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From e290a846503b9a28d5cd012c487badb8ea631073 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Tue, 8 May 2018 18:23:16 +0800
Subject: [PATCH 5132/5725] drm/amd/powerplay: export vega20 stable pstate
clocks
Needed for querying the stable pstate clocks.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@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 289e3ee..7b6e48a 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(
--
2.7.4
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