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From 167bf1b482947d1f9ddefd2af713ece10a8ae332 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Mon, 25 Feb 2019 16:44:36 +0800
Subject: [PATCH 1574/2940] drm/amd/powerplay: correct power reading on fiji
Set sampling period as 500ms to provide a smooth power
reading output. Also, correct the register for power
reading.
Change-Id: I13935f3e7fcd026d34aa6a68cf7f683dc6785ab7
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 48187acac59e..83d3d935f3ac 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -3491,14 +3491,14 @@ static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr, u32 *query)
smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogStart);
cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
- ixSMU_PM_STATUS_94, 0);
+ ixSMU_PM_STATUS_95, 0);
for (i = 0; i < 10; i++) {
- mdelay(1);
+ mdelay(500);
smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogSample);
tmp = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC,
- ixSMU_PM_STATUS_94);
+ ixSMU_PM_STATUS_95);
if (tmp != 0)
break;
}
--
2.17.1
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