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/Linux-v6.1/Documentation/gpu/
Dmeson.rst2 drm/meson AmLogic Meson Video Processing Unit
5 .. kernel-doc:: drivers/gpu/drm/meson/meson_drv.c
6 :doc: Video Processing Unit
8 Video Processing Unit
16 DMC|---------------VPU (Video Processing Unit)----------------|------HHI------|
18 D |-------| |----| | | | | HDMI PLL |
19 D | vd2 | VIU | | Video Post | | Video Encoders |<---|-----VCLK |
20 R |-------| |----| Processing | | | | |
21 | osd2 | | | |---| Enci ----------|----|-----VDAC------|
22 R |-------| CSC |----| Scalers | | Encp ----------|----|----HDMI-TX----|
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/Linux-v6.1/Documentation/devicetree/bindings/display/
Damlogic,meson-vpu.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: "http://devicetree.org/schemas/display/amlogic,meson-vpu.yaml#"
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
11 - Neil Armstrong <neil.armstrong@linaro.org>
17 DMC|---------------VPU (Video Processing Unit)----------------|------HHI------|
19 D |-------| |----| | | | | HDMI PLL |
20 D | vd2 | VIU | | Video Post | | Video Encoders |<---|-----VCLK |
21 R |-------| |----| Processing | | | | |
22 | osd2 | | | |---| Enci ----------|----|-----VDAC------|
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/Linux-v6.1/drivers/gpu/drm/meson/
Dmeson_vpp.c1 // SPDX-License-Identifier: GPL-2.0-or-later
16 * DOC: Video Post Processing
18 * VPP Handles all the Post Processing after the Scanout from the VIU
19 * We handle the following post processings :
21 * - Postblend, Blends the OSD1 only
23 * - Vertical OSD Scaler for OSD1 only, we disable vertical scaler and
25 * - Intermediate FIFO with default Amlogic values
29 * - Preblend for video overlay pre-scaling
30 * - OSD2 support for cursor framebuffer
31 * - Video pre-scaling before postblend
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/Linux-v6.1/Documentation/devicetree/bindings/media/
Dti,vpe.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments DRA7x Video Processing Engine (VPE)
10 - Benoit Parrot <bparrot@ti.com>
12 description: |-
13 The Video Processing Engine (VPE) is a key component for image post
14 processing applications. VPE consist of a single memory to memory
20 const: ti,dra7-vpe
24 - description: The VPE main register region
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Dnvidia,tegra-vde.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/media/nvidia,tegra-vde.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dmitry Osipenko <digetx@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
12 - Thierry Reding <thierry.reding@gmail.com>
17 - items:
18 - enum:
19 - nvidia,tegra132-vde
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/Linux-v6.1/block/
Dblk-pm.c1 // SPDX-License-Identifier: GPL-2.0
3 #include <linux/blk-mq.h>
4 #include <linux/blk-pm.h>
7 #include "blk-mq.h"
8 #include "blk-mq-tag.h"
11 * blk_pm_runtime_init - Block layer runtime PM initialization routine
16 * Initialize runtime-PM-related fields for @q and start auto suspend for
17 * @dev. Drivers that want to take advantage of request-based runtime PM
24 * the autosuspend delay is set to -1 to make runtime suspend impossible
33 q->dev = dev; in blk_pm_runtime_init()
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/Linux-v6.1/kernel/bpf/
Dcgroup_iter.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include "../cgroup/cgroup-internal.h" /* cgroup_mutex and cgroup_is_dead */
13 * 1. Walk the descendants of a cgroup in pre-order.
14 * 2. Walk the descendants of a cgroup in post-order.
18 * For walking descendants, cgroup_iter can walk in either pre-order or
19 * post-order. For walking ancestors, the iter walks up from a cgroup to
25 * The prog can check (seq->num == 0) to determine whether this is
28 * do post-processing, such as outputting an epilogue.
59 struct cgroup_iter_priv *p = seq->private; in cgroup_iter_seq_start()
65 if (p->visited_all) in cgroup_iter_seq_start()
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/Linux-v6.1/include/linux/
Dnvmem-provider.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * Copyright (C) 2013 Maxime Ripard <maxime.ripard@free-electrons.com>
22 /* used for vendor specific post processing of cell data */
34 #define NVMEM_DEVID_NONE (-1)
35 #define NVMEM_DEVID_AUTO (-2)
38 * struct nvmem_keepout - NVMEM register keepout range.
51 * struct nvmem_config - NVMEM device configuration
57 * @cells: Optional array of pre-defined NVMEM cells.
62 * @read_only: Device is read-only.
68 * @cell_post_process: Callback for vendor specific post processing of cell data
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/Linux-v6.1/drivers/scsi/bnx2i/
Dbnx2i_hwi.c3 * Copyright (c) 2006 - 2013 Broadcom Corporation
14 * Maintained by: QLogic-Storage-Upstream@qlogic.com
25 * bnx2i_get_cid_num - get cid from ep
34 if (test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type)) in bnx2i_get_cid_num()
35 cid = ep->ep_cid; in bnx2i_get_cid_num()
37 cid = GET_CID_NUM(ep->ep_cid); in bnx2i_get_cid_num()
43 * bnx2i_adjust_qp_size - Adjust SQ/RQ/CQ size for 57710 device type
52 if (test_bit(BNX2I_NX2_DEV_5706, &hba->cnic_dev_type) || in bnx2i_adjust_qp_size()
53 test_bit(BNX2I_NX2_DEV_5708, &hba->cnic_dev_type) || in bnx2i_adjust_qp_size()
54 test_bit(BNX2I_NX2_DEV_5709, &hba->cnic_dev_type)) { in bnx2i_adjust_qp_size()
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/Linux-v6.1/drivers/mmc/core/
Dcore.h1 /* SPDX-License-Identifier: GPL-2.0-only */
126 * mmc_claim_host - exclusively claim a host
141 * mmc_pre_req - Prepare for a new request
151 if (host->ops->pre_req) in mmc_pre_req()
152 host->ops->pre_req(host, mrq); in mmc_pre_req()
156 * mmc_post_req - Post process a completed request
157 * @host: MMC host to post process command
158 * @mrq: MMC request to post process for
161 * Let the host post process a completed request. Post processing of
167 if (host->ops->post_req) in mmc_post_req()
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/Linux-v6.1/drivers/infiniband/ulp/rtrs/
DREADME15 RTRS provides I/O fail-over and load-balancing capabilities by using
17 Documentation/ABI/testing/sysfs-class-rtrs-client).
26 --------
35 When processing an incoming write or read request, rtrs client uses memory
64 ------------------------
93 (i.e. steps 1-4 finished for all paths requested for a session)
105 RTRS_MSG_CON_REQ ------------------->
106 <------------------- RTRS_MSG_CON_RSP
109 RTRS_MSG_INFO_REQ ------------------->
110 <------------------- RTRS_MSG_INFO_RSP
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/Linux-v6.1/drivers/media/platform/verisilicon/
Dhantro.h1 /* SPDX-License-Identifier: GPL-2.0 */
8 * Based on s5p-mfc driver by Samsung Electronics Co., Ltd.
21 #include <media/v4l2-ctrls.h>
22 #include <media/v4l2-device.h>
23 #include <media/v4l2-ioctl.h>
24 #include <media/v4l2-mem2mem.h>
25 #include <media/videobuf2-core.h>
26 #include <media/videobuf2-dma-contig.h>
44 * struct hantro_irq - irq handler and name
55 * struct hantro_variant - information about VPU hardware variant
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Dhantro_hw.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 #include <linux/v4l2-controls.h>
14 #include <media/v4l2-ctrls.h>
15 #include <media/v4l2-vp9.h>
16 #include <media/videobuf2-core.h>
44 * struct hantro_aux_buf - auxiliary DMA buffer for hardware data
96 * @dpb_longterm: DPB long-term
201 * @tile_edge: auxiliary DMA buffer for tile edge processing
213 * @tile_r_info: per-tile information array
214 * @tile_c_info: per-tile information array
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/Linux-v6.1/drivers/staging/media/atomisp/pci/
Dia_css_pipe_public.h1 /* SPDX-License-Identifier: GPL-2.0 */
50 IA_CSS_PIPE_MODE_YUVPP, /** YUV post processing pipe, used for all use cases with YUV input,
83 /** capture post processing input resolution */
86 /** ISP2401: view finder post processing input resolution */
111 should be run. Setting this to -1 means it will run until
122 instead of vf_pp. This only applies to viewfinder post
123 processing stages. */
128 pipes. Non video-pipes should always set this parameter to false. */
135 …/** GDC in buffer offset - indicates the pixel coordinates of the first valid pixel inside the buf…
156 .acc_num_execs = -1, \
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/Linux-v6.1/drivers/net/ethernet/aquantia/atlantic/macsec/
Dmacsec_struct.h1 /* SPDX-License-Identifier: GPL-2.0-only */
21 /*! The match mask is per-nibble. 0 means don't care, i.e. every value
122 /*! Mask is per-byte.
142 /*! Mask is per-byte.
151 /*! Mask is per-byte.
156 /*! Mask is per-byte.
171 /*! Mask is per-byte.
176 /*! Mask is per-byte.
181 /*! Mask is per-byte. */
195 /*! If packet matches and tagged as controlled-packet, this SC/SA
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/Linux-v6.1/Documentation/devicetree/bindings/sound/
Dnvidia,tegra210-ahub.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidia,tegra210-ahub.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 for audio pre-processing, post-processing and a programmable full
17 - Jon Hunter <jonathanh@nvidia.com>
18 - Sameer Pujar <spujar@nvidia.com>
22 pattern: "^ahub@[0-9a-f]*$"
26 - enum:
27 - nvidia,tegra210-ahub
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/Linux-v6.1/Documentation/devicetree/bindings/dsp/
Dmediatek,mt8186-dsp.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dsp/mediatek,mt8186-dsp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tinghan Shen <tinghan.shen@mediatek.com>
14 advanced pre- and post- audio processing.
18 const: mediatek,mt8186-dsp
22 - description: Address and size of the DSP config registers
23 - description: Address and size of the DSP SRAM
24 - description: Address and size of the DSP secure registers
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Dmediatek,mt8195-dsp.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dsp/mediatek,mt8195-dsp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - YC Hung <yc.hung@mediatek.com>
14 advanced pre- and post- audio processing.
18 const: mediatek,mt8195-dsp
22 - description: Address and size of the DSP Cfg registers
23 - description: Address and size of the DSP SRAM
25 reg-names:
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/Linux-v6.1/Documentation/devicetree/bindings/display/hisilicon/
Dhisi-ade.txt1 Device-Tree bindings for hisilicon ADE display controller driver
4 data from memory, do composition, do post image processing, generate RGB
8 - compatible: value should be "hisilicon,hi6220-ade".
9 - reg: physical base address and length of the ADE controller's registers.
10 - hisilicon,noc-syscon: ADE NOC QoS syscon.
11 - resets: The ADE reset controller node.
12 - interrupt: the ldi vblank interrupt number used.
13 - clocks: a list of phandle + clock-specifier pairs, one for each entry
14 in clock-names.
15 - clock-names: should contain:
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/Linux-v6.1/drivers/media/platform/renesas/vsp1/
Dvsp1_dl.c1 // SPDX-License-Identifier: GPL-2.0+
3 * vsp1_dl.c -- R-Car VSP1 Display List
11 #include <linux/dma-mapping.h>
41 * struct vsp1_dl_ext_header - Extended display list header
43 * @pre_ext_dl_num_cmd: number of pre-extended command bodies to parse
44 * @flags: enables or disables execution of the pre and post command
45 * @pre_ext_dl_plist: start address of pre-extended display list bodies
46 * @post_ext_dl_num_cmd: number of post-extended command bodies to parse
47 * @post_ext_dl_plist: start address of post-extended display list bodies
54 * expecting 32-bit accesses. The flags are appropriate to the whole
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/Linux-v6.1/arch/x86/kernel/
Dsev-shared.c1 // SPDX-License-Identifier: GPL-2.0
7 * This file is not compiled stand-alone. It contains code shared
8 * between the pre-decompression boot code and the running Linux kernel
9 * and is included directly into both code-bases.
17 /* I/O parameters for CPUID-related helpers */
45 * Section 8.14.2.6. Also noted there is the SNP firmware-enforced limit
70 * These will be initialized based on CPUID table so that non-present
71 * all-zero leaves (for sparse tables) can be differentiated from
72 * invalid/out-of-range leaves. This is needed since all-zero leaves
73 * still need to be post-processed.
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/Linux-v6.1/include/uapi/drm/
Dexynos_drm.h1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
8 * Seung-Woo Kim <sw0312.kim@samsung.com>
26 * User-desired buffer creation information structure.
28 * @size: user-desired memory allocation size.
29 * - this size value would be page-aligned internally.
32 * - this handle will be set by gem module of kernel side.
41 * A structure for getting a fake-offset that can be used with mmap.
44 * @reserved: just padding to be 64-bit aligned.
45 * @offset: a fake-offset of gem object.
86 /* Physically Non-Continuous memory. */
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/Linux-v6.1/Documentation/sound/soc/
Ddapm.rst11 such, can easily co-exist with the other PM systems.
60 Audio DAPM widgets fall into a number of types:-
106 Post
107 Special POST widget (exec after all others)
111 DSP internal scheduler that schedules component/pipeline processing
114 Widget that performs an audio processing effect.
127 (Widgets are defined in include/sound/soc-dapm.h)
130 There are convenience macros defined in soc-dapm.h that can be used to quickly
138 ---------------------
144 Stream widgets have the following format:-
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/Linux-v6.1/arch/arm64/kernel/probes/
Dkprobes.c1 // SPDX-License-Identifier: GPL-2.0-only
27 #include <asm/debug-monitors.h>
36 #include "decode-insn.h"
46 kprobe_opcode_t *addr = p->ainsn.api.insn; in arch_prepare_ss_slot()
52 * - That the I-cache maintenance for these instructions is complete in arch_prepare_ss_slot()
54 * ensures this, but just omits causing a Context-Synchronization-Event in arch_prepare_ss_slot()
57 * - That the kprobe BRK results in an exception (and consequently a in arch_prepare_ss_slot()
58 * Context-Synchronoization-Event), which ensures that the CPU will in arch_prepare_ss_slot()
59 * fetch thesingle-step slot instructions *after* this, ensuring that in arch_prepare_ss_slot()
62 * It supposes to place ISB after patching to guarantee I-cache maintenance in arch_prepare_ss_slot()
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/Linux-v6.1/fs/ntfs/
Dmst.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * mst.c - NTFS multi sector transfer protection handling code. Part of the
4 * Linux-NTFS project.
6 * Copyright (c) 2001-2004 Anton Altaparmakov
12 * post_read_mst_fixup - deprotect multi sector transfer protected data
16 * Perform the necessary post read multi sector transfer fixup and detect the
17 * presence of incomplete multi sector transfers. - In that case, overwrite the
19 * and abort processing.
21 * Return 0 on success and -EINVAL on error ("BAAD" magic will be present).
34 usa_ofs = le16_to_cpu(b->usa_ofs); in post_read_mst_fixup()
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