tests: Use kms_ prefix a bit more

I was a bit on the fence about the basic pipe CRC test since that
doesn't really test kms, but debug infrastructure in debugfs.

Otoh running this one for a full kms testrun is always good, to make
sure that all the other (real) CRC based tests work sanely.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 262 insertions, 0 deletions

diff --git a/tests/kms_pipe_crc_basic.c b/tests/kms_pipe_crc_basic.c
new file mode 100644
index 00000000..25452331
--- /dev/null
+++ b/tests/kms_pipe_crc_basic.c
@@ -0,0 +1,262 @@
+/*
+ * Copyright © 2013 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 <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <glib.h>
+
+#include "drmtest.h"
+#include "igt_debugfs.h"
+
+typedef struct {
+	struct kmstest_connector_config config;
+	struct kmstest_fb fb;
+	bool valid;
+} connector_t;
+
+typedef struct {
+	int drm_fd;
+	igt_debugfs_t debugfs;
+	drmModeRes *resources;
+	int n_connectors;
+	connector_t *connectors;
+	FILE *ctl;
+} data_t;
+
+static void test_bad_command(data_t *data, const char *cmd)
+{
+	size_t written;
+
+	written = fwrite(cmd, 1, strlen(cmd), data->ctl);
+	fflush(data->ctl);
+	igt_assert_cmpint(written, ==, (strlen(cmd)));
+	igt_assert(ferror(data->ctl));
+	igt_assert_cmpint(errno, ==, EINVAL);
+}
+
+static void connector_init(data_t *data, connector_t *connector,
+			   uint32_t id, uint32_t crtc_id_mask)
+{
+	int ret;
+
+	ret = kmstest_get_connector_config(data->drm_fd, id, crtc_id_mask,
+					   &connector->config);
+	if (ret == 0)
+		connector->valid = true;
+	else
+		connector->valid = false;
+
+}
+
+static void connector_fini(connector_t *connector)
+{
+	kmstest_free_connector_config(&connector->config);
+}
+
+static bool
+connector_set_mode(data_t *data, connector_t *connector, drmModeModeInfo *mode)
+{
+	struct kmstest_connector_config *config = &connector->config;
+	unsigned int fb_id;
+	cairo_t *cr;
+	int ret;
+
+	fb_id = kmstest_create_fb(data->drm_fd,
+				  mode->hdisplay, mode->vdisplay,
+				  32 /* bpp */, 24 /* depth */,
+				  false /* tiling */,
+				  &connector->fb);
+	igt_assert(fb_id);
+
+	cr = kmstest_get_cairo_ctx(data->drm_fd, &connector->fb);
+	kmstest_paint_color(cr, 0, 0, mode->hdisplay, mode->vdisplay,
+			    0.0, 1.0, 0.0);
+	igt_assert(cairo_status(cr) == 0);
+
+#if 0
+	fprintf(stdout, "Using pipe %c, %dx%d\n", pipe_name(config->pipe),
+		mode->hdisplay, mode->vdisplay);
+#endif
+
+	ret = drmModeSetCrtc(data->drm_fd,
+			     config->crtc->crtc_id,
+			     connector->fb.fb_id,
+			     0, 0, /* x, y */
+			     &config->connector->connector_id,
+			     1,
+			     mode);
+	igt_assert(ret == 0);
+
+	return 0;
+}
+
+static void display_init(data_t *data)
+{
+	data->resources = drmModeGetResources(data->drm_fd);
+	igt_assert(data->resources);
+
+	data->n_connectors = data->resources->count_connectors;
+	data->connectors = calloc(data->n_connectors, sizeof(connector_t));
+	igt_assert(data->connectors);
+}
+
+static void connectors_init(data_t *data, uint32_t crtc_id_mask)
+{
+	int i;
+
+	for (i = 0; i < data->n_connectors; i++) {
+		uint32_t id = data->resources->connectors[i];
+
+		connector_init(data, &data->connectors[i], id, crtc_id_mask);
+	}
+}
+
+static void display_fini(data_t *data)
+{
+	int i;
+
+	for (i = 0; i < data->n_connectors; i++)
+		connector_fini(&data->connectors[i]);
+	free(data->connectors);
+
+	drmModeFreeResources(data->resources);
+}
+
+#define TEST_SEQUENCE (1<<0)
+
+static void test_read_crc(data_t *data, int pipe, unsigned flags)
+{
+	connector_t *connector;
+	igt_pipe_crc_t *pipe_crc;
+	igt_crc_t *crcs = NULL;
+	int valid_connectors = 0, i;
+
+	connectors_init(data, 1 << pipe);
+
+	for (i = 0;  i < data->n_connectors; i++) {
+		connector = &data->connectors[i];
+
+		if (!connector->valid)
+			continue;
+
+		fprintf(stdout, "%s: Testing connector %u\n",
+			igt_subtest_name(), connector->config.connector->connector_id);
+
+		connector_set_mode(data, connector, &connector->config.default_mode);
+
+		pipe_crc = igt_pipe_crc_new(&data->debugfs, data->drm_fd,
+					    connector->config.pipe,
+					    INTEL_PIPE_CRC_SOURCE_AUTO);
+
+		if (!pipe_crc)
+			continue;
+		valid_connectors++;
+
+		igt_assert(igt_pipe_crc_start(pipe_crc));
+
+		/* wait for 3 vblanks and the corresponding 3 CRCs */
+		igt_pipe_crc_get_crcs(pipe_crc, 3, &crcs);
+
+		igt_pipe_crc_stop(pipe_crc);
+
+		/* ensure the CRCs are not all 0s */
+		igt_assert(!igt_crc_is_null(&crcs[0]));
+		igt_assert(!igt_crc_is_null(&crcs[1]));
+		igt_assert(!igt_crc_is_null(&crcs[2]));
+
+		/* and ensure that they'are all equal, we haven't changed the fb */
+		igt_assert(igt_crc_equal(&crcs[0], &crcs[1]));
+		igt_assert(igt_crc_equal(&crcs[1], &crcs[2]));
+
+		if (flags & TEST_SEQUENCE) {
+			igt_assert(crcs[0].frame + 1 == crcs[1].frame);
+			igt_assert(crcs[1].frame + 1 == crcs[2].frame);
+		}
+
+		free(crcs);
+		igt_pipe_crc_free(pipe_crc);
+		kmstest_remove_fb(data->drm_fd, &connector->fb);
+	}
+
+	igt_require_f(valid_connectors, "No connector found for pipe %i\n", pipe);
+
+}
+
+igt_main
+{
+	data_t data = {0, };
+
+	igt_skip_on_simulation();
+
+	igt_fixture {
+		size_t written;
+		int ret;
+		const char *cmd = "pipe A none";
+
+		data.drm_fd = drm_open_any();
+		igt_require(data.drm_fd >= 0);
+
+		igt_set_vt_graphics_mode();
+
+		display_init(&data);
+
+		igt_debugfs_init(&data.debugfs);
+		data.ctl = igt_debugfs_fopen(&data.debugfs,
+					     "i915_display_crc_ctl", "r+");
+		igt_require_f(data.ctl,
+			      "No display_crc_ctl found, kernel too old\n");
+		written = fwrite(cmd, 1, strlen(cmd), data.ctl);
+		ret = fflush(data.ctl);
+		igt_require_f((written == strlen(cmd) && ret == 0) || errno != ENODEV,
+			      "CRCs not supported on this platform\n");
+	}
+
+	igt_subtest("bad-pipe")
+		test_bad_command(&data, "pipe D none");
+
+	igt_subtest("bad-source")
+		test_bad_command(&data, "pipe A foo");
+
+	igt_subtest("bad-nb-words-1")
+		test_bad_command(&data, "pipe foo");
+
+	igt_subtest("bad-nb-words-3")
+		test_bad_command(&data, "pipe A none option");
+
+	for (int i = 0; i < 3; i++) {
+		igt_subtest_f("read-crc-pipe-%c", 'A'+i)
+			test_read_crc(&data, i, 0);
+
+		igt_subtest_f("read-crc-pipe-%c-frame-sequence", 'A'+i)
+			test_read_crc(&data, i, TEST_SEQUENCE);
+	}
+
+	igt_fixture {
+		display_fini(&data);
+		fclose(data.ctl);
+	}
+}