[PATCH i-g-t 2/3] igt/gem_blits: Check for blitter support before use

[Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>]

Not all HW supports XY blitter commands, so check before use.

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 lib/i915/gem_submission.c     | 16 ++++++++++++++++
 lib/i915/gem_submission.h     |  3 +++
 tests/gem_linear_blits.c      |  1 +
 tests/gem_tiled_blits.c       |  1 +
 tests/gem_tiled_fence_blits.c |  1 +
 5 files changed, 22 insertions(+)

diff --git a/lib/i915/gem_submission.c b/lib/i915/gem_submission.c
index 2fd460d5e..1d1adcf6f 100644
--- a/lib/i915/gem_submission.c
+++ b/lib/i915/gem_submission.c
@@ -229,3 +229,19 @@ void gem_test_engine(int i915, unsigned int engine)
 	igt_assert(!is_wedged(i915));
 	close(i915);
 }
+
+bool gem_has_blitter(int i915)
+{
+	unsigned int blt;
+
+	blt = 0;
+	if (intel_gen(intel_get_drm_devid(i915)) >= 6)
+		blt = I915_EXEC_BLT;
+
+	return gem_has_ring(i915, blt);
+}
+
+void gem_require_blitter(int i915)
+{
+	igt_require(gem_has_blitter(i915));
+}
diff --git a/lib/i915/gem_submission.h b/lib/i915/gem_submission.h
index f94eabb20..f2b18d9dc 100644
--- a/lib/i915/gem_submission.h
+++ b/lib/i915/gem_submission.h
@@ -33,6 +33,9 @@ bool gem_has_semaphores(int fd);
 bool gem_has_execlists(int fd);
 bool gem_has_guc_submission(int fd);
 
+bool gem_has_blitter(int i915);
+void gem_require_blitter(int i915);
+
 void gem_test_engine(int fd, unsigned int engine);
 
 int gem_reopen_driver(int fd);
diff --git a/tests/gem_linear_blits.c b/tests/gem_linear_blits.c
index 8297416c0..7d05fa865 100644
--- a/tests/gem_linear_blits.c
+++ b/tests/gem_linear_blits.c
@@ -226,6 +226,7 @@ int main(int argc, char **argv)
 	igt_fixture {
 		fd = drm_open_driver(DRIVER_INTEL);
 		igt_require_gem(fd);
+		gem_require_blitter(fd);
 	}
 
 	igt_subtest("basic")
diff --git a/tests/gem_tiled_blits.c b/tests/gem_tiled_blits.c
index a81226a15..0d472e3a1 100644
--- a/tests/gem_tiled_blits.c
+++ b/tests/gem_tiled_blits.c
@@ -203,6 +203,7 @@ int main(int argc, char **argv)
 	igt_fixture {
 		fd = drm_open_driver(DRIVER_INTEL);
 		igt_require_gem(fd);
+		gem_require_blitter(fd);
 
 		bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
 		drm_intel_bufmgr_gem_enable_reuse(bufmgr);
diff --git a/tests/gem_tiled_fence_blits.c b/tests/gem_tiled_fence_blits.c
index 693e96cec..9ab58b5d6 100644
--- a/tests/gem_tiled_fence_blits.c
+++ b/tests/gem_tiled_fence_blits.c
@@ -176,6 +176,7 @@ igt_main
 	igt_fixture {
 		fd = drm_open_driver(DRIVER_INTEL);
 		igt_require_gem(fd);
+		gem_require_blitter(fd);
 	}
 
 	igt_subtest("basic") {
-- 
2.17.0

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