[PATCH 0/6] RFC Support hot device unplug in amdgpu

Chris Wilson chris at chris-wilson.co.uk
Mon May 11 10:19:30 UTC 2020


Quoting Daniel Vetter (2020-05-11 10:54:33)
>   - worse, neither vk nor gl (to my knowledge) have a concept of events
>     for when the gpu died. The only stuff you have is things like
>     arb_robustness which says a) everything continues as if nothing
>     happened b) there's a function where you can ask whether your gl
>     context and all the textures/buffers are toast.

Vulkan/DX12 arrived after eGPU, and there is at least the concept of
VK_ERROR_DEVICE_LOST. Mainly used at the moment after a GPU hang and
loss of context.

https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/vkspec.html#devsandqueues-lost-device
-Chris


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