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/*
* 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 "igt.h"
#include <errno.h>
#include <limits.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include "drm_fourcc.h"
#define CRC_BLACK "000000000000"
enum color {
RED,
GREEN,
};
typedef struct {
int drm_fd;
igt_display_t display;
struct igt_fb fb_green, fb_red;
igt_plane_t *primary;
} data_t;
static void get_crc(char *crc) {
int ret;
FILE *file;
file = igt_debugfs_fopen("i915_sink_crc_eDP1", "r");
igt_require(file);
ret = fscanf(file, "%s\n", crc);
igt_require(ret > 0);
fclose(file);
/* Black screen is always invalid */
igt_assert(strcmp(crc, CRC_BLACK) != 0);
}
static void assert_color(const char *crc, enum color color)
{
unsigned int r, g, b;
int ret;
ret = sscanf(crc, "%4x%4x%4x", &r, &g, &b);
igt_assert_eq(ret, 3);
switch (color) {
case RED:
igt_assert_lt(0, r);
igt_assert_eq(0, g);
igt_assert_eq(0, b);
break;
case GREEN:
igt_assert_eq(0, r);
igt_assert_lt(0, g);
igt_assert_eq(0, b);
break;
default:
igt_fail(IGT_EXIT_FAILURE);
}
}
static void basic_sink_crc_check(data_t *data)
{
char crc[13];
/* Go Green */
igt_plane_set_fb(data->primary, &data->fb_green);
igt_display_commit(&data->display);
/* It should be Green */
get_crc(crc);
assert_color(crc, GREEN);
/* Go Red */
igt_plane_set_fb(data->primary, &data->fb_red);
igt_display_commit(&data->display);
/* It should be Red */
get_crc(crc);
assert_color(crc, RED);
}
static void run_test(data_t *data)
{
igt_display_t *display = &data->display;
igt_output_t *output;
drmModeModeInfo *mode;
enum pipe pipe;
for_each_pipe_with_valid_output(display, pipe, output) {
drmModeConnectorPtr c = output->config.connector;
if (c->connector_type != DRM_MODE_CONNECTOR_eDP)
continue;
igt_output_set_pipe(output, pipe);
mode = igt_output_get_mode(output);
igt_create_color_fb(data->drm_fd,
mode->hdisplay, mode->vdisplay,
DRM_FORMAT_XRGB8888,
LOCAL_I915_FORMAT_MOD_X_TILED,
0.0, 1.0, 0.0,
&data->fb_green);
igt_create_color_fb(data->drm_fd,
mode->hdisplay, mode->vdisplay,
DRM_FORMAT_XRGB8888,
LOCAL_I915_FORMAT_MOD_X_TILED,
1.0, 0.0, 0.0,
&data->fb_red);
data->primary = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
basic_sink_crc_check(data);
return;
}
igt_skip("no eDP with CRC support found\n");
}
igt_simple_main
{
data_t data = {};
igt_skip_on_simulation();
data.drm_fd = drm_open_driver_master(DRIVER_INTEL);
kmstest_set_vt_graphics_mode();
igt_display_init(&data.display, data.drm_fd);
run_test(&data);
igt_display_fini(&data.display);
}
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