| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/display/bridge/ |
| D | analogix,dp.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
21 clock-names: true
25 phy-names:
28 force-hpd:
31 Indicate driver need force hpd when hpd detect failed, this
32 is used for some eDP screen which don not have a hpd signal.
34 hpd-gpios:
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/display/bridge/ |
| D | analogix_dp.txt | 3 Required properties for dp-controller:
4 -compatible:
6 * "samsung,exynos5-dp"
7 * "rockchip,rk3288-dp"
8 * "rockchip,rk3399-edp"
9 -reg:
12 -interrupts:
14 -clocks:
16 -clock-names:
18 -phys:
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| /kernel/linux/linux-6.6/drivers/gpu/drm/radeon/ |
| D | radeon_connectors.c | 2 * Copyright 2007-8 Advanced Micro Devices, Inc.
42 struct drm_device *dev = connector->dev; in radeon_connector_hotplug()
43 struct radeon_device *rdev = dev->dev_private; in radeon_connector_hotplug()
46 /* bail if the connector does not have hpd pin, e.g., in radeon_connector_hotplug()
49 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) in radeon_connector_hotplug()
52 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); in radeon_connector_hotplug()
56 if (connector->dpms != DRM_MODE_DPMS_ON) in radeon_connector_hotplug()
60 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { in radeon_connector_hotplug()
62 radeon_connector->con_priv; in radeon_connector_hotplug()
65 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) in radeon_connector_hotplug()
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| /kernel/linux/linux-6.6/drivers/gpu/drm/amd/amdgpu/ |
| D | amdgpu_connectors.c | 2 * Copyright 2007-8 Advanced Micro Devices, Inc.
45 struct drm_device *dev = connector->dev; in amdgpu_connector_hotplug()
49 /* bail if the connector does not have hpd pin, e.g., in amdgpu_connector_hotplug()
52 if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE) in amdgpu_connector_hotplug()
55 amdgpu_display_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); in amdgpu_connector_hotplug()
58 if (connector->dpms != DRM_MODE_DPMS_ON) in amdgpu_connector_hotplug()
62 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { in amdgpu_connector_hotplug()
64 amdgpu_connector->con_priv; in amdgpu_connector_hotplug()
67 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) in amdgpu_connector_hotplug()
71 dig_connector->dp_sink_type = amdgpu_atombios_dp_get_sinktype(amdgpu_connector); in amdgpu_connector_hotplug()
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| D | dce_v8_0.c | 81 (0x13830 - 0x7030) >> 2,
88 uint32_t hpd; member
94 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
99 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
104 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
109 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
114 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
119 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
128 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); in dce_v8_0_audio_endpt_rreg()
131 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); in dce_v8_0_audio_endpt_rreg()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/radeon/ |
| D | radeon_connectors.c | 2 * Copyright 2007-8 Advanced Micro Devices, Inc.
46 if (ret == -EINVAL) in radeon_dp_handle_hpd()
52 struct drm_device *dev = connector->dev; in radeon_connector_hotplug()
53 struct radeon_device *rdev = dev->dev_private; in radeon_connector_hotplug()
56 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { in radeon_connector_hotplug()
58 radeon_connector->con_priv; in radeon_connector_hotplug()
60 if (radeon_connector->is_mst_connector) in radeon_connector_hotplug()
62 if (dig_connector->is_mst) { in radeon_connector_hotplug()
67 /* bail if the connector does not have hpd pin, e.g., in radeon_connector_hotplug()
70 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) in radeon_connector_hotplug()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/msm/dp/ |
| D | dp_drm.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
21 * dp_connector_detect - callback to determine if connector is connected
23 * @force: Force detect setting from drm framework
27 bool force) in dp_connector_detect() argument
31 dp = to_dp_connector(conn)->dp_display; in dp_connector_detect()
34 (dp->is_connected) ? "true" : "false"); in dp_connector_detect()
36 return (dp->is_connected) ? connector_status_connected : in dp_connector_detect()
41 * dp_connector_get_modes - callback to add drm modes via drm_mode_probed_add()
55 dp = to_dp_connector(connector)->dp_display; in dp_connector_get_modes()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/amd/amdgpu/ |
| D | amdgpu_connectors.c | 2 * Copyright 2007-8 Advanced Micro Devices, Inc.
44 struct drm_device *dev = connector->dev; in amdgpu_connector_hotplug()
48 /* bail if the connector does not have hpd pin, e.g., in amdgpu_connector_hotplug()
51 if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE) in amdgpu_connector_hotplug()
54 amdgpu_display_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); in amdgpu_connector_hotplug()
57 if (connector->dpms != DRM_MODE_DPMS_ON) in amdgpu_connector_hotplug()
61 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { in amdgpu_connector_hotplug()
63 amdgpu_connector->con_priv; in amdgpu_connector_hotplug()
66 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) in amdgpu_connector_hotplug()
70 dig_connector->dp_sink_type = amdgpu_atombios_dp_get_sinktype(amdgpu_connector); in amdgpu_connector_hotplug()
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| D | dce_v8_0.c | 81 (0x13830 - 0x7030) >> 2,
88 uint32_t hpd; member
94 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
99 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
104 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
109 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
114 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
119 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
128 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); in dce_v8_0_audio_endpt_rreg()
131 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); in dce_v8_0_audio_endpt_rreg()
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/display/exynos/ |
| D | exynos_dp.txt | 5 -dp-controller node
6 -dptx-phy node(defined inside dp-controller node)
8 For the DP-PHY initialization, we use the dptx-phy node.
9 Required properties for dptx-phy: deprecated, use phys and phy-names
10 -reg: deprecated
12 -samsung,enable-mask: deprecated
13 The bit-mask used to enable/disable DP PHY.
15 For the Panel initialization, we read data from dp-controller node.
16 Required properties for dp-controller:
17 -compatible:
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/display/exynos/ |
| D | exynos_dp.txt | 5 -dp-controller node
6 -dptx-phy node(defined inside dp-controller node)
8 For the DP-PHY initialization, we use the dptx-phy node.
9 Required properties for dptx-phy: deprecated, use phys and phy-names
10 -reg: deprecated
12 -samsung,enable-mask: deprecated
13 The bit-mask used to enable/disable DP PHY.
15 For the Panel initialization, we read data from dp-controller node.
16 Required properties for dp-controller:
17 -compatible:
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| /kernel/linux/linux-6.6/drivers/gpu/drm/amd/display/dc/ |
| D | dc.h | 2 * Copyright 2012-2023 Advanced Micro Devices, Inc.
99 // for example, 1080p -> 8K is 4.0, or 4000 raw value
107 // for example, 8K -> 1080p is 0.25, or 250 raw value
119 * DOC: color-management-caps
124 * abstracted HW. DCE 5-12 had almost no important changes, but starting with
131 * struct rom_curve_caps - predefined transfer function caps for degamma and regamma
147 * struct dpp_color_caps - color pipeline capabilities for display pipe and
152 * just plain 256-entry lookup
161 * @dgam_rom_for_yuv: pre-defined degamma LUT for YUV planes
162 * @dgam_rom_caps: pre-definied curve caps for degamma 1D LUT
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/display/rockchip/ |
| D | analogix_dp-rockchip.txt | 5 - compatible: "rockchip,rk3288-dp",
6 "rockchip,rk3399-edp";
8 - reg: physical base address of the controller and length
10 - clocks: from common clock binding: handle to dp clock.
13 - clock-names: from common clock binding:
16 - resets: Must contain an entry for each entry in reset-names.
19 - pinctrl-names: Names corresponding to the chip hotplug pinctrl states.
20 - pinctrl-0: pin-control mode. should be <&edp_hpd>
22 - reset-names: Must include the name "dp"
24 - rockchip,grf: this soc should set GRF regs, so need get grf here.
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| /kernel/linux/linux-6.6/drivers/extcon/ |
| D | extcon-usbc-cros-ec.c | 1 // SPDX-License-Identifier: GPL-2.0
7 #include <linux/extcon-provider.h>
49 * cros_ec_pd_command() - Send a command to the EC.
73 return -ENOMEM; in cros_ec_pd_command()
75 msg->version = version; in cros_ec_pd_command()
76 msg->command = command; in cros_ec_pd_command()
77 msg->outsize = outsize; in cros_ec_pd_command()
78 msg->insize = insize; in cros_ec_pd_command()
81 memcpy(msg->data, outdata, outsize); in cros_ec_pd_command()
83 ret = cros_ec_cmd_xfer_status(info->ec, msg); in cros_ec_pd_command()
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| /kernel/linux/linux-5.10/drivers/extcon/ |
| D | extcon-usbc-cros-ec.c | 1 // SPDX-License-Identifier: GPL-2.0
7 #include <linux/extcon-provider.h>
49 * cros_ec_pd_command() - Send a command to the EC.
73 return -ENOMEM; in cros_ec_pd_command()
75 msg->version = version; in cros_ec_pd_command()
76 msg->command = command; in cros_ec_pd_command()
77 msg->outsize = outsize; in cros_ec_pd_command()
78 msg->insize = insize; in cros_ec_pd_command()
81 memcpy(msg->data, outdata, outsize); in cros_ec_pd_command()
83 ret = cros_ec_cmd_xfer_status(info->ec, msg); in cros_ec_pd_command()
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| /kernel/linux/linux-6.6/drivers/gpu/drm/i915/display/ |
| D | intel_crt.c | 2 * Copyright © 2006-2007 Intel Corporation
102 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in intel_crt_get_hw_state()
108 encoder->power_domain); in intel_crt_get_hw_state()
112 ret = intel_crt_port_enabled(dev_priv, crt->adpa_reg, pipe); in intel_crt_get_hw_state()
114 intel_display_power_put(dev_priv, encoder->power_domain, wakeref); in intel_crt_get_hw_state()
121 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in intel_crt_get_flags()
125 tmp = intel_de_read(dev_priv, crt->adpa_reg); in intel_crt_get_flags()
143 pipe_config->output_types |= BIT(INTEL_OUTPUT_ANALOG); in intel_crt_get_config()
145 pipe_config->hw.adjusted_mode.flags |= intel_crt_get_flags(encoder); in intel_crt_get_config()
147 pipe_config->hw.adjusted_mode.crtc_clock = pipe_config->port_clock; in intel_crt_get_config()
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| D | intel_display_driver.c | 1 // SPDX-License-Identifier: MIT
3 * Copyright © 2022-2023 Intel Corporation
63 * apple-gmux is needed on dual GPU MacBook Pro in intel_display_driver_probe_defer()
69 /* If the LCD panel has a privacy-screen, wait for it */ in intel_display_driver_probe_defer()
70 privacy_screen = drm_privacy_screen_get(&pdev->dev, NULL); in intel_display_driver_probe_defer()
71 if (IS_ERR(privacy_screen) && PTR_ERR(privacy_screen) == -EPROBE_DEFER) in intel_display_driver_probe_defer()
86 cdclk_state = to_intel_cdclk_state(i915->display.cdclk.obj.state); in intel_display_driver_init_hw()
89 intel_cdclk_dump_config(i915, &i915->display.cdclk.hw, "Current CDCLK"); in intel_display_driver_init_hw()
90 cdclk_state->logical = cdclk_state->actual = i915->display.cdclk.hw; in intel_display_driver_init_hw()
111 struct drm_mode_config *mode_config = &i915->drm.mode_config; in intel_mode_config_init()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/i915/display/ |
| D | intel_crt.c | 2 * Copyright © 2006-2007 Intel Corporation
91 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in intel_crt_get_hw_state()
97 encoder->power_domain); in intel_crt_get_hw_state()
101 ret = intel_crt_port_enabled(dev_priv, crt->adpa_reg, pipe); in intel_crt_get_hw_state()
103 intel_display_power_put(dev_priv, encoder->power_domain, wakeref); in intel_crt_get_hw_state()
110 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); in intel_crt_get_flags()
114 tmp = intel_de_read(dev_priv, crt->adpa_reg); in intel_crt_get_flags()
132 pipe_config->output_types |= BIT(INTEL_OUTPUT_ANALOG); in intel_crt_get_config()
134 pipe_config->hw.adjusted_mode.flags |= intel_crt_get_flags(encoder); in intel_crt_get_config()
136 pipe_config->hw.adjusted_mode.crtc_clock = pipe_config->port_clock; in intel_crt_get_config()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/ |
| D | drm_bridge_connector.c | 1 // SPDX-License-Identifier: GPL-2.0+
40 * operation flags (&drm_bridge->ops) and bridge output type
41 * (&drm_bridge->type), as well as the DRM_BRIDGE_ATTACH_NO_CONNECTOR attach
46 * struct drm_bridge_connector - A connector backed by a chain of bridges
70 * hot-plug detection notification, if any (see &DRM_BRIDGE_OP_HPD).
92 /* -----------------------------------------------------------------------------
93 * Bridge Connector Hot-Plug Handling
104 drm_for_each_bridge_in_chain(bridge_connector->encoder, bridge) { in drm_bridge_connector_hpd_notify()
105 if (bridge->funcs->hpd_notify) in drm_bridge_connector_hpd_notify()
106 bridge->funcs->hpd_notify(bridge, status); in drm_bridge_connector_hpd_notify()
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| D | drm_probe_helper.c | 2 * Copyright (c) 2006-2008 Intel Corporation
57 * track of a per-connector hpd interrupt.
74 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) && in drm_mode_validate_flag()
78 if ((mode->flags & DRM_MODE_FLAG_DBLSCAN) && in drm_mode_validate_flag()
82 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) && in drm_mode_validate_flag()
95 struct drm_device *dev = connector->dev; in drm_mode_validate_pipeline()
120 &connector->display_info, in drm_mode_validate_pipeline()
150 cmdline_mode = &connector->cmdline_mode; in drm_helper_probe_add_cmdline_mode()
151 if (!cmdline_mode->specified) in drm_helper_probe_add_cmdline_mode()
155 list_for_each_entry(mode, &connector->probed_modes, head) { in drm_helper_probe_add_cmdline_mode()
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| /kernel/linux/linux-6.6/drivers/gpu/drm/ |
| D | drm_bridge_connector.c | 1 // SPDX-License-Identifier: GPL-2.0+
40 * operation flags (&drm_bridge->ops) and bridge output type
41 * (&drm_bridge->type), as well as the DRM_BRIDGE_ATTACH_NO_CONNECTOR attach
46 * struct drm_bridge_connector - A connector backed by a chain of bridges
70 * hot-plug detection notification, if any (see &DRM_BRIDGE_OP_HPD).
92 /* -----------------------------------------------------------------------------
93 * Bridge Connector Hot-Plug Handling
104 drm_for_each_bridge_in_chain(bridge_connector->encoder, bridge) { in drm_bridge_connector_hpd_notify()
105 if (bridge->funcs->hpd_notify) in drm_bridge_connector_hpd_notify()
106 bridge->funcs->hpd_notify(bridge, status); in drm_bridge_connector_hpd_notify()
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| D | drm_probe_helper.c | 2 * Copyright (c) 2006-2008 Intel Corporation
56 * track of a per-connector hpd interrupt.
73 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) && in drm_mode_validate_flag()
77 if ((mode->flags & DRM_MODE_FLAG_DBLSCAN) && in drm_mode_validate_flag()
81 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) && in drm_mode_validate_flag()
94 struct drm_device *dev = connector->dev; in drm_mode_validate_pipeline()
119 &connector->display_info, in drm_mode_validate_pipeline()
149 cmdline_mode = &connector->cmdline_mode; in drm_helper_probe_add_cmdline_mode()
150 if (!cmdline_mode->specified) in drm_helper_probe_add_cmdline_mode()
154 list_for_each_entry(mode, &connector->probed_modes, head) { in drm_helper_probe_add_cmdline_mode()
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| /kernel/linux/linux-6.6/drivers/gpu/drm/bridge/analogix/ |
| D | analogix_dp_core.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
81 * Some edp screen do not have hpd signal, so we can't just in analogix_dp_detect_hpd()
82 * return failed when hpd plug in detect failed, DT property in analogix_dp_detect_hpd()
83 * "force-hpd" would indicate whether driver need this. in analogix_dp_detect_hpd()
85 if (!dp->force_hpd) in analogix_dp_detect_hpd()
86 return -ETIMEDOUT; in analogix_dp_detect_hpd()
90 * will not work, so we need to give a force hpd action to in analogix_dp_detect_hpd()
93 dev_dbg(dp->dev, "failed to get hpd plug status, try to force hpd\n"); in analogix_dp_detect_hpd()
98 dev_err(dp->dev, "failed to get hpd plug in status\n"); in analogix_dp_detect_hpd()
99 return -EINVAL; in analogix_dp_detect_hpd()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/bridge/analogix/ |
| D | analogix_dp_core.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
80 * Some edp screen do not have hpd signal, so we can't just in analogix_dp_detect_hpd()
81 * return failed when hpd plug in detect failed, DT property in analogix_dp_detect_hpd()
82 * "force-hpd" would indicate whether driver need this. in analogix_dp_detect_hpd()
84 if (!dp->force_hpd) in analogix_dp_detect_hpd()
85 return -ETIMEDOUT; in analogix_dp_detect_hpd()
89 * will not work, so we need to give a force hpd action to in analogix_dp_detect_hpd()
92 dev_dbg(dp->dev, "failed to get hpd plug status, try to force hpd\n"); in analogix_dp_detect_hpd()
97 dev_err(dp->dev, "failed to get hpd plug in status\n"); in analogix_dp_detect_hpd()
98 return -EINVAL; in analogix_dp_detect_hpd()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/amd/display/amdgpu_dm/ |
| D | amdgpu_dm_debugfs.c | 57 /* parse_write_buffer_into_params - Helper function to parse debugfs write buffer into an array
86 return -EINVAL; in parse_write_buffer_into_params()
100 /* skip non-space*/ in parse_write_buffer_into_params()
149 * debugfs is located at /sys/kernel/debug/dri/0/DP-x/link_settings
151 * --- to get dp configuration
153 * cat /sys/kernel/debug/dri/0/DP-x/link_settings
156 * current -- for current video mode
157 * verified --- maximum configuration which pass link training
158 * reported --- DP rx report caps (DPCD register offset 0, 1 2)
159 * preferred --- user force settings
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