* [PATCH RESEND] drm/amd/pm: drop unneeded dpm features disablement for SMU 13.0.4/11
@ 2023-01-28 3:36 Tim Huang
2023-01-30 2:27 ` Zhang, Yifan
0 siblings, 1 reply; 2+ messages in thread
From: Tim Huang @ 2023-01-28 3:36 UTC (permalink / raw)
To: amd-gfx
Cc: Yifan1.zhang, Xiaojian.Du, Tim Huang, li.ma, Alexander.Deucher,
mario.limonciello
PMFW will handle the features disablement properly for gpu reset case,
driver involvement may cause some unexpected issues.
Signed-off-by: Tim Huang <tim.huang@amd.com>
---
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index ec52830dde24..8bae3fe869cd 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1497,6 +1497,20 @@ static int smu_disable_dpms(struct smu_context *smu)
}
}
+ /*
+ * For SMU 13.0.4/11, PMFW will handle the features disablement properly
+ * for gpu reset case. Driver involvement is unnecessary.
+ */
+ if (amdgpu_in_reset(adev)) {
+ switch (adev->ip_versions[MP1_HWIP][0]) {
+ case IP_VERSION(13, 0, 4):
+ case IP_VERSION(13, 0, 11):
+ return 0;
+ default:
+ break;
+ }
+ }
+
/*
* For gpu reset, runpm and hibernation through BACO,
* BACO feature has to be kept enabled.
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* RE: [PATCH RESEND] drm/amd/pm: drop unneeded dpm features disablement for SMU 13.0.4/11
2023-01-28 3:36 [PATCH RESEND] drm/amd/pm: drop unneeded dpm features disablement for SMU 13.0.4/11 Tim Huang
@ 2023-01-30 2:27 ` Zhang, Yifan
0 siblings, 0 replies; 2+ messages in thread
From: Zhang, Yifan @ 2023-01-30 2:27 UTC (permalink / raw)
To: Huang, Tim, amd-gfx
Cc: Deucher, Alexander, Ma, Li, Du, Xiaojian, Limonciello, Mario
[AMD Official Use Only - General]
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
-----Original Message-----
From: Huang, Tim <Tim.Huang@amd.com>
Sent: Saturday, January 28, 2023 11:36 AM
To: amd-gfx@lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>; Zhang, Yifan <Yifan1.Zhang@amd.com>; Du, Xiaojian <Xiaojian.Du@amd.com>; Ma, Li <Li.Ma@amd.com>; Limonciello, Mario <Mario.Limonciello@amd.com>; Huang, Tim <Tim.Huang@amd.com>
Subject: [PATCH RESEND] drm/amd/pm: drop unneeded dpm features disablement for SMU 13.0.4/11
PMFW will handle the features disablement properly for gpu reset case, driver involvement may cause some unexpected issues.
Signed-off-by: Tim Huang <tim.huang@amd.com>
---
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index ec52830dde24..8bae3fe869cd 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1497,6 +1497,20 @@ static int smu_disable_dpms(struct smu_context *smu)
}
}
+ /*
+ * For SMU 13.0.4/11, PMFW will handle the features disablement properly
+ * for gpu reset case. Driver involvement is unnecessary.
+ */
+ if (amdgpu_in_reset(adev)) {
+ switch (adev->ip_versions[MP1_HWIP][0]) {
+ case IP_VERSION(13, 0, 4):
+ case IP_VERSION(13, 0, 11):
+ return 0;
+ default:
+ break;
+ }
+ }
+
/*
* For gpu reset, runpm and hibernation through BACO,
* BACO feature has to be kept enabled.
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
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