From ed606f8a346b9040008794a261b43902818efd7b Mon Sep 17 00:00:00 2001
From: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Date: Fri, 11 Oct 2019 10:32:59 -0400
Subject: dmr/amdgpu: Fix crash on SRIOV for ERREVENT_ATHUB_INTERRUPT
interrupt.
Git-commit: ed606f8a346b9040008794a261b43902818efd7b
Patch-mainline: v5.5-rc1
References: bsc#1152489
Ignre the ERREVENT_ATHUB_INTERRUPT for systems without RAS.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-and-tested-by: Jack Zhang <Jack.Zhang1@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 49bdee9d9fad..6220394521e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1888,6 +1888,12 @@ int amdgpu_ras_fini(struct amdgpu_device *adev)
void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev)
{
+ uint32_t hw_supported, supported;
+
+ amdgpu_ras_check_supported(adev, &hw_supported, &supported);
+ if (!hw_supported)
+ return;
+
if (atomic_cmpxchg(&amdgpu_ras_in_intr, 0, 1) == 0) {
DRM_WARN("RAS event of type ERREVENT_ATHUB_INTERRUPT detected!\n");
--
2.28.0