AMD-GFX Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH] drm/amd/pp: Clean register first to avoid read original value
Date: Fri, 30 Mar 2018 15:33:26 +0800	[thread overview]
Message-ID: <1522395206-5860-1-git-send-email-Rex.Zhu@amd.com> (raw)

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index aaa9f5b..38cf3a1 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -3368,6 +3368,19 @@ static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr,
 			"Failed to start pm status log!",
 			return -1);
 
+	cgs_write_ind_register(hwmgr->device,
+			CGS_IND_REG__SMC,
+			ixSMU_PM_STATUS_40, 0);
+	cgs_write_ind_register(hwmgr->device,
+			CGS_IND_REG__SMC,
+			ixSMU_PM_STATUS_49, 0);
+	cgs_write_ind_register(hwmgr->device,
+			CGS_IND_REG__SMC,
+			ixSMU_PM_STATUS_94, 0);
+	cgs_write_ind_register(hwmgr->device,
+			CGS_IND_REG__SMC,
+			ixSMU_PM_STATUS_95, 0);
+
 	/* Sampling period from 50ms to 4sec */
 	msleep_interruptible(200);
 
-- 
1.9.1

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

             reply	other threads:[~2018-03-30  7:33 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-30  7:33 Rex Zhu [this message]
     [not found] ` <1522395206-5860-1-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org>
2018-03-30 12:53   ` [PATCH] drm/amd/pp: Clean register first to avoid read original value Deucher, Alexander
2018-03-30 14:36   ` Eric Huang
     [not found]     ` <c42b3004-8b75-60d2-0f2b-45e1e9a2f1f6-5C7GfCeVMHo@public.gmane.org>
2018-03-30 15:22       ` Eric Huang
     [not found]         ` <9bac98b9-4add-6214-f461-bfd91d5636ad-5C7GfCeVMHo@public.gmane.org>
2018-03-31  0:28           ` Zhu, Rex
     [not found]             ` <CY4PR12MB16872AF3D8207BF4ACBC023FFBA00-rpdhrqHFk06Y0SjTqZDccQdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2018-03-31  1:45               ` Eric Huang

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1522395206-5860-1-git-send-email-Rex.Zhu@amd.com \
    --to=rex.zhu-5c7gfcevmho@public.gmane.org \
    --cc=amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox