tools headers UAPI: Sync drm/i915_drm.h with the kernel sources (54a58ebc) · Commits · 戴 / test

To pick the change in: ("drm/i915: Allow userspace to specify ringsize on construction") That don't result in any changes in tooling, just silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/drm/i915_drm.h' differs from latest version at 'include/uapi/drm/i915_drm.h' diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by:

Arnaldo Carvalho de Melo <acme@redhat.com>

tools/include/uapi/drm/i915_drm.h

+21 −0

Original line number	Diff line number	Diff line
		@@ -1619,6 +1619,27 @@ struct drm_i915_gem_context_param {
		* By default, new contexts allow persistence.
		*/
		#define I915_CONTEXT_PARAM_PERSISTENCE 0xb

		/*
		* I915_CONTEXT_PARAM_RINGSIZE:
		*
		* Sets the size of the CS ringbuffer to use for logical ring contexts. This
		* applies a limit of how many batches can be queued to HW before the caller
		* is blocked due to lack of space for more commands.
		*
		* Only reliably possible to be set prior to first use, i.e. during
		* construction. At any later point, the current execution must be flushed as
		* the ring can only be changed while the context is idle. Note, the ringsize
		* can be specified as a constructor property, see
		* I915_CONTEXT_CREATE_EXT_SETPARAM, but can also be set later if required.
		*
		* Only applies to the current set of engine and lost when those engines
		* are replaced by a new mapping (see I915_CONTEXT_PARAM_ENGINES).
		*
		* Must be between 4 - 512 KiB, in intervals of page size [4 KiB].
		* Default is 16 KiB.
		*/
		#define I915_CONTEXT_PARAM_RINGSIZE 0xc
		/* Must be kept compact -- no holes and well documented */

		__u64 value;

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