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| author | Christian König <ckoenig.leichtzumerken@gmail.com> | 2024-08-26 14:25:40 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2024-09-06 18:06:06 +0200 |
| commit | f07a0d1bf7de562b2806bce0ba8601c325627c4e (patch) | |
| tree | 4bd07abe5729511f05b6d70757a4d40bd12853b7 /COPYING | |
| parent | a401bd1264b400f96a4cf61ed3fc144008e97a4e (diff) | |
| download | lwn-f07a0d1bf7de562b2806bce0ba8601c325627c4e.tar.gz lwn-f07a0d1bf7de562b2806bce0ba8601c325627c4e.zip | |
drm/doc: Document submission error signaling
Different approaches have been tried to signal resets and other errors in
vendor specific ways which not only resulted in a wide variety of
implementations but also repeating the same bugs and problems over different
drivers.
Document that drivers should use dma_fence based error signaling which is
vendor agnostic and allows userspace to query submission errors in generic
non-vendor specific code.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240826122541.85663-3-christian.koenig@amd.com
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