From: Evan Quan <evan.quan@amd.com>
Date: Fri, 15 Jun 2018 22:22:38 +0000 (-0500)
Subject: drm/amd/powerplay: update smu10_verify_smc_interface() to be raven2 compatible
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3e9d06b56f405aa53675efdc81a5417da6fc130a;p=openwrt%2Fstaging%2Fblogic.git

drm/amd/powerplay: update smu10_verify_smc_interface() to be raven2 compatible

Check the raven2 version number as well.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c
index bb07d43f3874..6f961dec2088 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c
@@ -177,7 +177,8 @@ static int smu10_verify_smc_interface(struct pp_hwmgr *hwmgr)
 			PPSMC_MSG_GetDriverIfVersion);
 	smc_driver_if_version = smu10_read_arg_from_smc(hwmgr);
 
-	if (smc_driver_if_version != SMU10_DRIVER_IF_VERSION) {
+	if ((smc_driver_if_version != SMU10_DRIVER_IF_VERSION) &&
+	    (smc_driver_if_version != SMU10_DRIVER_IF_VERSION + 1)) {
 		pr_err("Attempt to read SMC IF Version Number Failed!\n");
 		return -EINVAL;
 	}