drm/i915/guc: Enable send function only after successful init

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It is safer to setup valid send function after successful GuC
hardware initialization. In addition we prepare placeholder
where we can setup any alternate GuC communication mechanism.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170502103243.54940-1-michal.wajdeczko@intel.com
[ickle: Fixup ENODEV for an impossible error path]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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Michal Wajdeczko 2017-05-02 10:32:42 +00:00 • committed by Chris Wilson

parent cefcff8f93

commit 789a625158

2 changed files with 27 additions and 1 deletions

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27

drivers/gpu/drm/i915/intel_uc.c

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1

drivers/gpu/drm/i915/intel_uc.h

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