blob: 602747fe57c93c4e5113021d272ac68fdad7b591 (
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
|
From 048a5b8c614e7ac812f792957b41bc6acf659a1f Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 29 Nov 2018 19:35:14 -0500
Subject: [PATCH 0911/2940] drm/amdgpu/powerplay: check MC firmware for FFC
support
Check if the MC firmware supports FFC and tell the SMC so
mclk switching is handled properly.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 8e44ad3a1d92..d91390459326 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -4226,9 +4226,17 @@ static int smu7_check_mc_firmware(struct pp_hwmgr *hwmgr)
if (tmp & (1 << 23)) {
data->mem_latency_high = MEM_LATENCY_HIGH;
data->mem_latency_low = MEM_LATENCY_LOW;
+ if ((hwmgr->chip_id == CHIP_POLARIS10) ||
+ (hwmgr->chip_id == CHIP_POLARIS11) ||
+ (hwmgr->chip_id == CHIP_POLARIS12))
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableFFC);
} else {
data->mem_latency_high = 330;
data->mem_latency_low = 330;
+ if ((hwmgr->chip_id == CHIP_POLARIS10) ||
+ (hwmgr->chip_id == CHIP_POLARIS11) ||
+ (hwmgr->chip_id == CHIP_POLARIS12))
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisableFFC);
}
return 0;
--
2.17.1
|
