of the
->vidioc_enum_fmt_{vid,out}_cap_mplane() hooks and call
->vidioc_enum_fmt_{vid,out}_cap() instead.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
[hverkuil-cisco@xs4all.nl: fix typos: pirv -> priv and prov -> priv]
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-06-05 07:48:32 -04:00
Stanimir Varbanov
a200c72195 media: venus: hfi_parser: fix a regression in parser
This fixes the following data abort:

 Unable to handle kernel paging request at virtual address 0000078000000040
 Mem abort info:
   ESR = 0x96000004
   Exception class = DABT (current EL), IL = 32 bits
   SET = 0, FnV = 0
   EA = 0, S1PTW = 0
 Data abort info:
   ISV = 0, ISS = 0x00000004
   CM = 0, WnR = 0
 user pgtable: 4k pages, 48-bit VAs, pgdp = (____ptrval____)
 [0000078000000040] pgd=0000000000000000
 Internal error: Oops: 96000004 [#1] PREEMPT SMP
 Process irq/28-venus (pid: 292, stack limit = 0x(____ptrval____))
 CPU: 0 PID: 292 Comm: irq/28-venus Not tainted 5.2.0-rc1+ #60
 Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT)
 pstate: 60000005 (nZCv daif -PAN -UAO)
 pc : __memcpy+0x100/0x180
 lr : parse_caps+0x94/0xc0 [venus_core]
 sp : ffff0000114e3990
 x29: ffff0000114e3990 x28: ffff80003a7d0148
 x27: 00000000000df018 x26: ffff000008bd4618
 x25: 0000000000020003 x24: 0000078000000040
 x23: 0000000000000002 x22: 0000000000000002
 x21: ffff80003b9b8080 x20: 0000000000000008
 x19: ffff000010f59000 x18: 0000000000000000
 x17: 0000000000000000 x16: ffff80003c0f9b80
 x15: 0000000000000000 x14: 0100000100000002
 x13: 000000010020100b x12: 000000010000100a
 x11: 0000100000000040 x10: 0000100000000004
 x9 : 0000000000000000 x8 : ffff0000114e3bd8
 x7 : 0000000000000000 x6 : ffff0000114e39d8
 x5 : 0000000000000040 x4 : 0000000000000000
 x3 : 0000000000000010 x2 : 0000000000000000
 x1 : 0000078000000040 x0 : ffff0000114e39d8
 Call trace:
  __memcpy+0x100/0x180
  hfi_parser+0x23c/0x3b8 [venus_core]
  hfi_session_init_done+0x40/0x60 [venus_core]
  hfi_process_msg_packet+0xd4/0x1d8 [venus_core]
  venus_isr_thread+0x1e0/0x230 [venus_core]
  hfi_isr_thread+0x18/0x20 [venus_core]
  irq_thread_fn+0x28/0x78
  irq_thread+0x124/0x1c0
  kthread+0x124/0x128
  ret_from_fork+0x10/0x18
 Code: d503201f d503201f d503201f d503201f (a8c12027)
 ---[ end trace fd253ebaeea05ffc ]---
 genirq: exiting task "irq/28-venus" (292) is an active IRQ thread (irq 28)

by modifying structure members to flexible array members.

Fixes: ded7162671 media: hfi_parser: don't trick gcc with a wrong expected size

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-29 10:20:06 -04:00
Hans Verkuil
4914425e28 media: coda/venus/s5p_mfc: fix control typo
These two slice modes used by the V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE
control had a silly typo:

V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB
V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES

SICE should be SLICE.

Rename these enum values, keeping the old ones (under #ifndef __KERNEL__)
for backwards compatibility reasons.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-28 12:07:22 -04:00
Mauro Carvalho Chehab
1e0566fd4a Linux 5.2-rc2
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Merge tag 'v5.2-rc2' into patchwork

Merge back from upstream into media tree, as there are some
patches merged upstream that has pontential of causing
conflicts (one actually rised a conflict already).

Linux 5.2-rc2

* tag 'v5.2-rc2': (377 commits)
  Linux 5.2-rc2
  random: fix soft lockup when trying to read from an uninitialized blocking pool
  tracing: Silence GCC 9 array bounds warning
  ext4: fix dcache lookup of !casefolded directories
  locking/lock_events: Use this_cpu_add() when necessary
  KVM: x86: fix return value for reserved EFER
  tools/kvm_stat: fix fields filter for child events
  KVM: selftests: Wrap vcpu_nested_state_get/set functions with x86 guard
  kvm: selftests: aarch64: compile with warnings on
  kvm: selftests: aarch64: fix default vm mode
  kvm: selftests: aarch64: dirty_log_test: fix unaligned memslot size
  KVM: s390: fix memory slot handling for KVM_SET_USER_MEMORY_REGION
  KVM: x86/pmu: do not mask the value that is written to fixed PMUs
  KVM: x86/pmu: mask the result of rdpmc according to the width of the counters
  x86/kvm/pmu: Set AMD's virt PMU version to 1
  KVM: x86: do not spam dmesg with VMCS/VMCB dumps
  kvm: Check irqchip mode before assign irqfd
  kvm: svm/avic: fix off-by-one in checking host APIC ID
  KVM: selftests: do not blindly clobber registers in guest asm
  KVM: selftests: Remove duplicated TEST_ASSERT in hyperv_cpuid.c
  ...
2019-05-28 11:21:51 -04:00
Wen Yang
2c41cc0be0 media: venus: firmware: fix leaked of_node references
The call to of_parse_phandle returns a node pointer with refcount
incremented thus it must be explicitly decremented after the last
usage.

Detected by coccinelle with the following warnings:
drivers/media/platform/qcom/venus/firmware.c:90:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 82, but without a corresponding object release within this function.
drivers/media/platform/qcom/venus/firmware.c:94:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 82, but without a corresponding object release within this function.
drivers/media/platform/qcom/venus/firmware.c:128:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 82, but without a corresponding object release within this function.

Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-24 09:03:06 -04:00
Stanimir Varbanov
bc8c479a5b media: venus: helpers: fix dynamic buffer mode for v4
Venus v4 doesn't send ALLOC_MODE property and thus parser doesn't
recognize it as dynamic buffer (for OUTPUT/OUTPUT2 type of buffers)
make it obvious in the helper function.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-21 09:03:25 -04:00
Stanimir Varbanov
3d7f0d7126 media: venus: hfi_cmds: add more not-implemented properties
Add two more not-implemented properties for Venus v4.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-21 09:03:03 -04:00
Kelvin Lawson
cd396c8cbf media: venus: Add support for H265 controls
Add support for V4L2 H265 controls:
 * V4L2_CID_MPEG_VIDEO_HEVC_PROFILE
 * V4L2_CID_MPEG_VIDEO_HEVC_LEVEL

Signed-off-by: Kelvin Lawson <klawson@lisden.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-21 09:02:14 -04:00
Alexandre Courbot
a132459d40 media: venus: core: fix max load for msm8996 and sdm845
Patch commit de5a0bafcf ("media: venus: core: correct maximum hardware
load for sdm845") meant to increase the maximum hardware load for sdm845,
but ended up changing the one for msm8996 instead.

Fixes: de5a0bafcf ("media: venus: core: correct maximum hardware load for sdm845")

Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-21 09:01:30 -04:00
Thomas Gleixner
ec8f24b7fa treewide: Add SPDX license identifier - Makefile/Kconfig
Add SPDX license identifiers to all Make/Kconfig files which:

 - Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 10:50:46 +02:00
Mauro Carvalho Chehab
ded7162671 media: hfi_parser: don't trick gcc with a wrong expected size
Smatch warns about small size on two structs:

	drivers/media/platform/qcom/venus/hfi_parser.c:103 parse_profile_level() error: memcpy() 'proflevel' too small (8 vs 128)
	drivers/media/platform/qcom/venus/hfi_parser.c: drivers/media/platform/qcom/venus/hfi_parser.c:129 parse_caps() error: memcpy() 'cap' too small (16 vs 512)

The reason is that the hfi_parser actually expects:
    - multiple data entries on hfi_capabilities
    - multiple profile_level on hfi_profile_level_supported

However, the structs trick gcc, making it to believe that
there's just one value for each.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-03-25 18:02:34 -04:00
Mauro Carvalho Chehab
8b72c18d46 media: platform: fix several typos
Use codespell to fix lots of typos over frontends.

Manually verified to avoid false-positives.

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Houlong Wei <houlong.wei@mediatek.com>
Reviewed-by: Yong Deng <yong.deng@magewell.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-03-01 09:35:21 -05:00
Stanimir Varbanov
947e3b3cf1 media: venus: helpers: drop setting of timestamp invalid flag
The zero timestamp is really valid so fix that mistake by
dropping the code which checks for zero timestamp.

Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-01-25 18:43:55 -02:00
Stanimir Varbanov
d24f800247 media: venus: core: correct frequency table for sdm845
This corrects clock frequency table rates to be in sync
with video clock controller frequency table.

Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-01-25 18:43:24 -02:00
Stanimir Varbanov
de5a0bafcf media: venus: core: correct maximum hardware load for sdm845
This correct maximum hardware load constant in per SoC resources
for sdm845 aka Venus v4.

Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-01-25 18:42:27 -02:00
Stanimir Varbanov
5792ae7c3d media: venus: firmware: check fw size against DT memory region size
By historical reasons we defined firmware memory size to be 6MB even
that the firmware size for all supported Venus versions is 5MBs. Correct
that by compare the required firmware size returned from mdt loader and
the one provided by DT reserved memory region. We proceed further if the
required firmware size is smaller than provided by DT memory region.

Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-01-25 18:41:35 -02:00
Vivek Gautam
de2563bce7 media: venus: core: Set dma maximum segment size
Turning on CONFIG_DMA_API_DEBUG_SG results in the following error:

[  460.308650] ------------[ cut here ]------------
[  460.313490] qcom-venus aa00000.video-codec: DMA-API: mapping sg segment longer than device claims to support [len=4194304] [max=65536]
[  460.326017] WARNING: CPU: 3 PID: 3555 at src/kernel/dma/debug.c:1301 debug_dma_map_sg+0x174/0x254
[  460.338888] Modules linked in: venus_dec venus_enc videobuf2_dma_sg videobuf2_memops hci_uart btqca bluetooth venus_core v4l2_mem2mem videobuf2_v4l2 videobuf2_common ath10k_snoc ath10k_core ath lzo lzo_compress zramjoydev
[  460.375811] CPU: 3 PID: 3555 Comm: V4L2DecoderThre Tainted: G        W         4.19.1 #82
[  460.384223] Hardware name: Google Cheza (rev1) (DT)
[  460.389251] pstate: 60400009 (nZCv daif +PAN -UAO)
[  460.394191] pc : debug_dma_map_sg+0x174/0x254
[  460.398680] lr : debug_dma_map_sg+0x174/0x254
[  460.403162] sp : ffffff80200c37d0
[  460.406583] x29: ffffff80200c3830 x28: 0000000000010000
[  460.412056] x27: 00000000ffffffff x26: ffffffc0f785ea80
[  460.417532] x25: 0000000000000000 x24: ffffffc0f4ea1290
[  460.423001] x23: ffffffc09e700300 x22: ffffffc0f4ea1290
[  460.428470] x21: ffffff8009037000 x20: 0000000000000001
[  460.433936] x19: ffffff80091b0000 x18: 0000000000000000
[  460.439411] x17: 0000000000000000 x16: 000000000000f251
[  460.444885] x15: 0000000000000006 x14: 0720072007200720
[  460.450354] x13: ffffff800af536e0 x12: 0000000000000000
[  460.455822] x11: 0000000000000000 x10: 0000000000000000
[  460.461288] x9 : 537944d9c6c48d00 x8 : 537944d9c6c48d00
[  460.466758] x7 : 0000000000000000 x6 : ffffffc0f8d98f80
[  460.472230] x5 : 0000000000000000 x4 : 0000000000000000
[  460.477703] x3 : 000000000000008a x2 : ffffffc0fdb13948
[  460.483170] x1 : ffffffc0fdb0b0b0 x0 : 000000000000007a
[  460.488640] Call trace:
[  460.491165]  debug_dma_map_sg+0x174/0x254
[  460.495307]  vb2_dma_sg_alloc+0x260/0x2dc [videobuf2_dma_sg]
[  460.501150]  __vb2_queue_alloc+0x164/0x374 [videobuf2_common]
[  460.507076]  vb2_core_reqbufs+0xfc/0x23c [videobuf2_common]
[  460.512815]  vb2_reqbufs+0x44/0x5c [videobuf2_v4l2]
[  460.517853]  v4l2_m2m_reqbufs+0x44/0x78 [v4l2_mem2mem]
[  460.523144]  v4l2_m2m_ioctl_reqbufs+0x1c/0x28 [v4l2_mem2mem]
[  460.528976]  v4l_reqbufs+0x30/0x40
[  460.532480]  __video_do_ioctl+0x36c/0x454
[  460.536610]  video_usercopy+0x25c/0x51c
[  460.540572]  video_ioctl2+0x38/0x48
[  460.544176]  v4l2_ioctl+0x60/0x74
[  460.547602]  do_video_ioctl+0x948/0x3520
[  460.551648]  v4l2_compat_ioctl32+0x60/0x98
[  460.555872]  __arm64_compat_sys_ioctl+0x134/0x20c
[  460.560718]  el0_svc_common+0x9c/0xe4
[  460.564498]  el0_svc_compat_handler+0x2c/0x38
[  460.568982]  el0_svc_compat+0x8/0x18
[  460.572672] ---[ end trace ce209b87b2f3af88 ]---

>From above warning one would deduce that the sg segment will overflow
the device's capacity. In reality, the hardware can accommodate larger
sg segments.
So, initialize the max segment size properly to weed out this warning.

Based on a similar patch sent by Sean Paul for mdss:
https://patchwork.kernel.org/patch/10671457/

Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-12-07 08:28:10 -05:00
Kelvin Lawson
2123cbd687 media: venus: Support V4L2 QP parameters in Venus encoder
Support V4L2 QP parameters in Venus encoder:
 * V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP
 * V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP
 * V4L2_CID_MPEG_VIDEO_H264_MIN_QP
 * V4L2_CID_MPEG_VIDEO_H264_MAX_QP

Signed-off-by: Kelvin Lawson <klawson@lisden.com>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-12-07 08:27:29 -05:00
Malathi Gottam
c35f0b1653 media: venus: add support for key frame
When client requests for a keyframe, set the property
to hardware to generate the sync frame.

Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
Acked-by: Tomasz Figa <tfiga@chromium.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-12-07 08:14:20 -05:00
Todor Tomov
25f5c34bc8 media: camss: Take in account sensor skip frames
When streaming is starting ask the sensor for its skip frames value.
Max supported frame skip is 29 frames, so clip it if it is higher.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-12-03 14:27:17 -05:00
Alexandre Courbot
87e25f4b2c media: venus: fix reported size of 0-length buffers
The last buffer is often signaled by an empty buffer with the
V4L2_BUF_FLAG_LAST flag set. Such buffers were returned with the
bytesused field set to the full size of the OPB, which leads
user-space to believe that the buffer actually contains useful data. Fix
this by passing the number of bytes reported used by the firmware.

Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-12-03 13:20:27 -05:00
Malathi Gottam
61df5aa325 media: venus: dynamic handling of bitrate
Any request for a change in bitrate after both planes
are streamed on is handled by setting the target bitrate
property to hardware.

Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-12-03 13:19:44 -05:00
Malathi Gottam
0aaddaaf68 media: venus: handle peak bitrate set property
Max bitrate property is not supported for venus version 4xx.
Return unsupported from packetization layer. Handle it in
hfi_venus layer to exit gracefully to venc layer.

Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-11-27 13:57:55 -05:00
Malathi Gottam
6748c1cfd2 media: venus: add support for USERPTR to queue
Add USERPTR to queue access methods by adding this
support to io_modes on both the planes.

Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-11-27 13:57:27 -05:00
Vikash Garodia
df381dc8e4 media: venus: firmware: add no TZ boot and shutdown routine
Video hardware is mainly comprised of vcodec subsystem and video
control subsystem. Video control has ARM9 which executes the video
firmware instructions whereas vcodec does the video frame processing.
This change adds support to load the video firmware and bring ARM9
out of reset for platforms which does not have trustzone.
An iommu domain is associated and managed with the firmware device.

Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-11-23 06:34:12 -05:00
Stanimir Varbanov
f9799fcce4 media: venus: firmware: register separate platform_device for firmware loader
This registers a firmware platform_device and associate it with
video-firmware DT subnode. Then calls dma configure to initialize
dma and iommu.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-11-23 06:32:00 -05:00
Vikash Garodia
a4cf7e3c06 media: venus: firmware: move load firmware in a separate function
Separate firmware loading part into a new function.

Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-11-23 06:31:22 -05:00
Vikash Garodia
5df317c878 media: venus: firmware: add routine to reset ARM9
Add routine to reset the ARM9 and brings it out of reset. Also
abstract the Venus CPU state handling with a new function. This
is in preparation to add PIL functionality in venus driver.

Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-11-23 06:31:12 -05:00
Malathi Gottam
f8e5b2f390 media: venus: change the default value of GOP size
When the client doesn't explicitly set any GOP size, current
default value is low and overshoots bitrate beyond  tolerance.
Hence default value is modified so as to have intra period of 1sec.

Signed-off-by: Malathi Gottam <mgottam@codeaurora.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-11-23 04:34:16 -05:00
Vikash Garodia
ce32c0a530 media: venus: vdec: fix decoded data size
Existing code returns the max of the decoded size and buffer size.
It turns out that buffer size is always greater due to hardware
alignment requirement. As a result, payload size given to client
is incorrect. This change ensures that the bytesused is assigned
to actual payload size, when available.

Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-10-09 08:07:07 -04:00
Steve Longerbeam
d079f94c90 media: platform: Switch to v4l2_async_notifier_add_subdev
Switch all media platform drivers to call v4l2_async_notifier_add_subdev()
to add asd's to a notifier, in place of referencing the notifier->subdevs[]
array. These drivers also must now call v4l2_async_notifier_init() before
adding asd's to their notifiers.

There may still be cases where a platform driver maintains a list of
asd's that is a duplicate of the notifier asd_list, in which case its
possible the platform driver list can be removed, and can reference the
notifier asd_list instead. One example of where a duplicate list has
been removed in this patch is xilinx-vipp.c. If there are such cases
remaining, those drivers should be optimized to remove the duplicate
platform driver asd lists.

None of the changes to the platform drivers in this patch have been
tested. Verify that the async subdevices needed by the platform are
bound at load time, and that the driver unloads and reloads correctly
with no memory leaking of asd objects.

Suggested-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-10-04 15:55:38 -04:00
zhong jiang
ab8ff650e5 media: qcom: remove duplicated include file
We include device.h twice in camss.h. It's unnecessary.
hence just remove it.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Acked-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-10-04 14:28:12 -04:00
Gustavo A. R. Silva
1cafbb867c media: venus: helpers: use true and false for boolean values
Return statements in functions returning bool should use true or false
instead of an integer value.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-09-24 09:31:12 -04:00
Mauro Carvalho Chehab
c0decac19d media: use strscpy() instead of strlcpy()
The implementation of strscpy() is more robust and safer.

That's now the recommended way to copy NUL terminated strings.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-09-11 13:32:17 -04:00
Arnd Bergmann
3799eca51c media: camss: add missing includes
Multiple files in this driver fail to build because of missing
header inclusions:

drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c: In function 'csiphy_hw_version_read':
drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c:31:18: error: implicit declaration of function 'readl_relaxed'; did you mean 'xchg_relaxed'? [-Werror=implicit-function-declaration]
drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c: In function 'csiphy_hw_version_read':
drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c:52:2: error: implicit declaration of function 'writel' [-Werror=implicit-function-declaration]

Add linux/io.h there and in all other files that call
readl/writel and related interfaces.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-29 14:02:06 -04:00
Todor Tomov
55b5189989 media: camss: Use managed memory allocations
Use managed memory allocations for structs which are used until
the driver is removed.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-29 14:01:51 -04:00
Arnd Bergmann
44a9ffd4eb media: camss: mark PM functions as __maybe_unused
The empty suspend/resume functions cause a build warning
when they are unused:

drivers/media/platform/qcom/camss/camss.c:1001:12: error: 'camss_runtime_resume' defined but not used [-Werror=unused-function]
drivers/media/platform/qcom/camss/camss.c:996:12: error: 'camss_runtime_suspend' defined but not used [-Werror=unused-function]

Mark them as __maybe_unused so the compiler can silently drop them.

Fixes: 02afa816db ("media: camss: Add basic runtime PM support")

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Todor Tomov <todor.tomov@linaro.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-29 14:00:26 -04:00
Arnd Bergmann
1b7369acc4 media: headers: fix linux/mod_devicetable.h inclusions
A couple of drivers produced build errors after the mod_devicetable.h
header was split out from the platform_device one, e.g.

drivers/media/platform/davinci/vpbe_osd.c:42:40: error: array type has incomplete element type 'struct platform_device_id'
drivers/media/platform/davinci/vpbe_venc.c:42:40: error: array type has incomplete element type 'struct platform_device_id'

This adds the inclusion where needed.

Fixes: ac3167257b ("headers: separate linux/mod_devicetable.h from linux/platform_device.h")

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 18:30:54 -04:00
Todor Tomov
988b3ae3e0 media: camss: csid: Add support for events triggered by user controls
Changing a user control value can trigger an event to other
users. Add support for that.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 08:48:28 -04:00
Todor Tomov
cc8fe07398 media: camss: Add support for 10-bit grayscale formats
Add support for 10-bit packed V4L2_PIX_FMT_Y10P (on 8x16 and 8x96)
and unpacked V4L2_PIX_FMT_Y10 (on 8x96 only) pixel formats.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 08:46:41 -04:00
Todor Tomov
f476fb568f media: camss: Add support for RAW MIPI14 on 8x96
Add support for RAW MIPI14 format for RDI mode on 8x96.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:40:12 -04:00
Todor Tomov
5019d7c820 media: camss: csid: MIPI10 to Plain16 format conversion
Use the PRDI mode on 8x96 to allow to configure RAW MIPI10
to Plain16 format conversion.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:39:31 -04:00
Todor Tomov
7e37f47f3a media: camss: csid: Different format support on source pad
Usually the format on the source pad is the same as on the sink pad.
However the CSID is able to do some format conversions. To support
this make the format on the source pad selectable amongst a list
of formats. This list can be different for each sink pad format.
This is still not used but will be when the format conversions
are implemented.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:38:44 -04:00
Todor Tomov
312e1c858a media: camss: vfe: Add support for UYVY output from VFE on 8x96
Add support to output UYVY formats from the VFE (via the PIX interface).
A configuration for the realign module in the VFE is added. As the
realign module is present on 8x96 but not on 8x16, this is supported
on 8x96 only.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:37:48 -04:00
Todor Tomov
07eeb342a1 media: camss: vfe: Different format support on source pad
Rework the format selection on the source pad. Make the format
on the source pad selectable amongst a list of formats. This
list can be different for each sink pad format.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:36:06 -04:00
Todor Tomov
cba3819d1e media: camss: Format configuration per hardware version
As the 8x16 and 8x96 support different formats, separate the
arrays which contain the supported formats. For the VFE also
add separate arrays for RDI and PIX subdevices.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:35:09 -04:00
Todor Tomov
4e1abf66fe media: camss: vfe: Add support for 8x96
Add VFE hardware dependent part for 8x96.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:33:04 -04:00
Todor Tomov
051a01ac9c media: camss: vfe: Split to hardware dependent and independent parts
This will allow to add support for different hardware.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:30:34 -04:00
Todor Tomov
e08c7f8696 media: camss: ispif: Add support for 8x96
ISPIF hardware modules on 8x16 and 8x96 are similar. However on
8x96 the ISPIF routes data to two VFE hardware modules. Add
separate interrupt handler for 8x96 to handle the additional
interrupts.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:27:21 -04:00
Todor Tomov
2a05493b5d media: camss: csid: Add support for 8x96
CSID hardware modules on 8x16 and 8x96 are similar. There is no
need to duplicate the code by adding separate versions. Just
update the register macros to return the correct register
addresses.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:26:36 -04:00
Todor Tomov
4138a88b60 media: camss: csiphy: Add support for 8x96
Add CSIPHY hardware dependent part for 8x96.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:25:48 -04:00
Todor Tomov
369f81f350 media: camss: csiphy: Unify lane handling
Restructure lane configuration so it is simpler and will allow
similar (although not the same) handling for different hardware
versions.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:25:02 -04:00
Todor Tomov
516e8f0f89 media: camss: csiphy: Split to hardware dependent and independent parts
This will allow to add support for different hardware.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
[hans.verkuil@cisco.com: remove trailing empty line]
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:24:27 -04:00
Todor Tomov
02afa816db media: camss: Add basic runtime PM support
There is a PM domain for each of the VFE hardware modules. Add
support for basic runtime PM support to be able to control the
PM domains. When a PM domain needs to be powered on - a device
link is created. When a PM domain needs to be powered off -
its device link is removed. This allows separate and
independent control of the PM domains.

Suspend/Resume is still not supported.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:23:18 -04:00
Todor Tomov
9c3e59de60 media: camss: Add 8x96 resources
Add structs with 8x96 resources. As the number of CSIPHY, CSID
and VFE hardware modules is different on 8x16 and 8x96 select
the number at runtime and allocate needed structures
dynamically.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:21:40 -04:00
Todor Tomov
06d690f092 media: camss: vfe: Do not disable CAMIF when clearing its status
Use "no change" value when clearing CAMIF status and make sure
this is done before configuring the new command.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:16:45 -04:00
Todor Tomov
a93e5f4fc8 media: camss: vfe: Get line pointer as container of video_out
Simplify getting of the line pointer by using the container_of
macro instead of traversing media controller links.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:15:55 -04:00
Todor Tomov
c9896b6551 media: camss: vfe: Fix to_vfe() macro member name
Use the member name which is "line" instead of the pointer argument.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:14:23 -04:00
Todor Tomov
c628e78899 media: camss: csid: Configure data type and decode format properly
The CSID decodes the input data stream. When the input comes from
the Test Generator the format of the stream is set on the source
media pad. When the input comes from the CSIPHY the format is the
one on the sink media pad. Use the proper format for each case.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:13:30 -04:00
Todor Tomov
7066647cdb media: camss: csiphy: Update settle count calculation
Update settle count calculation as per specification.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:12:45 -04:00
Todor Tomov
09a94865d4 media: camss: Unify the clock names
Use more logical clock names - similar to the names in documentation.
This will allow better handling of the clocks in the driver when support
for more hardware versions is added - equivalent clocks on different
hardware versions will have the same name.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:12:19 -04:00
Todor Tomov
5ba913b3fc media: camss: csiphy: Ensure clock mux config is done before the rest
Add a write memory barier after clock mux config and before the rest
of the csiphy config.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:11:19 -04:00
Todor Tomov
2004fc09b3 media: camss: Fix OF node usage
of_graph_get_next_endpoint increases the refcount of the returned
node and decreases the refcount of the passed node. Take this into
account and use of_node_put properly.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:10:38 -04:00
Todor Tomov
b873663bd8 media: camss: Use SPDX license headers
Use SPDX license headers for all files of the Qualcomm CAMSS driver.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:09:11 -04:00
Todor Tomov
ec6859b23f media: Rename CAMSS driver path
Support for camera subsystem on QComm MSM8996/APQ8096 is to be added
so remove hardware version from CAMSS driver's path.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-02 06:08:12 -04:00
Stanimir Varbanov
1fb9a60555 media: venus: add HEVC codec support
This add HEVC codec support for venus versions 3xx and 4xx.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 09:29:25 -04:00
Stanimir Varbanov
0e8954a415 media: venus: core: add sdm845 DT compatible and resource data
This adds sdm845 DT compatible string with it's resource
data table.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 09:28:53 -04:00
Stanimir Varbanov
f012b23d64 media: venus: implementing multi-stream support
This is implementing multi-stream decoder support. The multi-stream
will be used to enable/disable the primary/secondary decoder
outputs. Depending on formats on both decoder outputs we could
implement downscale, dithering and supporting UBWC (universal
bandwidth compression) formats. The UBWC compressed raw format is
used to optimize interconnect bandwidth for bigger resolutions
like 4K and hence we will get some power-saving benefits as well.

Both decoder outputs are distinguished by buffer_type field in
the HFI packets. For example HFI_BUFFER_OUTPUT is the buffer type
for primary decoder output and HFI_BUFFER_OUTPUT2 is for secondary
decoder output.

Starting from Venus 4xx the DPB buffers format must be UBWC, so
the multi-stream becomes mandatory for this Venus version. That
means that we need to allocate internally in the driver a set of
DPB buffers (with UBWC NV12 format) and give them to the firmware.
The other decoder output (we called it OPB) format will be NV12
linear format and with the same resolution (or smaller in case
the user wants to downscale).

The DPB buffers are used for decoder reference frames and those
have to be in a specific format (UBWC). So one decoder output is
used to fill those reference buffers while the other output is
used to fill the userspace buffers with the user requested format.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 09:16:11 -04:00
Stanimir Varbanov
e1cb72de70 media: venus: helpers: move frame size calculations on common place
This move the calculations of raw and compressed buffer sizes
on common helper and make it identical for encoder and decoder.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 09:00:09 -04:00
Stanimir Varbanov
ea8ce23513 media: venus: vdec: a new function for output configuration
Make a new function vdec_output_conf() for decoder output
configuration. vdec_output_conf() will set properties via
HFI interface related to the output configuration, and
keep vdec_set_properties() which will set properties
related to decoding parameters.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:59:16 -04:00
Stanimir Varbanov
7094af54c5 media: venus: vdec: get required input buffers as well
Rework and rename vdec_cap_num_buffers() to get the number of
input buffers too.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:55:28 -04:00
Stanimir Varbanov
130c0117e8 media: venus: helpers: add a helper to return opb buffer sizes
Add a helper function to return current output picture buffer size.
OPB sizes can vary depending on the selected decoder output(s).

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:55:00 -04:00
Stanimir Varbanov
1eb04b2ef4 media: venus: helpers: extend set_num_bufs helper with one more argument
Extend venus_helper_set_num_bufs() helper function with one more
argument to set number of output buffers for the secondary decoder
output.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:54:27 -04:00
Stanimir Varbanov
01165b8484 media: venus: helpers, vdec, venc: add helpers to set work mode and core usage
These are new properties applicable to Venus version 4xx. Add the
helpers and call them from decoder and encoder drivers.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:53:45 -04:00
Stanimir Varbanov
ab97a3fb90 media: venus: helpers: add a new helper to set raw format
The new helper will has one more argument for buffer type, that
way the decoder can configure the format on it's secondary
output.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:53:03 -04:00
Stanimir Varbanov
404054e177 media: venus: helpers: add buffer type argument to a helper
This adds one more function argument to pass buffer type to
set_output_resolution() helper function. That is a preparation
to support secondary decoder output.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:52:34 -04:00
Stanimir Varbanov
bf26670aea media: venus: core: delete not used buffer mode flags
Delete not used flag for capture buffer allocation mode and
no longer used cap_bufs_mode_dynamic from instance structure.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:52:04 -04:00
Stanimir Varbanov
d4a5b0a665 media: venus: helpers: add helper function to set actual buffer size
Add and use a helper function to set actual buffer size for
particular buffer type. This is also preparation to use
the second decoder output.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:51:33 -04:00
Stanimir Varbanov
2b0a8517fb media: venus: helpers: add a helper function to set dynamic buffer mode
Adds a new helper function to set dynamic buffer mode if it is
supported by current HFI version. The dynamic buffer mode is
set unconditionally for both decoder outputs.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:51:01 -04:00
Stanimir Varbanov
f03835204f media: venus: helpers: rename a helper function and use buffer mode from caps
Rename is_reg_unreg_needed() to better name is_dynamic_bufmode() and
use buffer mode from enumerated per codec capabilities.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:50:36 -04:00
Stanimir Varbanov
1a73374a04 media: venus: hfi_parser: add common capability parser
This adds common capability parser for all supported Venus
versions. Having it will help to enumerate better the supported
raw formats and codecs and also the capabilities for every
codec like max/min width/height, framerate, bitrate and so on.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:49:58 -04:00
Stanimir Varbanov
aa3a8414cc media: venus: core, helpers: add two more clocks found in Venus 4xx
Add two more clocks for Venus 4xx in core structure and create
a new power enable function to handle it for 3xx/4xx versions.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:47:01 -04:00
Stanimir Varbanov
17cd3d1d2e media: venus: hfi_venus: add suspend functionality for Venus 4xx
This adds suspend (power collapse) functionality by reusing
the suspend function for Venus 3xx and also enables idle indicator
property for Venus 4xx (where it is disabled by default).

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:46:09 -04:00
Stanimir Varbanov
4dde81d720 media: venus: hfi_venus: move set of default properties to core init
This moves setting of default properties (firmware debug, idle
indicator and low power mode) from session init to core init.
All of those properties are need to be enabled/disabled early
so that they could be used before the clients are even initialized.

The other reason is to set idle indicator property early before
we enter into venus_suspend function where we need to check for
ARM9 WFI.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:45:48 -04:00
Stanimir Varbanov
bc89772346 media: venus: hfi_venus: fix suspend function for venus 3xx versions
This fixes the suspend function for Venus 3xx versions by
add a check for WFI (wait for interrupt) bit. This bit
is on when the ARM9 is idle and entered in low power mode.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:45:27 -04:00
Stanimir Varbanov
eb72356e7d media: venus: hfi_venus: add halt AXI support for Venus 4xx
Add AXI halt support for version 4xx by using venus wrapper
registers.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:44:52 -04:00
Stanimir Varbanov
5f43f90a99 media: venus: hfi: handle buffer output2 type as well
This adds handling of buffers of type OUTPUT2 which is needed to
support Venus 4xx version.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:44:32 -04:00
Stanimir Varbanov
2074b9bed6 media: venus: hfi: support session continue for 4xx version
This makes possible to handle session_continue for 4xx as well.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:43:58 -04:00
Stanimir Varbanov
6b183680dd media: venus: hfi_cmds: add set_properties for 4xx version
Adds set_properties method to handle newer 4xx properties and
fall-back to 3xx for the rest.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:43:32 -04:00
Stanimir Varbanov
9eb2146ecb media: venus: hfi: update sequence event to handle more properties
HFI version 4xx can pass more properties in the sequence change
event, extend the event structure with them.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:43:03 -04:00
Stanimir Varbanov
f04997bdca media: venus: hfi: preparation to support venus 4xx
This covers the differences between 1xx,3xx and 4xx.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-07-25 08:40:36 -04:00