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author | Dave Airlie <airlied@redhat.com> | 2022-12-09 12:08:12 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2022-12-09 12:08:13 +1000 |
commit | 9e5737bd0457955690d871b3f4fc66dea40ea141 (patch) | |
tree | 959c2e9be38afc13ec86af6ca702f7771683af72 /Documentation | |
parent | f06a4da3adf252a6ecd37c4ea1c3540db0b27738 (diff) | |
parent | 4670ac706ff9b3d0adb766ef9e93cc36d9dda474 (diff) | |
download | linux-9e5737bd0457955690d871b3f4fc66dea40ea141.tar.gz |
Merge tag 'amd-drm-next-6.2-2022-12-02' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.2-2022-12-02:
amdgpu:
- Fix CPU stalls when allocating large amounts of system memory
- SR-IOV fixes
- BACO fixes
- Enable GC 11.0.4
- Enable PSP 13.0.11
- Enable SMU 13.0.11
- Enable NBIO 7.7.1
- Fix reported VCN capabilities for RDNA2
- Misc cleanups
- PCI ref count fixes
- DCN DPIA fixes
- DCN 3.2.x fixes
- Documentation updates
- GC 11.x fixes
- VCN RAS fixes
- APU fix for passthrough
- PSR fixes
- GFX preemption support for gfx9
- SDMA fix for S0ix
amdkfd:
- Enable KFD support for GC 11.0.4
- Misc cleanups
- Fix memory leak
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221202160659.5987-1-alexander.deucher@amd.com
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/gpu/amdgpu/amdgpu-glossary.rst | 23 | ||||
-rw-r--r-- | Documentation/gpu/amdgpu/driver-core.rst | 4 | ||||
-rw-r--r-- | Documentation/gpu/amdgpu/index.rst | 2 |
3 files changed, 26 insertions, 3 deletions
diff --git a/Documentation/gpu/amdgpu/amdgpu-glossary.rst b/Documentation/gpu/amdgpu/amdgpu-glossary.rst index 326896e9800d..00a47ebb0b0f 100644 --- a/Documentation/gpu/amdgpu/amdgpu-glossary.rst +++ b/Documentation/gpu/amdgpu/amdgpu-glossary.rst @@ -30,12 +30,35 @@ we have a dedicated glossary for Display Core at EOP End Of Pipe/Pipeline + 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 + (memory or MMIO space) into the GPU's address space so the GPU can access + them. The name GART harkens back to the days of AGP when the platform + provided an MMU that the GPU could use to get a contiguous view of + scattered pages for DMA. The MMU has since moved on to the GPU, but the + name stuck. + GC Graphics and Compute GMC Graphic Memory Controller + GPUVM + GPU Virtual Memory. This is the GPU's MMU. The GPU supports multiple + virtual address spaces that can be in flight at any given time. These + allow the GPU to remap VRAM and system resources into GPU virtual address + spaces for use by the GPU kernel driver and applications using the GPU. + These provide memory protection for different applications using the GPU. + + GTT + Graphics Translation Tables. This is a memory pool managed through TTM + which provides access to system resources (memory or MMIO space) for + use by the GPU. These addresses can be mapped into the "GART" GPUVM page + table for use by the kernel driver or into per process GPUVM page tables + for application usage. + IH Interrupt Handler diff --git a/Documentation/gpu/amdgpu/driver-core.rst b/Documentation/gpu/amdgpu/driver-core.rst index ebf5932845a9..467e6843aef6 100644 --- a/Documentation/gpu/amdgpu/driver-core.rst +++ b/Documentation/gpu/amdgpu/driver-core.rst @@ -148,10 +148,10 @@ PRIME Buffer Sharing MMU Notifier ============ -.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c :doc: MMU Notifier -.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c :internal: AMDGPU Virtual Memory diff --git a/Documentation/gpu/amdgpu/index.rst b/Documentation/gpu/amdgpu/index.rst index a24e1cfa7407..03c2966cae79 100644 --- a/Documentation/gpu/amdgpu/index.rst +++ b/Documentation/gpu/amdgpu/index.rst @@ -3,7 +3,7 @@ ========================== The drm/amdgpu driver supports all AMD Radeon GPUs based on the Graphics Core -Next (GCN) architecture. +Next (GCN), Radeon DNA (RDNA), and Compute DNA (CDNA) architectures. .. toctree:: |