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path: root/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
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Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c56
1 files changed, 42 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
index 4240aeec9000..b6fb48066841 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
@@ -103,14 +103,6 @@ int smum_process_firmware_header(struct pp_hwmgr *hwmgr)
return 0;
}
-uint32_t smum_get_argument(struct pp_hwmgr *hwmgr)
-{
- if (NULL != hwmgr->smumgr_funcs->get_argument)
- return hwmgr->smumgr_funcs->get_argument(hwmgr);
-
- return 0;
-}
-
uint32_t smum_get_mac_definition(struct pp_hwmgr *hwmgr, uint32_t value)
{
if (NULL != hwmgr->smumgr_funcs->get_mac_definition)
@@ -135,22 +127,58 @@ int smum_upload_powerplay_table(struct pp_hwmgr *hwmgr)
return 0;
}
-int smum_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
+int smum_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg, uint32_t *resp)
{
- if (hwmgr == NULL || hwmgr->smumgr_funcs->send_msg_to_smc == NULL)
+ int ret = 0;
+
+ if (hwmgr == NULL ||
+ hwmgr->smumgr_funcs->send_msg_to_smc == NULL ||
+ (resp && !hwmgr->smumgr_funcs->get_argument))
return -EINVAL;
- return hwmgr->smumgr_funcs->send_msg_to_smc(hwmgr, msg);
+ mutex_lock(&hwmgr->msg_lock);
+
+ ret = hwmgr->smumgr_funcs->send_msg_to_smc(hwmgr, msg);
+ if (ret) {
+ mutex_unlock(&hwmgr->msg_lock);
+ return ret;
+ }
+
+ if (resp)
+ *resp = hwmgr->smumgr_funcs->get_argument(hwmgr);
+
+ mutex_unlock(&hwmgr->msg_lock);
+
+ return ret;
}
int smum_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
- uint16_t msg, uint32_t parameter)
+ uint16_t msg,
+ uint32_t parameter,
+ uint32_t *resp)
{
+ int ret = 0;
+
if (hwmgr == NULL ||
- hwmgr->smumgr_funcs->send_msg_to_smc_with_parameter == NULL)
+ hwmgr->smumgr_funcs->send_msg_to_smc_with_parameter == NULL ||
+ (resp && !hwmgr->smumgr_funcs->get_argument))
return -EINVAL;
- return hwmgr->smumgr_funcs->send_msg_to_smc_with_parameter(
+
+ mutex_lock(&hwmgr->msg_lock);
+
+ ret = hwmgr->smumgr_funcs->send_msg_to_smc_with_parameter(
hwmgr, msg, parameter);
+ if (ret) {
+ mutex_unlock(&hwmgr->msg_lock);
+ return ret;
+ }
+
+ if (resp)
+ *resp = hwmgr->smumgr_funcs->get_argument(hwmgr);
+
+ mutex_unlock(&hwmgr->msg_lock);
+
+ return ret;
}
int smum_init_smc_table(struct pp_hwmgr *hwmgr)