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From 7a750e2011e84a86a7917b55e85a7d0a7dffbeea Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 7 Mar 2018 13:32:45 +0800
Subject: [PATCH 3790/4131] drm/amd/pp: Delete is_smc_ram_running function on
RV
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: Ibe3f96aa4071d959f2852a299576eb222478bdd9
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c | 27 ------------------------
drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.h | 1 -
2 files changed, 28 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c
index ac3350a..68cfb99 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);
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.h b/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.h
index 0ff4ac5..401265c 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.h
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.h
@@ -51,7 +51,6 @@ struct rv_smumgr {
};
int rv_read_arg_from_smc(struct pp_hwmgr *hwmgr, uint32_t *arg);
-bool rv_is_smc_ram_running(struct pp_hwmgr *hwmgr);
int rv_copy_table_from_smc(struct pp_hwmgr *hwmgr,
uint8_t *table, int16_t table_id);
int rv_copy_table_to_smc(struct pp_hwmgr *hwmgr,
--
2.7.4
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