[Intel-gfx] [PATCH v4 0/3] drm/helpers: Make the suballocation manager drm generic
Thomas Hellström
thomas.hellstrom at linux.intel.com
Mon Feb 27 08:11:52 UTC 2023
Daniel, Dave
Ack to merge this to drm through drm-misc-next?
/Thomas
On 2/24/23 10:51, Thomas Hellström wrote:
> This series (or at least the suballocator helper) is a prerequisite
> for the new Xe driver.
>
> There was an unresolved issue when the series was last up for review,
> and that was the per allocation aligment. Last message was from
> Maarten Lankhorst arguing that the larger per-driver alignment used
> would only incur a small memory cost. This new variant resolves that.
>
> The generic suballocator has been tested with the Xe driver, and a
> kunit test is under development.
> The amd- and radeon adaptations are only compile-tested.
>
> v3:
> - Remove stale author information (Christian König)
> - Update Radeon Kconfig (Thomas Hellström)
>
> v4:
> - Avoid 64-bit integer divisions (kernel test robot <lkp at intel.com>)
> - Use size_t rather than u64 for the managed range. (Thomas)
>
>
> Maarten Lankhorst (3):
> drm/suballoc: Extract amdgpu_sa.c as generic suballocation helper
> drm/amd: Convert amdgpu to use suballocation helper.
> drm/radeon: Use the drm suballocation manager implementation.
>
> drivers/gpu/drm/Kconfig | 4 +
> drivers/gpu/drm/Makefile | 3 +
> drivers/gpu/drm/amd/amdgpu/Kconfig | 1 +
> drivers/gpu/drm/amd/amdgpu/amdgpu.h | 26 +-
> drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 5 +-
> drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 23 +-
> drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 3 +-
> drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c | 324 +--------------
> drivers/gpu/drm/drm_suballoc.c | 457 +++++++++++++++++++++
> drivers/gpu/drm/radeon/Kconfig | 1 +
> drivers/gpu/drm/radeon/radeon.h | 55 +--
> drivers/gpu/drm/radeon/radeon_ib.c | 12 +-
> drivers/gpu/drm/radeon/radeon_object.h | 25 +-
> drivers/gpu/drm/radeon/radeon_sa.c | 316 ++------------
> drivers/gpu/drm/radeon/radeon_semaphore.c | 4 +-
> include/drm/drm_suballoc.h | 108 +++++
> 16 files changed, 674 insertions(+), 693 deletions(-)
> create mode 100644 drivers/gpu/drm/drm_suballoc.c
> create mode 100644 include/drm/drm_suballoc.h
>
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