commit 76e70087d360fdbe97f24c205d585ada04126e5f
author Mika Kuoppala <mika.kuoppala@linux.intel.com> Fri Sep 22 15:43:07 2017 +0300
committer Mika Kuoppala <mika.kuoppala@intel.com> Mon Sep 25 11:33:53 2017 +0300
tree 2ad0fd9d5614b6d79367055577528318ececda1d
parent 7a62cc6107f31e119a0df6f79fa9fae566b1a22e

drm/i915: Make execlist port count variable

As we emulate execlists on top of the GuC workqueue, it is not
restricted to just 2 ports and we can increase that number arbitrarily
to trade-off queue depth (i.e. scheduling latency) against pipeline
bubbles.

v2: rebase. better commit msg (Chris)
v3: rebase

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20170922124307.10914-5-mika.kuoppala@intel.com