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Radeon support #455

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da70849
Add new backend for legacy radeon driver
gusteivos Mar 27, 2026
c46facd
Update AMD section in README for legacy radeon support
gusteivos Mar 27, 2026
43f5738
Remove radeon related code from amdgpu backend
gusteivos Mar 27, 2026
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4 changes: 4 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,7 @@ if(APPLE)
set(APPLE_SUPPORT_DEFAULT ON)
set(NVIDIA_SUPPORT_DEFAULT OFF)
set(AMDGPU_SUPPORT_DEFAULT OFF)
set(RADEON_SUPPORT_DEFAULT OFF)
set(INTEL_SUPPORT_DEFAULT OFF)
set(MSM_SUPPORT_DEFAULT OFF)
set(PANFROST_SUPPORT_DEFAULT OFF)
Expand All @@ -75,6 +76,7 @@ elseif(ASCEND_SUPPORT)
set(APPLE_SUPPORT_DEFAULT OFF)
set(NVIDIA_SUPPORT_DEFAULT OFF)
set(AMDGPU_SUPPORT_DEFAULT OFF)
set(RADEON_SUPPORT_DEFAULT OFF)
set(INTEL_SUPPORT_DEFAULT OFF)
set(MSM_SUPPORT_DEFAULT OFF)
set(PANFROST_SUPPORT_DEFAULT OFF)
Expand All @@ -85,6 +87,7 @@ else()
set(APPLE_SUPPORT_DEFAULT OFF)
set(NVIDIA_SUPPORT_DEFAULT ON)
set(AMDGPU_SUPPORT_DEFAULT ON)
set(RADEON_SUPPORT_DEFAULT ON)
set(INTEL_SUPPORT_DEFAULT ON)
set(V3D_SUPPORT_DEFAULT ON)
set(MSM_SUPPORT_DEFAULT ON)
Expand Down Expand Up @@ -124,6 +127,7 @@ endif()

option(NVIDIA_SUPPORT "Build support for NVIDIA GPUs through libnvml" ${NVIDIA_SUPPORT_DEFAULT})
option(AMDGPU_SUPPORT "Build support for AMD GPUs through amdgpu driver" ${AMDGPU_SUPPORT_DEFAULT})
option(RADEON_SUPPORT "Build support for ATI/AMD GPUs through radeon driver" ${RADEON_SUPPORT_DEFAULT})
option(INTEL_SUPPORT "Build support for Intel GPUs through i915 or xe driver" ${INTEL_SUPPORT_DEFAULT})
option(MSM_SUPPORT "Build support for Adreno GPUs through msm driver" ${MSM_SUPPORT_DEFAULT})
option(APPLE_SUPPORT "Build support for Apple GPUs through Metal" ${APPLE_SUPPORT_DEFAULT})
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4 changes: 3 additions & 1 deletion README.markdown
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Expand Up @@ -82,9 +82,11 @@ GPU Support

### AMD

NVTOP supports AMD GPUs using the `amdgpu` driver through the exposed DRM and
NVTOP supports AMD GPUs using the `amdgpu` driver and the legacy `radeon` driver (legacy GPUs, limited support) through the exposed DRM and
sysfs interface.

The radeon provides limited metrics compared to amdgpu.

AMD introduced the fdinfo interface in kernel 5.14 ([browse kernel
source](https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c?h=linux-5.14.y)).
Hence, you will need a kernel with a version greater or equal to 5.14 to see the
Expand Down
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