| /linux/include/drm/display/ |
| H A D | drm_dsc.h | 1 /* SPDX-License-Identifier: MIT
45 * struct drm_dsc_rc_range_parameters - DSC Rate Control range parameters
67 * struct drm_dsc_config - Parameters required to configure DSC
75 * Bits per component for previous reconstructed line buffer
79 * @bits_per_component: Bits per component to code (8/10/12)
84 * Flag to indicate if RGB - YCoCg conversion is needed
89 * @slice_count: Number fo slices per line used by the DSC encoder
93 * @slice_width: Width of each slice in pixels
97 * @slice_height: Slice height in pixels
124 * Target bits per pixel with 4 fractional bits, bits_per_pixel << 4
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| /linux/Documentation/accel/qaic/ |
| H A D | qaic.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
14 --------------------
21 non-empty and generate MSIs at a rate equivalent to the speed of the
24 MSIs per second. It has been observed that most systems cannot tolerate this
29 QAIC receives an IRQ, it disables that line. This prevents the interrupt
33 line remains disabled during this time. If no activity is detected, QAIC exits
34 polling mode and reenables the IRQ line.
37 generates 100k IRQs per second (per /proc/interrupts) is reduced to roughly 64
42 ---------------
72 QAIC handles and enforces the required little endianness and 64-bit alignment,
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| /linux/tools/perf/pmu-events/arch/powerpc/power9/ |
| H A D | other.json | 25 "BriefDescription": "Cycles in which the SRQ has at least one (out of four) empty slice"
60 …"BriefDescription": "A demand load referenced a line in an active fuzzy prefetch stream. The strea…
65 "BriefDescription": "Read-write data cache collisions"
90 "BriefDescription": "D-cache invalidates sent over the reload bus to the core"
120 …"BriefDescription": "L3 TM CAM is full when a L2 castout of TM_SC line occurs. Line is pushed to …
125 "BriefDescription": "TEND latency per thread"
175 "BriefDescription": "Ic line invalidated"
190 …"BriefDescription": "TM snoop that is a store hits line in L3 in T, Tn or Te state (shared modifie…
200 "BriefDescription": "Read-write data cache collisions"
235 … "BriefDescription": "Core TM load hits line in L3 in TM_SC state and causes it to be invalidated"
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| /linux/drivers/media/platform/samsung/s5p-mfc/ |
| H A D | regs-mfc.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
15 #define S5P_FIMV_REG_SIZE (S5P_FIMV_END_ADDR - S5P_FIMV_START_ADDR)
16 #define S5P_FIMV_REG_COUNT ((S5P_FIMV_END_ADDR - S5P_FIMV_START_ADDR) / 4)
74 /* overlap transform line */
84 /* VC-1 decoding */
189 #define S5P_FIMV_CRC_LUMA0 0x2030 /* luma crc data per frame
191 #define S5P_FIMV_CRC_CHROMA0 0x2034 /* chroma crc data per frame
193 #define S5P_FIMV_CRC_LUMA1 0x2038 /* luma crc data per bottom
195 #define S5P_FIMV_CRC_CHROMA1 0x203c /* chroma crc data per bottom
265 #define S5P_FIMV_ENC_SI_SLICE_TYPE 0x2010 /* slice type(I/P/B/IDR) */
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| /linux/block/partitions/ |
| H A D | msdos.c | 1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 1991-1998 Linus Torvalds
9 * in the early extended-partition checks and added DM partitions
16 * More flexible handling of extended partitions - aeb, 950831
20 * Re-organised Feb 1998 Russell King
43 return (sector_t)get_unaligned_le32(&p->nr_sects); in nr_sects()
48 return (sector_t)get_unaligned_le32(&p->start_sect); in start_sect()
53 return (p->sys_ind == DOS_EXTENDED_PARTITION || in is_extended_partition()
54 p->sys_ind == WIN98_EXTENDED_PARTITION || in is_extended_partition()
55 p->sys_ind == LINUX_EXTENDED_PARTITION); in is_extended_partition()
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| /linux/kernel/sched/ |
| H A D | ext.c | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * BPF extensible scheduler class: Documentation/scheduler/sched-ext.rst
76 * Non-NULL values are used for direct dispatch from enqueue path. A valid
112 char line[SCX_EXIT_MSG_LEN]; member
129 .cpu = -1,
156 #define SCX_HAS_OP(sch, op) test_bit(SCX_OP_IDX(op), (sch)->has_op)
161 return jiffies_to_msecs(at - now); in jiffies_delta_msecs()
163 return -(long)jiffies_to_msecs(now - at); in jiffies_delta_msecs()
169 return ~((1 << fls(flags)) - 1); in higher_bits()
181 return (s32)(a - b) < 0; in u32_before()
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| H A D | ext_internal.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * BPF extensible scheduler class: Documentation/scheduler/sched-ext.rst
32 SCX_EXIT_UNREG = 64, /* user-space initiated unregistration */
33 SCX_EXIT_UNREG_BPF, /* BPF-initiated unregistration */
34 SCX_EXIT_UNREG_KERN, /* kernel-initiated unregistration */
50 * SYS ACT: System-defined exit actions
51 * SYS RSN: System-defined exit reasons
52 * USR : User-defined exit codes and reasons
55 * actions and/or system reasons with a user-defined exit code.
80 /* %SCX_EXIT_* - broad category of the exit reason */
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| H A D | fair.c | 1 // SPDX-License-Identifier: GPL-2.0
44 #include <linux/memory-tiers.h>
62 * The initial- and re-scaling of tunables is configurable
66 * SCHED_TUNABLESCALING_NONE - unscaled, always *1
67 * SCHED_TUNABLESCALING_LOG - scaled logarithmically, *1+ilog(ncpus)
68 * SCHED_TUNABLESCALING_LINEAR - scaled linear, *ncpus
75 * Minimal preemption granularity for CPU-bound tasks:
96 return -cpu; in arch_asym_cpu_priority()
116 * Amount of runtime to allocate from global (tg) to local (per-cfs_rq) pool
119 * Note: in the case that the slice exceeds the runtime remaining (either due
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| /linux/Documentation/devicetree/bindings/display/mediatek/ |
| H A D | mediatek,merge.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Chun-Kuang Hu <chunkuang.hu@kernel.org>
11 - Philipp Zabel <p.zabel@pengutronix.de>
14 Mediatek display merge, namely MERGE, is used to merge two slice-per-line
15 inputs into one side-by-side output.
24 - enum:
25 - mediatek,mt8173-disp-merge
26 - mediatek,mt8195-disp-merge
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| /linux/drivers/base/ |
| H A D | cacheinfo.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * cacheinfo support - processor cache information via sysfs
24 /* pointer to per cpu cacheinfo */
27 #define cache_leaves(cpu) (ci_cacheinfo(cpu)->num_leaves)
28 #define per_cpu_cacheinfo(cpu) (ci_cacheinfo(cpu)->info_list)
45 * system-wide shared caches for all other levels. in cache_leaves_are_shared()
49 return (this_leaf->level != 1) && (sib_leaf->level != 1); in cache_leaves_are_shared()
51 if ((sib_leaf->attributes & CACHE_ID) && in cache_leaves_are_shared()
52 (this_leaf->attributes & CACHE_ID)) in cache_leaves_are_shared()
53 return sib_leaf->id == this_leaf->id; in cache_leaves_are_shared()
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| /linux/tools/perf/Documentation/ |
| H A D | perf-report.txt | 1 perf-report(1)
5 ----
6 perf-report - Read perf.data (created by perf record) and display the profile
9 --------
11 'perf report' [-i <file> | --input=file]
14 -----------
19 -------
20 -i::
21 --input=::
24 -v::
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|
| H A D | perf-script.txt | 1 perf-script(1)
5 ----
6 perf-script - Read perf.data (created by perf record) and display trace output
9 ---
[all...] |
| H A D | perf-record.txt | 1 perf-record(1)
5 ----
6 perf-record - Run a command and record its profile into perf.data
9 --------
11 'perf record' [-e <EVENT> | --event=EVENT] [-a] <command>
12 'perf record' [-e <EVENT> | --event=EVENT] [-a] \-- <command> [<options>]
15 -----------
17 from it, into perf.data - without displaying anything.
23 -------
27 -e::
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| /linux/drivers/dma/dw/ |
| H A D | idma32.c | 1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (C) 2013,2018,2020-2021 Intel Corporation
38 struct device *slave = dwc->chan.slave; in idma32_get_slave_devfn()
43 return to_pci_dev(slave)->devfn; in idma32_get_slave_devfn()
48 struct dw_dma *dw = to_dw_dma(dwc->chan.device); in idma32_initialize_chan_xbar()
58 value |= dwc->chan.chan_id; in idma32_initialize_chan_xbar()
63 value = readl(misc + DMA_CTL_CH(dwc->chan.chan_id)); in idma32_initialize_chan_xbar()
69 switch (dwc->direction) { in idma32_initialize_chan_xbar()
80 * Memory-to-Memory and Device-to-Device are ignored for now. in idma32_initialize_chan_xbar()
82 * For Memory-to-Memory transfers we would need to set mode in idma32_initialize_chan_xbar()
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| /linux/include/uapi/drm/ |
| H A D | i915_drm.h | 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
37 * subject to backwards-compatibility constraints.
43 * I915_L3_PARITY_UEVENT - Generated when the driver receives a parity mismatch
45 * BANK, SUBBANK, SLICE of the affected cacheline. Userspace should keep
46 * track of these events, and if a specific cache-line seems to have a
48 * intel-gpu-tools. The value supplied with the event is always 1.
50 * I915_ERROR_UEVENT - Generated upon error detection, currently only via
57 * I915_RESET_UEVENT - Event is generated just before an attempt to reset the
66 * struct i915_user_extension - Base class for defining a chain of extensions
82 * .. code-block:: C
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| /linux/tools/include/uapi/drm/ |
| H A D | i915_drm.h | 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
37 * subject to backwards-compatibility constraints.
43 * I915_L3_PARITY_UEVENT - Generated when the driver receives a parity mismatch
45 * BANK, SUBBANK, SLICE of the affected cacheline. Userspace should keep
46 * track of these events, and if a specific cache-line seems to have a
48 * intel-gpu-tools. The value supplied with the event is always 1.
50 * I915_ERROR_UEVENT - Generated upon error detection, currently only via
57 * I915_RESET_UEVENT - Event is generated just before an attempt to reset the
66 * struct i915_user_extension - Base class for defining a chain of extensions
82 * .. code-block:: C
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| /linux/drivers/net/ethernet/myricom/myri10ge/ |
| H A D | myri10ge.c | 2 * myri10ge.c: Myricom Myri-10G Ethernet driver.
4 * Copyright (C) 2005 - 2011 Myricom, Inc.
34 * http://www.myri.com/scs/download-Myri10GE.html
49 #include <linux/dma-mapping.h>
78 #define MYRI10GE_VERSION_STR "1.5.3-1.534"
135 int mask; /* number of rx slots -1 */
146 int mask; /* number of transmit slots -1 */
274 {[0 ... (MYRI10GE_MAX_BOARDS - 1)] = NULL };
277 MODULE_PARM_DESC(myri10ge_fw_names, "Firmware image names per board");
281 MODULE_PARM_DESC(myri10ge_ecrc_enable, "Enable Extended CRC on PCI-E");
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| /linux/block/ |
| H A D | bfq-iosched.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
12 #include "blk-cgroup-rwstat.h"
29 * Soft real-time applications are extremely more latency sensitive
30 * than interactive ones. Over-raise the weight of the former to
38 * per-actuator data. The current value is hopefully a good upper
46 * struct bfq_service_tree - per ioprio_class service tree.
48 * Each service tree represents a B-WF2Q+ scheduler on its own. Each
71 * struct bfq_sched_data - multi-class scheduler.
81 * queue requests are served according to B-WF2Q+.
86 * before the current in-service entity is expired, 2) the in-service
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| /linux/drivers/media/pci/tw5864/ |
| H A D | tw5864-reg.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * TW5864 driver - registers description
8 /* According to TW5864_datasheet_0.6d.pdf, tw5864b1-ds.pdf */
10 /* Register Description - Direct Map Space */
11 /* 0x0000 ~ 0x1ffc - H264 Register Map */
44 /* VLC Slice end flag */
46 /* Master Slice End Flag */
48 /* Host to start a new slice Address */
76 * 0->3 4 VLC data buffer in DDR (1M each)
77 * 0->7 8 VLC data buffer in DDR (512k each)
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| /linux/Documentation/dev-tools/ |
| H A D | checkpatch.rst | 1 .. SPDX-License-Identifier: GPL-2.0-only
27 - -q, --quiet
31 - -v, --verbose
35 - --no-tree
39 - --no-signoff
41 Disable the 'Signed-off-by' line check. The sign-off is a simple line at
43 or otherwise have the right to pass it on as an open-source patch.
47 Signed-off-by: Random J Developer <random@developer.example.org>
49 Setting this flag effectively stops a message for a missing signed-off-by
50 line in a patch context.
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| /linux/tools/tracing/rtla/src/ |
| H A D | utils.c | 1 // SPDX-License-Identifier: GPL-2.0
27 * err_msg - print an error message to the stderr
42 * debug_msg - print a debug message to stderr if debug is set
60 * get_llong_from_str - get a long long int from a string
70 return -1; in get_llong_from_str()
76 * get_duration - fill output with a human readable duration since start_time
88 tm_info->tm_yday, in get_duration()
89 tm_info->tm_hour, in get_duration()
90 tm_info->tm_min, in get_duration()
91 tm_info->tm_sec); in get_duration()
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| /linux/tools/power/pm-graph/ |
| H A D | sleepgraph.py | 2 # SPDX-License-Identifier: GPL-2.0-only
21 # https://www.intel.com/content/www/us/en/developer/topic-technology/open/pm-graph/overview.html
23 # git@github.com:intel/pm-graph
51 # ----------------- LIBRARIES --------------------
74 print('[%09.3f] %s' % (time.time()-mystarttime, msg))
82 # ----------------- CLASSES --------------------
86 # A global, single-instance container used to
108 cgtest = -1
183 tmstart = 'SUSPEND START %Y%m%d-%H:%M:%S.%f'
184 tmend = 'RESUME COMPLETE %Y%m%d-%H:%M:%S.%f'
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| /linux/drivers/gpu/drm/amd/display/dc/sspl/ |
| H A D | dc_spl.c | 1 // SPDX-License-Identifier: MIT
51 int r0_x_end = r0->x + r0->width; in intersect_rec()
52 int r1_x_end = r1->x + r1->width; in intersect_rec()
53 int r0_y_end = r0->y + r0->height; in intersect_rec()
54 int r1_y_end = r1->y + r1->height; in intersect_rec()
56 rec.x = r0->x > r1->x ? r0->x : r1->x; in intersect_rec()
57 rec.width = r0_x_end > r1_x_end ? r1_x_end - rec.x : r0_x_end - rec.x; in intersect_rec()
58 rec.y = r0->y > r1->y ? r0->y : r1->y; in intersect_rec()
59 rec.height = r0_y_end > r1_y_end ? r1_y_end - rec.y : r0_y_end - rec.y; in intersect_rec()
80 if ((rec->x + adjust->x) >= 0) in spl_opp_adjust_rect()
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| /linux/init/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
8 - Re-run Kconfig when the compiler is updated
13 - Ensure full rebuild when the compiler is updated
14 include/linux/compiler-version.h contains this option in the comment
15 line so fixdep adds include/config/CC_VERSION_TEXT into the
16 auto-generated dependency. When the compiler is updated, syncconfig
20 def_bool $(success,test "$(cc-name)" = GCC)
24 default $(cc-version) if CC_IS_GCC
28 def_bool $(success,test "$(cc-name)" = Clang)
32 default $(cc-version) if CC_IS_CLANG
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| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | buffer.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
11 the Streaming I/O methods. In the multi-planar API, the data is held in
14 copied. These pointers, together with meta-information like timestamps
18 :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. In the multi-planar API,
19 some plane-specific members of struct :c:type:`v4l2_buffer`,
27 ``V4L2_BUF_FLAG_TSTAMP_SRC_MASK`` in :ref:`buffer-flags`. These flags
33 mem-to-mem devices is an exception to the rule: the timestamp source
48 pixel format, the line stride, the tiling orientation or the rotation) is
164 .. flat-table:: struct v4l2_buffer
165 :header-rows: 0
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|