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| author | Matthew Brost <matthew.brost@intel.com> | 2021-10-14 20:19:51 +0300 |
|---|---|---|
| committer | John Harrison <John.C.Harrison@Intel.com> | 2021-10-15 20:37:39 +0300 |
| commit | 99b47aaddfa985681496366e131daa69e282bb2a (patch) | |
| tree | 6eb56d5bfe9cd90497c08eb25471791769f80473 /drivers/gpu/drm/i915/gt/uc/intel_guc.c | |
| parent | 09c5e3a5e509bb10249c8252dc10c0d8a842e4ae (diff) | |
| download | linux-99b47aaddfa985681496366e131daa69e282bb2a.tar.xz | |
drm/i915/guc: Implement parallel context pin / unpin functions
Parallel contexts are perma-pinned by the upper layers which makes the
backend implementation rather simple. The parent pins the guc_id and
children increment the parent's pin count on pin to ensure all the
contexts are unpinned before we disable scheduling with the GuC / or
deregister the context.
v2:
(Daniel Vetter)
- Perma-pin parallel contexts
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211014172005.27155-12-matthew.brost@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_guc.c')
0 files changed, 0 insertions, 0 deletions