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drm/i915: Update comment before i915_spin_request

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~jiffie and a few usecs is 3 orders of magnitude different. A bit
much. This was changed in

commit ca5b721e238226af1d767103ac852aeb8e4c0764
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri Dec 11 11:32:58 2015 +0000

    drm/i915: Limit the busy wait on requests to 5us not 10ms!

But probably missed the comment since the change was non-local to the
comment.

v2: Polish comment more (Chris).

Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1470413484-23775-1-git-send-email-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2016-08-05 18:11:24 +02:00
parent 4194c088df
commit 437c30874c
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/i915_gem_request.c
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@ -643,7 +643,7 @@ int i915_wait_request(struct drm_i915_gem_request *req,
if (IS_RPS_CLIENT(rps) && INTEL_GEN(req->i915) >= 6)
gen6_rps_boost(req->i915, rps, req->emitted_jiffies);
/* Optimistic spin for the next ~jiffie before touching IRQs */
/* Optimistic short spin before touching IRQs */
if (i915_spin_request(req, state, 5))
goto complete;