drm/i915/guc: Enable interrupts before resuming GuC during runtime resume

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GuC log streaming needs interrupts enabled prior to GuC resume but
runtime pm interrupt setup was happening post GuC resume. Fix it.
While at it, fix the unwinding of steps in the runtime suspend path.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104695
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Marta Lofstedt <marta.lofstedt@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/1516808821-3638-2-git-send-email-sagar.a.kamble@intel.com

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Sagar Arun Kamble 2018-01-24 21:16:57 +05:30 • committed by Chris Wilson

parent 1be333d34e

commit 1ed21cb414

1 changed files with 9 additions and 4 deletions

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drivers/gpu/drm/i915/i915_drv.c

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