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authorDave Airlie <airlied@redhat.com>2020-04-30 04:08:54 +0300
committerDave Airlie <airlied@redhat.com>2020-04-30 04:08:54 +0300
commit937eea297e26effac6809a0bf8c20e6ca9d90b9a (patch)
tree5e2d4ddc284776b56355d36c8d2c5a757956b3d4 /Documentation
parent126a34061eec2df05a5a28052edefd4e6125f31c (diff)
parente748f07d00c1c4a9106acafac52df7ea4ecf6264 (diff)
downloadlinux-937eea297e26effac6809a0bf8c20e6ca9d90b9a.tar.xz
Merge tag 'amd-drm-next-5.8-2020-04-24' of git://people.freedesktop.org/~agd5f/linux into drm-next
amd-drm-next-5.8-2020-04-24: amdgpu: - Documentation improvements - Enable FRU chip access on boards that support it - RAS updates - SR-IOV updates - Powerplay locking fixes for older SMU versions - VCN DPG (dynamic powergating) cleanup - VCN 2.5 DPG enablement - Rework GPU scheduler handling - Improve scheduler priority handling - Add SPM (streaming performance monitor) golden settings for navi - GFX10 clockgating fixes - DC ABM (automatic backlight modulation) fixes - DC cursor and plane fixes - DC watermark fixes - DC clock handling fixes - DC color management fixes - GPU reset fixes - Clean up MMIO access macros - EEPROM access fixes - Misc code cleanups amdkfd: - Misc code cleanups radeon: - Clean up safe reg list generation - Misc code cleanups From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200424190827.4542-1-alexander.deucher@amd.com
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/gpu/amdgpu.rst88
1 files changed, 88 insertions, 0 deletions
diff --git a/Documentation/gpu/amdgpu.rst b/Documentation/gpu/amdgpu.rst
index 0efede580039..4cc74325bf91 100644
--- a/Documentation/gpu/amdgpu.rst
+++ b/Documentation/gpu/amdgpu.rst
@@ -202,3 +202,91 @@ busy_percent
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
:doc: busy_percent
+
+GPU Product Information
+=======================
+
+Information about the GPU can be obtained on certain cards
+via sysfs
+
+product_name
+------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+ :doc: product_name
+
+product_number
+--------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+ :doc: product_name
+
+serial_number
+-------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+ :doc: serial_number
+
+unique_id
+---------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+ :doc: unique_id
+
+GPU Memory Usage Information
+============================
+
+Various memory accounting can be accessed via sysfs
+
+mem_info_vram_total
+-------------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+ :doc: mem_info_vram_total
+
+mem_info_vram_used
+------------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+ :doc: mem_info_vram_used
+
+mem_info_vis_vram_total
+-----------------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+ :doc: mem_info_vis_vram_total
+
+mem_info_vis_vram_used
+----------------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+ :doc: mem_info_vis_vram_used
+
+mem_info_gtt_total
+------------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+ :doc: mem_info_gtt_total
+
+mem_info_gtt_used
+-----------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+ :doc: mem_info_gtt_used
+
+PCIe Accounting Information
+===========================
+
+pcie_bw
+-------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+ :doc: pcie_bw
+
+pcie_replay_count
+-----------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+ :doc: pcie_replay_count
+
+