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drm/amd/pp: Add debug info when smu failed on Vega10

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When smu msssage failed, print out return value in dmesg.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2018-02-22 16:50:57 +08:00 committed by Alex Deucher
parent bd58c48c10
commit baeb7721b1
1 changed files with 13 additions and 5 deletions
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18
drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
View file

@ -83,13 +83,17 @@ static bool vega10_is_smc_ram_running(struct pp_hwmgr *hwmgr)
static uint32_t vega10_wait_for_response(struct pp_hwmgr *hwmgr)
{
uint32_t reg;
uint32_t ret;
reg = soc15_get_register_offset(MP1_HWID, 0,
mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
phm_wait_for_register_unequal(hwmgr, reg,
ret = phm_wait_for_register_unequal(hwmgr, reg,
0, MP1_C2PMSG_90__CONTENT_MASK);
if (ret)
pr_err("No response from smu\n");
return cgs_read_register(hwmgr->device, reg);
}
@ -120,6 +124,7 @@ int vega10_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr,
int vega10_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
{
uint32_t reg;
uint32_t ret;
vega10_wait_for_response(hwmgr);
@ -129,8 +134,9 @@ int vega10_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
vega10_send_msg_to_smc_without_waiting(hwmgr, msg);
if (vega10_wait_for_response(hwmgr) != 1)
pr_err("Failed to send message: 0x%x\n", msg);
ret = vega10_wait_for_response(hwmgr);
if (ret != 1)
pr_err("Failed to send message: 0x%x, ret value: 0x%x\n", msg, ret);
return 0;
}
@ -146,6 +152,7 @@ int vega10_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
uint16_t msg, uint32_t parameter)
{
uint32_t reg;
uint32_t ret;
vega10_wait_for_response(hwmgr);
@ -159,8 +166,9 @@ int vega10_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
vega10_send_msg_to_smc_without_waiting(hwmgr, msg);
if (vega10_wait_for_response(hwmgr) != 1)
pr_err("Failed to send message: 0x%x\n", msg);
ret = vega10_wait_for_response(hwmgr);
if (ret != 1)
pr_err("Failed to send message: 0x%x, ret value: 0x%x\n", msg, ret);
return 0;
}