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linux-stable-mirror/Documentation/gpu/amdgpu/index.rst
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Perry YuanandAlex Deucher aa86e750d0 Documentation/amdgpu: Add documentation for Peak Tops Limiter (PTL) sysfs interface
The PTL (Peak Tops Limiter) feature exposes per-GPU sysfs files under
/sys/class/drm/cardX/device/ptl/ to allow users to enable or disable PTL,
configure preferred data formats, and query supported formats. The usage
of these sysfs files is not always obvious, so add documentation to
describe their purpose and provide concrete usage examples.

V3 changes:
 * format show will display preferred formats instead of N/A (Alex)

Signed-off-by: Perry Yuan <perry.yuan@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2026-05-11 15:55:55 -04:00

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==========================
drm/amdgpu AMDgpu driver
==========================
The drm/amdgpu driver supports all AMD Radeon GPUs based on the Graphics Core
Next (GCN), Radeon DNA (RDNA), and Compute DNA (CDNA) architectures.
.. toctree::
driver-core
ring-buffer
amd-hardware-list-info
module-parameters
gc/index
display/index
userq
flashing
xgmi
ras
thermal
driver-misc
debugging
debugfs
process-isolation
amdgpu-glossary
ptl