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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-06-15 21:39:35 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-06-15 23:15:02 +0300 |
| commit | 570af07d794fc746c42f0aeaaa82362416f33a54 (patch) | |
| tree | e4fb77c8fb387130a317b5e1f8e985c2811e16c6 /drivers/gpu/drm/i915/gt | |
| parent | 5a7eeb8ba143d860050ecea924a8f074f02d8023 (diff) | |
| download | linux-570af07d794fc746c42f0aeaaa82362416f33a54.tar.xz | |
drm/i915/gt: Don't flush the tasklet if not setup
If the tasklet is not being used, don't try and flush it.
Fixes: 594893870044 ("drm/i915/gt: Add a safety submission flush in the heartbeat")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200615183935.17389-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine_cs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index 31049e0bdb57..045179c65c44 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -1094,6 +1094,9 @@ void intel_engine_flush_submission(struct intel_engine_cs *engine) { struct tasklet_struct *t = &engine->execlists.tasklet; + if (!t->func) + return; + /* Synchronise and wait for the tasklet on another CPU */ tasklet_kill(t); |