From 1538709c9f1c207d30afd95ea41b3aeb973f67e7 Mon Sep 17 00:00:00 2001
From: Tim Huang <tim.huang@amd.com>
Date: Sat, 21 Jan 2023 10:35:04 +0800
Subject: [PATCH] drm/amd/pm: drop unneeded dpm features disablement for SMU 13.0.4/11
Git-commit: 1538709c9f1c207d30afd95ea41b3aeb973f67e7
Patch-mainline: v6.2-rc7
References: bsc#1206843
PMFW will handle the features disablement properly for gpu reset case,
driver involvement may cause some unexpected issues.
Cc: stable@vger.kernel.org # 6.1
Signed-off-by: Tim Huang <tim.huang@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 ca3beb5d8f27..6ab155023592 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1499,6 +1499,20 @@ 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.
--
2.35.3