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From b5a4a8cdc49ef51930dc8c704a9341b66d0f3f6e Mon Sep 17 00:00:00 2001
From: Eric Huang <JinHuiEric.Huang@amd.com>
Date: Tue, 6 Feb 2018 14:38:38 -0500
Subject: [PATCH 3518/4131] drm/amd/powerplay: add mmhub powergating by smu in
powerplay
new generic interface is added in powerplay.
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>
---
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 78ac209..59464a9 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -1476,6 +1476,27 @@ 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,
@@ -1522,5 +1543,6 @@ 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 cea4ce7..4d96439 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
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