drm/i915/uc: Fetch uC firmware in init_early

We were fetching uC firmwares in separate uc_init_fw step, while
there is no reason why we can't fetch them during init_early.
This will also simplify upcoming patches, as size of the firmware
may be used for register initialization.

Signed-off-by: Michal Wajdeczko <[e-mail]>
Cc: Michal Winiarski <[e-mail]>
Cc: Sagar Arun Kamble <[e-mail]>
Cc: Chris Wilson <[e-mail]>
Cc: Joonas Lahtinen <[e-mail]>
Reviewed-by: Chris Wilson <[e-mail]>
Signed-off-by: Chris Wilson <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/i915/i915_drv.c

···
 	if (ret)
 		goto cleanup_irq;
 
-	intel_uc_init_fw(dev_priv);
-
 	ret = i915_gem_init(dev_priv);
 	if (ret)
-		goto cleanup_uc;
+		goto cleanup_irq;
 
 	intel_setup_overlay(dev_priv);
 
···
 	if (i915_gem_suspend(dev_priv))
 		DRM_ERROR("failed to idle hardware; continuing to unload!\n");
 	i915_gem_fini(dev_priv);
-cleanup_uc:
-	intel_uc_fini_fw(dev_priv);
 cleanup_irq:
 	drm_irq_uninstall(dev);
 	intel_teardown_gmbus(dev_priv);
···
 static void i915_driver_cleanup_early(struct drm_i915_private *dev_priv)
 {
 	intel_irq_fini(dev_priv);
+	intel_uc_cleanup_early(dev_priv);
 	i915_gem_cleanup_early(dev_priv);
 	i915_workqueues_cleanup(dev_priv);
 	i915_engines_cleanup(dev_priv);
···
 	i915_reset_error_state(dev_priv);
 
 	i915_gem_fini(dev_priv);
-	intel_uc_fini_fw(dev_priv);
 	intel_fbc_cleanup_cfb(dev_priv);
 
 	intel_power_domains_fini(dev_priv);

drivers/gpu/drm/i915/intel_guc_fw.c

···
  * Called from intel_uc_init_hw() during driver load, resume from sleep and
  * after a GPU reset.
  *
- * The firmware image should have already been fetched into memory by the
- * earlier call to intel_uc_init_fw(), so here we need to only check that
- * fetch succeeded, and then transfer the image to the h/w.
+ * The firmware image should have already been fetched into memory, so only
+ * check that fetch succeeded, and then transfer the image to the h/w.
  *
  * Return:	non-zero code on error
  */

drivers/gpu/drm/i915/intel_huc_fw.c

···
  * Called from intel_uc_init_hw() during driver load, resume from sleep and
  * after a GPU reset. Note that HuC must be loaded before GuC.
  *
- * The firmware image should have already been fetched into memory by the
- * earlier call to intel_uc_init_fw(), so here we need to only check that
- * fetch succeeded, and then transfer the image to the h/w.
+ * The firmware image should have already been fetched into memory, so only
+ * check that fetch succeeded, and then transfer the image to the h/w.
  *
  * Return:	non-zero code on error
  */

drivers/gpu/drm/i915/intel_uc.c

···
 	GEM_BUG_ON(i915_modparams.guc_log_level < 0);
 }
 
-void intel_uc_init_early(struct drm_i915_private *dev_priv)
+void intel_uc_init_early(struct drm_i915_private *i915)
 {
-	intel_guc_init_early(&dev_priv->guc);
-	intel_huc_init_early(&dev_priv->huc);
+	struct intel_guc *guc = &i915->guc;
+	struct intel_huc *huc = &i915->huc;
 
-	sanitize_options_early(dev_priv);
+	intel_guc_init_early(guc);
+	intel_huc_init_early(huc);
+
+	sanitize_options_early(i915);
+
+	if (USES_GUC(i915))
+		intel_uc_fw_fetch(i915, &guc->fw);
+
+	if (USES_HUC(i915))
+		intel_uc_fw_fetch(i915, &huc->fw);
 }
 
-void intel_uc_init_fw(struct drm_i915_private *dev_priv)
+void intel_uc_cleanup_early(struct drm_i915_private *i915)
 {
-	if (!USES_GUC(dev_priv))
-		return;
+	struct intel_guc *guc = &i915->guc;
+	struct intel_huc *huc = &i915->huc;
 
-	if (USES_HUC(dev_priv))
-		intel_uc_fw_fetch(dev_priv, &dev_priv->huc.fw);
+	if (USES_HUC(i915))
+		intel_uc_fw_fini(&huc->fw);
 
-	intel_uc_fw_fetch(dev_priv, &dev_priv->guc.fw);
-}
+	if (USES_GUC(i915))
+		intel_uc_fw_fini(&guc->fw);
 
-void intel_uc_fini_fw(struct drm_i915_private *dev_priv)
-{
-	if (!USES_GUC(dev_priv))
-		return;
-
-	intel_uc_fw_fini(&dev_priv->guc.fw);
-
-	if (USES_HUC(dev_priv))
-		intel_uc_fw_fini(&dev_priv->huc.fw);
-
-	guc_free_load_err_log(&dev_priv->guc);
+	guc_free_load_err_log(guc);
 }
 
 /**

drivers/gpu/drm/i915/intel_uc.h

···
 #include "i915_params.h"
 
 void intel_uc_init_early(struct drm_i915_private *dev_priv);
+void intel_uc_cleanup_early(struct drm_i915_private *dev_priv);
 void intel_uc_init_mmio(struct drm_i915_private *dev_priv);
-void intel_uc_init_fw(struct drm_i915_private *dev_priv);
-void intel_uc_fini_fw(struct drm_i915_private *dev_priv);
 int intel_uc_init_misc(struct drm_i915_private *dev_priv);
 void intel_uc_fini_misc(struct drm_i915_private *dev_priv);
 void intel_uc_sanitize(struct drm_i915_private *dev_priv);