From: Brad Volkin <bradley.d.vol...@intel.com>
Signed-off-by: Brad Volkin <bradley.d.vol...@intel.com>
---
tests/gem_exec_parse.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/tests/gem_exec_parse.c b/tests/gem_exec_parse.c
index ebf7116..48fde25 100644
--- a/tests/gem_exec_parse.c
+++ b/tests/gem_exec_parse.c
@@ -141,6 +141,7 @@ int fd;
#define MI_ARB_ON_OFF (0x8 << 23)
#define MI_DISPLAY_FLIP ((0x14 << 23) | 1)
+#define MI_LOAD_REGISTER_IMM ((0x22 << 23) | 1)
#define GFX_OP_PIPE_CONTROL ((0x3<<29)|(0x3<<27)|(0x2<<24)|2)
#define PIPE_CONTROL_QW_WRITE (1<<14)
@@ -213,6 +214,31 @@ igt_main
-EINVAL));
}
+ igt_subtest("registers") {
+ uint32_t lri_bad[] = {
+ MI_LOAD_REGISTER_IMM,
+ 0, // disallowed register address
+ 0x12000000,
+ MI_BATCH_BUFFER_END,
+ };
+ uint32_t lri_ok[] = {
+ MI_LOAD_REGISTER_IMM,
+ 0x5280, // allowed register address (SO_WRITE_OFFSET[0])
+ 0x1,
+ MI_BATCH_BUFFER_END,
+ };
+ igt_assert(
+ exec_batch(fd, handle,
+ lri_bad, sizeof(lri_bad),
+ I915_EXEC_RENDER,
+ -EINVAL));
+ igt_assert(
+ exec_batch(fd, handle,
+ lri_ok, sizeof(lri_ok),
+ I915_EXEC_RENDER,
+ 0));
+ }
+
igt_fixture {
gem_close(fd, handle);
--
1.8.3.2
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