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drm/i915: Restrict GPU boost to the RCS engine

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Make the assumption that media workloads are not as latency sensitive
for __wait_seqno, and that upclocking the GPU does not affect the BLT
engine. Under that assumption, we only wait to forcibly upclock the GPU
when we are stalling for results from the render pipeline.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Deepak S<deepak.s@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2014-06-12 10:28:55 +01:00 committed by Daniel Vetter
parent f7d2323c18
commit ec5cc0f9b0
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/i915/i915_gem.c
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@ -1168,7 +1168,7 @@ static int __wait_seqno(struct intel_engine_cs *ring, u32 seqno,
timeout_expire = timeout ? jiffies + timespec_to_jiffies_timeout(timeout) : 0;
if (INTEL_INFO(dev)->gen >= 6 && can_wait_boost(file_priv)) {
if (INTEL_INFO(dev)->gen >= 6 && ring->id == RCS && can_wait_boost(file_priv)) {
gen6_rps_boost(dev_priv);
if (file_priv)
mod_delayed_work(dev_priv->wq,