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# 849ee8a2 24-Feb-2023 Maarten Lankhorst <[email protected]>

drm/suballoc: Extract amdgpu_sa.c as generic suballocation helper

Suballocating a buffer object is something that is not driver-specific
and useful for many drivers.

Use a slightly modified version

drm/suballoc: Extract amdgpu_sa.c as generic suballocation helper

Suballocating a buffer object is something that is not driver-specific
and useful for many drivers.

Use a slightly modified version of amdgpu_sa.c

v2:
- Style cleanups.
- Added / Modified documentation.
- Use u64 for the sizes and offset. The code dates back to 2012 and
using unsigned int will probably soon come back to bite us.
We can consider size_t as well for better 32-bit efficiency.
- Add and document gfp, intr and align arguments to drm_suballoc_new().
- Use drm_printer for debug output.

v3:
- Remove stale author info (Christian König)

v4:
- Avoid 64-bit integer divisions (kernel test robot <[email protected]>)
- Use size_t rather than u64 for the managed range. (Thomas)

Signed-off-by: Maarten Lankhorst <[email protected]>
Co-developed-by: Thomas Hellström <[email protected]>
Signed-off-by: Thomas Hellström <[email protected]>
Reviewed-by: Christian König <[email protected]>
Acked-by: Maarten Lankhorst <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Acked-by: Christian König <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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