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authorLionel Landwerlin <lionel.g.landwerlin@intel.com>2017-12-05 16:43:01 +0000
committerLionel Landwerlin <lionel.g.landwerlin@intel.com>2017-12-08 17:21:29 +0000
commita9387971acf45d1215fdd8af00285b92468f249b (patch)
tree5e5150a0e63e0822b7d3f3177f19ad0aedaa01bf /include/drm-uapi/i915_drm.h
parentefef51dd75c8f41aa6ba08e806f8c81501eb7ee7 (diff)
include/drm-uapi: bump headers
Taken from drm-next : commit 9c606cd4117a3c45e04a6616b1a0dbeb18eeee62 Merge: c5dd52f653fa 3997eea57caf Author: Dave Airlie <airlied@redhat.com> Date: Thu Dec 7 06:28:22 2017 +1000 Merge branch 'drm-next-4.16' of git://people.freedesktop.org/~agd5f/linux into drm-next Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'include/drm-uapi/i915_drm.h')
-rw-r--r--include/drm-uapi/i915_drm.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/drm-uapi/i915_drm.h b/include/drm-uapi/i915_drm.h
index 890df227..7f28eea4 100644
--- a/include/drm-uapi/i915_drm.h
+++ b/include/drm-uapi/i915_drm.h
@@ -86,6 +86,22 @@ enum i915_mocs_table_index {
I915_MOCS_CACHED,
};
+/*
+ * Different engines serve different roles, and there may be more than one
+ * engine serving each role. enum drm_i915_gem_engine_class provides a
+ * classification of the role of the engine, which may be used when requesting
+ * operations to be performed on a certain subset of engines, or for providing
+ * information about that group.
+ */
+enum drm_i915_gem_engine_class {
+ I915_ENGINE_CLASS_RENDER = 0,
+ I915_ENGINE_CLASS_COPY = 1,
+ I915_ENGINE_CLASS_VIDEO = 2,
+ I915_ENGINE_CLASS_VIDEO_ENHANCE = 3,
+
+ I915_ENGINE_CLASS_INVALID = -1
+};
+
/* Each region is a minimum of 16k, and there are at most 255 of them.
*/
#define I915_NR_TEX_REGIONS 255 /* table size 2k - maximum due to use
@@ -450,6 +466,27 @@ typedef struct drm_i915_irq_wait {
*/
#define I915_PARAM_HAS_EXEC_FENCE_ARRAY 49
+/*
+ * Query whether every context (both per-file default and user created) is
+ * isolated (insofar as HW supports). If this parameter is not true, then
+ * freshly created contexts may inherit values from an existing context,
+ * rather than default HW values. If true, it also ensures (insofar as HW
+ * supports) that all state set by this context will not leak to any other
+ * context.
+ *
+ * As not every engine across every gen support contexts, the returned
+ * value reports the support of context isolation for individual engines by
+ * returning a bitmask of each engine class set to true if that class supports
+ * isolation.
+ */
+#define I915_PARAM_HAS_CONTEXT_ISOLATION 50
+
+/* Frequency of the command streamer timestamps given by the *_TIMESTAMP
+ * registers. This used to be fixed per platform but from CNL onwards, this
+ * might vary depending on the parts.
+ */
+#define I915_PARAM_CS_TIMESTAMP_FREQUENCY 51
+
typedef struct drm_i915_getparam {
__s32 param;
/*
@@ -839,6 +876,7 @@ struct drm_i915_gem_exec_fence {
#define I915_EXEC_FENCE_WAIT (1<<0)
#define I915_EXEC_FENCE_SIGNAL (1<<1)
+#define __I915_EXEC_FENCE_UNKNOWN_FLAGS (-(I915_EXEC_FENCE_SIGNAL << 1))
__u32 flags;
};