1. There is a race condition when another ip also use same register pairs 2. check once at boot up by GetDriverIfVersion message is sufficient to check SMU health. so delete is_smc_ram_running check. Change-Id: I3c5f5ebac36c1ae4a7dd72f482fc27a4f362975e Signed-off-by: Rex Zhu <Rex.Zhu at amd.com> --- drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c | 27 ------------------------ 1 file changed, 27 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c index 6362d46..e6317fd 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c @@ -47,34 +47,10 @@ #define smnMP1_FIRMWARE_FLAGS 0x3010028 -bool rv_is_smc_ram_running(struct pp_hwmgr *hwmgr) -{ - uint32_t mp1_fw_flags, reg; - - reg = soc15_get_register_offset(NBIF_HWID, 0, - mmPCIE_INDEX2_BASE_IDX, mmPCIE_INDEX2); - - cgs_write_register(hwmgr->device, reg, - (MP1_Public | (smnMP1_FIRMWARE_FLAGS & 0xffffffff))); - - reg = soc15_get_register_offset(NBIF_HWID, 0, - mmPCIE_DATA2_BASE_IDX, mmPCIE_DATA2); - - mp1_fw_flags = cgs_read_register(hwmgr->device, reg); - - if (mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) - return true; - - return false; -} - static uint32_t rv_wait_for_response(struct pp_hwmgr *hwmgr) { uint32_t reg; - if (!rv_is_smc_ram_running(hwmgr)) - return -EINVAL; - reg = soc15_get_register_offset(MP1_HWID, 0, mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90); @@ -89,9 +65,6 @@ int rv_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr, { uint32_t reg; - if (!rv_is_smc_ram_running(hwmgr)) - return -EINVAL; - reg = soc15_get_register_offset(MP1_HWID, 0, mmMP1_SMN_C2PMSG_66_BASE_IDX, mmMP1_SMN_C2PMSG_66); cgs_write_register(hwmgr->device, reg, msg); -- 1.9.1