i-g-t: Adding panel fitting test case

This patch is adding i-g-t test case to test panel fitting usages.

v2:
-use new tiled types when calling igt_create_fb (me)

Signed-off-by: chandra konduru <chandra.konduru@intel.com>
[Thomas: convert test to use igt_simple_main]
Signed-off-by: Thomas Wood <thomas.wood@intel.com>

1 files changed, 269 insertions, 0 deletions

diff --git a/tests/kms_panel_fitting.c b/tests/kms_panel_fitting.c
new file mode 100644
index 00000000..4dc3bff0
--- /dev/null
+++ b/tests/kms_panel_fitting.c
@@ -0,0 +1,269 @@
+/*
+ * Copyright © 2013,2014 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 <math.h>
+
+#include "drmtest.h"
+#include "igt_debugfs.h"
+#include "igt_kms.h"
+#include "igt_core.h"
+#include "intel_chipset.h"
+#include "igt_aux.h"
+
+IGT_TEST_DESCRIPTION("Test display panel fitting");
+
+typedef struct {
+	uint32_t devid;
+	int drm_fd;
+	igt_display_t display;
+	igt_crc_t ref_crc;
+	igt_pipe_crc_t *pipe_crc;
+
+	int image_w;
+	int image_h;
+
+	int num_scalers;
+
+	struct igt_fb fb1;
+	struct igt_fb fb2;
+	struct igt_fb fb3;
+	int fb_id1;
+	int fb_id2;
+	int fb_id3;
+
+	igt_plane_t *plane1;
+	igt_plane_t *plane2;
+	igt_plane_t *plane3;
+	igt_plane_t *plane4;
+} data_t;
+
+#define FILE_NAME   "1080p-left.png"
+
+static void
+paint_color(data_t *d, struct igt_fb *fb, uint16_t w, uint16_t h)
+{
+	cairo_t *cr;
+
+	cr = igt_get_cairo_ctx(d->drm_fd, fb);
+	igt_paint_test_pattern(cr, w, h);
+	cairo_destroy(cr);
+}
+
+static void
+paint_image(data_t *d, struct igt_fb *fb, uint16_t w, uint16_t h)
+{
+	cairo_t *cr;
+
+	cr = igt_get_cairo_ctx(d->drm_fd, fb);
+	igt_paint_image(cr, FILE_NAME, 0, 0, w, h);
+	cairo_destroy(cr);
+}
+
+static void prepare_crtc(data_t *data, igt_output_t *output, enum pipe pipe,
+			igt_plane_t *plane, drmModeModeInfo *mode, enum igt_commit_style s)
+{
+	igt_display_t *display = &data->display;
+
+	igt_output_set_pipe(output, pipe);
+
+	/* create the pipe_crc object for this pipe */
+	igt_pipe_crc_free(data->pipe_crc);
+	data->pipe_crc = igt_pipe_crc_new(pipe, INTEL_PIPE_CRC_SOURCE_AUTO);
+
+	/* before allocating, free if any older fb */
+	if (data->fb_id1) {
+		igt_remove_fb(data->drm_fd, &data->fb1);
+		data->fb_id1 = 0;
+	}
+
+	/* allocate fb for plane 1 */
+	data->fb_id1 = igt_create_fb(data->drm_fd,
+			mode->hdisplay, mode->vdisplay,
+			DRM_FORMAT_XRGB8888,
+			LOCAL_I915_FORMAT_MOD_X_TILED, /* tiled */
+			&data->fb1);
+	igt_assert(data->fb_id1);
+
+	paint_color(data, &data->fb1, mode->hdisplay, mode->vdisplay);
+
+	/*
+	 * We always set the primary plane to actually enable the pipe as
+	 * there's no way (that works) to light up a pipe with only a sprite
+	 * plane enabled at the moment.
+	 */
+	if (!plane->is_primary) {
+		igt_plane_t *primary;
+
+		primary = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
+		igt_plane_set_fb(primary, &data->fb1);
+	}
+
+	igt_plane_set_fb(plane, &data->fb1);
+	if (s == COMMIT_LEGACY) {
+		int ret;
+		ret = drmModeSetCrtc(data->drm_fd,
+				output->config.crtc->crtc_id,
+				data->fb_id1,
+				plane->pan_x, plane->pan_y,
+				&output->id,
+				1,
+				mode);
+		igt_assert(ret == 0);
+	} else {
+		igt_display_commit2(display, s);
+	}
+}
+
+static void cleanup_crtc(data_t *data, igt_output_t *output, igt_plane_t *plane)
+{
+	igt_display_t *display = &data->display;
+
+	igt_pipe_crc_free(data->pipe_crc);
+	data->pipe_crc = NULL;
+
+	if (data->fb_id1) {
+		igt_remove_fb(data->drm_fd, &data->fb1);
+		data->fb_id1 = 0;
+	}
+	if (data->fb_id2) {
+		igt_remove_fb(data->drm_fd, &data->fb2);
+		data->fb_id2 = 0;
+	}
+	if (data->fb_id3) {
+		igt_remove_fb(data->drm_fd, &data->fb3);
+		data->fb_id3 = 0;
+	}
+
+	if (!plane->is_primary) {
+		igt_plane_t *primary;
+
+		primary = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
+		igt_plane_set_fb(primary, NULL);
+	}
+
+	igt_plane_set_fb(plane, NULL);
+	igt_output_set_pipe(output, PIPE_ANY);
+
+	igt_display_commit2(display, COMMIT_UNIVERSAL);
+}
+
+static void test_panel_fitting(data_t *d)
+{
+	igt_display_t *display = &d->display;
+	igt_output_t *output;
+	cairo_surface_t *image;
+	enum pipe pipe;
+	int valid_tests = 0;
+
+	igt_require(d->display.has_universal_planes);
+	igt_require(d->num_scalers);
+	igt_require(d->num_scalers);
+
+	for_each_connected_output(display, output) {
+		drmModeModeInfo *mode, native_mode;
+
+		igt_require(output->config.connector->connector_type ==
+			DRM_MODE_CONNECTOR_eDP);
+
+		pipe = output->config.pipe;
+		igt_output_set_pipe(output, pipe);
+
+		mode = igt_output_get_mode(output);
+		native_mode = *mode;
+
+		/* allocate fb2 with image size */
+		image = cairo_image_surface_create_from_png(FILE_NAME);
+		igt_assert(cairo_surface_status(image) == CAIRO_STATUS_SUCCESS);
+		d->image_w = cairo_image_surface_get_width(image);
+		d->image_h = cairo_image_surface_get_height(image);
+		cairo_surface_destroy(image);
+
+		d->fb_id2 = igt_create_fb(d->drm_fd,
+				d->image_w, d->image_h,
+				DRM_FORMAT_XRGB8888,
+				LOCAL_I915_FORMAT_MOD_X_TILED, /* tiled */
+				&d->fb2);
+		igt_assert(d->fb_id2);
+		paint_image(d, &d->fb2, d->fb2.width, d->fb2.height);
+
+		/* Set up display to enable panel fitting */
+		mode->hdisplay = 640;
+		mode->vdisplay = 480;
+		d->plane1 = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
+		prepare_crtc(d, output, pipe, d->plane1, mode, COMMIT_LEGACY);
+
+		/* disable panel fitting */
+		prepare_crtc(d, output, pipe, d->plane1, &native_mode, COMMIT_LEGACY);
+
+		/* enable panel fitting */
+		mode->hdisplay = 800;
+		mode->vdisplay = 600;
+		prepare_crtc(d, output, pipe, d->plane1, mode, COMMIT_LEGACY);
+
+		/* disable panel fitting */
+		prepare_crtc(d, output, pipe, d->plane1, &native_mode, COMMIT_LEGACY);
+
+		/* Set up fb2->plane2 mapping. */
+		d->plane2 = igt_output_get_plane(output, IGT_PLANE_2);
+		igt_plane_set_fb(d->plane2, &d->fb2);
+
+		/* enable sprite plane */
+		igt_fb_set_position(&d->fb2, d->plane2, 100, 100);
+		igt_fb_set_size(&d->fb2, d->plane2, d->fb2.width-200, d->fb2.height-200);
+		igt_plane_set_position(d->plane2, 100, 100);
+		igt_plane_set_size(d->plane2, mode->hdisplay-200, mode->vdisplay-200);
+		igt_display_commit2(display, COMMIT_UNIVERSAL);
+
+		/* enable panel fitting along with sprite scaling */
+		mode->hdisplay = 1024;
+		mode->vdisplay = 768;
+		prepare_crtc(d, output, pipe, d->plane1, mode, COMMIT_LEGACY);
+
+		/* back to single plane mode */
+		igt_plane_set_fb(d->plane2, NULL);
+		igt_display_commit2(display, COMMIT_UNIVERSAL);
+
+		valid_tests++;
+		cleanup_crtc(d, output, d->plane1);
+	}
+	igt_require_f(valid_tests, "no valid crtc/connector combinations found\n");
+}
+
+igt_simple_main
+{
+	data_t data = {};
+
+	igt_skip_on_simulation();
+
+	data.drm_fd = drm_open_any();
+	igt_require_pipe_crc();
+	igt_display_init(&data.display, data.drm_fd);
+	data.devid = intel_get_drm_devid(data.drm_fd);
+
+	data.num_scalers = intel_gen(data.devid) >= 9 ? 2 : 0;
+
+	test_panel_fitting(&data);
+
+	igt_display_fini(&data.display);
+}