drm/i915/guc: Init send_mutex in intel_uc_init_early()
send_mutex is used to serialise communication with GuC via
intel_guc_send().
Since functions that utilize it are no longer limited to submission,
initialization should be handled as a part of general setup.
v2: move initialization to *_early()
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1480096777-12573-5-git-send-email-arkadiusz.hiler@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h
index a4dd0e0..de2b314 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/intel_uc.h
@@ -169,6 +169,7 @@ struct intel_guc {
};
/* intel_uc.c */
+void intel_uc_init_early(struct drm_i915_private *dev_priv);
bool intel_guc_recv(struct drm_i915_private *dev_priv, u32 *status);
int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len);
int intel_guc_sample_forcewake(struct intel_guc *guc);