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7 Commits

Author SHA1 Message Date
Christian König
64a8f92fd7 dma-buf: add dma_fence_unwrap v2 
Add a general purpose helper to deep dive into dma_fence_chain/dma_fence_array
structures and iterate over all the fences in them.

This is useful when we need to flatten out all fences in those structures.

v2: some selftests cleanup, improved function naming and documentation

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220311110244.1245-1-christian.koenig@amd.com
 2022-03-25 14:18:28 +01:00
Christian König
1d51775cd3 dma-buf: add dma_resv selftest v4 
Just exercising a very minor subset of the functionality, but already
proven useful.

v2: add missing locking
v3: some more cleanup and consolidation, add unlocked test as well
v4: add a dma_resv_get_fences selftest

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> (v3)
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v3)
Link: https://patchwork.freedesktop.org/patch/msgid/20211005113742.1101-4-christian.koenig@amd.com
 2021-10-22 14:19:51 +02:00
Jani Nikula
0f69403d25 Merge drm/drm-next into drm-intel-next-queued 
Catch up with upstream, in particular to get c1e8d7c6a7 ("mmap locking
API: convert mmap_sem comments").

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
 2020-06-25 18:05:03 +03:00
Kees Cook
684f1a1bf9 drm/i915: Fix comments mentioning typo in IS_ENABLED() 
This has no code changes, but the typo is clearly getting copy/pasted,
so better to avoid this now and fix the typo. IS_ENABLED() takes full
names, and must have the "CONFIG_" prefix.

Reported-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/lkml/b08611018fdb6d88757c6008a5c02fa0e07b32fb.camel@perches.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/202006050718.9D4FCFC2E@keescook
 2020-06-05 16:28:42 +01:00
Chris Wilson
dc2f7e67a2 dma-buf: Exercise dma-fence-chain under selftests 
A few very simple testcases to exercise the dma-fence-chain API.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200409110101.18400-3-chris@chris-wilson.co.uk
 2020-04-09 19:58:55 +01:00
Chris Wilson
2989f64510 dma-buf: Add selftests for dma-fence 
Exercise the dma-fence API exported to drivers.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190819095928.32091-2-chris@chris-wilson.co.uk
 2019-08-19 18:09:46 +01:00
Chris Wilson
9536b64ac0 dma-buf: Introduce selftesting framework 
In light of recent review slip ups, the absence of a suite of tests for
dma-buf became apparent. Given the current plethora of testing
frameworks, opt for one already in use by Intel's CI and so allow easy
hook up into igt.

We introduce a new module that when loaded will execute the list of
selftests and their subtest. The names of the selftests are put into the
modinfo as parameters so that igt can identify each, and run them
independently, principally for ease of error reporting.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Tomi Sarvela <tomi.p.sarvela@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190819095928.32091-1-chris@chris-wilson.co.uk
 2019-08-19 18:01:34 +01:00