From: Tom St Denis Date: Fri, 26 Aug 2016 14:29:19 +0000 (-0400) Subject: drm/amd/powerplay: Fix CZ SMU firmware load check (v4) X-Git-Tag: v4.9-rc1~41^2~26^2~136 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b80b13f0cd775669828199ce9b3aee12b9cf8314;p=karo-tx-linux.git drm/amd/powerplay: Fix CZ SMU firmware load check (v4) Remove an errant return in the middle of the check function as well as check for success in the start function. (v2) Add return check to smu_load_fw() (v3) Don't return early if SMU load check fails (v4) No returns! :-) Signed-off-by: Tom St Denis Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c index 87c023e518ab..e6464e21f9b2 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++) { @@ -275,7 +272,10 @@ static int cz_start_smu(struct pp_smumgr *smumgr) if (smumgr->chip_id == CHIP_STONEY) fw_to_check &= ~(UCODE_ID_SDMA1_MASK | UCODE_ID_CP_MEC_JT2_MASK); - cz_request_smu_load_fw(smumgr); + ret = cz_request_smu_load_fw(smumgr); + if (ret) + printk(KERN_ERR "[ powerplay] SMU firmware load failed\n"); + cz_check_fw_load_finish(smumgr, fw_to_check); ret = cz_load_mec_firmware(smumgr);