From ed606f8a346b9040008794a261b43902818efd7b Mon Sep 17 00:00:00 2001 From: Andrey Grodzovsky Date: Fri, 11 Oct 2019 10:32:59 -0400 Subject: [PATCH] dmr/amdgpu: Fix crash on SRIOV for ERREVENT_ATHUB_INTERRUPT interrupt. Ignre the ERREVENT_ATHUB_INTERRUPT for systems without RAS. Signed-off-by: Andrey Grodzovsky Reviewed-and-tested-by: Jack Zhang Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- 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"); -- 2.45.2