tests/kms_getfb: Add test for getfb

Add a new test exercising the GetFB API, specifically including its
behaviour of always returning new handles even if the client already has
a handle to the GEM buffer.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

1 files changed, 158 insertions, 0 deletions

diff --git a/tests/kms_getfb.c b/tests/kms_getfb.c
new file mode 100644
index 00000000..00b5dfcf
--- /dev/null
+++ b/tests/kms_getfb.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ * Copyright © 2018 Collabora, Ltd.
+ *
+ * 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.
+ *
+ * Authors:
+ *    Daniel Vetter <daniel.vetter@ffwll.ch>
+ *    Daniel Stone <daniels@collabora.com>
+ *
+ */
+
+#include "igt.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 "drm.h"
+#include "drm_fourcc.h"
+
+static void test_handle_input(int fd)
+{
+	struct drm_mode_fb_cmd2 add = {};
+
+	igt_fixture {
+		add.width = 1024;
+		add.height = 1024;
+		add.pixel_format = DRM_FORMAT_XRGB8888;
+		add.pitches[0] = 1024*4;
+		add.handles[0] = igt_create_bo_with_dimensions(fd, 1024, 1024,
+			DRM_FORMAT_XRGB8888, 0, 0, NULL, NULL, NULL);
+		igt_assert(add.handles[0]);
+		do_ioctl(fd, DRM_IOCTL_MODE_ADDFB2, &add);
+	}
+
+	igt_subtest("getfb-handle-zero") {
+		struct drm_mode_fb_cmd get = { .fb_id = 0 };
+		do_ioctl_err(fd, DRM_IOCTL_MODE_GETFB, &get, ENOENT);
+	}
+
+	igt_subtest("getfb-handle-valid") {
+		struct drm_mode_fb_cmd get = { .fb_id = add.fb_id };
+		do_ioctl(fd, DRM_IOCTL_MODE_GETFB, &get);
+		igt_assert_neq_u32(get.handle, 0);
+		igt_assert_eq_u32(get.width, add.width);
+		igt_assert_eq_u32(get.height, add.height);
+		igt_assert_eq_u32(get.pitch, add.pitches[0]);
+		igt_assert_eq_u32(get.depth, 24);
+		igt_assert_eq_u32(get.bpp, 32);
+		gem_close(fd, get.handle);
+	}
+
+	igt_subtest("getfb-handle-closed") {
+		struct drm_mode_fb_cmd get = { .fb_id = add.fb_id };
+		do_ioctl(fd, DRM_IOCTL_MODE_RMFB, &add.fb_id);
+		do_ioctl_err(fd, DRM_IOCTL_MODE_GETFB, &get, ENOENT);
+	}
+
+	igt_subtest("getfb-handle-not-fb") {
+		struct drm_mode_fb_cmd get = { };
+		uint32_t prop_id = 0;
+		igt_display_t display;
+
+		/* Find a valid property ID to use. */
+		igt_display_init(&display, fd);
+		for (int i = 0; i < display.n_outputs; i++) {
+			igt_output_t *output = &display.outputs[i];
+
+			if (output->props[IGT_CONNECTOR_DPMS] != 0) {
+				prop_id = output->props[IGT_CONNECTOR_DPMS];
+				break;
+			}
+		}
+		igt_require(prop_id > 0);
+
+		get.fb_id = prop_id;
+		do_ioctl_err(fd, DRM_IOCTL_MODE_GETFB, &get, ENOENT);
+	}
+}
+
+static void test_duplicate_handles(int fd)
+{
+	struct drm_mode_fb_cmd2 add = {};
+
+	igt_fixture {
+		add.width = 1024;
+		add.height = 1024;
+		add.pixel_format = DRM_FORMAT_XRGB8888;
+		add.pitches[0] = 1024*4;
+		add.handles[0] = igt_create_bo_with_dimensions(fd, 1024, 1024,
+			DRM_FORMAT_XRGB8888, 0, 0, NULL, NULL, NULL);
+		igt_assert(add.handles[0]);
+		do_ioctl(fd, DRM_IOCTL_MODE_ADDFB2, &add);
+	}
+
+	igt_subtest("getfb-addfb-different-handles") {
+		struct drm_mode_fb_cmd get = { .fb_id = add.fb_id };
+
+		do_ioctl(fd, DRM_IOCTL_MODE_GETFB, &get);
+		igt_assert_neq_u32(get.handle, add.handles[0]);
+		gem_close(fd, get.handle);
+	}
+
+	igt_subtest("getfb-repeated-different-handles") {
+		struct drm_mode_fb_cmd get1 = { .fb_id = add.fb_id };
+		struct drm_mode_fb_cmd get2 = { .fb_id = add.fb_id };
+
+		do_ioctl(fd, DRM_IOCTL_MODE_GETFB, &get1);
+		do_ioctl(fd, DRM_IOCTL_MODE_GETFB, &get2);
+		igt_assert_neq_u32(get1.handle, get2.handle);
+
+		gem_close(fd, get1.handle);
+		gem_close(fd, get2.handle);
+	}
+
+	igt_fixture {
+		do_ioctl(fd, DRM_IOCTL_MODE_RMFB, &add.fb_id);
+		gem_close(fd, add.handles[0]);
+	}
+
+}
+
+igt_main
+{
+	int fd;
+
+	igt_fixture
+		fd = drm_open_driver_master(DRIVER_ANY);
+
+	test_handle_input(fd);
+
+	test_duplicate_handles(fd);
+
+	igt_fixture
+		close(fd);
+}