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drm/i915: Flush idle barriers when waiting
authorChris Wilson <chris@chris-wilson.co.uk>
Tue, 25 Feb 2020 19:22:04 +0000 (19:22 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Tue, 25 Feb 2020 19:23:17 +0000 (19:23 +0000)
commitd13a31770077a841dfa33f741079e82255ee0100
treecac3affb81ae681d1f22d26b8d99f3cb754ea52e
parent53e3ca6749186b5c147964bddc4eb47ba8b5f69e
drm/i915: Flush idle barriers when waiting

If we do find ourselves with an idle barrier inside our active while
waiting, attempt to flush it by emitting a pulse using the kernel
context.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Steve Carbonari <steven.carbonari@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200225192206.1107336-1-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_active.c
drivers/gpu/drm/i915/selftests/i915_active.c