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| author |   Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2021-10-18 10:10:48 +0100 |
|---|---|---|
| committer |   Matthew Auld <matthew.auld@intel.com> | 2021-10-22 13:19:18 +0100 |
| commit | f05b985e6f76eb9e57f36d0960a8beb46d5b46a8 (patch) | |
| tree | 45b66f2451a09e96f43293a8089dbfe331c67656 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | Merge drm/drm-next into drm-intel-gt-next (diff) | |
| download | linux-dev-f05b985e6f76eb9e57f36d0960a8beb46d5b46a8.tar.xz linux-dev-f05b985e6f76eb9e57f36d0960a8beb46d5b46a8.zip | |
drm/i915/gem: Break out some shmem backend utils
Break out some shmem backend utils for future reuse by the TTM backend:
shmem_alloc_st(), shmem_free_st() and __shmem_writeback() which we can
use to provide a shmem-backed TTM page pool for cached-only TTM
buffer objects.
Main functional change here is that we now compute the page sizes using
the dma segments rather than using the physical page address segments.
v2(Reported-by: kernel test robot <lkp@intel.com>)
- Make sure we initialise the mapping on the error path in
shmem_get_pages()
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211018091055.1998191-1-matthew.auld@intel.com
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