From f402cc58d378716c29f5dec750bef1add55bb34c Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 18 Feb 2019 11:55:24 +0000 Subject: drm-uapi: Update i915_drm.h for I915_CONTEXT_PARAM_RECOVERABLE Copying i915_drm.h from commit ba4fda620a5f7db521aa9e0262cf49854c1b1d9c (HEAD -> drm-intel-next-queued, drm-intel/drm-intel-next-queued) Author: Chris Wilson Date: Mon Feb 18 10:58:21 2019 +0000 drm/i915: Optionally disable automatic recovery after a GPU reset in order to expose the I915_CONTEXT_PARAM_RECOVERABLE for testing. Signed-off-by: Chris Wilson Reviewed-by: Mika Kuoppala --- include/drm-uapi/i915_drm.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'include') diff --git a/include/drm-uapi/i915_drm.h b/include/drm-uapi/i915_drm.h index d2792ab3..43fb8ede 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; }; -- cgit v1.2.3