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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-20 16:48:58 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-20 21:15:17 +0300 |
| commit | 5ec17c763055767e4b1490da8399a6c4a53d7e8c (patch) | |
| tree | e30a9fed1a1e6974ce3b1b6d6f490b7594e76c2d /drivers/gpu/drm/i915/i915_request.c | |
| parent | 9bb36cf66091ddf2d8840e5aa705ad3c93a6279b (diff) | |
| download | linux-5ec17c763055767e4b1490da8399a6c4a53d7e8c.tar.xz | |
drm/i915/gt: Another tweak for flushing the tasklets
tasklet_kill() ensures that we _yield_ the processor until a remote
tasklet is completed. However, this leads to a starvation condition as
being at the bottom of the scheduler's runqueue means that anything else
is able to run, including all hogs keeping the tasklet occupied.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201220134858.10510-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_request.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_request.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index 2675c6d70779..45744c3ef7c4 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -1825,7 +1825,7 @@ long i915_request_wait(struct i915_request *rq, * for unhappy HW. */ if (i915_request_is_ready(rq)) - intel_engine_flush_submission(rq->engine); + __intel_engine_flush_submission(rq->engine, false); for (;;) { set_current_state(state); |