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Tue, 28 Oct 2025 13:10:36 +0000 Message-ID: <724fa441-28a5-4dcd-b967-3054eb6ab3b2@amd.com> Date: Tue, 28 Oct 2025 14:10:32 +0100 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 2/5] Documentation/gpu: Add new glossary entries from UMR To: Rodrigo Siqueira , Alex Deucher , =?UTF-8?Q?Timur_Krist=C3=B3f?= Cc: amd-gfx@lists.freedesktop.org, kernel-dev@igalia.com References: <20251020194631.102260-1-siqueira@igalia.com> <20251020194631.102260-3-siqueira@igalia.com> Content-Language: en-US From: =?UTF-8?Q?Christian_K=C3=B6nig?= In-Reply-To: <20251020194631.102260-3-siqueira@igalia.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-ClientProxiedBy: BN9P221CA0003.NAMP221.PROD.OUTLOOK.COM (2603:10b6:408:10a::25) To PH7PR12MB5685.namprd12.prod.outlook.com (2603:10b6:510:13c::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH7PR12MB5685:EE_|MW4PR12MB7484:EE_ X-MS-Office365-Filtering-Correlation-Id: 58b32ff9-d068-4393-62af-08de16236254 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016|7053199007; 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This commit introduces the meanings of > those acronyms (and others) to the glossary to improve the comprehension > of the UMR dashboard. > > Cc: Alex Deucher > Cc: Christian König > Cc: Timur Kristóf > Signed-off-by: Rodrigo Siqueira > --- > Documentation/gpu/amdgpu/amdgpu-glossary.rst | 21 ++++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/Documentation/gpu/amdgpu/amdgpu-glossary.rst b/Documentation/gpu/amdgpu/amdgpu-glossary.rst > index 30812d9d53c6..eb72e6f6d4f1 100644 > --- a/Documentation/gpu/amdgpu/amdgpu-glossary.rst > +++ b/Documentation/gpu/amdgpu/amdgpu-glossary.rst > @@ -30,6 +30,15 @@ we have a dedicated glossary for Display Core at > CP > Command Processor > > + CPC > + Command Processor Compute > + > + CPF > + Command Processor Fetch > + > + CPG > + Command Processor Graphics > + > CPLIB > Content Protection Library > > @@ -78,6 +87,9 @@ we have a dedicated glossary for Display Core at > GMC > Graphic Memory Controller > > + GPR > + General Purpose Register > + > 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 > @@ -92,6 +104,9 @@ we have a dedicated glossary for Display Core at > table for use by the kernel driver or into per process GPUVM page tables > for application usage. > > + GWS > + Global Wave Syncs > + > IH > Interrupt Handler > BTW we are missing an entry for "IV Interrupt Vector (the bytes written by the GPU into IH ring buffer)". > @@ -206,12 +221,18 @@ we have a dedicated glossary for Display Core at > TC > Texture Cache > > + TCP (AMDGPU) > + Texture Cache Processing > + > TOC > Table of Contents > > UMSCH > User Mode Scheduler > > + UTCL > + Universal Texture Cache Line > + Mhm, UTCL0 UTCL1 and UTCL2 are usually Universal Translation Cache Layer 0-2. That is not even remotely related to texturing (well UTC requests also go through the TC on some HW generations, but that's basically it). Regards, Christian. > UVD > Unified Video Decoder >