From 81d104f4afbfc6abb3b602356cf7263f69f7a156 Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Mon, 29 Nov 2021 15:57:44 +0800 Subject: [PATCH] drm/amdgpu: Don't halt RLC on GFX suspend 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 failed -62 [ 583.248504] [drm] free PSP TMR buffer Signed-off-by: Lijo Lazar Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- 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 ea99afb38d2b..5839918cb574 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -1474,7 +1474,7 @@ 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); -- 2.11.0