From 39402359ced5b009834bea04d846ffeeeb6f55af Mon Sep 17 00:00:00 2001
From: Lijo Lazar <lijo.lazar@amd.com>
Date: Mon, 29 Nov 2021 15:57:44 +0800
Subject: drm/amdgpu: Don't halt RLC on GFX suspend
Git-commit: e0570f0b6e2e88be7ef99d1194b153cb054a2107
Patch-mainline: v5.16-rc4
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
On aldebaran, RLC also controls GFXCLK. Skip halting RLC during GFX IP suspend
and keep it running till PMFW disables all DPMs.
[ 578.019986] amdgpu 0000:23:00.0: amdgpu: GPU reset begin!
[ 583.245566] amdgpu 0000:23:00.0: amdgpu: Failed to disable smu features.
[ 583.245621] amdgpu 0000:23:00.0: amdgpu: Fail to disable dpm features!
[ 583.245639] [drm:amdgpu_device_ip_suspend_phase2 [amdgpu]] *ERROR* suspend of IP block <smu> failed -62
[ 583.248504] [drm] free PSP TMR buffer
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 7 ++++---
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 2 +-
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 34478bcc4d09..b305fd39874f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -4060,9 +4060,10 @@ static int gfx_v9_0_hw_fini(void *handle)
gfx_v9_0_cp_enable(adev, false);
- /* Skip suspend with A+A reset */
- if (adev->gmc.xgmi.connected_to_cpu && amdgpu_in_reset(adev)) {
- dev_dbg(adev->dev, "Device in reset. Skipping RLC halt\n");
+ /* Skip stopping RLC with A+A reset or when RLC controls GFX clock */
+ if ((adev->gmc.xgmi.connected_to_cpu && amdgpu_in_reset(adev)) ||
+ (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 4, 2))) {
+ dev_dbg(adev->dev, "Skipping RLC halt\n");
return 0;
}
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 01168b8955bf..8a3244585d80 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1468,7 +1468,7 @@ static int smu_disable_dpms(struct smu_context *smu)
dev_err(adev->dev, "Failed to disable smu features.\n");
}
- if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 0, 0) &&
+ if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(9, 4, 2) &&
adev->gfx.rlc.funcs->stop)
adev->gfx.rlc.funcs->stop(adev);
--
2.38.1