From 8b7e19dbc556789ffa1ef364c2ce5b7a3f73b3e9 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Sun, 17 Feb 2019 13:53:55 +0000 Subject: [PATCH] drm-uapi: Update i915_drm.h for I915_CONTEXT_PARAM_RECOVERABLE Pull i915_drm.h to include kernel commit ba4fda620a5f7db521aa9e0262cf49854c1b1d9c Author: Chris Wilson Date: Mon Feb 18 10:58:21 2019 +0000 drm/i915: Optionally disable automatic recovery after a GPU reset for improved resilience in handling GPU hangs. --- include/drm-uapi/i915_drm.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/include/drm-uapi/i915_drm.h b/include/drm-uapi/i915_drm.h index d2792ab..43fb8ed 100644 --- a/include/drm-uapi/i915_drm.h +++ b/include/drm-uapi/i915_drm.h @@ -1491,6 +1491,26 @@ struct drm_i915_gem_context_param { * drm_i915_gem_context_param_sseu. */ #define I915_CONTEXT_PARAM_SSEU 0x7 + +/* + * Not all clients may want to attempt automatic recover of a context after + * a hang (for example, some clients may only submit very small incremental + * batches relying on known logical state of previous batches which will never + * recover correctly and each attempt will hang), and so would prefer that + * the context is forever banned instead. + * + * If set to false (0), after a reset, subsequent (and in flight) rendering + * from this context is discarded, and the client will need to create a new + * context to use instead. + * + * If set to true (1), the kernel will automatically attempt to recover the + * context by skipping the hanging batch and executing the next batch starting + * from the default context state (discarding the incomplete logical context + * state lost due to the reset). + * + * On creation, all new contexts are marked as recoverable. + */ +#define I915_CONTEXT_PARAM_RECOVERABLE 0x8 __u64 value; }; -- 2.7.4