Signed-off-by: Eric Huang <JinHuiEric.Huang at amd.com>
---
drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 22 ++++++++++++++++++++++
drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 1 +
2 files changed, 23 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index c571f8e..7c4b88a 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -1475,6 +1475,27 @@ static int pp_get_display_mode_validation_clocks(void *handle,
return ret;
}
+static int pp_set_mmhub_powergating_by_smu(void *handle)
+{
+ struct pp_hwmgr *hwmgr;
+ struct pp_instance *pp_handle = (struct pp_instance *)handle;
+ int ret = 0;
+
+ ret = pp_check(pp_handle);
+
+ if (ret)
+ return ret;
+
+ hwmgr = pp_handle->hwmgr;
+
+ if (hwmgr->hwmgr_func->set_mmhub_powergating_by_smu == NULL) {
+ pr_info("%s was not implemented.\n", __func__);
+ return 0;
+ }
+
+ return hwmgr->hwmgr_func->set_mmhub_powergating_by_smu(hwmgr);
+}
+
const struct amd_pm_funcs pp_dpm_funcs = {
.load_firmware = pp_dpm_load_fw,
.wait_for_fw_loading_complete = pp_dpm_fw_loading_complete,
@@ -1521,4 +1542,5 @@ const struct amd_pm_funcs pp_dpm_funcs = {
.set_watermarks_for_clocks_ranges = pp_set_watermarks_for_clocks_ranges,
.display_clock_voltage_request = pp_display_clock_voltage_request,
.get_display_mode_validation_clocks = pp_get_display_mode_validation_clocks,
+ .set_mmhub_powergating_by_smu = pp_set_mmhub_powergating_by_smu,
};
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index 5512dc2..47a1083 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -347,6 +347,7 @@ struct pp_hwmgr_func {
int (*odn_edit_dpm_table)(struct pp_hwmgr *hwmgr,
enum PP_OD_DPM_TABLE_COMMAND type,
long *input, uint32_t size);
+ int (*set_mmhub_powergating_by_smu)(struct pp_hwmgr *hwmgr);
};
struct pp_table_func {
--
2.7.4
