From: Michal Wajdeczko <michal.wajdeczko@intel.com>
Date: Thu, 28 Jun 2018 14:15:20 +0000
Subject: drm/i915/guc: Use intel_guc_init_misc to hide GuC internals
Git-commit: c39d2e7e35f6f357e59c7313dab8e90f7d1ff93e
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

We will add more init steps to misc phase and there is no need
to expose them separately for use in uc_init_misc function.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180628141522.62788-1-michal.wajdeczko@intel.com

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/i915/intel_guc.c |   28 ++++++++++++++++++++++++----
 drivers/gpu/drm/i915/intel_guc.h |    5 ++---
 drivers/gpu/drm/i915/intel_uc.c  |    6 ++----
 3 files changed, 28 insertions(+), 11 deletions(-)

--- a/drivers/gpu/drm/i915/intel_guc.c
+++ b/drivers/gpu/drm/i915/intel_guc.c
@@ -27,6 +27,8 @@
 #include "intel_guc_submission.h"
 #include "i915_drv.h"
 
+static void guc_init_ggtt_pin_bias(struct intel_guc *guc);
+
 static void gen8_guc_raise_irq(struct intel_guc *guc)
 {
 	struct drm_i915_private *dev_priv = guc_to_i915(guc);
@@ -73,7 +75,7 @@ void intel_guc_init_early(struct intel_g
 	guc->notify = gen8_guc_raise_irq;
 }
 
-int intel_guc_init_wq(struct intel_guc *guc)
+static int guc_init_wq(struct intel_guc *guc)
 {
 	struct drm_i915_private *dev_priv = guc_to_i915(guc);
 
@@ -124,7 +126,7 @@ int intel_guc_init_wq(struct intel_guc *
 	return 0;
 }
 
-void intel_guc_fini_wq(struct intel_guc *guc)
+static void guc_fini_wq(struct intel_guc *guc)
 {
 	struct drm_i915_private *dev_priv = guc_to_i915(guc);
 
@@ -135,6 +137,24 @@ void intel_guc_fini_wq(struct intel_guc
 	destroy_workqueue(guc->log.relay.flush_wq);
 }
 
+int intel_guc_init_misc(struct intel_guc *guc)
+{
+	int ret;
+
+	guc_init_ggtt_pin_bias(guc);
+
+	ret = guc_init_wq(guc);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+void intel_guc_fini_misc(struct intel_guc *guc)
+{
+	guc_fini_wq(guc);
+}
+
 static int guc_shared_data_create(struct intel_guc *guc)
 {
 	struct i915_vma *vma;
@@ -582,13 +602,13 @@ int intel_guc_resume(struct intel_guc *g
  */
 
 /**
- * intel_guc_init_ggtt_pin_bias() - Initialize the GuC ggtt_pin_bias value.
+ * guc_init_ggtt_pin_bias() - Initialize the GuC ggtt_pin_bias value.
  * @guc: intel_guc structure.
  *
  * This function will calculate and initialize the ggtt_pin_bias value based on
  * overall WOPCM size and GuC WOPCM size.
  */
-void intel_guc_init_ggtt_pin_bias(struct intel_guc *guc)
+static void guc_init_ggtt_pin_bias(struct intel_guc *guc)
 {
 	struct drm_i915_private *i915 = guc_to_i915(guc);
 
--- a/drivers/gpu/drm/i915/intel_guc.h
+++ b/drivers/gpu/drm/i915/intel_guc.h
@@ -151,11 +151,10 @@ static inline u32 intel_guc_ggtt_offset(
 void intel_guc_init_early(struct intel_guc *guc);
 void intel_guc_init_send_regs(struct intel_guc *guc);
 void intel_guc_init_params(struct intel_guc *guc);
-void intel_guc_init_ggtt_pin_bias(struct intel_guc *guc);
-int intel_guc_init_wq(struct intel_guc *guc);
-void intel_guc_fini_wq(struct intel_guc *guc);
+int intel_guc_init_misc(struct intel_guc *guc);
 int intel_guc_init(struct intel_guc *guc);
 void intel_guc_fini(struct intel_guc *guc);
+void intel_guc_fini_misc(struct intel_guc *guc);
 int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len,
 		       u32 *response_buf, u32 response_buf_size);
 int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len,
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -257,9 +257,7 @@ int intel_uc_init_misc(struct drm_i915_p
 	if (!USES_GUC(i915))
 		return 0;
 
-	intel_guc_init_ggtt_pin_bias(guc);
-
-	ret = intel_guc_init_wq(guc);
+	ret = intel_guc_init_misc(guc);
 	if (ret)
 		return ret;
 
@@ -273,7 +271,7 @@ void intel_uc_fini_misc(struct drm_i915_
 	if (!USES_GUC(i915))
 		return;
 
-	intel_guc_fini_wq(guc);
+	intel_guc_fini_misc(guc);
 }
 
 int intel_uc_init(struct drm_i915_private *i915)