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From 76bafbf7f72090f72c7bfff21f1b5851a7f92f15 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Mon, 11 Jun 2018 17:22:33 +0800
Subject: [PATCH 4826/5725] drm/amd/powerplay: set vega12 pre display
configurations
Set num_displays to 0 and force uclk high as part of the mode
set sequence.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 41 ++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index 9125bc5..b673620 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -2111,6 +2111,45 @@ static int vega12_apply_clocks_adjust_rules(struct pp_hwmgr *hwmgr)
return 0;
}
+static int vega12_set_uclk_to_highest_dpm_level(struct pp_hwmgr *hwmgr,
+ struct vega12_single_dpm_table *dpm_table)
+{
+ struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
+ int ret = 0;
+
+ if (data->smu_features[GNLD_DPM_UCLK].enabled) {
+ PP_ASSERT_WITH_CODE(dpm_table->count > 0,
+ "[SetUclkToHightestDpmLevel] Dpm table has no entry!",
+ return -EINVAL);
+ PP_ASSERT_WITH_CODE(dpm_table->count <= NUM_UCLK_DPM_LEVELS,
+ "[SetUclkToHightestDpmLevel] Dpm table has too many entries!",
+ return -EINVAL);
+
+ dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;
+ PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_SetHardMinByFreq,
+ (PPCLK_UCLK << 16 ) | dpm_table->dpm_state.hard_min_level)),
+ "[SetUclkToHightestDpmLevel] Set hard min uclk failed!",
+ return ret);
+ }
+
+ return ret;
+}
+
+static int vega12_pre_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
+{
+ struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
+ int ret = 0;
+
+ smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_NumOfDisplays, 0);
+
+ ret = vega12_set_uclk_to_highest_dpm_level(hwmgr,
+ &data->dpm_table.mem_table);
+
+ return ret;
+}
+
static int vega12_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
{
struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend);
@@ -2365,6 +2404,8 @@ static const struct pp_hwmgr_func vega12_hwmgr_funcs = {
.print_clock_levels = vega12_print_clock_levels,
.apply_clocks_adjust_rules =
vega12_apply_clocks_adjust_rules,
+ .pre_display_config_changed =
+ vega12_pre_display_configuration_changed_task,
.display_config_changed = vega12_display_configuration_changed_task,
.powergate_uvd = vega12_power_gate_uvd,
.powergate_vce = vega12_power_gate_vce,
--
2.7.4
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