[igt-dev] [PATCH v19 3/6] lib: igt_gt: add eb flags to class helper

Andi Shyti
2019-04-08T16:15:44Z

we have a "class/instance to eb flags" helper but not the
opposite, add it.

Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@intel.com>
---
lib/igt_gt.c | 18 ++++++++++++++++++
lib/igt_gt.h | 2 ++
2 files changed, 20 insertions(+)

diff --git a/lib/igt_gt.c b/lib/igt_gt.c
index 5999524326d0..8cd58f7afbfd 100644
--- a/lib/igt_gt.c
+++ b/lib/igt_gt.c
@@ -41,6 +41,7 @@
#include "intel_reg.h"
#include "intel_chipset.h"
#include "igt_dummyload.h"
+#include "i915/gem_engine_topology.h"

/**
* SECTION:igt_gt
@@ -586,6 +587,23 @@ const struct intel_execution_engine2 intel_execution_engines2[] = {
{ }
};

+int gem_eb_to_class(unsigned int flags)
+{
+ switch (flags & 0x3f) {
+ case I915_EXEC_DEFAULT:
+ case I915_EXEC_RENDER:
+ return I915_ENGINE_CLASS_RENDER;
+ case I915_EXEC_BLT:
+ return I915_ENGINE_CLASS_COPY;
+ case I915_EXEC_BSD:
+ return I915_ENGINE_CLASS_VIDEO;
+ case I915_EXEC_VEBOX:
+ return I915_ENGINE_CLASS_VIDEO_ENHANCE;
+ default:
+ igt_assert(0);
+ }
+}
+
unsigned int
gem_class_instance_to_eb_flags(int gem_fd,
enum drm_i915_gem_engine_class class,
diff --git a/lib/igt_gt.h b/lib/igt_gt.h
index 52b2f1ea95a5..b13062ef7d33 100644
--- a/lib/igt_gt.h
+++ b/lib/igt_gt.h
@@ -99,6 +99,8 @@ extern const struct intel_execution_engine2 {
bool is_virtual;
} intel_execution_engines2[];

+int gem_eb_to_class(unsigned int flags);
+
unsigned int
gem_class_instance_to_eb_flags(int gem_fd,
enum drm_i915_gem_engine_class class,
--
2.20.1