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drm/i915/uc: Introduce intel_uc_suspend|resume

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We want to use higher level 'uc' functions as the main entry points to
the GuC/HuC code to hide some details and keep code layered.

While here, move call to disable_guc_interrupts after sending suspend
action to the GuC to allow it work also with CTB as comm mechanism.

v2: update commit msg (Sagar)

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180302111550.21328-1-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko
2018-03-02 11:15:49 +00:00
committed by Chris Wilson
parent a3e3883646
commit 7cfca4afd6
6 changed files with 68 additions and 35 deletions
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2
drivers/gpu/drm/i915/intel_uc.h
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@@ -39,6 +39,8 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv);
void intel_uc_fini_hw(struct drm_i915_private *dev_priv);
int intel_uc_init(struct drm_i915_private *dev_priv);
void intel_uc_fini(struct drm_i915_private *dev_priv);
int intel_uc_suspend(struct drm_i915_private *dev_priv);
int intel_uc_resume(struct drm_i915_private *dev_priv);
static inline bool intel_uc_is_using_guc(void)
{