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| author | Ben Skeggs <[email protected]> | 2016-11-05 04:33:14 +0000 |
|---|---|---|
| committer | Ben Skeggs <[email protected]> | 2016-11-07 04:05:13 +0000 |
| commit | b27add13f500469127afdf011dbcc9c649e16e54 (patch) | |
| tree | 29f3d0087452fdcf7166d83c82a936af26f3e8e0 /drivers/gpu/drm/drm_fops.c | |
| parent | drm/nouveau/gr: fallback to legacy paths during firmware lookup (diff) | |
| download | kernel-b27add13f500469127afdf011dbcc9c649e16e54.tar.gz kernel-b27add13f500469127afdf011dbcc9c649e16e54.zip | |
drm/nouveau/fifo/gf100-: protect channel preempt with subdev mutex
This avoids an issue that occurs when we're attempting to preempt multiple
channels simultaneously. HW seems to ignore preempt requests while it's
still processing a previous one, which, well, makes sense.
Fixes random "fifo: SCHED_ERROR 0d []" + GPCCS page faults during parallel
piglit runs on (at least) GM107.
Signed-off-by: Ben Skeggs <[email protected]>
Cc: [email protected]
Diffstat (limited to 'drivers/gpu/drm/drm_fops.c')
0 files changed, 0 insertions, 0 deletions