drm/i915/uc: Remove redundant GuC support checks

Since commit db81bc6e ("drm/i915/uc: Consider enable_guc
modparam during fw selection") we have started using firmware
status as main indicator of the GuC support. No need to use
same checks twice.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190804195052.31140-4-michal.wajdeczko@intel.com

drivers/gpu/drm/i915/gt/uc/intel_uc.c

@@ -306,9 +306,6 @@ int intel_uc_init(struct intel_uc *uc)
 	if (!intel_uc_supports_guc(uc))
 		return 0;
 
-	if (!intel_uc_fw_supported(&guc->fw))
-		return -ENODEV;
-
 	/* XXX: GuC submission is unavailable for now */
 	GEM_BUG_ON(intel_uc_supports_guc_submission(uc));
 
@@ -336,8 +333,6 @@ void intel_uc_fini(struct intel_uc *uc)
 	if (!intel_uc_supports_guc(uc))
 		return;
 
-	GEM_BUG_ON(!intel_uc_fw_supported(&guc->fw));
-
 	if (intel_uc_supports_huc(uc))
 		intel_huc_fini(&uc->huc);
 
@@ -351,7 +346,7 @@ static int __uc_sanitize(struct intel_uc *uc)
 	struct intel_guc *guc = &uc->guc;
 	struct intel_huc *huc = &uc->huc;
 
-	GEM_BUG_ON(!intel_uc_fw_supported(&guc->fw));
+	GEM_BUG_ON(!intel_uc_supports_guc(uc));
 
 	intel_huc_sanitize(huc);
 	intel_guc_sanitize(guc);
@@ -429,8 +424,6 @@ int intel_uc_init_hw(struct intel_uc *uc)
 	if (!intel_uc_supports_guc(uc))
 		return 0;
 
-	GEM_BUG_ON(!intel_uc_fw_supported(&guc->fw));
-
 	ret = uc_init_wopcm(uc);
 	if (ret)
 		goto err_out;
@@ -530,8 +523,6 @@ void intel_uc_fini_hw(struct intel_uc *uc)
 	if (!intel_guc_is_running(guc))
 		return;
 
-	GEM_BUG_ON(!intel_uc_fw_supported(&guc->fw));
-
 	if (intel_uc_supports_guc_submission(uc))
 		intel_guc_submission_disable(guc);