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

[Huang Rui]

Signed-off-by: Huang Rui <ray.huang at amd.com>
---
 drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
index 2685f02..b3f3af2 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
@@ -378,8 +378,11 @@ 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;
 }
-- 
2.7.4