From: Huang Rui <ray.huang@amd.com>
Date: Thu, 20 Apr 2017 07:25:39 +0000 (+0800)
Subject: drm/amd/powerplay: add error message to remind user updating firmware
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=42f72d0b3754a7ecf1208f90cef45ba89a89f2e7;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drm/amd/powerplay: add error message to remind user updating firmware

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
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/vega10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
index 7a36a7404f73..21b61315fc40 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
@@ -369,8 +369,11 @@ static int vega10_verify_smc_interface(struct pp_smumgr *smumgr)
 			"Attempt to read SMC IF Version Number Failed!",
 			return -1);
 
-	if (smc_driver_if_version != SMU9_DRIVER_IF_VERSION)
-		return -1;
+	if (smc_driver_if_version != SMU9_DRIVER_IF_VERSION) {
+		pr_err("Your firmware(0x%x) doesn't match SMU9_DRIVER_IF_VERSION(0x%x). Please update your firmware!\n",
+		       smc_driver_if_version, SMU9_DRIVER_IF_VERSION);
+		return -EINVAL;
+	}
 
 	return 0;
 }