[Intel-gfx] [RFC 2/4] drm/i915/uc: Add init_fw/fini_fw to to intel_uc_ops

[Michal Wajdeczko]

Firmware fetching and cleanup steps are only meaningful if we are
running with uC enabled. Make these functions part of the uc_ops.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
---
 drivers/gpu/drm/i915/gt/uc/intel_uc.c | 12 ++++++------
 drivers/gpu/drm/i915/gt/uc/intel_uc.h | 16 ++++++++++++++--
 2 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
index e3d1359f9719..6c4554e27d07 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
@@ -276,13 +276,12 @@ static void guc_disable_communication(struct intel_guc *guc)
 	DRM_INFO("GuC communication disabled\n");
 }
 
-void intel_uc_fetch_firmwares(struct intel_uc *uc)
+static void __uc_fetch_firmwares(struct intel_uc *uc)
 {
 	struct drm_i915_private *i915 = uc_to_gt(uc)->i915;
 	int err;
 
-	if (!intel_uc_uses_guc(uc))
-		return;
+	GEM_BUG_ON(!intel_uc_uses_guc(uc));
 
 	err = intel_uc_fw_fetch(&uc->guc.fw, i915);
 	if (err)
@@ -292,10 +291,9 @@ void intel_uc_fetch_firmwares(struct intel_uc *uc)
 		intel_uc_fw_fetch(&uc->huc.fw, i915);
 }
 
-void intel_uc_cleanup_firmwares(struct intel_uc *uc)
+static void __uc_cleanup_firmwares(struct intel_uc *uc)
 {
-	if (!intel_uc_uses_guc(uc))
-		return;
+	GEM_BUG_ON(!intel_uc_uses_guc(uc));
 
 	if (intel_uc_uses_huc(uc))
 		intel_uc_fw_cleanup_fetch(&uc->huc.fw);
@@ -660,6 +658,8 @@ const struct intel_uc_ops uc_ops_off = {
 };
 
 const struct intel_uc_ops uc_ops_on = {
+	.init_fw = __uc_fetch_firmwares,
+	.fini_fw = __uc_cleanup_firmwares,
 	.init_hw = __uc_init_hw,
 	.fini_hw = __uc_fini_hw,
 };
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.h b/drivers/gpu/drm/i915/gt/uc/intel_uc.h
index 36643e17a09e..02068585f6ac 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.h
@@ -13,6 +13,8 @@
 struct intel_uc;
 
 struct intel_uc_ops {
+	void (*init_fw)(struct intel_uc *uc);
+	void (*fini_fw)(struct intel_uc *uc);
 	int (*init_hw)(struct intel_uc *uc);
 	void (*fini_hw)(struct intel_uc *uc);
 };
@@ -29,8 +31,6 @@ struct intel_uc {
 void intel_uc_init_early(struct intel_uc *uc);
 void intel_uc_driver_late_release(struct intel_uc *uc);
 void intel_uc_init_mmio(struct intel_uc *uc);
-void intel_uc_fetch_firmwares(struct intel_uc *uc);
-void intel_uc_cleanup_firmwares(struct intel_uc *uc);
 void intel_uc_sanitize(struct intel_uc *uc);
 void intel_uc_init(struct intel_uc *uc);
 void intel_uc_fini(struct intel_uc *uc);
@@ -70,6 +70,18 @@ static inline bool intel_uc_uses_huc(struct intel_uc *uc)
 	return intel_huc_is_enabled(&uc->huc);
 }
 
+static inline void intel_uc_fetch_firmwares(struct intel_uc *uc)
+{
+	if (uc->ops->init_fw)
+		uc->ops->init_fw(uc);
+}
+
+static inline void intel_uc_cleanup_firmwares(struct intel_uc *uc)
+{
+	if (uc->ops->fini_fw)
+		uc->ops->fini_fw(uc);
+}
+
 static inline int intel_uc_init_hw(struct intel_uc *uc)
 {
 	if (uc->ops->init_hw)
-- 
2.19.2