blob: b85992751c4d4c0327f30d3e0f7df0a762f6c213 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
From 6cce8648eac15d8b971fa03257e1811937bb5504 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Thu, 18 Oct 2018 17:54:06 +0800
Subject: [PATCH 0650/2940] drm/amd/powerplay: drop highest UCLK setting after
display configuration change
The UCLK is forced to highest at the start of display configuration
change. Downgrade the UCLK from highest after display configuration change.
Otherwise, we may see the UCLK stuck in the highest in some cases.
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/vega20_hwmgr.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index 810c60969496..783bcbd39235 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -2045,6 +2045,8 @@ static int vega20_notify_smc_display_config_after_ps_adjustment(
{
struct vega20_hwmgr *data =
(struct vega20_hwmgr *)(hwmgr->backend);
+ struct vega20_single_dpm_table *dpm_table =
+ &data->dpm_table.mem_table;
struct PP_Clocks min_clocks = {0};
struct pp_display_clock_request clock_req;
int ret = 0;
@@ -2075,6 +2077,15 @@ static int vega20_notify_smc_display_config_after_ps_adjustment(
}
}
+ if (data->smu_features[GNLD_DPM_UCLK].enabled) {
+ dpm_table->dpm_state.hard_min_level = min_clocks.memoryClock / 100;
+ 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)),
+ "[SetHardMinFreq] Set hard min uclk failed!",
+ return ret);
+ }
+
return 0;
}
--
2.17.1
|
