AMD-GFX Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: "Timur Kristóf" <timur.kristof@gmail.com>
To: amd-gfx@lists.freedesktop.org, alexander.deucher@amd.com,
	christian.koenig@amd.com
Cc: "Timur Kristóf" <timur.kristof@gmail.com>
Subject: [PATCH 6/7] Documentation/gpu: Add TCC, update TCP in amdgpu glossary
Date: Thu, 16 Apr 2026 22:26:42 +0200	[thread overview]
Message-ID: <20260416202643.25350-7-timur.kristof@gmail.com> (raw)
In-Reply-To: <20260416202643.25350-1-timur.kristof@gmail.com>

These are the L2 and L1 cache on some AMD GPU architectures.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
---
 Documentation/gpu/amdgpu/amdgpu-glossary.rst | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Documentation/gpu/amdgpu/amdgpu-glossary.rst b/Documentation/gpu/amdgpu/amdgpu-glossary.rst
index 033167025fcca..d553dd599c966 100644
--- a/Documentation/gpu/amdgpu/amdgpu-glossary.rst
+++ b/Documentation/gpu/amdgpu/amdgpu-glossary.rst
@@ -233,8 +233,15 @@ we have a dedicated glossary for Display Core at
     TC
       Texture Cache
 
+    TCC
+      Texture Cache per Channel - L2 cache attached to the memory channels.
+      May be used when shader cores are accessing memory.
+      Despite "Texture" in the name, this is used by any kind of memory access.
+      TCCs may be mapped to TCPs, depending on the architecture.
+
     TCP (AMDGPU)
-      Texture Cache per Pipe. Even though the name "Texture" is part of this
+      Texture Cache per Pipe - L1 cache attached to each CU.
+      Even though the name "Texture" is part of this
       acronym, the TCP represents the path to memory shaders; i.e., it is not
       related to texture. The name is a leftover from older designs where shader
       stages had different cache designs; it refers to the L1 cache in older
-- 
2.53.0


  parent reply	other threads:[~2026-04-16 20:26 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-16 20:26 [PATCH 0/7] Various SI fixes, fix Radeon HD 7870 XT Timur Kristóf
2026-04-16 20:26 ` [PATCH 1/7] drm/amdgpu/gmc: Fix AMDGPU_GART_PLACEMENT_LOW to not overlap with VRAM Timur Kristóf
2026-04-17 10:58   ` Christian König
2026-04-16 20:26 ` [PATCH 2/7] drm/amdgpu/vce: Align VCPU BO to a power of two address Timur Kristóf
2026-04-17  7:08   ` Christian König
2026-04-16 20:26 ` [PATCH 3/7] drm/amdgpu: Add alignment to amdgpu_gtt_mgr_alloc_entries() Timur Kristóf
2026-04-16 20:26 ` [PATCH 4/7] drm/amdgpu/vce1: Fix workaround to ensure low 32-bit VCPU address Timur Kristóf
2026-04-17  7:21   ` Christian König
2026-04-16 20:26 ` [PATCH 5/7] drm/amdgpu/uvd3.1: Don't validate the firmware when already validated Timur Kristóf
2026-04-17  7:22   ` Christian König
2026-04-16 20:26 ` Timur Kristóf [this message]
2026-04-17  7:24   ` [PATCH 6/7] Documentation/gpu: Add TCC, update TCP in amdgpu glossary Christian König
2026-04-17  8:36     ` Timur Kristóf
2026-04-17  9:03       ` Christian König
2026-04-16 20:26 ` [PATCH 7/7] drm/amdgpu/gfx6: Support harvested SI chips with disabled TCCs Timur Kristóf
2026-04-17 12:56   ` Christian König
2026-04-17 13:36     ` Alex Deucher
2026-04-17 14:09       ` Timur Kristóf

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260416202643.25350-7-timur.kristof@gmail.com \
    --to=timur.kristof@gmail.com \
    --cc=alexander.deucher@amd.com \
    --cc=amd-gfx@lists.freedesktop.org \
    --cc=christian.koenig@amd.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox