[igt-dev] [PATCH i-g-t] tests/i915/gem_close_race: Adopt to use softpin

[Kamil Konieczny]

For newer gens there will be no relocations, so adopt test to
run using soft-pinned addresses.

Signed-off-by: Kamil Konieczny <kamil.konieczny at linux.intel.com>
Cc: "Zbigniew Kempczyński" <zbigniew.kempczynski at intel.com>
---
 tests/i915/gem_close_race.c | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/tests/i915/gem_close_race.c b/tests/i915/gem_close_race.c
index ab444945..fb43afa6 100644
--- a/tests/i915/gem_close_race.c
+++ b/tests/i915/gem_close_race.c
@@ -53,6 +53,9 @@
 
 static uint32_t devid;
 static bool has_64bit_relocations;
+static bool has_softpin;
+static uint64_t exec_addr;
+static uint64_t data_addr;
 
 #define sigev_notify_thread_id _sigev_un._tid
 
@@ -79,9 +82,9 @@ static void selfcopy(int fd, uint32_t ctx, uint32_t handle, int loops)
 	reloc[0].target_handle = handle;
 	reloc[0].read_domains = I915_GEM_DOMAIN_RENDER;
 	reloc[0].write_domain = I915_GEM_DOMAIN_RENDER;
-	*b++ = 0;
+	*b++ = data_addr;
 	if (has_64bit_relocations)
-		*b++ = 0;
+		*b++ = CANONICAL(data_addr) >> 32;
 
 	*b++ = 512 << 16;
 	*b++ = 4*1024;
@@ -90,9 +93,9 @@ static void selfcopy(int fd, uint32_t ctx, uint32_t handle, int loops)
 	reloc[1].target_handle = handle;
 	reloc[1].read_domains = I915_GEM_DOMAIN_RENDER;
 	reloc[1].write_domain = 0;
-	*b++ = 0;
+	*b++ = data_addr;
 	if (has_64bit_relocations)
-		*b++ = 0;
+		*b++ = CANONICAL(data_addr) >> 32;
 
 	*b++ = MI_BATCH_BUFFER_END;
 	*b++ = 0;
@@ -105,8 +108,17 @@ static void selfcopy(int fd, uint32_t ctx, uint32_t handle, int loops)
 	create.size = 4096;
 	drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
 	gem_exec[1].handle = create.handle;
-	gem_exec[1].relocation_count = 2;
-	gem_exec[1].relocs_ptr = to_user_pointer(reloc);
+	if (has_softpin) {
+		gem_exec[1].offset = CANONICAL(exec_addr);
+		gem_exec[1].flags |= EXEC_OBJECT_PINNED | EXEC_OBJECT_SUPPORTS_48B_ADDRESS;
+		execbuf.flags |= I915_EXEC_NO_RELOC;
+		gem_exec[0].offset = CANONICAL(data_addr);
+		gem_exec[0].flags |= EXEC_OBJECT_PINNED | EXEC_OBJECT_WRITE |
+				     EXEC_OBJECT_SUPPORTS_48B_ADDRESS;
+	} else {
+		gem_exec[1].relocation_count = 2;
+		gem_exec[1].relocs_ptr = to_user_pointer(reloc);
+	}
 
 	memset(&execbuf, 0, sizeof(execbuf));
 	execbuf.buffers_ptr = to_user_pointer(gem_exec);
@@ -256,6 +268,13 @@ igt_main
 
 		devid = intel_get_drm_devid(fd);
 		has_64bit_relocations = intel_gen(devid) >= 8;
+		has_softpin = !gem_has_relocations(fd);
+		if (has_softpin) {
+			exec_addr = gem_detect_safe_start_offset(fd);
+			data_addr = gem_detect_safe_alignment(fd);
+			exec_addr = max_t(exec_addr, exec_addr, data_addr);
+			data_addr += exec_addr;
+		}
 
 		igt_fork_hang_detector(fd);
 		close(fd);
-- 
2.34.1