[Intel-gfx] [PATCH igt] vc4: Add a test for BO lookup failure error path.

[Eric Anholt]

Causes an oops in the current kernel.
---
 tests/Makefile.am       |  2 ++
 tests/Makefile.sources  |  1 +
 tests/vc4_lookup_fail.c | 81 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 84 insertions(+)
 create mode 100644 tests/vc4_lookup_fail.c

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 102b8a6432f9..4476a6afb202 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -113,6 +113,8 @@ prime_nv_pcopy_CFLAGS = $(AM_CFLAGS) $(DRM_NOUVEAU_CFLAGS)
 prime_nv_pcopy_LDADD = $(LDADD) $(DRM_NOUVEAU_LIBS)
 vc4_create_bo_CFLAGS = $(AM_CFLAGS) $(DRM_VC4_CFLAGS)
 vc4_create_bo_LDADD = $(LDADD) $(DRM_VC4_LIBS)
+vc4_lookup_fail_CFLAGS = $(AM_CFLAGS) $(DRM_VC4_CFLAGS)
+vc4_lookup_fail_LDADD = $(LDADD) $(DRM_VC4_LIBS)
 vc4_wait_bo_CFLAGS = $(AM_CFLAGS) $(DRM_VC4_CFLAGS)
 vc4_wait_bo_LDADD = $(LDADD) $(DRM_VC4_LIBS)
 vc4_wait_seqno_CFLAGS = $(AM_CFLAGS) $(DRM_VC4_CFLAGS)
diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index 8a9a7ec9986b..18bd48db90f4 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -6,6 +6,7 @@ NOUVEAU_TESTS_M = \
 
 VC4_TESTS_M = \
 	vc4_create_bo \
+	vc4_lookup_fail \
 	vc4_wait_bo \
 	vc4_wait_seqno \
 	$(NULL)
diff --git a/tests/vc4_lookup_fail.c b/tests/vc4_lookup_fail.c
new file mode 100644
index 000000000000..f0234ee5263c
--- /dev/null
+++ b/tests/vc4_lookup_fail.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright © 2016 Broadcom
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "igt.h"
+#include <assert.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include "vc4_drm.h"
+#include "vc4_packet.h"
+
+igt_main
+{
+	int fd;
+
+	igt_fixture
+		fd = drm_open_driver(DRIVER_VC4);
+
+	igt_subtest("bad-color-write") {
+		uint32_t size = 4096;
+		/* A single row will be a page. */
+		uint32_t width = 1024;
+		uint32_t height = size / (width * 4);
+		uint32_t handle = 0xd0d0d0d0; /* Don't actually make a BO */
+		struct drm_vc4_submit_cl submit = {
+			.color_write = {
+				.hindex = 0,
+				.bits = VC4_SET_FIELD(VC4_RENDER_CONFIG_FORMAT_RGBA8888,
+						      VC4_RENDER_CONFIG_FORMAT),
+			},
+
+			.color_read = { .hindex = ~0 },
+			.zs_read = { .hindex = ~0 },
+			.zs_write = { .hindex = ~0 },
+			.msaa_color_write = { .hindex = ~0 },
+			.msaa_zs_write = { .hindex = ~0 },
+
+			.bo_handles = (uint64_t)(uintptr_t)&handle,
+			.bo_handle_count = 1,
+			.width = width,
+			.height = height,
+			.max_x_tile = ALIGN(width, 64) / 64 - 1,
+			.max_y_tile = ALIGN(height, 64) / 64 - 1,
+			.clear_color = { 0xcccccccc, 0xcccccccc },
+			.flags = VC4_SUBMIT_CL_USE_CLEAR_COLOR,
+		};
+
+		igt_assert_eq_u32(width * height * 4, size);
+
+		do_ioctl_err(fd, DRM_IOCTL_VC4_SUBMIT_CL, &submit, EINVAL);
+	}
+
+	igt_fixture
+		close(fd);
+}
-- 
2.8.1