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drm/i915: Update comment before i915_spin_request
author
Daniel Vetter
<daniel.vetter@ffwll.ch>
Fri, 5 Aug 2016 16:11:24 +0000
(18:11 +0200)
committer
Daniel Vetter
<daniel.vetter@ffwll.ch>
Fri, 5 Aug 2016 20:30:56 +0000
(22:30 +0200)
~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
drivers/gpu/drm/i915/i915_gem_request.c
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diff --git
a/drivers/gpu/drm/i915/i915_gem_request.c
b/drivers/gpu/drm/i915/i915_gem_request.c
index
b317a67
..
6a16616
100644
(file)
--- a/
drivers/gpu/drm/i915/i915_gem_request.c
+++ b/
drivers/gpu/drm/i915/i915_gem_request.c
@@
-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 s
pin for the next ~jiffie
before touching IRQs */
+ /* Optimistic s
hort spin
before touching IRQs */
if (i915_spin_request(req, state, 5))
goto complete;