diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon | 75 | ||||
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 15 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml | 30 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml | 182 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/display/panel/jadard,jd9365da-h3.yaml | 70 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/display/panel/newvision,nv3051d.yaml | 63 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml | 67 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/vendor-prefixes.yaml | 6 | ||||
| -rw-r--r-- | Documentation/driver-api/dma-buf.rst | 6 | ||||
| -rw-r--r-- | Documentation/fb/modedb.rst | 5 | ||||
| -rw-r--r-- | Documentation/gpu/drm-kms-helpers.rst | 3 | ||||
| -rw-r--r-- | Documentation/gpu/drm-usage-stats.rst | 1 | ||||
| -rw-r--r-- | Documentation/gpu/i915.rst | 2 | ||||
| -rw-r--r-- | Documentation/gpu/todo.rst | 11 |
14 files changed, 508 insertions, 28 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon b/Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon new file mode 100644 index 000000000000..2d6a472eef88 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon @@ -0,0 +1,75 @@ +What: /sys/devices/.../hwmon/hwmon<i>/in0_input +Date: February 2023 +KernelVersion: 6.2 +Contact: intel-gfx@lists.freedesktop.org +Description: RO. Current Voltage in millivolt. + + Only supported for particular Intel i915 graphics platforms. + +What: /sys/devices/.../hwmon/hwmon<i>/power1_max +Date: February 2023 +KernelVersion: 6.2 +Contact: intel-gfx@lists.freedesktop.org +Description: RW. Card reactive sustained (PL1/Tau) power limit in microwatts. + + The power controller will throttle the operating frequency + if the power averaged over a window (typically seconds) + exceeds this limit. + + Only supported for particular Intel i915 graphics platforms. + +What: /sys/devices/.../hwmon/hwmon<i>/power1_rated_max +Date: February 2023 +KernelVersion: 6.2 +Contact: intel-gfx@lists.freedesktop.org +Description: RO. Card default power limit (default TDP setting). + + Only supported for particular Intel i915 graphics platforms. + +What: /sys/devices/.../hwmon/hwmon<i>/power1_max_interval +Date: February 2023 +KernelVersion: 6.2 +Contact: intel-gfx@lists.freedesktop.org +Description: RW. Sustained power limit interval (Tau in PL1/Tau) in + milliseconds over which sustained power is averaged. + + Only supported for particular Intel i915 graphics platforms. + +What: /sys/devices/.../hwmon/hwmon<i>/power1_crit +Date: February 2023 +KernelVersion: 6.2 +Contact: intel-gfx@lists.freedesktop.org +Description: RW. Card reactive critical (I1) power limit in microwatts. + + Card reactive critical (I1) power limit in microwatts is exposed + for client products. The power controller will throttle the + operating frequency if the power averaged over a window exceeds + this limit. + + Only supported for particular Intel i915 graphics platforms. + +What: /sys/devices/.../hwmon/hwmon<i>/curr1_crit +Date: February 2023 +KernelVersion: 6.2 +Contact: intel-gfx@lists.freedesktop.org +Description: RW. Card reactive critical (I1) power limit in milliamperes. + + Card reactive critical (I1) power limit in milliamperes is + exposed for server products. The power controller will throttle + the operating frequency if the power averaged over a window + exceeds this limit. + + Only supported for particular Intel i915 graphics platforms. + +What: /sys/devices/.../hwmon/hwmon<i>/energy1_input +Date: February 2023 +KernelVersion: 6.2 +Contact: intel-gfx@lists.freedesktop.org +Description: RO. Energy input of device or gt in microjoules. + + For i915 device level hwmon devices (name "i915") this + reflects energy input for the entire device. For gt level + hwmon devices (name "i915_gtN") this reflects energy input + for the gt. + + Only supported for particular Intel i915 graphics platforms. diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index a465d5242774..88561b3ce28a 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3777,12 +3777,15 @@ shutdown the other cpus. Instead use the REBOOT_VECTOR irq. - nomodeset Disable kernel modesetting. DRM drivers will not perform - display-mode changes or accelerated rendering. Only the - system framebuffer will be available for use if this was - set-up by the firmware or boot loader. - - Useful as fallback, or for testing and debugging. + nomodeset Disable kernel modesetting. Most systems' firmware + sets up a display mode and provides framebuffer memory + for output. With nomodeset, DRM and fbdev drivers will + not load if they could possibly displace the pre- + initialized output. Only the system framebuffer will + be available for use. The respective drivers will not + perform display-mode changes or accelerated rendering. + + Useful as error fallback, or for testing and debugging. nomodule Disable module load diff --git a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml index 7910831fa4b8..c731fbdc2fe0 100644 --- a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml +++ b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml @@ -12,9 +12,14 @@ maintainers: properties: compatible: - enum: - - allwinner,sun6i-a31-mipi-dsi - - allwinner,sun50i-a64-mipi-dsi + oneOf: + - enum: + - allwinner,sun6i-a31-mipi-dsi + - allwinner,sun50i-a64-mipi-dsi + - allwinner,sun50i-a100-mipi-dsi + - items: + - const: allwinner,sun20i-d1-mipi-dsi + - const: allwinner,sun50i-a100-mipi-dsi reg: maxItems: 1 @@ -59,7 +64,6 @@ required: - phys - phy-names - resets - - vcc-dsi-supply - port allOf: @@ -68,7 +72,9 @@ allOf: properties: compatible: contains: - const: allwinner,sun6i-a31-mipi-dsi + enum: + - allwinner,sun6i-a31-mipi-dsi + - allwinner,sun50i-a100-mipi-dsi then: properties: @@ -78,16 +84,22 @@ allOf: required: - clock-names + else: + properties: + clocks: + maxItems: 1 + - if: properties: compatible: contains: - const: allwinner,sun50i-a64-mipi-dsi + enum: + - allwinner,sun6i-a31-mipi-dsi + - allwinner,sun50i-a64-mipi-dsi then: - properties: - clocks: - minItems: 1 + required: + - vcc-dsi-supply unevaluatedProperties: false diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml b/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml new file mode 100644 index 000000000000..131d5b63ec4f --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml @@ -0,0 +1,182 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/renesas,dsi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas RZ/G2L MIPI DSI Encoder + +maintainers: + - Biju Das <biju.das.jz@bp.renesas.com> + +description: | + This binding describes the MIPI DSI encoder embedded in the Renesas + RZ/G2L alike family of SoC's. The encoder can operate in DSI mode, with + up to four data lanes. + +allOf: + - $ref: /schemas/display/dsi-controller.yaml# + +properties: + compatible: + items: + - enum: + - renesas,r9a07g044-mipi-dsi # RZ/G2{L,LC} + - const: renesas,rzg2l-mipi-dsi + + reg: + maxItems: 1 + + interrupts: + items: + - description: Sequence operation channel 0 interrupt + - description: Sequence operation channel 1 interrupt + - description: Video-Input operation channel 1 interrupt + - description: DSI Packet Receive interrupt + - description: DSI Fatal Error interrupt + - description: DSI D-PHY PPI interrupt + - description: Debug interrupt + + interrupt-names: + items: + - const: seq0 + - const: seq1 + - const: vin1 + - const: rcv + - const: ferr + - const: ppi + - const: debug + + clocks: + items: + - description: DSI D-PHY PLL multiplied clock + - description: DSI D-PHY system clock + - description: DSI AXI bus clock + - description: DSI Register access clock + - description: DSI Video clock + - description: DSI D-PHY Escape mode transmit clock + + clock-names: + items: + - const: pllclk + - const: sysclk + - const: aclk + - const: pclk + - const: vclk + - const: lpclk + + resets: + items: + - description: MIPI_DSI_CMN_RSTB + - description: MIPI_DSI_ARESET_N + - description: MIPI_DSI_PRESET_N + + reset-names: + items: + - const: rst + - const: arst + - const: prst + + power-domains: + maxItems: 1 + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Parallel input port + + port@1: + $ref: /schemas/graph.yaml#/$defs/port-base + unevaluatedProperties: false + description: DSI output port + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + description: array of physical DSI data lane indexes. + minItems: 1 + items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + + required: + - data-lanes + + required: + - port@0 + - port@1 + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + - clock-names + - resets + - reset-names + - power-domains + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/r9a07g044-cpg.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + dsi0: dsi@10850000 { + compatible = "renesas,r9a07g044-mipi-dsi", "renesas,rzg2l-mipi-dsi"; + reg = <0x10850000 0x20000>; + interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "seq0", "seq1", "vin1", "rcv", + "ferr", "ppi", "debug"; + clocks = <&cpg CPG_MOD R9A07G044_MIPI_DSI_PLLCLK>, + <&cpg CPG_MOD R9A07G044_MIPI_DSI_SYSCLK>, + <&cpg CPG_MOD R9A07G044_MIPI_DSI_ACLK>, + <&cpg CPG_MOD R9A07G044_MIPI_DSI_PCLK>, + <&cpg CPG_MOD R9A07G044_MIPI_DSI_VCLK>, + <&cpg CPG_MOD R9A07G044_MIPI_DSI_LPCLK>; + clock-names = "pllclk", "sysclk", "aclk", "pclk", "vclk", "lpclk"; + resets = <&cpg R9A07G044_MIPI_DSI_CMN_RSTB>, + <&cpg R9A07G044_MIPI_DSI_ARESET_N>, + <&cpg R9A07G044_MIPI_DSI_PRESET_N>; + reset-names = "rst", "arst", "prst"; + power-domains = <&cpg>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dsi0_in: endpoint { + remote-endpoint = <&du_out_dsi0>; + }; + }; + + port@1 { + reg = <1>; + dsi0_out: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&adv7535_in>; + }; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/display/panel/jadard,jd9365da-h3.yaml b/Documentation/devicetree/bindings/display/panel/jadard,jd9365da-h3.yaml new file mode 100644 index 000000000000..c06902e4fe70 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/jadard,jd9365da-h3.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/jadard,jd9365da-h3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Jadard JD9365DA-HE WXGA DSI panel + +maintainers: + - Jagan Teki <jagan@edgeble.ai> + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + items: + - enum: + - chongzhou,cz101b4001 + - const: jadard,jd9365da-h3 + + reg: true + + vdd-supply: + description: supply regulator for VDD, usually 3.3V + + vccio-supply: + description: supply regulator for VCCIO, usually 1.8V + + reset-gpios: true + + backlight: true + + port: true + +required: + - compatible + - reg + - vdd-supply + - vccio-supply + - reset-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/pinctrl/rockchip.h> + + dsi { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "chongzhou,cz101b4001", "jadard,jd9365da-h3"; + reg = <0>; + vdd-supply = <&lcd_3v3>; + vccio-supply = <&vcca_1v8>; + reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_HIGH>; + backlight = <&backlight>; + + port { + mipi_in_panel: endpoint { + remote-endpoint = <&mipi_out_panel>; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/display/panel/newvision,nv3051d.yaml b/Documentation/devicetree/bindings/display/panel/newvision,nv3051d.yaml new file mode 100644 index 000000000000..116c1b6030a2 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/newvision,nv3051d.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/newvision,nv3051d.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NewVision NV3051D based LCD panel + +description: | + The NewVision NV3051D is a driver chip used to drive DSI panels. For now, + this driver only supports the 640x480 panels found in the Anbernic RG353 + based devices. + +maintainers: + - Chris Morgan <macromorgan@hotmail.com> + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + items: + - enum: + - anbernic,rg353p-panel + - anbernic,rg353v-panel + - const: newvision,nv3051d + + reg: true + backlight: true + port: true + reset-gpios: + description: Active low reset GPIO + vdd-supply: true + +required: + - compatible + - reg + - backlight + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + dsi { + #address-cells = <1>; + #size-cells = <0>; + panel@0 { + compatible = "anbernic,rg353p-panel", "newvision,nv3051d"; + reg = <0>; + backlight = <&backlight>; + reset-gpios = <&gpio4 0 GPIO_ACTIVE_LOW>; + vdd-supply = <&vcc3v3_lcd>; + + port { + mipi_in_panel: endpoint { + remote-endpoint = <&mipi_out_panel>; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml b/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml index 10ec78ca1c65..554f9d5809d4 100644 --- a/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml +++ b/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml @@ -117,6 +117,45 @@ properties: - const: dp-phy0 - const: dp-phy1 + ports: + $ref: /schemas/graph.yaml#/properties/ports + description: | + Connections to the programmable logic and the DisplayPort PHYs. Each port + shall have a single endpoint. + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: The live video input from the programmable logic + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: The live graphics input from the programmable logic + + port@2: + $ref: /schemas/graph.yaml#/properties/port + description: The live audio input from the programmable logic + + port@3: + $ref: /schemas/graph.yaml#/properties/port + description: The blended video output to the programmable logic + + port@4: + $ref: /schemas/graph.yaml#/properties/port + description: The mixed audio output to the programmable logic + + port@5: + $ref: /schemas/graph.yaml#/properties/port + description: The DisplayPort output + + required: + - port@0 + - port@1 + - port@2 + - port@3 + - port@4 + - port@5 + required: - compatible - reg @@ -130,6 +169,7 @@ required: - dma-names - phys - phy-names + - ports additionalProperties: false @@ -164,6 +204,33 @@ examples: <&psgtr 0 PHY_TYPE_DP 1 3>; phy-names = "dp-phy0", "dp-phy1"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + }; + port@1 { + reg = <1>; + }; + port@2 { + reg = <2>; + }; + port@3 { + reg = <3>; + }; + port@4 { + reg = <4>; + }; + port@5 { + reg = <5>; + dpsub_dp_out: endpoint { + remote-endpoint = <&dp_connector>; + }; + }; + }; }; ... diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 6e323a380294..592e43911a07 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -246,6 +246,8 @@ patternProperties: description: ChipOne "^chipspark,.*": description: ChipSPARK + "^chongzhou,.*": + description: Shenzhen Chongzhou Electronic Technology Co., Ltd "^chrontel,.*": description: Chrontel, Inc. "^chrp,.*": @@ -639,6 +641,8 @@ patternProperties: description: ITian Corporation "^iwave,.*": description: iWave Systems Technologies Pvt. Ltd. + "^jadard,.*": + description: Jadard Technology Inc. "^jdi,.*": description: Japan Display Inc. "^jedec,.*": @@ -883,6 +887,8 @@ patternProperties: description: Shenzhen Netxeon Technology CO., LTD "^neweast,.*": description: Guangdong Neweast Optoelectronics CO., LTD + "^newvision,.*": + description: New Vision Display (Shenzhen) Co., Ltd. "^nexbox,.*": description: Nexbox "^nextthing,.*": diff --git a/Documentation/driver-api/dma-buf.rst b/Documentation/driver-api/dma-buf.rst index 36a76cbe9095..622b8156d212 100644 --- a/Documentation/driver-api/dma-buf.rst +++ b/Documentation/driver-api/dma-buf.rst @@ -119,6 +119,12 @@ DMA Buffer ioctls .. kernel-doc:: include/uapi/linux/dma-buf.h +DMA-BUF locking convention +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. kernel-doc:: drivers/dma-buf/dma-buf.c + :doc: locking convention + Kernel Functions and Structures Reference ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/Documentation/fb/modedb.rst b/Documentation/fb/modedb.rst index 4d2411e32ebb..e53375033146 100644 --- a/Documentation/fb/modedb.rst +++ b/Documentation/fb/modedb.rst @@ -26,6 +26,11 @@ Valid mode specifiers (mode_option argument):: with <xres>, <yres>, <bpp> and <refresh> decimal numbers and <name> a string. Things between square brackets are optional. +Valid names are:: + + - NSTC: 480i output, with the CCIR System-M TV mode and NTSC color encoding + - PAL: 576i output, with the CCIR System-B TV mode and PAL color encoding + If 'M' is specified in the mode_option argument (after <yres> and before <bpp> and <refresh>, if specified) the timings will be calculated using VESA(TM) Coordinated Video Timings instead of looking up the mode from a table. diff --git a/Documentation/gpu/drm-kms-helpers.rst b/Documentation/gpu/drm-kms-helpers.rst index dbc85fd7a971..a4860ffd6e86 100644 --- a/Documentation/gpu/drm-kms-helpers.rst +++ b/Documentation/gpu/drm-kms-helpers.rst @@ -116,6 +116,9 @@ fbdev Helper Functions Reference .. kernel-doc:: drivers/gpu/drm/drm_fb_helper.c :export: +.. kernel-doc:: drivers/gpu/drm/drm_fbdev_generic.c + :export: + format Helper Functions Reference ================================= diff --git a/Documentation/gpu/drm-usage-stats.rst b/Documentation/gpu/drm-usage-stats.rst index 92c5117368d7..b46327356e80 100644 --- a/Documentation/gpu/drm-usage-stats.rst +++ b/Documentation/gpu/drm-usage-stats.rst @@ -126,7 +126,6 @@ percentage utilization of the engine, whereas drm-engine-<str> only reflects time active without considering what frequency the engine is operating as a percentage of it's maximum frequency. -=============================== Driver specific implementations =============================== diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst index 4e59db1cfb00..60ea21734902 100644 --- a/Documentation/gpu/i915.rst +++ b/Documentation/gpu/i915.rst @@ -494,7 +494,7 @@ WOPCM WOPCM Layout ~~~~~~~~~~~~ -.. kernel-doc:: drivers/gpu/drm/i915/intel_wopcm.c +.. kernel-doc:: drivers/gpu/drm/i915/gt/intel_wopcm.c :doc: WOPCM Layout GuC diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index 393d218e4a0c..b2c6aaf1edf2 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -651,17 +651,6 @@ See drivers/gpu/drm/amd/display/TODO for tasks. Contact: Harry Wentland, Alex Deucher -vmwgfx: Replace hashtable with Linux' implementation ----------------------------------------------------- - -The vmwgfx driver uses its own hashtable implementation. Replace the -code with Linux' implementation and update the callers. It's mostly a -refactoring task, but the interfaces are different. - -Contact: Zack Rusin, Thomas Zimmermann <tzimmermann@suse.de> - -Level: Intermediate - Bootsplash ========== |