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authorChris Wilson <chris@chris-wilson.co.uk>2016-11-14 23:40:58 +0300
committerChris Wilson <chris@chris-wilson.co.uk>2016-11-15 00:00:22 +0300
commit23902e49c999353f75f15b7d8483bff70746b97d (patch)
tree5f9b2fca8e01366e014a47acc6ae96df526decdd /drivers/extcon
parentbb89485e999181a329cafa8e798b6bbf10c1a52a (diff)
downloadlinux-23902e49c999353f75f15b7d8483bff70746b97d.tar.xz
drm/i915: Split request submit/execute phase into two
In order to support deferred scheduling, we need to differentiate between when the request is ready to run (i.e. the submit fence is signaled) and when the request is actually run (a new execute fence). This is typically split between the request itself wanting to wait upon others (for which we use the submit fence) and the CPU wanting to wait upon the request, for which we use the execute fence to be sure the hardware is ready to signal completion. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20161114204105.29171-3-chris@chris-wilson.co.uk
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