In send_message_to_smu helper functions,
Print out the error code for debug if smu failed to response.

and the helper functions always return true, so no need to
check their return value.

Signed-off-by: Rex Zhu <rex....@amd.com>

Change-Id: I27da8bf22d3cea0df968df7b0809dc727461762f
---
 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c   | 72 +++++------------
 drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c | 98 ++++++++----------------
 2 files changed, 53 insertions(+), 117 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c 
b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
index 8ddfb78..4b5c5fc 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
@@ -243,8 +243,7 @@ static int rv_disable_gfx_off(struct pp_hwmgr *hwmgr)
        struct rv_hwmgr *rv_data = (struct rv_hwmgr *)(hwmgr->backend);
 
        if (rv_data->gfx_off_controled_by_driver)
-               smum_send_msg_to_smc(hwmgr,
-                                               PPSMC_MSG_DisableGfxOff);
+               smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisableGfxOff);
 
        return 0;
 }
@@ -259,8 +258,7 @@ static int rv_enable_gfx_off(struct pp_hwmgr *hwmgr)
        struct rv_hwmgr *rv_data = (struct rv_hwmgr *)(hwmgr->backend);
 
        if (rv_data->gfx_off_controled_by_driver)
-               smum_send_msg_to_smc(hwmgr,
-                                               PPSMC_MSG_EnableGfxOff);
+               smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableGfxOff);
 
        return 0;
 }
@@ -387,24 +385,12 @@ static int rv_populate_clock_table(struct pp_hwmgr *hwmgr)
        rv_get_clock_voltage_dependency_table(hwmgr, &pinfo->vdd_dep_on_phyclk,
                                        ARRAY_SIZE(VddPhyClk), &VddPhyClk[0]);
 
-       PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
-                       PPSMC_MSG_GetMinGfxclkFrequency),
-                       "Attempt to get min GFXCLK Failed!",
-                       return -1);
-       PP_ASSERT_WITH_CODE(!rv_read_arg_from_smc(hwmgr,
-                       &result),
-                       "Attempt to get min GFXCLK Failed!",
-                       return -1);
+       smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMinGfxclkFrequency);
+       rv_read_arg_from_smc(hwmgr, &result);
        rv_data->gfx_min_freq_limit = result * 100;
 
-       PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
-                       PPSMC_MSG_GetMaxGfxclkFrequency),
-                       "Attempt to get max GFXCLK Failed!",
-                       return -1);
-       PP_ASSERT_WITH_CODE(!rv_read_arg_from_smc(hwmgr,
-                       &result),
-                       "Attempt to get max GFXCLK Failed!",
-                       return -1);
+       smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxGfxclkFrequency);
+       rv_read_arg_from_smc(hwmgr, &result);
        rv_data->gfx_max_freq_limit = result * 100;
 
        return 0;
@@ -739,14 +725,8 @@ static int rv_print_clock_levels(struct pp_hwmgr *hwmgr,
 
        switch (type) {
        case PP_SCLK:
-               PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
-                               PPSMC_MSG_GetGfxclkFrequency),
-                               "Attempt to get current GFXCLK Failed!",
-                               return -1);
-               PP_ASSERT_WITH_CODE(!rv_read_arg_from_smc(hwmgr,
-                               &now),
-                               "Attempt to get current GFXCLK Failed!",
-                               return -1);
+               smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency);
+               rv_read_arg_from_smc(hwmgr, &now);
 
                size += sprintf(buf + size, "0: %uMhz %s\n",
                                data->gfx_min_freq_limit / 100,
@@ -758,14 +738,8 @@ static int rv_print_clock_levels(struct pp_hwmgr *hwmgr,
                                 == now) ? "*" : "");
                break;
        case PP_MCLK:
-               PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
-                               PPSMC_MSG_GetFclkFrequency),
-                               "Attempt to get current MEMCLK Failed!",
-                               return -1);
-               PP_ASSERT_WITH_CODE(!rv_read_arg_from_smc(hwmgr,
-                               &now),
-                               "Attempt to get current MEMCLK Failed!",
-                               return -1);
+               smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency);
+               rv_read_arg_from_smc(hwmgr, &now);
 
                for (i = 0; i < mclk_table->count; i++)
                        size += sprintf(buf + size, "%d: %uMhz %s\n",
@@ -935,7 +909,6 @@ static int rv_get_clock_by_type_with_voltage(struct 
pp_hwmgr *hwmgr,
 int rv_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
                struct pp_display_clock_request *clock_req)
 {
-       int result = 0;
        struct rv_hwmgr *rv_data = (struct rv_hwmgr *)(hwmgr->backend);
        enum amd_pp_clock_type clk_type = clock_req->clock_type;
        uint32_t clk_freq = clock_req->clock_freq_in_khz / 1000;
@@ -962,10 +935,9 @@ int rv_display_clock_voltage_request(struct pp_hwmgr 
*hwmgr,
                return -EINVAL;
        }
 
-       result = smum_send_msg_to_smc_with_parameter(hwmgr, msg,
-                                                       clk_freq);
+       smum_send_msg_to_smc_with_parameter(hwmgr, msg, clk_freq);
 
-       return result;
+       return 0;
 }
 
 static int rv_get_max_high_clocks(struct pp_hwmgr *hwmgr, struct 
amd_pp_simple_clock_info *clocks)
@@ -998,22 +970,18 @@ static int rv_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 
        switch (idx) {
        case AMDGPU_PP_SENSOR_GFX_SCLK:
-               ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency);
-               if (!ret) {
-                       rv_read_arg_from_smc(hwmgr, &sclk);
+               smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency);
+               rv_read_arg_from_smc(hwmgr, &sclk);
                        /* in units of 10KHZ */
-                       *((uint32_t *)value) = sclk * 100;
-                       *size = 4;
-               }
+               *((uint32_t *)value) = sclk * 100;
+               *size = 4;
                break;
        case AMDGPU_PP_SENSOR_GFX_MCLK:
-               ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency);
-               if (!ret) {
-                       rv_read_arg_from_smc(hwmgr, &mclk);
+               smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency);
+               rv_read_arg_from_smc(hwmgr, &mclk);
                        /* in units of 10KHZ */
-                       *((uint32_t *)value) = mclk * 100;
-                       *size = 4;
-               }
+               *((uint32_t *)value) = mclk * 100;
+               *size = 4;
                break;
        case AMDGPU_PP_SENSOR_GPU_TEMP:
                *((uint32_t *)value) = rv_thermal_get_temperature(hwmgr);
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c 
b/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c
index e6317fd..b64bfe3 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c
@@ -139,20 +139,15 @@ int rv_copy_table_from_smc(struct pp_hwmgr *hwmgr,
                        "Invalid SMU Table version!", return -EINVAL;);
        PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
                        "Invalid SMU Table Length!", return -EINVAL;);
-       PP_ASSERT_WITH_CODE(rv_send_msg_to_smc_with_parameter(hwmgr,
+       rv_send_msg_to_smc_with_parameter(hwmgr,
                        PPSMC_MSG_SetDriverDramAddrHigh,
-                       
upper_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0,
-                       "[CopyTableFromSMC] Attempt to Set Dram Addr High 
Failed!", return -EINVAL;);
-       PP_ASSERT_WITH_CODE(rv_send_msg_to_smc_with_parameter(hwmgr,
+                       
upper_32_bits(priv->smu_tables.entry[table_id].mc_addr));
+       rv_send_msg_to_smc_with_parameter(hwmgr,
                        PPSMC_MSG_SetDriverDramAddrLow,
-                       
lower_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0,
-                       "[CopyTableFromSMC] Attempt to Set Dram Addr Low 
Failed!",
-                       return -EINVAL;);
-       PP_ASSERT_WITH_CODE(rv_send_msg_to_smc_with_parameter(hwmgr,
+                       
lower_32_bits(priv->smu_tables.entry[table_id].mc_addr));
+       rv_send_msg_to_smc_with_parameter(hwmgr,
                        PPSMC_MSG_TransferTableSmu2Dram,
-                       priv->smu_tables.entry[table_id].table_id) == 0,
-                       "[CopyTableFromSMC] Attempt to Transfer Table From SMU 
Failed!",
-                       return -EINVAL;);
+                       priv->smu_tables.entry[table_id].table_id);
 
        memcpy(table, (uint8_t *)priv->smu_tables.entry[table_id].table,
                        priv->smu_tables.entry[table_id].size);
@@ -176,21 +171,15 @@ int rv_copy_table_to_smc(struct pp_hwmgr *hwmgr,
        memcpy(priv->smu_tables.entry[table_id].table, table,
                        priv->smu_tables.entry[table_id].size);
 
-       PP_ASSERT_WITH_CODE(rv_send_msg_to_smc_with_parameter(hwmgr,
+       rv_send_msg_to_smc_with_parameter(hwmgr,
                        PPSMC_MSG_SetDriverDramAddrHigh,
-                       
upper_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0,
-                       "[CopyTableToSMC] Attempt to Set Dram Addr High 
Failed!",
-                       return -EINVAL;);
-       PP_ASSERT_WITH_CODE(rv_send_msg_to_smc_with_parameter(hwmgr,
+                       
upper_32_bits(priv->smu_tables.entry[table_id].mc_addr));
+       rv_send_msg_to_smc_with_parameter(hwmgr,
                        PPSMC_MSG_SetDriverDramAddrLow,
-                       
lower_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0,
-                       "[CopyTableToSMC] Attempt to Set Dram Addr Low Failed!",
-                       return -EINVAL;);
-       PP_ASSERT_WITH_CODE(rv_send_msg_to_smc_with_parameter(hwmgr,
+                       
lower_32_bits(priv->smu_tables.entry[table_id].mc_addr));
+       rv_send_msg_to_smc_with_parameter(hwmgr,
                        PPSMC_MSG_TransferTableDram2Smu,
-                       priv->smu_tables.entry[table_id].table_id) == 0,
-                       "[CopyTableToSMC] Attempt to Transfer Table To SMU 
Failed!",
-                       return -EINVAL;);
+                       priv->smu_tables.entry[table_id].table_id);
 
        return 0;
 }
@@ -199,61 +188,43 @@ static int rv_verify_smc_interface(struct pp_hwmgr *hwmgr)
 {
        uint32_t smc_driver_if_version;
 
-       PP_ASSERT_WITH_CODE(!rv_send_msg_to_smc(hwmgr,
-                       PPSMC_MSG_GetDriverIfVersion),
-                       "Attempt to get SMC IF Version Number Failed!",
-                       return -EINVAL);
-       PP_ASSERT_WITH_CODE(!rv_read_arg_from_smc(hwmgr,
-                       &smc_driver_if_version),
-                       "Attempt to read SMC IF Version Number Failed!",
-                       return -EINVAL);
+       rv_send_msg_to_smc(hwmgr,
+                       PPSMC_MSG_GetDriverIfVersion);
+       rv_read_arg_from_smc(hwmgr,
+                       &smc_driver_if_version);
 
-       if (smc_driver_if_version != SMU10_DRIVER_IF_VERSION)
+       if (smc_driver_if_version != SMU10_DRIVER_IF_VERSION) {
+               pr_err("Attempt to read SMC IF Version Number Failed!\n");
                return -EINVAL;
+       }
 
        return 0;
 }
 
 /* sdma is disabled by default in vbios, need to re-enable in driver */
-static int rv_smc_enable_sdma(struct pp_hwmgr *hwmgr)
+static void rv_smc_enable_sdma(struct pp_hwmgr *hwmgr)
 {
-       PP_ASSERT_WITH_CODE(!rv_send_msg_to_smc(hwmgr,
-                       PPSMC_MSG_PowerUpSdma),
-                       "Attempt to power up sdma Failed!",
-                       return -EINVAL);
-
-       return 0;
+       rv_send_msg_to_smc(hwmgr,
+                       PPSMC_MSG_PowerUpSdma);
 }
 
-static int rv_smc_disable_sdma(struct pp_hwmgr *hwmgr)
+static void rv_smc_disable_sdma(struct pp_hwmgr *hwmgr)
 {
-       PP_ASSERT_WITH_CODE(!rv_send_msg_to_smc(hwmgr,
-                       PPSMC_MSG_PowerDownSdma),
-                       "Attempt to power down sdma Failed!",
-                       return -EINVAL);
-
-       return 0;
+       rv_send_msg_to_smc(hwmgr,
+                       PPSMC_MSG_PowerDownSdma);
 }
 
 /* vcn is disabled by default in vbios, need to re-enable in driver */
-static int rv_smc_enable_vcn(struct pp_hwmgr *hwmgr)
+static void rv_smc_enable_vcn(struct pp_hwmgr *hwmgr)
 {
-       PP_ASSERT_WITH_CODE(!rv_send_msg_to_smc_with_parameter(hwmgr,
-                       PPSMC_MSG_PowerUpVcn, 0),
-                       "Attempt to power up vcn Failed!",
-                       return -EINVAL);
-
-       return 0;
+       rv_send_msg_to_smc_with_parameter(hwmgr,
+                       PPSMC_MSG_PowerUpVcn, 0);
 }
 
-static int rv_smc_disable_vcn(struct pp_hwmgr *hwmgr)
+static void rv_smc_disable_vcn(struct pp_hwmgr *hwmgr)
 {
-       PP_ASSERT_WITH_CODE(!rv_send_msg_to_smc_with_parameter(hwmgr,
-                       PPSMC_MSG_PowerDownVcn, 0),
-                       "Attempt to power down vcn Failed!",
-                       return -EINVAL);
-
-       return 0;
+       rv_send_msg_to_smc_with_parameter(hwmgr,
+                       PPSMC_MSG_PowerDownVcn, 0);
 }
 
 static int rv_smu_fini(struct pp_hwmgr *hwmgr)
@@ -289,11 +260,8 @@ static int rv_start_smu(struct pp_hwmgr *hwmgr)
 
        if (rv_verify_smc_interface(hwmgr))
                return -EINVAL;
-       if (rv_smc_enable_sdma(hwmgr))
-               return -EINVAL;
-       if (rv_smc_enable_vcn(hwmgr))
-               return -EINVAL;
-
+       rv_smc_enable_sdma(hwmgr);
+       rv_smc_enable_vcn(hwmgr);
        return 0;
 }
 
-- 
1.9.1

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