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CONFIG_DRM_I915_STOP_TIMEOUT: How long to wait for an engine to quiesce gracefully before reset (ms)

General informations

The Linux kernel configuration item CONFIG_DRM_I915_STOP_TIMEOUT:

Help text

By stopping submission and sleeping for a short time before resetting the GPU, we allow the innocent contexts also on the system to quiesce. It is then less likely for a hanging context to cause collateral damage as the system is reset in order to recover. The corollary is that the reset itself may take longer and so be more disruptive to interactive or low latency workloads.

This is adjustable via /sys/class/drm/card?/engine/*/stop_timeout_ms



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