diff options
Diffstat (limited to 'Documentation/gpu')
24 files changed, 1815 insertions, 64 deletions
diff --git a/Documentation/gpu/amdgpu/amd-hardware-list-info.rst b/Documentation/gpu/amdgpu/amd-hardware-list-info.rst new file mode 100644 index 000000000000..1786544fe7c1 --- /dev/null +++ b/Documentation/gpu/amdgpu/amd-hardware-list-info.rst @@ -0,0 +1,23 @@ +================================================= + AMD Hardware Components Information per Product +================================================= + +On this page, you can find the AMD product name and which component version is +part of it. + +Accelerated Processing Units (APU) Info +--------------------------------------- + +.. csv-table:: + :header-rows: 1 + :widths: 3, 2, 2, 1, 1, 1, 1 + :file: ./apu-asic-info-table.csv + +Discrete GPU Info +----------------- + +.. csv-table:: + :header-rows: 1 + :widths: 3, 2, 2, 1, 1, 1 + :file: ./dgpu-asic-info-table.csv + diff --git a/Documentation/gpu/amdgpu/amdgpu-glossary.rst b/Documentation/gpu/amdgpu/amdgpu-glossary.rst index 1e9283e076ba..30812d9d53c6 100644 --- a/Documentation/gpu/amdgpu/amdgpu-glossary.rst +++ b/Documentation/gpu/amdgpu/amdgpu-glossary.rst @@ -12,18 +12,39 @@ we have a dedicated glossary for Display Core at The number of CUs that are active on the system. The number of active CUs may be less than SE * SH * CU depending on the board configuration. + BACO + Bus Alive, Chip Off + + BOCO + Bus Off, Chip Off + CE Constant Engine + CIK + Sea Islands + + CB + Color Buffer + CP Command Processor CPLIB Content Protection Library + CS + Command Submission + + CSB + Clear State Indirect Buffer + CU Compute Unit + DB + Depth Buffer + DFS Digital Frequency Synthesizer @@ -33,6 +54,9 @@ we have a dedicated glossary for Display Core at EOP End Of Pipe/Pipeline + FLR + Function Level Reset + GART Graphics Address Remapping Table. This is the name we use for the GPUVM page table used by the GPU kernel driver. It remaps system resources @@ -45,6 +69,12 @@ we have a dedicated glossary for Display Core at GC Graphics and Compute + GDS + Global Data Share + + GE + Geometry Engine + GMC Graphic Memory Controller @@ -80,6 +110,9 @@ we have a dedicated glossary for Display Core at KCQ Kernel Compute Queue + KFD + Kernel Fusion Driver + KGQ Kernel Graphics Queue @@ -89,6 +122,9 @@ we have a dedicated glossary for Display Core at MC Memory Controller + MCBP + Mid Command Buffer Preemption + ME MicroEngine (Graphics) @@ -104,6 +140,9 @@ we have a dedicated glossary for Display Core at MQD Memory Queue Descriptor + PA + Primitive Assembler / Physical Address + PFP Pre-Fetch Parser (Graphics) @@ -113,24 +152,39 @@ we have a dedicated glossary for Display Core at PSP Platform Security Processor + RB + Render Backends. Some people called it ROPs. + RLC RunList Controller. This name is a remnant of past ages and doesn't have much meaning today. It's a group of general-purpose helper engines for the GFX block. It's involved in GFX power management and SR-IOV, among other things. + SC + Scan Converter + SDMA System DMA SE Shader Engine + SGPR + Scalar General-Purpose Registers + SH SHader array + SI + Southern Islands + SMU/SMC System Management Unit / System Management Controller + SPI (AMDGPU) + Shader Processor Input + SRLC Save/Restore List Control @@ -143,12 +197,21 @@ we have a dedicated glossary for Display Core at SS Spread Spectrum + SX + Shader Export + TA Trusted Application + TC + Texture Cache + TOC Table of Contents + UMSCH + User Mode Scheduler + UVD Unified Video Decoder @@ -158,5 +221,17 @@ we have a dedicated glossary for Display Core at VCN Video Codec Next + VGPR + Vector General-Purpose Registers + + VMID + Virtual Memory ID + VPE Video Processing Engine + + XCC + Accelerator Core Complex + + XCP + Accelerator Core Partition diff --git a/Documentation/gpu/amdgpu/apu-asic-info-table.csv b/Documentation/gpu/amdgpu/apu-asic-info-table.csv index 5dd4b8762d19..1d50b539677f 100644 --- a/Documentation/gpu/amdgpu/apu-asic-info-table.csv +++ b/Documentation/gpu/amdgpu/apu-asic-info-table.csv @@ -13,3 +13,5 @@ Ryzen 7x20 series, Mendocino, 3.1.6, 10.3.7, 3.1.1, 5.2.7, 13.0.8 Ryzen 7x40 series, Phoenix, 3.1.4, 11.0.1 / 11.0.4, 4.0.2, 6.0.1, 13.0.4 / 13.0.11 Ryzen 8x40 series, Hawk Point, 3.1.4, 11.0.1 / 11.0.4, 4.0.2, 6.0.1, 13.0.4 / 13.0.11 Ryzen AI 300 series, Strix Point, 3.5.0, 11.5.0, 4.0.5, 6.1.0, 14.0.0 +Ryzen AI 350 series, Krackan Point, 3.5.0, 11.5.2, 4.0.5, 6.1.2, 14.0.4 +Ryzen AI Max 300 series, Strix Halo, 3.5.1, 11.5.1, 4.0.6, 6.1.1, 14.0.1 diff --git a/Documentation/gpu/amdgpu/debugfs.rst b/Documentation/gpu/amdgpu/debugfs.rst new file mode 100644 index 000000000000..5150d0a95658 --- /dev/null +++ b/Documentation/gpu/amdgpu/debugfs.rst @@ -0,0 +1,210 @@ +============== +AMDGPU DebugFS +============== + +The amdgpu driver provides a number of debugfs files to aid in debugging +issues in the driver. These are usually found in +/sys/kernel/debug/dri/<num>. + +DebugFS Files +============= + +amdgpu_benchmark +---------------- + +Run benchmarks using the DMA engine the driver uses for GPU memory paging. +Write a number to the file to run the test. The results are written to the +kernel log. VRAM is on device memory (dGPUs) or carve out (APUs) and GTT +(Graphics Translation Tables) is system memory that is accessible by the GPU. +The following tests are available: + +- 1: simple test, VRAM to GTT and GTT to VRAM +- 2: simple test, VRAM to VRAM +- 3: GTT to VRAM, buffer size sweep, powers of 2 +- 4: VRAM to GTT, buffer size sweep, powers of 2 +- 5: VRAM to VRAM, buffer size sweep, powers of 2 +- 6: GTT to VRAM, buffer size sweep, common display sizes +- 7: VRAM to GTT, buffer size sweep, common display sizes +- 8: VRAM to VRAM, buffer size sweep, common display sizes + +amdgpu_test_ib +-------------- + +Read this file to run simple IB (Indirect Buffer) tests on all kernel managed +rings. IBs are command buffers usually generated by userspace applications +which are submitted to the kernel for execution on an particular GPU engine. +This just runs the simple IB tests included in the kernel. These tests +are engine specific and verify that IB submission works. + +amdgpu_discovery +---------------- + +Provides raw access to the IP discovery binary provided by the GPU. Read this +file to access the raw binary. This is useful for verifying the contents of +the IP discovery table. It is chip specific. + +amdgpu_vbios +------------ + +Provides raw access to the ROM binary image from the GPU. Read this file to +access the raw binary. This is useful for verifying the contents of the +video BIOS ROM. It is board specific. + +amdgpu_evict_gtt +---------------- + +Evict all buffers from the GTT memory pool. Read this file to evict all +buffers from this pool. + +amdgpu_evict_vram +----------------- + +Evict all buffers from the VRAM memory pool. Read this file to evict all +buffers from this pool. + +amdgpu_gpu_recover +------------------ + +Trigger a GPU reset. Read this file to trigger reset the entire GPU. +All work currently running on the GPU will be lost. + +amdgpu_ring_<name> +------------------ + +Provides read access to the kernel managed ring buffers for each ring <name>. +These are useful for debugging problems on a particular ring. The ring buffer +is how the CPU sends commands to the GPU. The CPU writes commands into the +buffer and then asks the GPU engine to process it. This is the raw binary +contents of the ring buffer. Use a tool like UMR to decode the rings into human +readable form. + +amdgpu_mqd_<name> +----------------- + +Provides read access to the kernel managed MQD (Memory Queue Descriptor) for +ring <name> managed by the kernel driver. MQDs define the features of the ring +and are used to store the ring's state when it is not connected to hardware. +The driver writes the requested ring features and metadata (GPU addresses of +the ring itself and associated buffers) to the MQD and the firmware uses the MQD +to populate the hardware when the ring is mapped to a hardware slot. Only +available on engines which use MQDs. This provides access to the raw MQD +binary. + +amdgpu_error_<name> +------------------- + +Provides an interface to set an error code on the dma fences associated with +ring <name>. The error code specified is propogated to all fences associated +with the ring. Use this to inject a fence error into a ring. + +amdgpu_pm_info +-------------- + +Provides human readable information about the power management features +and state of the GPU. This includes current GFX clock, Memory clock, +voltages, average SoC power, temperature, GFX load, Memory load, SMU +feature mask, VCN power state, clock and power gating features. + +amdgpu_firmware_info +-------------------- + +Lists the firmware versions for all firmwares used by the GPU. Only +entries with a non-0 version are valid. If the version is 0, the firmware +is not valid for the GPU. + +amdgpu_fence_info +----------------- + +Shows the last signalled and emitted fence sequence numbers for each +kernel driver managed ring. Fences are associated with submissions +to the engine. Emitted fences have been submitted to the ring +and signalled fences have been signalled by the GPU. Rings with a +larger emitted fence value have outstanding work that is still being +processed by the engine that owns that ring. When the emitted and +signalled fence values are equal, the ring is idle. + +amdgpu_gem_info +--------------- + +Lists all of the PIDs using the GPU and the GPU buffers that they have +allocated. This lists the buffer size, pool (VRAM, GTT, etc.), and buffer +attributes (CPU access required, CPU cache attributes, etc.). + +amdgpu_vm_info +-------------- + +Lists all of the PIDs using the GPU and the GPU buffers that they have +allocated as well as the status of those buffers relative to that process' +GPU virtual address space (e.g., evicted, idle, invalidated, etc.). + +amdgpu_sa_info +-------------- + +Prints out all of the suballocations (sa) by the suballocation manager in the +kernel driver. Prints the GPU address, size, and fence info associated +with each suballocation. The suballocations are used internally within +the kernel driver for various things. + +amdgpu_<pool>_mm +---------------- + +Prints TTM information about the memory pool <pool>. + +amdgpu_vram +----------- + +Provides direct access to VRAM. Used by tools like UMR to inspect +objects in VRAM. + +amdgpu_iomem +------------ + +Provides direct access to GTT memory. Used by tools like UMR to inspect +GTT memory. + +amdgpu_regs_* +------------- + +Provides direct access to various register aperatures on the GPU. Used +by tools like UMR to access GPU registers. + +amdgpu_regs2 +------------ + +Provides an IOCTL interface used by UMR for interacting with GPU registers. + + +amdgpu_sensors +-------------- + +Provides an interface to query GPU power metrics (temperature, average +power, etc.). Used by tools like UMR to query GPU power metrics. + + +amdgpu_gca_config +----------------- + +Provides an interface to query GPU details (Graphics/Compute Array config, +PCI config, GPU family, etc.). Used by tools like UMR to query GPU details. + +amdgpu_wave +----------- + +Used to query GFX/compute wave information from the hardware. Used by tools +like UMR to query GFX/compute wave information. + +amdgpu_gpr +---------- + +Used to query GFX/compute GPR (General Purpose Register) information from the +hardware. Used by tools like UMR to query GPRs when debugging shaders. + +amdgpu_gprwave +-------------- + +Provides an IOCTL interface used by UMR for interacting with shader waves. + +amdgpu_fw_attestation +--------------------- + +Provides an interface for reading back firmware attestation records. diff --git a/Documentation/gpu/amdgpu/debugging.rst b/Documentation/gpu/amdgpu/debugging.rst index e75f97d0e4ea..7cbfea0606e1 100644 --- a/Documentation/gpu/amdgpu/debugging.rst +++ b/Documentation/gpu/amdgpu/debugging.rst @@ -2,6 +2,13 @@ GPU Debugging =============== +General Debugging Options +========================= + +The DebugFS section provides documentation on a number files to aid in debugging +issues on the GPU. + + GPUVM Debugging =============== diff --git a/Documentation/gpu/amdgpu/display/dc-debug.rst b/Documentation/gpu/amdgpu/display/dc-debug.rst index 013f63b271f3..605dca21f4ae 100644 --- a/Documentation/gpu/amdgpu/display/dc-debug.rst +++ b/Documentation/gpu/amdgpu/display/dc-debug.rst @@ -154,7 +154,7 @@ of the display parameters, but the userspace might also cause this issue. One way to identify the source of the problem is to take a screenshot or make a desktop video capture when the problem happens; after checking the screenshot/video recording, if you don't see any of the artifacts, it means -that the issue is likely on the the driver side. If you can still see the +that the issue is likely on the driver side. If you can still see the problem in the data collected, it is an issue that probably happened during rendering, and the display code just got the framebuffer already corrupted. diff --git a/Documentation/gpu/amdgpu/driver-core.rst b/Documentation/gpu/amdgpu/driver-core.rst index 32723a925377..81256318e93c 100644 --- a/Documentation/gpu/amdgpu/driver-core.rst +++ b/Documentation/gpu/amdgpu/driver-core.rst @@ -67,36 +67,66 @@ GC (Graphics and Compute) This is the graphics and compute engine, i.e., the block that encompasses the 3D pipeline and and shader blocks. This is by far the largest block on the GPU. The 3D pipeline has tons of sub-blocks. In - addition to that, it also contains the CP microcontrollers (ME, PFP, - CE, MEC) and the RLC microcontroller. It's exposed to userspace for - user mode drivers (OpenGL, Vulkan, OpenCL, etc.) + addition to that, it also contains the CP microcontrollers (ME, PFP, CE, + MEC) and the RLC microcontroller. It's exposed to userspace for user mode + drivers (OpenGL, Vulkan, OpenCL, etc.). More details in :ref:`Graphics (GFX) + and Compute <amdgpu-gc>`. VCN (Video Core Next) This is the multi-media engine. It handles video and image encode and decode. It's exposed to userspace for user mode drivers (VA-API, OpenMAX, etc.) -Graphics and Compute Microcontrollers -------------------------------------- - -CP (Command Processor) - The name for the hardware block that encompasses the front end of the - GFX/Compute pipeline. Consists mainly of a bunch of microcontrollers - (PFP, ME, CE, MEC). The firmware that runs on these microcontrollers - provides the driver interface to interact with the GFX/Compute engine. - - MEC (MicroEngine Compute) - This is the microcontroller that controls the compute queues on the - GFX/compute engine. - - MES (MicroEngine Scheduler) - This is a new engine for managing queues. This is currently unused. - -RLC (RunList Controller) - This is another microcontroller in the GFX/Compute engine. It handles - power management related functionality within the GFX/Compute engine. - The name is a vestige of old hardware where it was originally added - and doesn't really have much relation to what the engine does now. +.. _pipes-and-queues-description: + +GFX, Compute, and SDMA Overall Behavior +======================================= + +.. note:: For simplicity, whenever the term block is used in this section, it + means GFX, Compute, and SDMA. + +GFX, Compute and SDMA share a similar form of operation that can be abstracted +to facilitate understanding of the behavior of these blocks. See the figure +below illustrating the common components of these blocks: + +.. kernel-figure:: pipe_and_queue_abstraction.svg + +In the central part of this figure, you can see two hardware elements, one called +**Pipes** and another called **Queues**; it is important to highlight that Queues +must be associated with a Pipe and vice-versa. Every specific hardware IP may have +a different number of Pipes and, in turn, a different number of Queues; for +example, GFX 11 has two Pipes and two Queues per Pipe for the GFX front end. + +Pipe is the hardware that processes the instructions available in the Queues; +in other words, it is a thread executing the operations inserted in the Queue. +One crucial characteristic of Pipes is that they can only execute one Queue at +a time; no matter if the hardware has multiple Queues in the Pipe, it only runs +one Queue per Pipe. + +Pipes have the mechanics of swapping between queues at the hardware level. +Nonetheless, they only make use of Queues that are considered mapped. Pipes can +switch between queues based on any of the following inputs: + +1. Command Stream; +2. Packet by Packet; +3. Other hardware requests the change (e.g., MES). + +Queues within Pipes are defined by the Hardware Queue Descriptors (HQD). +Associated with the HQD concept, we have the Memory Queue Descriptor (MQD), +which is responsible for storing information about the state of each of the +available Queues in the memory. The state of a Queue contains information such +as the GPU virtual address of the queue itself, save areas, doorbell, etc. The +MQD also stores the HQD registers, which are vital for activating or +deactivating a given Queue. The scheduling firmware (e.g., MES) is responsible +for loading HQDs from MQDs and vice versa. + +The Queue-switching process can also happen with the firmware requesting the +preemption or unmapping of a Queue. The firmware waits for the HQD_ACTIVE bit +to change to low before saving the state into the MQD. To make a different +Queue become active, the firmware copies the MQD state into the HQD registers +and loads any additional state. Finally, it sets the HQD_ACTIVE bit to high to +indicate that the queue is active. The Pipe will then execute work from active +Queues. Driver Structure ================ @@ -110,7 +140,8 @@ Some useful constructs: KIQ (Kernel Interface Queue) This is a control queue used by the kernel driver to manage other gfx and compute queues on the GFX/compute engine. You can use it to - map/unmap additional queues, etc. + map/unmap additional queues, etc. This is replaced by MES on + GFX 11 and newer hardware. IB (Indirect Buffer) A command buffer for a particular engine. Rather than writing diff --git a/Documentation/gpu/amdgpu/driver-misc.rst b/Documentation/gpu/amdgpu/driver-misc.rst index e40e15f89fd3..25b0c857816e 100644 --- a/Documentation/gpu/amdgpu/driver-misc.rst +++ b/Documentation/gpu/amdgpu/driver-misc.rst @@ -50,23 +50,6 @@ board_info .. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c :doc: board_info -Accelerated Processing Units (APU) Info ---------------------------------------- - -.. csv-table:: - :header-rows: 1 - :widths: 3, 2, 2, 1, 1, 1, 1 - :file: ./apu-asic-info-table.csv - -Discrete GPU Info ------------------ - -.. csv-table:: - :header-rows: 1 - :widths: 3, 2, 2, 1, 1, 1 - :file: ./dgpu-asic-info-table.csv - - GPU Memory Usage Information ============================ diff --git a/Documentation/gpu/amdgpu/gc/index.rst b/Documentation/gpu/amdgpu/gc/index.rst new file mode 100644 index 000000000000..ff6e9ef5cbee --- /dev/null +++ b/Documentation/gpu/amdgpu/gc/index.rst @@ -0,0 +1,52 @@ +.. _amdgpu-gc: + +======================================== + drm/amdgpu - Graphics and Compute (GC) +======================================== + +The relationship between the CPU and GPU can be described as the +producer-consumer problem, where the CPU fills out a buffer with operations +(producer) to be executed by the GPU (consumer). The requested operations in +the buffer are called Command Packets, which can be summarized as a compressed +way of transmitting command information to the graphics controller. + +The component that acts as the front end between the CPU and the GPU is called +the Command Processor (CP). This component is responsible for providing greater +flexibility to the GC since CP makes it possible to program various aspects of +the GPU pipeline. CP also coordinates the communication between the CPU and GPU +via a mechanism named **Ring Buffers**, where the CPU appends information to +the buffer while the GPU removes operations. It is relevant to highlight that a +CPU can add a pointer to the Ring Buffer that points to another region of +memory outside the Ring Buffer, and CP can handle it; this mechanism is called +**Indirect Buffer (IB)**. CP receives and parses the Command Streams (CS), and +writes the operations to the correct hardware blocks. + +Graphics (GFX) and Compute Microcontrollers +------------------------------------------- + +GC is a large block, and as a result, it has multiple firmware associated with +it. Some of them are: + +CP (Command Processor) + The name for the hardware block that encompasses the front end of the + GFX/Compute pipeline. Consists mainly of a bunch of microcontrollers + (PFP, ME, CE, MEC). The firmware that runs on these microcontrollers + provides the driver interface to interact with the GFX/Compute engine. + + MEC (MicroEngine Compute) + This is the microcontroller that controls the compute queues on the + GFX/compute engine. + + MES (MicroEngine Scheduler) + This is the engine for managing queues. For more details check + :ref:`MicroEngine Scheduler (MES) <amdgpu-mes>`. + +RLC (RunList Controller) + This is another microcontroller in the GFX/Compute engine. It handles + power management related functionality within the GFX/Compute engine. + The name is a vestige of old hardware where it was originally added + and doesn't really have much relation to what the engine does now. + +.. toctree:: + + mes.rst diff --git a/Documentation/gpu/amdgpu/gc/mes.rst b/Documentation/gpu/amdgpu/gc/mes.rst new file mode 100644 index 000000000000..b99eb211b179 --- /dev/null +++ b/Documentation/gpu/amdgpu/gc/mes.rst @@ -0,0 +1,38 @@ +.. _amdgpu-mes: + +============================= + MicroEngine Scheduler (MES) +============================= + +.. note:: + Queue and ring buffer are used as a synonymous. + +.. note:: + This section assumes that you are familiar with the concept of Pipes, Queues, and GC. + If not, check :ref:`GFX, Compute, and SDMA Overall Behavior<pipes-and-queues-description>` + and :ref:`drm/amdgpu - Graphics and Compute (GC) <amdgpu-gc>`. + +Every GFX has a pipe component with one or more hardware queues. Pipes can +switch between queues depending on certain conditions, and one of the +components that can request a queue switch to a pipe is the MicroEngine +Scheduler (MES). Whenever the driver is initialized, it creates one MQD per +hardware queue, and then the MQDs are handed to the MES firmware for mapping +to: + +1. Kernel Queues (legacy): This queue is statically mapped to HQDs and never + preempted. Even though this is a legacy feature, it is the current default, and + most existing hardware supports it. When an application submits work to the + kernel driver, it submits all of the application command buffers to the kernel + queues. The CS IOCTL takes the command buffer from the applications and + schedules them on the kernel queue. + +2. User Queues: These queues are dynamically mapped to the HQDs. Regarding the + utilization of User Queues, the userspace application will create its user + queues and submit work directly to its user queues with no need to IOCTL for + each submission and no need to share a single kernel queue. + +In terms of User Queues, MES can dynamically map them to the HQD. If there are +more MQDs than HQDs, the MES firmware will preempt other user queues to make +sure each queues get a time slice; in other words, MES is a microcontroller +that handles the mapping and unmapping of MQDs into HQDs, as well as the +priorities and oversubscription of MQDs. diff --git a/Documentation/gpu/amdgpu/index.rst b/Documentation/gpu/amdgpu/index.rst index 302d039928ee..bb2894b5edaf 100644 --- a/Documentation/gpu/amdgpu/index.rst +++ b/Documentation/gpu/amdgpu/index.rst @@ -7,8 +7,10 @@ Next (GCN), Radeon DNA (RDNA), and Compute DNA (CDNA) architectures. .. toctree:: - module-parameters driver-core + amd-hardware-list-info + module-parameters + gc/index display/index flashing xgmi @@ -16,5 +18,6 @@ Next (GCN), Radeon DNA (RDNA), and Compute DNA (CDNA) architectures. thermal driver-misc debugging + debugfs process-isolation amdgpu-glossary diff --git a/Documentation/gpu/amdgpu/pipe_and_queue_abstraction.svg b/Documentation/gpu/amdgpu/pipe_and_queue_abstraction.svg new 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x="97.905846" + y="44.725101" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan68">Hardware Block</tspan></text> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;writing-mode:vertical-lr;text-orientation:upright;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="236.36934" + y="112.10503" + id="text68-7"><tspan + sodipodi:role="line" + x="236.36934" + y="112.10503" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;writing-mode:vertical-lr;text-orientation:upright;text-anchor:middle;stroke-width:0.0690111" + id="tspan68-4">EXECUTION</tspan></text> + <rect + style="fill:#1a1a1a;fill-opacity:0;stroke:#000000;stroke-width:0.940575;stroke-dasharray:7.5246, 0.940575;stroke-dashoffset:0" + id="rect68-1" + width="68.749969" + height="141.2751" + x="-129.49162" + y="37.881134" + ry="0" /> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-114.4223" + y="44.966106" + id="text68-2"><tspan + sodipodi:role="line" + x="-114.4223" + y="44.966106" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan68-9">Memory</tspan></text> + <text + xml:space="preserve" + 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style="fill:#1a1a1a;fill-opacity:0;stroke:#000000;stroke-width:1.25;stroke-dasharray:none;stroke-dashoffset:0;marker-end:url(#ArrowWideHeavy)" + d="M 190.40199,70.278769 H 224.6663" + id="path75" /> + </g> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:6.35px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="205.12828" + y="100.83664" + id="text76"><tspan + sodipodi:role="line" + x="205.12828" + y="100.83664" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:6.35px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan75">e.g.,:</tspan><tspan + sodipodi:role="line" + x="205.12828" + y="108.77414" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:6.35px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan76">queue[4]</tspan></text> + <g + id="g77" + transform="translate(0,85.725048)"> + <path + style="font-weight:bold;font-size:16.9333px;line-height:1.25;-inkscape-font-specification:'sans-serif Bold';text-align:center;letter-spacing:0px;word-spacing:0px;text-anchor:middle;stroke-width:0.0690111" + d="m 185.24734,83.96512 h 1.28693 c 1.20226,0.01693 2.09973,-1.015998 2.0828,-2.370662 v -9.393759 c -0.0169,-0.711199 0.33866,-1.066798 1.10066,-1.066798 h 0.2032 0.0677 v -1.557864 c -1.0668,0.01693 -1.38853,-0.270933 -1.37159,-1.236131 V 58.96308 c 0.0339,-1.354664 -0.88054,-2.387595 -2.0828,-2.370662 h -1.28693 v 1.676397 h 0.62653 c 0.57573,0 0.77893,0.321733 0.762,1.100664 v 9.122827 c 0,1.219198 0.44027,1.710263 1.64253,1.862663 -1.20226,0.135466 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id="tspan77">e.g.,:</tspan><tspan + sodipodi:role="line" + x="205.12828" + y="153.75308" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:6.35px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan78">queue[n]</tspan></text> + <g + id="g81"> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-18.502264" + y="65.642387" + id="text79"><tspan + sodipodi:role="line" + x="-18.502264" + y="65.642387" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;fill:#800000;stroke-width:0.0690111" + id="tspan79">HQD</tspan></text> + <ellipse + style="fill:#800000;fill-opacity:0;stroke:#800000;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0" + id="path79" + cx="-18.407015" + cy="63.2188" + rx="13.317666" + ry="4.4124799" /> + <path + style="fill:#800000;fill-opacity:0;stroke:#800000;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0;marker-end:url(#Triangle)" + d="M -4.6361224,63.2188 H 10.606988" + id="path80" /> + </g> + <g + id="g82" + transform="translate(0,14.287503)"> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-18.502264" + y="65.642387" + id="text81"><tspan + sodipodi:role="line" + x="-18.502264" + y="65.642387" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;fill:#800000;stroke-width:0.0690111" + id="tspan81">HQD</tspan></text> + <ellipse + style="fill:#800000;fill-opacity:0;stroke:#800000;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0" + id="ellipse81" + cx="-18.407015" + cy="63.2188" + rx="13.317666" + ry="4.4124799" /> + <path + style="fill:#800000;fill-opacity:0;stroke:#800000;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0;marker-end:url(#Triangle)" + d="M -4.6361224,63.2188 H 10.606988" + id="path81" /> + </g> + <g + id="g83" + transform="translate(0,40.745853)"> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-18.502264" + y="65.642387" + id="text82"><tspan + sodipodi:role="line" + x="-18.502264" + y="65.642387" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;fill:#800000;stroke-width:0.0690111" + id="tspan82">HQD</tspan></text> + <ellipse + style="fill:#800000;fill-opacity:0;stroke:#800000;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0" + id="ellipse82" + cx="-18.407015" + cy="63.2188" + rx="13.317666" + ry="4.4124799" /> + <path + style="fill:#800000;fill-opacity:0;stroke:#800000;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0;marker-end:url(#Triangle)" + d="M -4.6361224,63.2188 H 10.606988" + id="path82" /> + </g> + <g + id="g84" + transform="translate(0,55.033362)"> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-18.502264" + y="65.642387" + id="text83"><tspan + sodipodi:role="line" + x="-18.502264" + y="65.642387" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;fill:#800000;stroke-width:0.0690111" + id="tspan83">HQD</tspan></text> + <ellipse + style="fill:#800000;fill-opacity:0;stroke:#800000;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0" + id="ellipse83" + cx="-18.407015" + cy="63.2188" + rx="13.317666" + ry="4.4124799" /> + <path + style="fill:#800000;fill-opacity:0;stroke:#800000;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0;marker-end:url(#Triangle)" + d="M -4.6361224,63.2188 H 10.606988" + id="path83" /> + </g> + <g + id="g85" + transform="translate(0,85.195881)"> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-18.502264" + y="65.642387" + id="text84"><tspan + sodipodi:role="line" + x="-18.502264" + y="65.642387" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;fill:#800000;stroke-width:0.0690111" + id="tspan84">HQD</tspan></text> + <ellipse + style="fill:#800000;fill-opacity:0;stroke:#800000;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0" + id="ellipse84" + cx="-18.407015" + cy="63.2188" + rx="13.317666" + ry="4.4124799" /> + <path + style="fill:#800000;fill-opacity:0;stroke:#800000;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0;marker-end:url(#Triangle)" + d="M -4.6361224,63.2188 H 10.606988" + id="path84" /> + </g> + <g + id="g86" + transform="translate(0,99.48339)"> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-18.502264" + y="65.642387" + id="text85"><tspan + sodipodi:role="line" + x="-18.502264" + y="65.642387" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;fill:#800000;stroke-width:0.0690111" + id="tspan85">HQD</tspan></text> + <ellipse + style="fill:#800000;fill-opacity:0;stroke:#800000;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0" + id="ellipse85" + cx="-18.407015" + cy="63.2188" + rx="13.317666" + ry="4.4124799" /> + <path + style="fill:#800000;fill-opacity:0;stroke:#800000;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0;marker-end:url(#Triangle)" + d="M -4.6361224,63.2188 H 10.606988" + id="path85" /> + </g> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:5.64444px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-35.2131" + y="54.673237" + id="text86"><tspan + sodipodi:role="line" + x="-35.2131" + y="54.673237" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:5.64444px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan86">Registers</tspan></text> + <path + style="fill:#800000;fill-opacity:0;stroke:#1a1a1a;stroke-width:1;stroke-dasharray:1, 1;stroke-dashoffset:0;marker-end:url(#ArrowWide)" + d="m -45.247972,57.442462 v 5.888987 h 11.344412" + id="path86" + sodipodi:nodetypes="ccc" /> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-74.441521" + y="82.441582" + id="text87"><tspan + sodipodi:role="line" + x="-74.441521" + y="82.441582" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan87">MQD</tspan></text> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-74.441521" + y="99.240776" + id="text88"><tspan + sodipodi:role="line" + x="-74.441521" + y="99.240776" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan88">MQD</tspan></text> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-74.441521" + y="116.03998" + id="text89"><tspan + sodipodi:role="line" + x="-74.441521" + y="116.03998" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan89">MQD</tspan></text> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-74.441521" + y="132.83917" + id="text90"><tspan + sodipodi:role="line" + x="-74.441521" + y="132.83917" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan90">MQD</tspan></text> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-74.441521" + y="168.3002" + id="text91"><tspan + sodipodi:role="line" + x="-74.441521" + y="168.3002" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan91">MQD</tspan></text> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:10.5833px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-74.441521" + y="148.1461" + id="text92"><tspan + sodipodi:role="line" + x="-74.441521" + y="148.1461" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:10.5833px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;writing-mode:tb-rl;text-anchor:middle;stroke-width:0.0690111" + id="tspan92">...</tspan></text> + <g + id="g97" + transform="translate(-5.8208336)"> + <rect + style="fill:#aaffcc;fill-opacity:1;stroke:#1a1a1a;stroke-width:0.5;stroke-dasharray:none;stroke-dashoffset:0" + id="rect96" + width="58.726093" + height="27.598055" + x="-142.96434" + y="46.852512" /> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:4.23333px;line-height:1.25;font-family:sans-serif;text-align:start;letter-spacing:0px;word-spacing:0px;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-139.74622" + y="52.62756" + id="text93"><tspan + sodipodi:role="line" + x="-139.74622" + y="52.62756" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:4.23333px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:start;text-anchor:start;stroke-width:0.0690111" + id="tspan93">HQD Registers</tspan><tspan + sodipodi:role="line" + x="-139.74622" + y="57.91922" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:4.23333px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:start;text-anchor:start;stroke-width:0.0690111" + id="tspan95">Queue Address in the GPU</tspan><tspan + sodipodi:role="line" + x="-139.74622" + y="63.210884" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:4.23333px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:start;text-anchor:start;stroke-width:0.0690111" + id="tspan96">Doorbell</tspan><tspan + sodipodi:role="line" + x="-139.74622" + y="68.502548" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:4.23333px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:start;text-anchor:start;stroke-width:0.0690111" + id="tspan97">...</tspan><tspan + sodipodi:role="line" + x="-139.74622" + y="73.794212" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:4.23333px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:start;text-anchor:start;stroke-width:0.0690111" + id="tspan94" /></text> + </g> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:4.23333px;line-height:1.25;font-family:sans-serif;text-align:start;letter-spacing:0px;word-spacing:0px;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-61.293022" + y="-19.380915" + id="text93-1"><tspan + sodipodi:role="line" + x="-61.293022" + y="-19.380915" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:4.23333px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan104">SWITCH QUEUE:</tspan><tspan + sodipodi:role="line" + x="-61.293022" + y="-14.089252" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:4.23333px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:start;text-anchor:start;stroke-width:0.0690111" + id="tspan101">WAIT FOR HQD_ACTIVE = 0</tspan><tspan + sodipodi:role="line" + x="-61.293022" + y="-8.7975903" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:4.23333px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:start;text-anchor:start;stroke-width:0.0690111" + id="tspan105">SAVE QUEUE STATE TO THE MQD</tspan><tspan + sodipodi:role="line" + x="-61.293022" + y="-3.505928" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:4.23333px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:start;text-anchor:start;stroke-width:0.0690111" + id="tspan102">COPY NEW MQD STATE</tspan><tspan + sodipodi:role="line" + x="-61.293022" + y="1.7857342" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:4.23333px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:start;text-anchor:start;stroke-width:0.0690111" + id="tspan103">SET HQD_ACTIVE = 1</tspan></text> + <circle + style="fill:#ffeeaa;fill-opacity:1;stroke:#1a1a1a;stroke-width:1.88976;stroke-dasharray:none;stroke-dashoffset:0" + id="path97" + cx="0" + cy="0" + r="0" + transform="matrix(0.26458333,0,0,0.26458333,-149.03517,37.347779)" /> + <text + xml:space="preserve" + style="font-style:normal;font-weight:normal;font-size:5.64444px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.0690111" + x="-36.659206" + y="-44.828983" + id="text106"><tspan + sodipodi:role="line" + x="-36.659206" + y="-44.828983" + style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:5.64444px;font-family:sans-serif;-inkscape-font-specification:'sans-serif Bold';text-align:center;text-anchor:middle;stroke-width:0.0690111" + id="tspan106">Firmware</tspan></text> + <path + style="fill:none;fill-opacity:1;stroke:#1a1a1a;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0;marker-start:url(#marker109);marker-end:url(#ArrowTriangleStylized)" + d="M -84.242601,-9.1838245 H -98.041629 V 33.17598" + id="path106" /> + <path + style="fill:none;fill-opacity:1;stroke:#1a1a1a;stroke-width:1;stroke-dasharray:none;stroke-dashoffset:0;marker-end:url(#Dot)" + d="M 9.9745536,-9.3442784 H 29.549918 V 37.170287" + id="path107" + sodipodi:nodetypes="ccc" /> + </g> +</svg> diff --git a/Documentation/gpu/automated_testing.rst b/Documentation/gpu/automated_testing.rst index 6d7c6086034d..62aa3ede02a5 100644 --- a/Documentation/gpu/automated_testing.rst +++ b/Documentation/gpu/automated_testing.rst @@ -115,6 +115,10 @@ created (eg. https://gitlab.freedesktop.org/janedoe/linux/-/pipelines) 5. The various jobs will be run and when the pipeline is finished, all jobs should be green unless a regression has been found. +6. Warnings in the pipeline indicate that lockdep +(see Documentation/locking/lockdep-design.rst) issues have been detected +during the tests. + How to update test expectations =============================== diff --git a/Documentation/gpu/driver-uapi.rst b/Documentation/gpu/driver-uapi.rst index 971cdb4816fc..1f15a8ca1265 100644 --- a/Documentation/gpu/driver-uapi.rst +++ b/Documentation/gpu/driver-uapi.rst @@ -27,3 +27,8 @@ drm/xe uAPI =========== .. kernel-doc:: include/uapi/drm/xe_drm.h + +drm/asahi uAPI +================ + +.. kernel-doc:: include/uapi/drm/asahi_drm.h diff --git a/Documentation/gpu/drm-kms-helpers.rst b/Documentation/gpu/drm-kms-helpers.rst index b4ee25af1702..5139705089f2 100644 --- a/Documentation/gpu/drm-kms-helpers.rst +++ b/Documentation/gpu/drm-kms-helpers.rst @@ -233,6 +233,21 @@ Panel Self Refresh Helper Reference .. kernel-doc:: drivers/gpu/drm/drm_self_refresh_helper.c :export: +HDMI Atomic State Helpers +========================= + +Overview +-------- + +.. kernel-doc:: drivers/gpu/drm/display/drm_hdmi_state_helper.c + :doc: hdmi helpers + +Functions Reference +------------------- + +.. kernel-doc:: drivers/gpu/drm/display/drm_hdmi_state_helper.c + :export: + HDCP Helper Functions Reference =============================== diff --git a/Documentation/gpu/nouveau.rst b/Documentation/gpu/nouveau.rst index 0f34131ccc27..b8c801e0068c 100644 --- a/Documentation/gpu/nouveau.rst +++ b/Documentation/gpu/nouveau.rst @@ -27,3 +27,6 @@ GSP Support .. kernel-doc:: drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c :doc: GSP message queue element + +.. kernel-doc:: drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h + :doc: GSP message handling policy diff --git a/Documentation/gpu/nova/core/todo.rst b/Documentation/gpu/nova/core/todo.rst index ca08377d3b73..8a459fc08812 100644 --- a/Documentation/gpu/nova/core/todo.rst +++ b/Documentation/gpu/nova/core/todo.rst @@ -102,7 +102,13 @@ Usage: let boot0 = Boot0::read(&bar); pr_info!("Revision: {}\n", boot0.revision()); +Note: a work-in-progress implementation currently resides in +`drivers/gpu/nova-core/regs/macros.rs` and is used in nova-core. It would be +nice to improve it (possibly using proc macros) and move it to the `kernel` +crate so it can be used by other components as well. + | Complexity: Advanced +| Contact: Alexandre Courbot Delay / Sleep abstractions -------------------------- @@ -190,16 +196,6 @@ Rust abstraction for debugfs APIs. | Reference: Export GSP log buffers | Complexity: Intermediate -Vec extensions --------------- - -Implement ``Vec::truncate`` and ``Vec::resize``. - -Currently this is used for some experimental code to parse the vBIOS. - -| Reference vBIOS support -| Complexity: Beginner - GPU (general) ============= diff --git a/Documentation/gpu/rfc/i915_scheduler.rst b/Documentation/gpu/rfc/i915_scheduler.rst index c237ebc024cd..2974525f0ac5 100644 --- a/Documentation/gpu/rfc/i915_scheduler.rst +++ b/Documentation/gpu/rfc/i915_scheduler.rst @@ -26,7 +26,7 @@ i915 with the DRM scheduler is: which configures a slot with N contexts * After I915_CONTEXT_ENGINES_EXT_PARALLEL a user can submit N batches to a slot in a single execbuf IOCTL and the batches run on the GPU in - paralllel + parallel * Initially only for GuC submission but execlists can be supported if needed * Convert the i915 to use the DRM scheduler diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index 256d0d1cb216..c57777a24e03 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -441,14 +441,15 @@ Contact: Thomas Zimmermann <tzimmermann@suse.de> Level: Intermediate -Request memory regions in all drivers -------------------------------------- +Request memory regions in all fbdev drivers +-------------------------------------------- -Go through all drivers and add code to request the memory regions that the -driver uses. This requires adding calls to request_mem_region(), +Old/ancient fbdev drivers do not request their memory properly. +Go through these drivers and add code to request the memory regions +that the driver uses. This requires adding calls to request_mem_region(), pci_request_region() or similar functions. Use helpers for managed cleanup -where possible. - +where possible. Problematic areas include hardware that has exclusive ranges +like VGA. VGA16fb does not request the range as it is expected. Drivers are pretty bad at doing this and there used to be conflicts among DRM and fbdev drivers. Still, it's the correct thing to do. diff --git a/Documentation/gpu/vgaarbiter.rst b/Documentation/gpu/vgaarbiter.rst index bde3c0afb059..d1e953712cc2 100644 --- a/Documentation/gpu/vgaarbiter.rst +++ b/Documentation/gpu/vgaarbiter.rst @@ -11,9 +11,9 @@ Section 7, Legacy Devices. The Resource Access Control (RAC) module inside the X server [0] existed for the legacy VGA arbitration task (besides other bus management tasks) when more -than one legacy device co-exists on the same machine. But the problem happens +than one legacy device co-exist on the same machine. But the problem happens when these devices are trying to be accessed by different userspace clients -(e.g. two server in parallel). Their address assignments conflict. Moreover, +(e.g. two servers in parallel). Their address assignments conflict. Moreover, ideally, being a userspace application, it is not the role of the X server to control bus resources. Therefore an arbitration scheme outside of the X server is needed to control the sharing of these resources. This document introduces @@ -106,7 +106,7 @@ In-kernel interface libpciaccess ------------ -To use the vga arbiter char device it was implemented an API inside the +To use the vga arbiter char device, an API was implemented inside the libpciaccess library. One field was added to struct pci_device (each device on the system):: diff --git a/Documentation/gpu/xe/index.rst b/Documentation/gpu/xe/index.rst index 92cfb25e64d3..b2369561f24e 100644 --- a/Documentation/gpu/xe/index.rst +++ b/Documentation/gpu/xe/index.rst @@ -25,3 +25,4 @@ DG2, etc is provided to prototype the driver. xe_debugging xe_devcoredump xe-drm-usage-stats.rst + xe_configfs diff --git a/Documentation/gpu/xe/xe_configfs.rst b/Documentation/gpu/xe/xe_configfs.rst new file mode 100644 index 000000000000..9b9d941eb20e --- /dev/null +++ b/Documentation/gpu/xe/xe_configfs.rst @@ -0,0 +1,10 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +.. _xe_configfs: + +============ +Xe Configfs +============ + +.. kernel-doc:: drivers/gpu/drm/xe/xe_configfs.c + :doc: Xe Configfs diff --git a/Documentation/gpu/xe/xe_firmware.rst b/Documentation/gpu/xe/xe_firmware.rst index afcb561cd37d..5d23e9f27391 100644 --- a/Documentation/gpu/xe/xe_firmware.rst +++ b/Documentation/gpu/xe/xe_firmware.rst @@ -31,6 +31,12 @@ GuC Power Conservation (PC) .. kernel-doc:: drivers/gpu/drm/xe/xe_guc_pc.c :doc: GuC Power Conservation (PC) +PCIe Gen5 Limitations +===================== + +.. kernel-doc:: drivers/gpu/drm/xe/xe_device_sysfs.c + :doc: PCIe Gen5 Limitations + Internal API ============ diff --git a/Documentation/gpu/xe/xe_pcode.rst b/Documentation/gpu/xe/xe_pcode.rst index d2e22cc45061..5937ef3599b0 100644 --- a/Documentation/gpu/xe/xe_pcode.rst +++ b/Documentation/gpu/xe/xe_pcode.rst @@ -12,3 +12,10 @@ Internal API .. kernel-doc:: drivers/gpu/drm/xe/xe_pcode.c :internal: + +================== +Boot Survivability +================== + +.. kernel-doc:: drivers/gpu/drm/xe/xe_survivability_mode.c + :doc: Xe Boot Survivability |
