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

[Quan, Evan]

Reviewed-by: Evan Quan <evan.quan at amd.com>

>-----Original Message-----
>From: Huang Rui [mailto:ray.huang at amd.com]
>Sent: Thursday, April 20, 2017 3:34 PM
>To: amd-gfx at lists.freedesktop.org
>Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Quan, Evan
><Evan.Quan at amd.com>; Huang, Ray <Ray.Huang at amd.com>
>Subject: [PATCH] drm/amd/powerplay: add error message to remind user
>updating firmware
>
>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