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/linux/Documentation/devicetree/bindings/display/bridge/
H A Danalogix,dp.yaml1 # 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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/linux/drivers/gpu/drm/amd/display/dc/
H A Ddc.h2 * Copyright 2012-2023 Advanced Micro Devices, Inc.
61 * MAX_SURFACES - representative of the upper bound of surfaces that can be piped to a single CRTC
65 * MAX_PLANES - representative of the upper bound of planes that are supported by the HW
118 // for example, 1080p -> 8K is 4.0, or 4000 raw value
126 // for example, 8K -> 1080p is 0.25, or 250 raw value
138 * DOC: color-management-caps
143 * abstracted HW. DCE 5-12 had almost no important changes, but starting with
150 * struct rom_curve_caps - predefined transfer function caps for degamma and regamma
166 * struct dpp_color_caps - color pipeline capabilities for display pipe and
171 * just plain 256-entry lookup
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/linux/drivers/extcon/
H A Dextcon-usbc-cros-ec.c1 // 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()
[all …]
/linux/drivers/gpu/drm/bridge/analogix/
H A Danalogix_dp_core.c1 // SPDX-License-Identifier: GPL-2.0-or-later
71 * Some edp screen do not have hpd signal, so we can't just in analogix_dp_detect_hpd()
72 * return failed when hpd plug in detect failed, DT property in analogix_dp_detect_hpd()
73 * "force-hpd" would indicate whether driver need this. in analogix_dp_detect_hpd()
75 if (!dp->force_hpd) in analogix_dp_detect_hpd()
76 return -ETIMEDOUT; in analogix_dp_detect_hpd()
80 * will not work, so we need to give a force hpd action to in analogix_dp_detect_hpd()
83 dev_dbg(dp->dev, "failed to get hpd plug status, try to force hpd\n"); in analogix_dp_detect_hpd()
88 dev_err(dp->dev, "failed to get hpd plug in status\n"); in analogix_dp_detect_hpd()
89 return -EINVAL; in analogix_dp_detect_hpd()
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/linux/drivers/gpu/drm/amd/amdgpu/
H A Ddce_v8_0.c82 (0x13830 - 0x7030) >> 2,
89 uint32_t hpd; member
95 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
100 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
105 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
110 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
115 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
120 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
129 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); in dce_v8_0_audio_endpt_rreg()
132 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); in dce_v8_0_audio_endpt_rreg()
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H A Ddce_v10_0.c55 static void dce_v10_0_hpd_int_ack(struct amdgpu_device *adev, int hpd);
90 uint32_t hpd; member
96 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
101 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
106 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
111 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
116 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
121 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
150 switch (adev->asic_type) { in dce_v10_0_init_golden_registers()
178 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); in dce_v10_0_audio_endpt_rreg()
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H A Ddce_v6_0.c94 (0x13830 - 0x7030) >> 2,
101 uint32_t hpd; member
107 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
112 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
117 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
122 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
127 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
132 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
141 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags); in dce_v6_0_audio_endpt_rreg()
144 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags); in dce_v6_0_audio_endpt_rreg()
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H A Damdgpu_display.c2 * Copyright 2007-8 Advanced Micro Devices, Inc.
52 * amdgpu_display_hotplug_work_func - work handler for display hotplug event
72 struct drm_mode_config *mode_config = &dev->mode_config; in amdgpu_display_hotplug_work_func()
76 mutex_lock(&mode_config->mutex); in amdgpu_display_hotplug_work_func()
81 mutex_unlock(&mode_config->mutex); in amdgpu_display_hotplug_work_func()
98 schedule_work(&work->flip_work.work); in amdgpu_display_flip_callback()
111 if (!dma_fence_add_callback(fence, &work->cb, in amdgpu_display_flip_handle_fence()
125 struct amdgpu_device *adev = work->adev; in amdgpu_display_flip_work_func()
126 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[work->crtc_id]; in amdgpu_display_flip_work_func()
128 struct drm_crtc *crtc = &amdgpu_crtc->base; in amdgpu_display_flip_work_func()
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/linux/drivers/platform/x86/
H A Dmeegopad_anx7428.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver to power on the Analogix ANX7428 USB Type-C crosspoint switch
4 * on MeeGoPad top-set boxes.
6 * The MeeGoPad T8 and T9 are Cherry Trail top-set boxes which
7 * use an ANX7428 to provide a Type-C port with USB3.1 Gen 1 and
8 * DisplayPort over Type-C alternate mode support.
12 * to send the right signal to the 4 highspeed pairs of the Type-C
13 * connector. It also takes care of HPD and AUX channel routing for
16 * IOW the ANX7428 operates fully autonomous and to the x5-Z8350 SoC
17 * things look like there simply is a USB-3 Type-A connector and a
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H A Dapple-gmux.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (C) 2010-2012 Andreas Heider <andreas@meetr.de>
19 #include <linux/apple-gmux.h>
32 * A `Lattice XP2`_ on pre-retinas, a `Renesas R4F2113`_ on pre-T2 retinas.
41 * dual GPUs but no built-in display.)
45 * to access a pre-retina gmux are infixed ``_pio_``, those for a pre-T2
54 * https://www.nxp.com/docs/en/data-sheet/PCAL6524.pdf
112 return inb(gmux_data->iostart + port); in gmux_pio_read8()
118 outb(val, gmux_data->iostart + port); in gmux_pio_write8()
123 return inl(gmux_data->iostart + port); in gmux_pio_read32()
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/linux/drivers/gpu/drm/radeon/
H A Dradeon_irq_kms.c47 * radeon_driver_irq_handler_kms - irq handler for KMS
50 * radeon_irq_process is a macro that points to the per-asic
56 struct radeon_device *rdev = dev->dev_private; in radeon_driver_irq_handler_kms()
61 pm_runtime_mark_last_busy(dev->dev); in radeon_driver_irq_handler_kms()
69 * radeon_hotplug_work_func - display hotplug work handler
84 struct drm_mode_config *mode_config = &dev->mode_config; in radeon_hotplug_work_func()
89 if (!rdev->mode_info.mode_config_initialized) in radeon_hotplug_work_func()
92 mutex_lock(&mode_config->mutex); in radeon_hotplug_work_func()
93 list_for_each_entry(connector, &mode_config->connector_list, head) in radeon_hotplug_work_func()
95 mutex_unlock(&mode_config->mutex); in radeon_hotplug_work_func()
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H A Devergreen.c62 spin_lock_irqsave(&rdev->cg_idx_lock, flags); in eg_cg_rreg()
65 spin_unlock_irqrestore(&rdev->cg_idx_lock, flags); in eg_cg_rreg()
73 spin_lock_irqsave(&rdev->cg_idx_lock, flags); in eg_cg_wreg()
76 spin_unlock_irqrestore(&rdev->cg_idx_lock, flags); in eg_cg_wreg()
84 spin_lock_irqsave(&rdev->pif_idx_lock, flags); in eg_pif_phy0_rreg()
87 spin_unlock_irqrestore(&rdev->pif_idx_lock, flags); in eg_pif_phy0_rreg()
95 spin_lock_irqsave(&rdev->pif_idx_lock, flags); in eg_pif_phy0_wreg()
98 spin_unlock_irqrestore(&rdev->pif_idx_lock, flags); in eg_pif_phy0_wreg()
106 spin_lock_irqsave(&rdev->pif_idx_lock, flags); in eg_pif_phy1_rreg()
109 spin_unlock_irqrestore(&rdev->pif_idx_lock, flags); in eg_pif_phy1_rreg()
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H A Dr600.c105 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
125 spin_lock_irqsave(&rdev->rcu_idx_lock, flags); in r600_rcu_rreg()
128 spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags); in r600_rcu_rreg()
136 spin_lock_irqsave(&rdev->rcu_idx_lock, flags); in r600_rcu_wreg()
139 spin_unlock_irqrestore(&rdev->rcu_idx_lock, flags); in r600_rcu_wreg()
147 spin_lock_irqsave(&rdev->uvd_idx_lock, flags); in r600_uvd_ctx_rreg()
150 spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags); in r600_uvd_ctx_rreg()
158 spin_lock_irqsave(&rdev->uvd_idx_lock, flags); in r600_uvd_ctx_wreg()
161 spin_unlock_irqrestore(&rdev->uvd_idx_lock, flags); in r600_uvd_ctx_wreg()
165 * r600_get_allowed_info_register - fetch the register for the info ioctl
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/linux/drivers/gpu/drm/amd/display/amdgpu_dm/
H A Damdgpu_dm_debugfs.c1 // SPDX-License-Identifier: MIT
29 #include <media/cec-notifier.h>
68 /* parse_write_buffer_into_params - Helper function to parse debugfs write buffer into an array
95 return -EFAULT; in parse_write_buffer_into_params()
109 /* skip non-space*/ in parse_write_buffer_into_params()
158 * debugfs is located at /sys/kernel/debug/dri/0/DP-x/link_settings
160 * --- to get dp configuration
162 * cat /sys/kernel/debug/dri/0/DP-x/link_settings
165 * current -- for current video mode
166 * verified --- maximum configuration which pass link training
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H A Damdgpu_dm.c1 // SPDX-License-Identifier: MIT
99 #include <media/cec-notifier.h>
181 switch (link->dpcd_caps.dongle_type) { in get_subconnector_type()
200 struct dc_link *link = aconnector->dc_link; in update_subconnector_property()
201 struct drm_connector *connector = &aconnector->base; in update_subconnector_property()
204 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) in update_subconnector_property()
207 if (aconnector->dc_sink) in update_subconnector_property()
210 drm_object_property_set_value(&connector->base, in update_subconnector_property()
211 connector->dev->mode_config.dp_subconnector_property, in update_subconnector_property()
259 * struct amdgpu_device *adev - [in] desired amdgpu device
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/linux/arch/arm64/boot/dts/rockchip/
H A Drk3588-coolpi-cm5-genbook.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 /dts-v1/;
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/soc/rockchip,vop2.h>
11 #include "rk3588-coolpi-cm5.dtsi"
15 compatible = "coolpi,pi-cm5-genbook", "coolpi,pi-cm5", "rockchip,rk3588";
18 compatible = "pwm-backlight";
19 enable-gpios = <&gpio4 RK_PA3 GPIO_ACTIVE_HIGH>;
20 pinctrl-names = "default";
21 pinctrl-0 = <&bl_en>;
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H A Drk3399-evb.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
7 #include <dt-bindings/pwm/pwm.h>
8 #include "rk3399-base.dtsi"
12 compatible = "rockchip,rk3399-evb", "rockchip,rk3399";
20 compatible = "pwm-backlight";
21 brightness-levels = <
54 default-brightness-level = <200>;
58 edp_panel: edp-panel {
59 compatible = "lg,lp079qx1-sp0v";
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/linux/drivers/gpu/drm/tegra/
H A Doutput.c1 // SPDX-License-Identifier: GPL-2.0-only
19 #include <media/cec-notifier.h>
31 if (output->panel) { in tegra_output_connector_get_modes()
32 err = drm_panel_get_modes(output->panel, connector); in tegra_output_connector_get_modes()
37 if (output->drm_edid) in tegra_output_connector_get_modes()
38 drm_edid = drm_edid_dup(output->drm_edid); in tegra_output_connector_get_modes()
39 else if (output->ddc) in tegra_output_connector_get_modes()
40 drm_edid = drm_edid_read_ddc(connector, output->ddc); in tegra_output_connector_get_modes()
43 cec_notifier_set_phys_addr(output->cec, in tegra_output_connector_get_modes()
44 connector->display_info.source_physical_address); in tegra_output_connector_get_modes()
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/linux/arch/arm/boot/dts/rockchip/
H A Drk3288-veyron-speedy.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
9 #include "rk3288-veyron-chromebook.dtsi"
10 #include "rk3288-veyron-broadcom-bluetooth.dtsi"
11 #include "../cros-ec-sbs.dtsi"
15 compatible = "google,veyron-speedy-rev9", "google,veyron-speedy-rev8",
16 "google,veyron-speedy-rev7", "google,veyron-speedy-rev6",
17 "google,veyron-speedy-rev5", "google,veyron-speedy-rev4",
18 "google,veyron-speedy-rev3", "google,veyron-speedy-rev2",
19 "google,veyron-speedy", "google,veyron", "rockchip,rk3288";
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/linux/drivers/gpu/drm/bridge/synopsys/
H A Ddw-hdmi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * DesignWare High-Definition Multimedia Interface (HDMI) driver
5 * Copyright (C) 2013-2015 Mentor Graphics Inc.
6 * Copyright (C) 2011-2013 Freescale Semiconductor, Inc.
21 #include <linux/dma-mapping.h>
24 #include <media/cec-notifier.h>
26 #include <linux/media-bus-format.h>
40 #include "dw-hdmi-audio.h"
41 #include "dw-hdmi-cec.h"
42 #include "dw-hdmi.h"
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/linux/arch/arm64/kvm/
H A Dat.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2017 - Linaro Ltd
15 wr->fst = fst; in fail_s1_walk()
16 wr->ptw = s1ptw; in fail_s1_walk()
17 wr->s2 = s1ptw; in fail_s1_walk()
18 wr->failed = true; in fail_s1_walk()
21 #define S1_MMU_DISABLED (-127)
25 return 64 - wi->txsz; in get_ia_size()
31 if (wi->pa52bit) in check_output_size()
32 return wi->max_oa_bits < 52 && (ipa & GENMASK_ULL(51, wi->max_oa_bits)); in check_output_size()
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/linux/drivers/gpu/drm/bridge/
H A Dtc358767.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * TC358767/TC358867/TC9595 DSI/DPI-to-DPI/(e)DP bridge driver
6 * All modes are supported -- DPI->(e)DP / DSI->DPI / DSI->(e)DP .
27 #include <linux/media-bus-format.h>
44 /* DSI D-PHY Layer registers */
77 #define DSI_STARTDSI 0x0204 /* START control bit of DSI-TX */
110 #define SUB_CFG_TYPE_CONFIG3 (2 << 2) /* LSB aligned 8-bit */
184 #define VID_MN_GEN BIT(6) /* Auto-generate M/N values */
190 #define DP0_VIDMNGEN0 0x0610 /* DP0 Video Force M Value Register */
191 #define DP0_VIDMNGEN1 0x0614 /* DP0 Video Force N Value Register */
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H A Dmegachips-stdpxxxx-ge-b850v3-fw.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Driver for MegaChips STDP4028 with GE B850v3 firmware (LVDS-DP)
4 * Driver for MegaChips STDP2690 with GE B850v3 firmware (DP-DP++)
15 * only needed to read EDID from the STDP2690 and to handle HPD events from the
19 * Host -> LVDS|--(STDP4028)--|DP -> DP|--(STDP2690)--|DP++ -> Video output
71 struct i2c_adapter *adapter = client->adapter; in stdp2690_read_block()
76 .addr = client->addr, in stdp2690_read_block()
81 .addr = client->addr, in stdp2690_read_block()
89 return -1; in stdp2690_read_block()
99 client = ge_b850v3_lvds_ptr->stdp2690_i2c; in ge_b850v3_lvds_edid_read()
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/linux/include/drm/bridge/
H A Ddw_hdmi.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
9 #include <sound/hdmi-codec.h>
24 * +----------------------+----------------------------------+------------------------------+
26 * +----------------------+----------------------------------+------------------------------+
28 * +----------------------+----------------------------------+------------------------------+
30 * +----------------------+----------------------------------+------------------------------+
32 * +----------------------+----------------------------------+------------------------------+
34 * +----------------------+----------------------------------+------------------------------+
39 * +----------------------+----------------------------------+------------------------------+
44 * +----------------------+----------------------------------+------------------------------+
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/linux/drivers/gpu/drm/ast/
H A Dast_dp.c1 // SPDX-License-Identifier: GPL-2.0
62 while (entry->hdisplay && entry->vdisplay) { in ast_astdp_get_mode_index()
63 if (entry->hdisplay == hdisplay && entry->vdisplay == vdisplay) in ast_astdp_get_mode_index()
64 return entry->mode_index; in ast_astdp_get_mode_index()
68 return -EINVAL; in ast_astdp_get_mode_index()
76 * HPD might be set even if no monitor is connected, so also check that in ast_astdp_is_connected()
92 return -EIO; /* extension headers not supported */ in ast_astdp_read_edid_block()
96 * by acquiring the I/O-register lock. in ast_astdp_read_edid_block()
98 mutex_lock(&ast->modeset_lock); in ast_astdp_read_edid_block()
111 ret = -EIO; in ast_astdp_read_edid_block()
[all …]

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