[PATCH 18/38] drm/amd/powerplay: export vega20 stable pstate clocks

[Alex Deucher]

From: Evan Quan <evan.q...@amd.com>

Signed-off-by: Evan Quan <evan.q...@amd.com>
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 26 +++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c 
b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index 289e3ee2006d..7b6e48a01c75 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -846,6 +846,25 @@ static int vega20_odn_initialize_default_settings(
        return 0;
 }
 
+static int vega20_populate_umdpstate_clocks(
+               struct pp_hwmgr *hwmgr)
+{
+       struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend);
+       struct vega20_single_dpm_table *gfx_table = 
&(data->dpm_table.gfx_table);
+       struct vega20_single_dpm_table *mem_table = 
&(data->dpm_table.mem_table);
+
+       hwmgr->pstate_sclk = gfx_table->dpm_levels[0].value;
+       hwmgr->pstate_mclk = mem_table->dpm_levels[0].value;
+
+       if (gfx_table->count > VEGA20_UMD_PSTATE_GFXCLK_LEVEL &&
+           mem_table->count > VEGA20_UMD_PSTATE_MCLK_LEVEL) {
+               hwmgr->pstate_sclk = 
gfx_table->dpm_levels[VEGA20_UMD_PSTATE_GFXCLK_LEVEL].value;
+               hwmgr->pstate_mclk = 
mem_table->dpm_levels[VEGA20_UMD_PSTATE_MCLK_LEVEL].value;
+       }
+
+       return 0;
+}
+
 static int vega20_get_max_sustainable_clock(struct pp_hwmgr *hwmgr,
                PP_Clock *clock, PPCLK_e clock_select)
 {
@@ -992,7 +1011,12 @@ static int vega20_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
                        "[EnableDPMTasks] Failed to initialize odn settings!",
                        return result);
 
-       return result;
+       result = vega20_populate_umdpstate_clocks(hwmgr);
+       PP_ASSERT_WITH_CODE(!result,
+                       "[EnableDPMTasks] Failed to populate umdpstate clocks!",
+                       return result);
+
+       return 0;
 }
 
 static uint32_t vega20_find_lowest_dpm_level(
-- 
2.13.6

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