drm/amdgpu: amdgpu_vram_mgr_new(): Clamp lpfn to total vram

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commit 4d2f6b4e4c upstream.

The drm_mm allocator tolerated being passed end > mm->size, but the
drm_buddy allocator does not.

Restore the pre-buddy-allocator behavior of allowing such placements.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3448
Signed-off-by: John Olender <john.olender@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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John Olender 2025-04-29 07:24:28 -04:00 • committed by Greg Kroah-Hartman

parent 4ce9f2dc9f

commit e2c3133ff4

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c

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