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| author |   Nitin Gote <nitin.r.gote@intel.com> | 2025-04-16 16:06:40 +0530 |
|---|---|---|
| committer |   Rodrigo Vivi <rodrigo.vivi@intel.com> | 2025-04-29 16:49:20 -0400 |
| commit | ce7743bc1b93cd81b5234b8bb9587607af3f6c2a (patch) | |
| tree | 4452969eceb5d0ce83e77623254d627eeb3a078b /scripts/lib/kdoc/kdoc_output.py | |
| parent | drm/i915/huc: Fix fence not released on early probe errors (diff) | |
| download | linux-rng-ce7743bc1b93cd81b5234b8bb9587607af3f6c2a.tar.xz linux-rng-ce7743bc1b93cd81b5234b8bb9587607af3f6c2a.zip | |
drm/i915/gt: Add delay to let engine resumes properly
Sometimes engine reset fails because the engine resumes from an
incorrect RING_HEAD. Engine head failed to set to zero even after
writing into it. This is a timing issue and we experimented
different values and found out that 20ms delay works best based
on testing.
So, add a 20ms delay to let engine resumes from correct RING_HEAD.
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/13968
Signed-off-by: Nitin Gote <nitin.r.gote@intel.com>
Reviewed-by: Sebastian Brzezinka <sebastian.brzezinka@intel.com>
Reviewed-by: Krzysztof Karas <krzysztof.karas@intel.com>
Link: https://lore.kernel.org/r/20250416103640.212269-1-nitin.r.gote@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'scripts/lib/kdoc/kdoc_output.py')
0 files changed, 0 insertions, 0 deletions