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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
From 4d72cf478bb98e8c372ad32817d69092c766366a Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Mon, 9 Oct 2017 12:22:21 +0800
Subject: [PATCH 1989/4131] drm/amd/pp: implement notify_smu_memory_info on
Powerplay
Change-Id: Ibdec9db5304ee169696bd2bf8a5eacdd546d496f
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 36 +++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 2010bbd..c330030 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -1163,6 +1163,41 @@ static int pp_dpm_switch_power_profile(void *handle,
return 0;
}
+static int pp_dpm_notify_smu_memory_info(void *handle,
+ uint32_t virtual_addr_low,
+ uint32_t virtual_addr_hi,
+ uint32_t mc_addr_low,
+ uint32_t mc_addr_hi,
+ uint32_t size)
+{
+ 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->notify_cac_buffer_info == NULL) {
+ pr_info("%s was not implemented.\n", __func__);
+ return -EINVAL;
+ }
+
+ mutex_lock(&pp_handle->pp_lock);
+
+ ret = hwmgr->hwmgr_func->notify_cac_buffer_info(hwmgr, virtual_addr_low,
+ virtual_addr_hi, mc_addr_low, mc_addr_hi,
+ size);
+
+ mutex_unlock(&pp_handle->pp_lock);
+
+ return ret;
+}
+
+
/* export this function to DAL */
static int pp_display_configuration_change(void *handle,
@@ -1435,6 +1470,7 @@ const struct amd_pm_funcs pp_dpm_funcs = {
.set_power_profile_state = pp_dpm_set_power_profile_state,
.switch_power_profile = pp_dpm_switch_power_profile,
.set_clockgating_by_smu = pp_set_clockgating_by_smu,
+ .notify_smu_memory_info = pp_dpm_notify_smu_memory_info,
/* export to DC */
.get_sclk = pp_dpm_get_sclk,
.get_mclk = pp_dpm_get_mclk,
--
2.7.4
|
