From: Eric Huang <JinHuiEric.Huang@amd.com>
Date: Tue, 6 Feb 2018 14:42:04 -0500
Subject: drm/amd/powerplay: implement set_mmhub_powergating_by_smu for Raven
Git-commit: b01a4f4897f3a03eada496dcde9b054998d65170
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
mmhub PG is enabled by SMU FW only for Raven.
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c | 6 ++++++
drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h | 3 ++-
2 files changed, 8 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
@@ -1026,6 +1026,11 @@ static int rv_read_sensor(struct pp_hwmg
return ret;
}
+static int rv_set_mmhub_powergating_by_smu(struct pp_hwmgr *hwmgr)
+{
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerGateMmHub);
+}
+
static const struct pp_hwmgr_func rv_hwmgr_funcs = {
.backend_init = rv_hwmgr_backend_init,
.backend_fini = rv_hwmgr_backend_fini,
@@ -1059,6 +1064,7 @@ static const struct pp_hwmgr_func rv_hwm
.asic_setup = rv_setup_asic_task,
.power_state_set = rv_set_power_state_tasks,
.dynamic_state_management_disable = rv_disable_dpm_tasks,
+ .set_mmhub_powergating_by_smu = rv_set_mmhub_powergating_by_smu,
};
int rv_init_function_pointers(struct pp_hwmgr *hwmgr)
--- a/drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h
@@ -80,7 +80,8 @@
#define PPSMC_MSG_SetSoftMaxSocclkByFreq 0x32
#define PPSMC_MSG_SetSoftMaxFclkByFreq 0x33
#define PPSMC_MSG_SetSoftMaxVcn 0x34
-#define PPSMC_Message_Count 0x35
+#define PPSMC_MSG_PowerGateMmHub 0x35
+#define PPSMC_Message_Count 0x36
typedef uint16_t PPSMC_Result;