drm/i915/guc: Add Broxton GuC firmware loading support

Issue: VIZ-7772
Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: peter.antoine@intel.com
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462531373-34819-2-git-send-email-nicholas.hoath@intel.com

drivers/gpu/drm/i915/intel_guc_loader.c

@@ -62,6 +62,9 @@
 #define I915_SKL_GUC_UCODE "i915/skl_guc_ver6_1.bin"
 MODULE_FIRMWARE(I915_SKL_GUC_UCODE);
 
+#define I915_BXT_GUC_UCODE "i915/bxt_guc_ver8_7.bin"
+MODULE_FIRMWARE(I915_BXT_GUC_UCODE);
+
 /* User-friendly representation of an enum */
 const char *intel_guc_fw_status_repr(enum intel_guc_fw_status status)
 {
@@ -640,6 +643,10 @@ void intel_guc_ucode_init(struct drm_device *dev)
 		fw_path = I915_SKL_GUC_UCODE;
 		guc_fw->guc_fw_major_wanted = 6;
 		guc_fw->guc_fw_minor_wanted = 1;
+	} else if (IS_BROXTON(dev)) {
+		fw_path = I915_BXT_GUC_UCODE;
+		guc_fw->guc_fw_major_wanted = 8;
+		guc_fw->guc_fw_minor_wanted = 7;
 	} else {
 		i915.enable_guc_submission = false;
 		fw_path = "";	/* unknown device */