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drm/amdgpu: reserve umf hole size at vram high end for gfx v12.1
authorLe Ma <le.ma@amd.com>
Fri, 7 Nov 2025 07:23:32 +0000 (15:23 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 5 Jan 2026 21:59:57 +0000 (16:59 -0500)
commita26198f12231718fda7edb574858388cd820df55
treeade794ba7a9b7cd2a5424b0143c43fd0c17eeb0dtree
parentaf26fa751c2eef66916acbf0d3c3e9159da56186commit | diff
drm/amdgpu: reserve umf hole size at vram high end for gfx v12.1

This region is reserved by firmware thus carve it out in driver.

v2: set reserve size based on aid configuration.

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c diff | blob | blame | history
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