diff options
Diffstat (limited to 'Documentation')
18 files changed, 345 insertions, 8 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-panfrost-profiling b/Documentation/ABI/testing/sysfs-driver-panfrost-profiling new file mode 100644 index 000000000000..7597c420e54b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-panfrost-profiling @@ -0,0 +1,10 @@ +What: /sys/bus/platform/drivers/panfrost/.../profiling +Date: February 2024 +KernelVersion: 6.8.0 +Contact: Adrian Larumbe <adrian.larumbe@collabora.com> +Description: + Get/set drm fdinfo's engine and cycles profiling status. + Valid values are: + 0: Don't enable fdinfo job profiling sources. + 1: Enable fdinfo job profiling sources, this enables both the GPU's + timestamp and cycle counter registers. diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml index c9a882ee6d98..c4469f463978 100644 --- a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml +++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml @@ -9,6 +9,9 @@ title: ITE it6505 maintainers: - Allen Chen <allen.chen@ite.com.tw> +allOf: + - $ref: /schemas/sound/dai-common.yaml# + description: | The IT6505 is a high-performance DisplayPort 1.1a transmitter, fully compliant with DisplayPort 1.1a, HDCP 1.3 specifications. @@ -52,6 +55,9 @@ properties: maxItems: 1 description: extcon specifier for the Power Delivery + "#sound-dai-cells": + const: 0 + ports: $ref: /schemas/graph.yaml#/properties/ports @@ -105,7 +111,7 @@ required: - extcon - ports -additionalProperties: false +unevaluatedProperties: false examples: - | diff --git a/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml b/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml index 84aafcbf0919..6ceeed76e88e 100644 --- a/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml +++ b/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml @@ -41,6 +41,7 @@ properties: - enum: - ti,ds90cf364a # For the DS90CF364A FPD-Link LVDS Receiver - ti,ds90cf384a # For the DS90CF384A FPD-Link LVDS Receiver + - ti,sn65lvds94 # For the SN65DS94 LVDS serdes - const: lvds-decoder # Generic LVDS decoders compatible fallback - enum: - thine,thc63lvdm83d # For the THC63LVDM83D LVDS serializer diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml index b1e624be3e33..a015dce72f60 100644 --- a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml +++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml @@ -19,6 +19,7 @@ properties: - ampire,am8001280g - bananapi,lhr050h41 - feixin,k101-im2byl02 + - startek,kd050hdfia020 - tdo,tl050hdv35 - wanchanglong,w552946aba - const: ilitek,ili9881c diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt35950.yaml b/Documentation/devicetree/bindings/display/panel/novatek,nt35950.yaml index 377a05d48a02..7cac93b20944 100644 --- a/Documentation/devicetree/bindings/display/panel/novatek,nt35950.yaml +++ b/Documentation/devicetree/bindings/display/panel/novatek,nt35950.yaml @@ -19,7 +19,7 @@ description: | either bilinear interpolation or pixel duplication. allOf: - - $ref: panel-common.yaml# + - $ref: panel-common-dual.yaml# properties: compatible: @@ -59,6 +59,7 @@ required: - avee-supply - dvdd-supply - vddio-supply + - ports additionalProperties: false diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml b/Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml index 5f7e4c486094..bbeea8cfa5fb 100644 --- a/Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml +++ b/Documentation/devicetree/bindings/display/panel/novatek,nt36523.yaml @@ -14,9 +14,6 @@ description: | panels. Support video mode panels from China Star Optoelectronics Technology (CSOT) and BOE Technology. -allOf: - - $ref: panel-common.yaml# - properties: compatible: oneOf: @@ -38,7 +35,6 @@ properties: description: regulator that supplies the I/O voltage reg: true - ports: true rotation: true backlight: true @@ -47,7 +43,26 @@ required: - reg - vddio-supply - reset-gpios - - ports + +allOf: + - $ref: panel-common-dual.yaml# + - if: + properties: + compatible: + contains: + enum: + - novatek,nt36523w + then: + properties: + ports: + properties: + port@1: false + else: + properties: + port: false + ports: + required: + - port@1 unevaluatedProperties: false diff --git a/Documentation/devicetree/bindings/display/panel/panel-common-dual.yaml b/Documentation/devicetree/bindings/display/panel/panel-common-dual.yaml new file mode 100644 index 000000000000..cc7ea3c35c77 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/panel-common-dual.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/panel-common-dual.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Common Properties for Dual-Link Display Panels + +maintainers: + - Thierry Reding <thierry.reding@gmail.com> + - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> + +description: + Properties common for Panel IC supporting dual link panels. Devices might + support also single link. + +allOf: + - $ref: panel-common.yaml# + +properties: + ports: + $ref: /schemas/graph.yaml#/properties/ports + additionalProperties: false + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: First link + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Second link + + "#address-cells": true + "#size-cells": true + + required: + - port@0 + +# Single-panel setups are still allowed. +oneOf: + - required: + - ports + - required: + - port + +additionalProperties: true diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml index f9160d7bac3c..d3abd7f4ebcd 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml +++ b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml @@ -50,6 +50,8 @@ properties: - panasonic,vvx10f004b00 # Panasonic 10" WUXGA TFT LCD panel - panasonic,vvx10f034n00 + # Samsung s6e3fa7 1080x2220 based AMS559NK06 AMOLED panel + - samsung,s6e3fa7-ams559nk06 # Samsung s6e3fc2x01 1080x2340 AMOLED panel - samsung,s6e3fc2x01 # Samsung sofef00 1080x2280 AMOLED panel diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml index a95445f40870..e0f6aa9a025c 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml +++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml @@ -91,6 +91,8 @@ properties: - boe,nv133fhm-n62 # BOE NV140FHM-N49 14.0" FHD a-Si FT panel - boe,nv140fhmn49 + # Crystal Clear Technology CMT430B19N00 4.3" 480x272 TFT-LCD panel + - cct,cmt430b19n00 # CDTech(H.K.) Electronics Limited 4.3" 480x272 color TFT-LCD panel - cdtech,s043wq26h-ct7 # CDTech(H.K.) Electronics Limited 7" WSVGA (1024x600) TFT LCD Panel @@ -272,6 +274,8 @@ properties: - osddisplays,osd070t1718-19ts # One Stop Displays OSD101T2045-53TS 10.1" 1920x1200 panel - osddisplays,osd101t2045-53ts + # POWERTIP PH128800T006-ZHC01 10.1" WXGA TFT LCD panel + - powertip,ph128800t006-zhc01 # POWERTIP PH800480T013-IDF2 7.0" WVGA TFT LCD panel - powertip,ph800480t013-idf02 # QiaoDian XianShi Corporation 4"3 TFT LCD panel diff --git a/Documentation/devicetree/bindings/display/panel/rocktech,jh057n00900.yaml b/Documentation/devicetree/bindings/display/panel/rocktech,jh057n00900.yaml index 6ec471284f97..4ae152cc55e0 100644 --- a/Documentation/devicetree/bindings/display/panel/rocktech,jh057n00900.yaml +++ b/Documentation/devicetree/bindings/display/panel/rocktech,jh057n00900.yaml @@ -22,6 +22,8 @@ properties: enum: # Anberic RG353V-V2 5.0" 640x480 TFT LCD panel - anbernic,rg353v-panel-v2 + # GameForce Chi 3.5" 640x480 TFT LCD panel + - gameforce,chi-panel # Powkiddy RGB10MAX3 5.0" 720x1280 TFT LCD panel - powkiddy,rgb10max3-panel # Powkiddy RGB30 3.0" 720x720 TFT LCD panel diff --git a/Documentation/devicetree/bindings/display/panel/sony,td4353-jdi.yaml b/Documentation/devicetree/bindings/display/panel/sony,td4353-jdi.yaml index b6b885b4c22d..07bce556ad40 100644 --- a/Documentation/devicetree/bindings/display/panel/sony,td4353-jdi.yaml +++ b/Documentation/devicetree/bindings/display/panel/sony,td4353-jdi.yaml @@ -23,6 +23,8 @@ properties: reg: true backlight: true + width-mm: true + height-mm: true vddio-supply: description: VDDIO 1.8V supply diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml new file mode 100644 index 000000000000..a5b4e0021758 --- /dev/null +++ b/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml @@ -0,0 +1,147 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpu/arm,mali-valhall-csf.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ARM Mali Valhall GPU + +maintainers: + - Liviu Dudau <liviu.dudau@arm.com> + - Boris Brezillon <boris.brezillon@collabora.com> + +properties: + $nodename: + pattern: '^gpu@[a-f0-9]+$' + + compatible: + oneOf: + - items: + - enum: + - rockchip,rk3588-mali + - const: arm,mali-valhall-csf # Mali Valhall GPU model/revision is fully discoverable + + reg: + maxItems: 1 + + interrupts: + items: + - description: Job interrupt + - description: MMU interrupt + - description: GPU interrupt + + interrupt-names: + items: + - const: job + - const: mmu + - const: gpu + + clocks: + minItems: 1 + maxItems: 3 + + clock-names: + minItems: 1 + items: + - const: core + - const: coregroup + - const: stacks + + mali-supply: true + + operating-points-v2: true + opp-table: + type: object + + power-domains: + minItems: 1 + maxItems: 5 + + power-domain-names: + minItems: 1 + maxItems: 5 + + sram-supply: true + + "#cooling-cells": + const: 2 + + dynamic-power-coefficient: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + A u32 value that represents the running time dynamic + power coefficient in units of uW/MHz/V^2. The + coefficient can either be calculated from power + measurements or derived by analysis. + + The dynamic power consumption of the GPU is + proportional to the square of the Voltage (V) and + the clock frequency (f). The coefficient is used to + calculate the dynamic power as below - + + Pdyn = dynamic-power-coefficient * V^2 * f + + where voltage is in V, frequency is in MHz. + + dma-coherent: true + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + - mali-supply + +additionalProperties: false + +allOf: + - if: + properties: + compatible: + contains: + const: rockchip,rk3588-mali + then: + properties: + clocks: + minItems: 3 + power-domains: + maxItems: 1 + power-domain-names: false + +examples: + - | + #include <dt-bindings/clock/rockchip,rk3588-cru.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/rk3588-power.h> + + gpu: gpu@fb000000 { + compatible = "rockchip,rk3588-mali", "arm,mali-valhall-csf"; + reg = <0xfb000000 0x200000>; + interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH 0>, + <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH 0>, + <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH 0>; + interrupt-names = "job", "mmu", "gpu"; + clock-names = "core", "coregroup", "stacks"; + clocks = <&cru CLK_GPU>, <&cru CLK_GPU_COREGROUP>, + <&cru CLK_GPU_STACKS>; + power-domains = <&power RK3588_PD_GPU>; + operating-points-v2 = <&gpu_opp_table>; + mali-supply = <&vdd_gpu_s0>; + sram-supply = <&vdd_gpu_mem_s0>; + + gpu_opp_table: opp-table { + compatible = "operating-points-v2"; + opp-300000000 { + opp-hz = /bits/ 64 <300000000>; + opp-microvolt = <675000 675000 850000>; + }; + opp-400000000 { + opp-hz = /bits/ 64 <400000000>; + opp-microvolt = <675000 675000 850000>; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index b97d298b3eb6..9cab8385108c 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -256,6 +256,8 @@ patternProperties: description: Catalyst Semiconductor, Inc. "^cavium,.*": description: Cavium, Inc. + "^cct,.*": + description: Crystal Clear Technology Sdn. Bhd. "^cdns,.*": description: Cadence Design Systems Inc. "^cdtech,.*": @@ -529,6 +531,8 @@ patternProperties: description: FX Technology Ltd. "^galaxycore,.*": description: GalaxyCore Inc. + "^gameforce,.*": + description: GameForce "^gardena,.*": description: GARDENA GmbH "^gateway,.*": diff --git a/Documentation/gpu/amdgpu/debugging.rst b/Documentation/gpu/amdgpu/debugging.rst new file mode 100644 index 000000000000..e75f97d0e4ea --- /dev/null +++ b/Documentation/gpu/amdgpu/debugging.rst @@ -0,0 +1,80 @@ +=============== + GPU Debugging +=============== + +GPUVM Debugging +=============== + +To aid in debugging GPU virtual memory related problems, the driver supports a +number of options module parameters: + +`vm_fault_stop` - If non-0, halt the GPU memory controller on a GPU page fault. + +`vm_update_mode` - If non-0, use the CPU to update GPU page tables rather than +the GPU. + + +Decoding a GPUVM Page Fault +=========================== + +If you see a GPU page fault in the kernel log, you can decode it to figure +out what is going wrong in your application. A page fault in your kernel +log may look something like this: + +:: + + [gfxhub0] no-retry page fault (src_id:0 ring:24 vmid:3 pasid:32777, for process glxinfo pid 2424 thread glxinfo:cs0 pid 2425) + in page starting at address 0x0000800102800000 from IH client 0x1b (UTCL2) + VM_L2_PROTECTION_FAULT_STATUS:0x00301030 + Faulty UTCL2 client ID: TCP (0x8) + MORE_FAULTS: 0x0 + WALKER_ERROR: 0x0 + PERMISSION_FAULTS: 0x3 + MAPPING_ERROR: 0x0 + RW: 0x0 + +First you have the memory hub, gfxhub and mmhub. gfxhub is the memory +hub used for graphics, compute, and sdma on some chips. mmhub is the +memory hub used for multi-media and sdma on some chips. + +Next you have the vmid and pasid. If the vmid is 0, this fault was likely +caused by the kernel driver or firmware. If the vmid is non-0, it is generally +a fault in a user application. The pasid is used to link a vmid to a system +process id. If the process is active when the fault happens, the process +information will be printed. + +The GPU virtual address that caused the fault comes next. + +The client ID indicates the GPU block that caused the fault. +Some common client IDs: + +- CB/DB: The color/depth backend of the graphics pipe +- CPF: Command Processor Frontend +- CPC: Command Processor Compute +- CPG: Command Processor Graphics +- TCP/SQC/SQG: Shaders +- SDMA: SDMA engines +- VCN: Video encode/decode engines +- JPEG: JPEG engines + +PERMISSION_FAULTS describe what faults were encountered: + +- bit 0: the PTE was not valid +- bit 1: the PTE read bit was not set +- bit 2: the PTE write bit was not set +- bit 3: the PTE execute bit was not set + +Finally, RW, indicates whether the access was a read (0) or a write (1). + +In the example above, a shader (cliend id = TCP) generated a read (RW = 0x0) to +an invalid page (PERMISSION_FAULTS = 0x3) at GPU virtual address +0x0000800102800000. The user can then inspect their shader code and resource +descriptor state to determine what caused the GPU page fault. + +UMR +=== + +`umr <https://gitlab.freedesktop.org/tomstdenis/umr>`_ is a general purpose +GPU debugging and diagnostics tool. Please see the umr +`documentation <https://umr.readthedocs.io/en/main/>`_ for more information +about its capabilities. diff --git a/Documentation/gpu/amdgpu/display/display-contributing.rst b/Documentation/gpu/amdgpu/display/display-contributing.rst index fdb2bea01d53..36f3077eee00 100644 --- a/Documentation/gpu/amdgpu/display/display-contributing.rst +++ b/Documentation/gpu/amdgpu/display/display-contributing.rst @@ -135,7 +135,7 @@ Enable underlay --------------- AMD display has this feature called underlay (which you can read more about at -'Documentation/GPU/amdgpu/display/mpo-overview.rst') which is intended to +'Documentation/gpu/amdgpu/display/mpo-overview.rst') which is intended to save power when playing a video. The basic idea is to put a video in the underlay plane at the bottom and the desktop in the plane above it with a hole in the video area. This feature is enabled in ChromeOS, and from our data diff --git a/Documentation/gpu/amdgpu/index.rst b/Documentation/gpu/amdgpu/index.rst index 912e699fd373..847e04924030 100644 --- a/Documentation/gpu/amdgpu/index.rst +++ b/Documentation/gpu/amdgpu/index.rst @@ -15,4 +15,5 @@ Next (GCN), Radeon DNA (RDNA), and Compute DNA (CDNA) architectures. ras thermal driver-misc + debugging amdgpu-glossary diff --git a/Documentation/gpu/driver-uapi.rst b/Documentation/gpu/driver-uapi.rst index e5070a0e95ab..971cdb4816fc 100644 --- a/Documentation/gpu/driver-uapi.rst +++ b/Documentation/gpu/driver-uapi.rst @@ -18,6 +18,11 @@ VM_BIND / EXEC uAPI .. kernel-doc:: include/uapi/drm/nouveau_drm.h +drm/panthor uAPI +================ + +.. kernel-doc:: include/uapi/drm/panthor_drm.h + drm/xe uAPI =========== diff --git a/Documentation/gpu/panfrost.rst b/Documentation/gpu/panfrost.rst index b80e41f4b2c5..51ba375fd80d 100644 --- a/Documentation/gpu/panfrost.rst +++ b/Documentation/gpu/panfrost.rst @@ -38,3 +38,12 @@ the currently possible format options: Possible `drm-engine-` key names are: `fragment`, and `vertex-tiler`. `drm-curfreq-` values convey the current operating frequency for that engine. + +Users must bear in mind that engine and cycle sampling are disabled by default, +because of power saving concerns. `fdinfo` users and benchmark applications which +query the fdinfo file must make sure to toggle the job profiling status of the +driver by writing into the appropriate sysfs node:: + + echo <N> > /sys/bus/platform/drivers/panfrost/[a-f0-9]*.gpu/profiling + +Where `N` is either `0` or `1`, depending on the desired enablement status. |