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/Linux-v6.1/Documentation/devicetree/bindings/display/panel/
Dpanel-edp.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-edp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Douglas Anderson <dianders@chromium.org>
14 to a Embedded DisplayPort AUX bus (see display/dp-aux-bus.yaml) without
17 board, either for second-sourcing purposes or to support multiple SKUs
51 :<T1>:<T2>: :<--T10-->:<T11>:<T12>:
52 : +-----------------------+---------+---------+
53 eDP -----------+ Black video | Src vid | Blk vid +
[all …]
Dpanel-common.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
24 width-mm:
29 height-mm:
41 If no such name exists, and unless the property is mandatory according to
43 non-descriptive information. For instance an LCD panel in a system that
[all …]
Dinnolux,p120zdg-bf1.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/innolux,p120zdg-bf1.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Innolux P120ZDG-BF1 12.02 inch eDP 2K display panel
10 - Sandeep Panda <spanda@codeaurora.org>
11 - Douglas Anderson <dianders@chromium.org>
14 - $ref: panel-common.yaml#
18 const: innolux,p120zdg-bf1
20 enable-gpios: true
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/Linux-v6.1/drivers/gpu/drm/nouveau/nvkm/engine/disp/
Dconn.c16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
35 struct nvkm_conn *conn = container_of(notify, typeof(*conn), hpd); in nvkm_conn_hpd()
36 struct nvkm_disp *disp = conn->disp; in nvkm_conn_hpd()
37 struct nvkm_gpio *gpio = disp->engine.subdev.device->gpio; in nvkm_conn_hpd()
38 const struct nvkm_gpio_ntfy_rep *line = notify->data; in nvkm_conn_hpd()
40 int index = conn->index; in nvkm_conn_hpd()
42 CONN_DBG(conn, "HPD: %d", line->mask); in nvkm_conn_hpd()
44 if (!nvkm_gpio_get(gpio, 0, DCB_GPIO_UNUSED, conn->hpd.index)) in nvkm_conn_hpd()
50 nvkm_event_send(&disp->hpd, rep.mask, index, &rep, sizeof(rep)); in nvkm_conn_hpd()
57 nvkm_notify_put(&conn->hpd); in nvkm_conn_fini()
[all …]
Dbase.c16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
48 head->func->vblank_put(head); in nvkm_disp_vblank_fini()
57 head->func->vblank_get(head); in nvkm_disp_vblank_init()
65 container_of(notify->event, typeof(*disp), vblank); in nvkm_disp_vblank_ctor()
69 int ret = -ENOSYS; in nvkm_disp_vblank_ctor()
71 if (!(ret = nvif_unpack(ret, &data, &size, req->v0, 0, 0, false))) { in nvkm_disp_vblank_ctor()
72 notify->size = sizeof(struct nvif_notify_head_rep_v0); in nvkm_disp_vblank_ctor()
73 if (ret = -ENXIO, req->v0.head <= disp->vblank.index_nr) { in nvkm_disp_vblank_ctor()
74 notify->types = 1; in nvkm_disp_vblank_ctor()
75 notify->index = req->v0.head; in nvkm_disp_vblank_ctor()
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/Linux-v6.1/Documentation/userspace-api/media/cec/
Dcec-ioc-dqevent.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 CEC_DQEVENT - Dequeue a CEC event
35 non-blocking mode and no event is pending, then it will return -1 and
38 The internal event queues are per-filehandle and per-event type. If
39 there is no more room in a queue then the last event is overwritten with
43 two :ref:`CEC_EVENT_STATE_CHANGE <CEC-EVENT-STATE-CHANGE>` events with
51 .. flat-table:: struct cec_event_state_change
52 :header-rows: 0
53 :stub-columns: 0
56 * - __u16
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/Linux-v6.1/drivers/gpu/drm/display/
Ddrm_dp_cec.c1 // SPDX-License-Identifier: GPL-2.0
3 * DisplayPort CEC-Tunneling-over-AUX support
19 * Unfortunately it turns out that we have a chicken-and-egg situation
20 * here. Quite a few active (mini-)DP-to-HDMI or USB-C-to-HDMI adapters
21 * have a converter chip that supports CEC-Tunneling-over-AUX (usually the
23 * useless. Note that MegaChips 2900-based adapters appear to have good
27 * Sadly there is no way for this driver to know this. What happens is
33 * was never supported by any OS. So there was no easy way of testing it,
34 * and no incentive to correctly wire up the CEC pin.
41 * https://hverkuil.home.xs4all.nl/cec-status.txt
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/Linux-v6.1/drivers/gpu/drm/amd/display/dc/gpio/
Dhw_hpd.c2 * Copyright 2012-15 Advanced Micro Devices, Inc.
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
38 hpd->shifts->field_name, hpd->masks->field_name
41 hpd->base.base.ctx
43 (hpd->regs->reg)
50 dal_hw_gpio_destruct(&pin->base); in dal_hw_hpd_destruct()
56 struct hw_hpd *hpd = HW_HPD_FROM_BASE(*ptr); in dal_hw_hpd_destroy() local
58 dal_hw_hpd_destruct(hpd); in dal_hw_hpd_destroy()
60 kfree(hpd); in dal_hw_hpd_destroy()
69 struct hw_hpd *hpd = HW_HPD_FROM_BASE(ptr); in get_value() local
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/Linux-v6.1/drivers/gpu/drm/panel/
Dpanel-samsung-atna33xc20.c1 // SPDX-License-Identifier: GPL-2.0
6 * by the DRM_PANEL_SIMPLE driver because its power sequencing is non-standard.
22 /* T3 VCC to HPD high is max 200 ms */
72 if (p->el3_was_on) in atana33xc20_suspend()
73 atana33xc20_wait(p->el_on3_off_time, 150); in atana33xc20_suspend()
75 ret = regulator_disable(p->supply); in atana33xc20_suspend()
78 p->powered_off_time = ktime_get(); in atana33xc20_suspend()
79 p->el3_was_on = false; in atana33xc20_suspend()
91 atana33xc20_wait(p->powered_off_time, 500); in atana33xc20_resume()
93 ret = regulator_enable(p->supply); in atana33xc20_resume()
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Dpanel-edp.c17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
46 * struct panel_delay - Describes delays for a simple panel.
50 * @hpd_reliable: Time for HPD to be reliable
53 * before the HPD signal is reliable. Ideally this is 0 but some panels,
57 * Presumably some old panels simply didn't have HPD hooked up and put
59 * hpd_absent. While that works, it's non-ideal.
64 * @hpd_absent: Time to wait if HPD isn't hooked up.
68 * This is T3-max on eDP timing diagrams or the delay from power on
69 * until HPD is guaranteed to be asserted.
87 * doesn't happen at the end of the function if a HPD GPIO was
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/Linux-v6.1/drivers/gpu/drm/radeon/
Dradeon_connectors.c2 * Copyright 2007-8 Advanced Micro Devices, Inc.
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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()
[all …]
Dradeon_combios.c3 * Copyright 2007-8 Advanced Micro Devices, Inc.
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
132 struct radeon_device *rdev = dev->dev_private; in combios_get_table_offset()
136 if (!rdev->bios) in combios_get_table_offset()
361 size = RBIOS8(rdev->bios_header_start + 0x6); in combios_get_table_offset()
364 offset = RBIOS16(rdev->bios_header_start + check_offset); in combios_get_table_offset()
374 edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE); in radeon_combios_check_hardcoded_edid()
378 raw = rdev->bios + edid_info; in radeon_combios_check_hardcoded_edid()
391 rdev->mode_info.bios_hardcoded_edid = edid; in radeon_combios_check_hardcoded_edid()
392 rdev->mode_info.bios_hardcoded_edid_size = size; in radeon_combios_check_hardcoded_edid()
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Drs600.c18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
39 #include <linux/io-64-nonatomic-lo-hi.h>
60 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
85 * avivo_wait_for_vblank - vblank wait asic callback.
90 * Wait for vblank on the requested crtc (r5xx-r7xx).
96 if (crtc >= rdev->num_crtc) in avivo_wait_for_vblank()
122 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; in rs600_page_flip()
123 struct drm_framebuffer *fb = radeon_crtc->base.primary->fb; in rs600_page_flip()
124 u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset); in rs600_page_flip()
129 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); in rs600_page_flip()
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/Linux-v6.1/drivers/gpu/drm/i915/display/
Dintel_hotplug.c17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
42 * handlers gather the hotplug detect (HPD) information from relevant registers
52 * pulses, with failures and non-MST long pulses triggering regular hotplug
65 * while before being re-enabled. The intention is to mitigate issues raising
71 * callback is handled by i915_digport_work_func reenabling of hpd is not
79 * intel_hpd_pin_default - return default pin associated with certain port.
81 * @port: the hpd port to get associated pin
90 return HPD_PORT_A + port - PORT_A; in intel_hpd_pin_default()
108 return encoder ? encoder->hpd_pin : HPD_NONE; in intel_connector_hpd_pin()
112 * intel_hpd_irq_storm_detect - gather stats and detect HPD IRQ storm on a pin
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/Linux-v6.1/drivers/gpu/drm/
Ddrm_bridge_connector.c1 // SPDX-License-Identifier: GPL-2.0+
31 * with the DRM device. At that point the connector becomes fully usable, no
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()
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/Linux-v6.1/drivers/gpu/drm/amd/display/dc/gpio/dcn32/
Dhw_factory_dcn32.c16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
49 #define block HPD
111 // add a dummy entry for cases no such port
132 // add a dummy entry for cases no such port
194 generic->regs = &generic_regs[en]; in define_generic_registers()
195 generic->shifts = &generic_shift[en]; in define_generic_registers()
196 generic->masks = &generic_mask[en]; in define_generic_registers()
197 generic->base.regs = &generic_regs[en].gpio; in define_generic_registers()
206 switch (pin->id) { in define_ddc_registers()
208 ddc->regs = &ddc_data_regs_dcn[en]; in define_ddc_registers()
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/Linux-v6.1/drivers/gpu/drm/bridge/
Ddisplay-connector.c1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/media-bus-format.h>
40 return flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR ? 0 : -EINVAL; in display_connector_attach()
48 if (conn->hpd_gpio) { in display_connector_detect()
49 if (gpiod_get_value_cansleep(conn->hpd_gpio)) in display_connector_detect()
55 if (conn->bridge.ddc && drm_probe_ddc(conn->bridge.ddc)) in display_connector_detect()
58 switch (conn->bridge.type) { in display_connector_detect()
66 * that no cable is connected. in display_connector_detect()
75 * Composite and S-Video connectors have no other detection in display_connector_detect()
76 * mean than the HPD GPIO. For VGA connectors, even if we have in display_connector_detect()
[all …]
/Linux-v6.1/Documentation/devicetree/bindings/display/samsung/
Dsamsung,exynos-hdmi.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/display/samsung/samsung,exynos-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Inki Dae <inki.dae@samsung.com>
11 - Seung-Woo Kim <sw0312.kim@samsung.com>
12 - Kyungmin Park <kyungmin.park@samsung.com>
13 - Krzysztof Kozlowski <krzk@kernel.org>
18 - samsung,exynos4210-hdmi
19 - samsung,exynos4212-hdmi
[all …]
/Linux-v6.1/drivers/gpu/drm/amd/display/dc/gpio/dce120/
Dhw_factory_dce120.c2 * Copyright 2013-15 Advanced Micro Devices, Inc.
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
42 #define block HPD
135 switch (pin->id) { in define_ddc_registers()
137 ddc->regs = &ddc_data_regs[en]; in define_ddc_registers()
138 ddc->base.regs = &ddc_data_regs[en].gpio; in define_ddc_registers()
141 ddc->regs = &ddc_clk_regs[en]; in define_ddc_registers()
142 ddc->base.regs = &ddc_clk_regs[en].gpio; in define_ddc_registers()
149 ddc->shifts = &ddc_shift; in define_ddc_registers()
150 ddc->masks = &ddc_mask; in define_ddc_registers()
[all …]
/Linux-v6.1/drivers/gpu/drm/amd/amdgpu/
Damdgpu_connectors.c2 * Copyright 2007-8 Advanced Micro Devices, Inc.
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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()
65 /* if existing sink type was not DP no need to retrain */ in amdgpu_connector_hotplug()
[all …]
/Linux-v6.1/drivers/gpu/drm/amd/display/dc/gpio/dce80/
Dhw_factory_dce80.c2 * Copyright 2012-15 Advanced Micro Devices, Inc.
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
122 switch (pin->id) { in define_ddc_registers()
124 ddc->regs = &ddc_data_regs[en]; in define_ddc_registers()
125 ddc->base.regs = &ddc_data_regs[en].gpio; in define_ddc_registers()
128 ddc->regs = &ddc_clk_regs[en]; in define_ddc_registers()
129 ddc->base.regs = &ddc_clk_regs[en].gpio; in define_ddc_registers()
136 ddc->shifts = &ddc_shift; in define_ddc_registers()
137 ddc->masks = &ddc_mask; in define_ddc_registers()
143 struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin); in define_hpd_registers() local
[all …]
/Linux-v6.1/drivers/gpu/drm/amd/display/dc/gpio/dce60/
Dhw_factory_dce60.c16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
122 switch (pin->id) { in define_ddc_registers()
124 ddc->regs = &ddc_data_regs[en]; in define_ddc_registers()
125 ddc->base.regs = &ddc_data_regs[en].gpio; in define_ddc_registers()
128 ddc->regs = &ddc_clk_regs[en]; in define_ddc_registers()
129 ddc->base.regs = &ddc_clk_regs[en].gpio; in define_ddc_registers()
136 ddc->shifts = &ddc_shift; in define_ddc_registers()
137 ddc->masks = &ddc_mask; in define_ddc_registers()
143 struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin); in define_hpd_registers() local
145 hpd->regs = &hpd_regs[en]; in define_hpd_registers()
[all …]
/Linux-v6.1/drivers/gpu/drm/amd/display/dc/gpio/dcn10/
Dhw_factory_dcn10.c2 * Copyright 2013-15 Advanced Micro Devices, Inc.
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
43 #define block HPD
155 generic->regs = &generic_regs[en]; in define_generic_registers()
156 generic->shifts = &generic_shift[en]; in define_generic_registers()
157 generic->masks = &generic_mask[en]; in define_generic_registers()
158 generic->base.regs = &generic_regs[en].gpio; in define_generic_registers()
167 switch (pin->id) { in define_ddc_registers()
169 ddc->regs = &ddc_data_regs[en]; in define_ddc_registers()
170 ddc->base.regs = &ddc_data_regs[en].gpio; in define_ddc_registers()
[all …]
/Linux-v6.1/drivers/gpu/drm/amd/display/dc/gpio/dce110/
Dhw_factory_dce110.c2 * Copyright 2013-15 Advanced Micro Devices, Inc.
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
118 switch (pin->id) { in define_ddc_registers()
120 ddc->regs = &ddc_data_regs[en]; in define_ddc_registers()
121 ddc->base.regs = &ddc_data_regs[en].gpio; in define_ddc_registers()
124 ddc->regs = &ddc_clk_regs[en]; in define_ddc_registers()
125 ddc->base.regs = &ddc_clk_regs[en].gpio; in define_ddc_registers()
132 ddc->shifts = &ddc_shift; in define_ddc_registers()
133 ddc->masks = &ddc_mask; in define_ddc_registers()
139 struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin); in define_hpd_registers() local
[all …]
/Linux-v6.1/arch/arm64/boot/dts/qcom/
Dsc7180-trogdor-homestar-r2.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /dts-v1/;
10 #include "sc7180-trogdor.dtsi"
11 #include "sc7180-trogdor-ti-sn65dsi86.dtsi"
12 #include "sc7180-trogdor-homestar.dtsi"
16 compatible = "google,homestar-rev2","google,homestar-rev23", "qcom,sc7180";
20 /delete-property/hpd-gpios;
21 no-hpd;

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