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authorEric Huang <JinHuiEric.Huang@amd.com>2018-02-06 14:42:04 -0500
committerAlex Deucher <alexander.deucher@amd.com>2018-02-19 14:19:40 -0500
commitb01a4f4897f3a03eada496dcde9b054998d65170 (patch)
tree172815409d586534c313e6406c40dd53a2790443 /drivers/gpu/drm/amd/powerplay
parent913fa7a14dd1b826fe1acf4e98c33f5e17a6104b (diff)
drm/amd/powerplay: implement set_mmhub_powergating_by_smu for Raven
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>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c6
-rw-r--r--drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h3
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c
index 409a56bb46c1..8ddfb78f28cc 100644
--- 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_hwmgr *hwmgr, int idx,
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_hwmgr_funcs = {
.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)
diff --git a/drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h b/drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h
index f15f4df9d0a9..426bff2aad2b 100644
--- 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;