tests: Add kms_legacy_colorkey

Add a quick test to make sure the legacy set colorkey ioctl only works
for sprite planes.

v2: Drop igt_fixtures

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

lib/igt_kms.h

@@ -274,6 +274,10 @@ void igt_wait_for_vblank(int drm_fd, enum pipe pipe);
 #define for_each_pipe(display, pipe)					\
 	for (pipe = 0; pipe < igt_display_get_n_pipes(display); pipe++)	\
 
+#define for_each_plane_on_pipe(display, pipe, plane)			\
+	for (int i__ = 0; (plane) = &(display)->pipes[(pipe)].planes[i__], \
+		     i__ < (display)->pipes[(pipe)].n_planes; i__++)
+
 /*
  * Can be used with igt_output_set_pipe() to mean we don't care about the pipe
  * that should drive this output

tests/.gitignore

@@ -131,6 +131,7 @@ kms_flip
 kms_flip_event_leak
 kms_flip_tiling
 kms_force_connector
+kms_legacy_colorkey
 kms_mmio_vs_cs_flip
 kms_pipe_b_c_ivb
 kms_pipe_crc_basic

tests/Makefile.sources

@@ -64,6 +64,7 @@ TESTS_progs_M = \
 	kms_flip \
 	kms_flip_event_leak \
 	kms_flip_tiling \
+	kms_legacy_colorkey \
 	kms_mmio_vs_cs_flip \
 	kms_pipe_b_c_ivb \
 	kms_pipe_crc_basic \

tests/kms_legacy_colorkey.c

@@ -0,0 +1,72 @@
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * 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 <errno.h>
+
+#include "drmtest.h"
+#include "igt_kms.h"
+#include "igt_aux.h"
+
+IGT_TEST_DESCRIPTION("Check that the legacy set colorkey ioctl only works on sprite planes.");
+
+static int drm_fd;
+static igt_display_t display;
+static int p;
+static igt_plane_t *plane;
+static uint32_t max_id;
+
+static void test_plane(uint32_t plane_id, int expected_ret)
+{
+	struct drm_intel_sprite_colorkey ckey = {
+		.plane_id = plane_id,
+	};
+
+	igt_assert(drmCommandWrite(drm_fd, DRM_I915_SET_SPRITE_COLORKEY, &ckey,
+				   sizeof(ckey)) == expected_ret);
+}
+
+igt_simple_main
+{
+	igt_skip_on_simulation();
+
+	drm_fd = drm_open_any_master();
+
+	kmstest_set_vt_graphics_mode();
+
+	igt_display_init(&display, drm_fd);
+
+	for_each_pipe(&display, p) {
+		for_each_plane_on_pipe(&display, p, plane) {
+			test_plane(plane->drm_plane->plane_id,
+				   (plane->is_cursor || plane->is_primary) ? -ENOENT : 0);
+
+			max_id = max(max_id, plane->drm_plane->plane_id);
+		}
+	}
+
+	/* try some invalid IDs too */
+	test_plane(0, -ENOENT);
+	test_plane(max_id + 1, -ENOENT);
+
+	igt_display_fini(&display);
+}