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/kernel/linux/linux-6.6/Documentation/devicetree/bindings/remoteproc/
Dqcom,glink-rpm-edge.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/qcom,glink-rpm-edge.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm G-Link RPM edge
10 Qualcomm G-Link edge, a FIFO based mechanism for communication with Resource
11 Power Manager (RPM) on various Qualcomm platforms.
14 - Bjorn Andersson <andersson@kernel.org>
18 const: qcom,glink-rpm
31 - description: rpm_hlos mailbox in APCS
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Dqcom,rpm-proc.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/qcom,rpm-proc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Resource Power Manager (RPM) Processor/Subsystem
10 - Bjorn Andersson <andersson@kernel.org>
11 - Konrad Dybcio <konrad.dybcio@linaro.org>
12 - Stephan Gerhold <stephan@gerhold.net>
15 Resource Power Manager (RPM) subsystem found in various Qualcomm platforms:
17 +--------------------------------------------+
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Dqcom,smd-edge.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/qcom,smd-edge.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
14 some sort - or in SMD language an "edge". The name of the edges are not
24 const: smd-edge
29 - qcom,smd-channels
36 - qcom,smd-channels
55 $ref: /schemas/types.yaml#/definitions/phandle-array
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/kernel/linux/linux-6.6/drivers/interconnect/qcom/
Dicc-rpm.h1 /* SPDX-License-Identifier: GPL-2.0 */
9 #include <linux/soc/qcom/smd-rpm.h>
11 #include <dt-bindings/interconnect/qcom,rpm-icc.h>
13 #include <linux/interconnect-provider.h>
29 * struct rpm_clk_resource - RPM bus clock resource
30 * @resource_type: RPM resource type of the clock resource
41 * struct qcom_icc_provider - Qualcomm specific interconnect provider
49 * @bus_clk: a pointer to a HLOS-owned bus clock
69 * struct qcom_icc_qos - Qualcomm specific interconnect QoS parameters
70 * @areq_prio: node requests priority
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Dicc-rpm.c1 // SPDX-License-Identifier: GPL-2.0
7 #include <linux/interconnect-provider.h>
16 #include "icc-common.h"
17 #include "icc-rpm.h"
55 struct icc_provider *provider = src->provider; in qcom_icc_set_qnoc_qos()
57 struct qcom_icc_node *qn = src->data; in qcom_icc_set_qnoc_qos()
58 struct qcom_icc_qos *qos = &qn->qos; in qcom_icc_set_qnoc_qos()
61 rc = regmap_update_bits(qp->regmap, in qcom_icc_set_qnoc_qos()
62 qp->qos_offset + QNOC_QOS_MCTL_LOWn_ADDR(qos->qos_port), in qcom_icc_set_qnoc_qos()
64 qos->areq_prio << QNOC_QOS_MCTL_DFLT_PRIO_SHIFT); in qcom_icc_set_qnoc_qos()
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/clock/
Dqcom,rpmcc.txt1 Qualcomm RPM Clock Controller Binding
2 ------------------------------------------------
3 The RPM is a dedicated hardware engine for managing the shared
6 and accepts clock requests, aggregates the requests and turns
10 - compatible : shall contain only one of the following. The generic
13 "qcom,rpmcc-msm8660", "qcom,rpmcc"
14 "qcom,rpmcc-apq8060", "qcom,rpmcc"
15 "qcom,rpmcc-msm8916", "qcom,rpmcc"
16 "qcom,rpmcc-msm8936", "qcom,rpmcc"
17 "qcom,rpmcc-msm8974", "qcom,rpmcc"
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/kernel/linux/linux-5.10/drivers/soc/qcom/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
15 the low-power state for resources related to the remoteproc
26 resource on a RPM-hardened platform must use this database to get
43 be called qcom-cpr
106 purpose of exchanging sector-data between the remote filesystem
112 bool "Qualcomm RPM-Hardened (RPMH) Communication"
115 Support for communication with the hardened-RPM blocks in
117 internal bus to transmit state requests for shared resources. A set
118 of hardware components aggregate requests for these resources and
125 QCOM RPMh Power domain driver to support power-domains with
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Dsmd-rpm.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
15 #include <linux/soc/qcom/smd-rpm.h>
20 * struct qcom_smd_rpm - state of the rpm device driver
23 * @dev: rpm device
26 * @ack_status: result of the rpm request
39 * struct qcom_rpm_header - header for all rpm requests and responses
49 * struct qcom_rpm_request - request message to the rpm
65 * struct qcom_rpm_message - response message from the rpm
69 * @message: textual message from the rpm
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/kernel/linux/linux-6.6/drivers/soc/qcom/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
15 the low-power state for resources related to the remoteproc
26 resource on a RPM-hardened platform must use this database to get
43 be called qcom-cpr
110 Say yes here to support USB-C and battery status on modern Qualcomm
133 purpose of exchanging sector-data between the remote filesystem
139 tristate "Qualcomm RPM Master stats"
142 The RPM Master sleep stats driver provides detailed per-subsystem
143 sleep/wake data, read from the RPM message RAM. It can be used to
144 assess whether all the low-power modes available are entered as
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Dsmd-rpm.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
15 #include <linux/soc/qcom/smd-rpm.h>
20 * struct qcom_smd_rpm - state of the rpm device driver
22 * @dev: rpm device
25 * @ack_status: result of the rpm request
37 * struct qcom_rpm_header - header for all rpm requests and responses
47 * struct qcom_rpm_request - request message to the rpm
63 * struct qcom_rpm_message - response message from the rpm
67 * @message: textual message from the rpm
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/soc/qcom/
Dqcom,glink.txt4 communication between subsystem-pairs on various Qualcomm platforms. Two types
5 of edges can be described by the binding; the GLINK RPM edge and a SMEM based
8 - compatible:
9 Usage: required for glink-rpm
11 Definition: must be "qcom,glink-rpm"
13 - label:
18 - interrupts:
20 Value type: <prop-encoded-array>
24 - qcom,remote-pid:
25 Usage: required for glink-smem
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/kernel/linux/linux-6.6/Documentation/devicetree/bindings/soc/qcom/
Dqcom,smd.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andy Gross <agross@kernel.org>
11 - Bjorn Andersson <bjorn.andersson@linaro.org>
12 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
18 Using the top-level SMD node is deprecated. Instead, the SMD edges are defined
29 "^smd-edge|rpm$":
30 $ref: /schemas/remoteproc/qcom,smd-edge.yaml#
34 processor of some sort - or in SMD language an "edge". The name of the
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Dqcom,smd-rpm.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/qcom/qcom,smd-rpm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Resource Power Manager (RPM) over SMD/GLINK
10 This driver is used to interface with the Resource Power Manager (RPM) found
11 in various Qualcomm platforms. The RPM allows each component in the system
15 The SMD or GLINK information for the RPM edge should be filled out. See
17 properties will reside within the RPM node itself.
19 The RPM exposes resources to its subnodes. The rpm_requests node must be
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/kernel/linux/linux-5.10/drivers/clk/qcom/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
50 tristate "RPM based Clock Controller"
54 The RPM (Resource Power Manager) is a dedicated hardware engine for
57 memory and accepts clock requests, aggregates the requests and turns
59 Say Y if you want to support the clocks exposed by the RPM on
63 tristate "RPM over SMD based Clock Controller"
67 The RPM (Resource Power Manager) is a dedicated hardware engine for
70 memory and accepts clock requests, aggregates the requests and turns
72 Say Y if you want to support the clocks exposed by the RPM on
80 SoCs. It accepts requests from other hardware subsystems via RSC.
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Dclk-rpm.c1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <linux/clk-provider.h>
19 #include <dt-bindings/mfd/qcom-rpm.h>
20 #include <dt-bindings/clock/qcom,rpmcc.h>
145 struct qcom_rpm *rpm; member
150 struct qcom_rpm *rpm; member
171 * RPM clock. in clk_rpm_handoff()
173 if (r->rpm_clk_id == QCOM_RPM_PLL_4 || in clk_rpm_handoff()
174 r->rpm_clk_id == QCOM_RPM_CXO_BUFFERS) in clk_rpm_handoff()
177 ret = qcom_rpm_write(r->rpm, QCOM_RPM_ACTIVE_STATE, in clk_rpm_handoff()
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/kernel/linux/linux-6.6/drivers/gpu/drm/i915/gt/uc/
Dselftest_guc.c1 // SPDX-License-Identifier: MIT
18 err = -ETIMEDOUT; in request_add_spin()
34 ret = i915_sw_fence_await_dma_fence(&rq->submit, in nop_user_request()
35 &from->fence, 0, in nop_user_request()
62 wakeref = intel_runtime_pm_get(gt->uncore->rpm); in intel_guc_scrub_ctbs()
65 /* Submit requests and inject errors forcing G2H to be dropped */ in intel_guc_scrub_ctbs()
76 ce->drop_schedule_enable = true; in intel_guc_scrub_ctbs()
79 ce->drop_schedule_disable = true; in intel_guc_scrub_ctbs()
82 ce->drop_deregister = true; in intel_guc_scrub_ctbs()
113 intel_gt_handle_error(engine->gt, -1, 0, "selftest reset"); in intel_guc_scrub_ctbs()
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/kernel/linux/linux-6.6/Documentation/devicetree/bindings/clock/
Dqcom,rpmcc.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm RPM Clock Controller
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
11 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
14 The clock enumerators are defined in <dt-bindings/clock/qcom,rpmcc.h> and
19 suspend, you need to specify the non-active clock, the one not containing
25 - enum:
26 - qcom,rpmcc-apq8060
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/kernel/linux/linux-6.6/drivers/gpu/drm/i915/gt/
Dselftest_reset.c1 // SPDX-License-Identifier: MIT
22 struct i915_ggtt *ggtt = gt->ggtt; in __igt_reset_stolen()
23 const struct resource *dsm = &gt->i915->dsm.stolen; in __igt_reset_stolen()
34 if (!drm_mm_node_allocated(&ggtt->error_capture)) in __igt_reset_stolen()
43 return -ENOMEM; in __igt_reset_stolen()
47 err = -ENOMEM; in __igt_reset_stolen()
52 wakeref = intel_runtime_pm_get(gt->uncore->rpm); in __igt_reset_stolen()
62 if (!(mask & engine->mask)) in __igt_reset_stolen()
83 dma_addr_t dma = (dma_addr_t)dsm->start + (page << PAGE_SHIFT); in __igt_reset_stolen()
87 ggtt->vm.insert_page(&ggtt->vm, dma, in __igt_reset_stolen()
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Dintel_reset.c1 // SPDX-License-Identifier: MIT
3 * Copyright © 2008-2018 Intel Corporation
40 struct drm_i915_file_private *file_priv = ctx->file_priv; in client_mark_guilty()
51 prev_hang = xchg(&file_priv->hang_timestamp, jiffies); in client_mark_guilty()
56 atomic_add(score, &file_priv->ban_score); in client_mark_guilty()
58 drm_dbg(&ctx->i915->drm, in client_mark_guilty()
60 ctx->name, score, in client_mark_guilty()
61 atomic_read(&file_priv->ban_score)); in client_mark_guilty()
72 if (intel_context_is_closed(rq->context)) in mark_guilty()
76 ctx = rcu_dereference(rq->context->gem_context); in mark_guilty()
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/kernel/linux/linux-5.10/drivers/gpu/drm/i915/gt/
Dselftest_reset.c1 // SPDX-License-Identifier: MIT
21 struct i915_ggtt *ggtt = &gt->i915->ggtt; in __igt_reset_stolen()
22 const struct resource *dsm = &gt->i915->dsm; in __igt_reset_stolen()
33 if (!drm_mm_node_allocated(&ggtt->error_capture)) in __igt_reset_stolen()
42 return -ENOMEM; in __igt_reset_stolen()
46 err = -ENOMEM; in __igt_reset_stolen()
51 wakeref = intel_runtime_pm_get(gt->uncore->rpm); in __igt_reset_stolen()
61 if (!(mask & engine->mask)) in __igt_reset_stolen()
82 dma_addr_t dma = (dma_addr_t)dsm->start + (page << PAGE_SHIFT); in __igt_reset_stolen()
86 ggtt->vm.insert_page(&ggtt->vm, dma, in __igt_reset_stolen()
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Dintel_reset.c2 * SPDX-License-Identifier: MIT
4 * Copyright © 2008-2018 Intel Corporation
44 struct intel_engine_cs *engine = rq->engine; in engine_skip_context()
45 struct intel_context *hung_ctx = rq->context; in engine_skip_context()
50 lockdep_assert_held(&engine->active.lock); in engine_skip_context()
51 list_for_each_entry_continue(rq, &engine->active.requests, sched.link) in engine_skip_context()
52 if (rq->context == hung_ctx) { in engine_skip_context()
53 i915_request_set_error_once(rq, -EIO); in engine_skip_context()
60 struct drm_i915_file_private *file_priv = ctx->file_priv; in client_mark_guilty()
71 prev_hang = xchg(&file_priv->hang_timestamp, jiffies); in client_mark_guilty()
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Dintel_gt_pm.c2 * SPDX-License-Identifier: MIT
26 int count = atomic_read(&gt->user_wakeref); in user_forcewake()
34 GEM_BUG_ON(count > atomic_read(&gt->wakeref.count)); in user_forcewake()
35 atomic_sub(count, &gt->wakeref.count); in user_forcewake()
37 atomic_add(count, &gt->wakeref.count); in user_forcewake()
45 struct drm_i915_private *i915 = gt->i915; in __gt_unpark()
62 gt->awake = intel_display_power_get(i915, POWER_DOMAIN_GT_IRQ); in __gt_unpark()
63 GEM_BUG_ON(!gt->awake); in __gt_unpark()
65 intel_rc6_unpark(&gt->rc6); in __gt_unpark()
66 intel_rps_unpark(&gt->rps); in __gt_unpark()
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/kernel/linux/linux-6.6/drivers/gpu/drm/i915/
Dintel_pcode.c1 // SPDX-License-Identifier: MIT
3 * Copyright © 2013-2021 Intel Corporation
16 return -ENODEV; in gen6_check_mailbox_status()
18 return -ENXIO; in gen6_check_mailbox_status()
21 return -EOVERFLOW; in gen6_check_mailbox_status()
23 return -ETIMEDOUT; in gen6_check_mailbox_status()
36 return -ENXIO; in gen7_check_mailbox_status()
38 return -ETIMEDOUT; in gen7_check_mailbox_status()
40 return -EINVAL; in gen7_check_mailbox_status()
42 return -ENXIO; in gen7_check_mailbox_status()
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/kernel/linux/linux-6.6/drivers/clk/qcom/
Dclk-rpm.c1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <linux/clk-provider.h>
18 #include <dt-bindings/mfd/qcom-rpm.h>
19 #include <dt-bindings/clock/qcom,rpmcc.h>
96 struct qcom_rpm *rpm; member
101 struct qcom_rpm *rpm; member
122 * RPM clock. in clk_rpm_handoff()
124 if (r->rpm_clk_id == QCOM_RPM_PLL_4 || in clk_rpm_handoff()
125 r->rpm_clk_id == QCOM_RPM_CXO_BUFFERS) in clk_rpm_handoff()
128 ret = qcom_rpm_write(r->rpm, QCOM_RPM_ACTIVE_STATE, in clk_rpm_handoff()
[all …]
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
69 tristate "RPM based Clock Controller"
73 The RPM (Resource Power Manager) is a dedicated hardware engine for
76 memory and accepts clock requests, aggregates the requests and turns
78 Say Y if you want to support the clocks exposed by the RPM on
82 tristate "RPM over SMD based Clock Controller"
86 The RPM (Resource Power Manager) is a dedicated hardware engine for
89 memory and accepts clock requests, aggregates the requests and turns
91 Say Y if you want to support the clocks exposed by the RPM on
99 SoCs. It accepts requests from other hardware subsystems via RSC.
[all …]

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