From: Kevin Rogovin <kevin.rogovin@xxxxxxxxx>
---
include/drm-uapi/i915_drm.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/drm-uapi/i915_drm.h b/include/drm-uapi/i915_drm.h
index 7f28eea403..e75eea058b 100644
--- a/include/drm-uapi/i915_drm.h
+++ b/include/drm-uapi/i915_drm.h
@@ -1412,6 +1412,15 @@ struct drm_i915_gem_context_param {
#define I915_CONTEXT_MAX_USER_PRIORITY 1023 /* inclusive */
#define I915_CONTEXT_DEFAULT_PRIORITY 0
#define I915_CONTEXT_MIN_USER_PRIORITY -1023 /* inclusive */
+/* Notes for set/get of I915_CONTEXT_PARAM_SCRATCH_PAGE_CONTENTS:
+ * 1) for the duration of set/get, the caller must guarantee
+ * that nothing can read/write the scratch page
+ * 2) on set and get, ioctl will write to drm_i915_gem_context_param::set
+ * the size of the scratch page
+ * 3) on get, first drm_i915_gem_context_param::size of the scratch
+ * page contents will be written to.
+ */
+#define I915_CONTEXT_PARAM_SCRATCH_PAGE_CONTENTS 0x7
__u64 value;
};
--
2.15.0
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