[PATCH] drm/amd/powerplay: Fix CZ SMU firmware load check

Tom St Denis tstdenis82 at gmail.com
Fri Aug 26 14:34:35 UTC 2016


Remove an errant return in the middle of the check
function as well as check for success in the start
function.

Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
---
 drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
index 87c023e518ab..654ffcf73769 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
@@ -195,9 +195,6 @@ static int cz_check_fw_load_finish(struct pp_smumgr *smumgr,
 	if (smumgr == NULL || smumgr->device == NULL)
 		return -EINVAL;
 
-	return cgs_read_register(smumgr->device,
-					mmSMU_MP1_SRBM2P_ARG_0);
-
 	cgs_write_register(smumgr->device, mmMP0PUB_IND_INDEX, index);
 
 	for (i = 0; i < smumgr->usec_timeout; i++) {
@@ -276,7 +273,9 @@ static int cz_start_smu(struct pp_smumgr *smumgr)
 		fw_to_check &= ~(UCODE_ID_SDMA1_MASK | UCODE_ID_CP_MEC_JT2_MASK);
 
 	cz_request_smu_load_fw(smumgr);
-	cz_check_fw_load_finish(smumgr, fw_to_check);
+	ret = cz_check_fw_load_finish(smumgr, fw_to_check);
+	if (ret)
+		printk(KERN_ERR "[ powerplay] SMU firmware load failed\n");
 
 	ret = cz_load_mec_firmware(smumgr);
 	if (ret)
-- 
2.9.2



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