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// SPDX-License-Identifier: MIT
/*
* Copyright 2023 Advanced Micro Devices, Inc.
*/
#include <fcntl.h>
#include "igt.h"
#include "igt_amd.h"
#include "igt_core.h"
IGT_TEST_DESCRIPTION("Test enabling sub-viewport feature");
/* Common test data. */
struct data {
igt_display_t display;
igt_plane_t *primary[IGT_MAX_PIPES];
igt_output_t *output[IGT_MAX_PIPES];
igt_pipe_t *pipe[IGT_MAX_PIPES];
igt_pipe_crc_t *pipe_crc[IGT_MAX_PIPES];
drmModeModeInfo mode[IGT_MAX_PIPES];
enum pipe pipe_id[IGT_MAX_PIPES];
int fd;
};
struct line_check {
int found;
const char *substr;
};
static const drmModeModeInfo test_mode[] = {
{ 533250,
3840, 3888, 3920, 4000, 0,
2160, 2214, 2219, 2222, 0,
60,
DRM_MODE_FLAG_NHSYNC,
0x48,
"4k60\0",
}, /* from LG Ultra HD, product_id = 5B09, serial_number = 1010101 */
};
/* Forces a mode for a connector. */
static void force_output_mode(struct data *d, igt_output_t *output,
const drmModeModeInfo *mode)
{
/* This allows us to create a virtual sink. */
if (!igt_output_is_connected(output)) {
kmstest_force_edid(d->fd, output->config.connector,
igt_kms_get_4k_edid());
kmstest_force_connector(d->fd, output->config.connector,
FORCE_CONNECTOR_DIGITAL);
}
igt_output_override_mode(output, mode);
}
/* Common test setup. */
static void test_init(struct data *data)
{
igt_display_t *display = &data->display;
int i, n;
bool subvp_capable = false;
bool subvp_en = false;
for_each_pipe(display, i) {
data->pipe_id[i] = PIPE_A + i;
data->pipe[i] = &data->display.pipes[data->pipe_id[i]];
data->primary[i] = igt_pipe_get_plane_type(data->pipe[i],
DRM_PLANE_TYPE_PRIMARY);
data->pipe_crc[i] = igt_pipe_crc_new(data->fd,
data->pipe_id[i],
IGT_PIPE_CRC_SOURCE_AUTO);
}
for (i = 0, n = 0; i < display->n_outputs && n < display->n_pipes; ++i) {
igt_output_t *output = &display->outputs[i];
data->output[n] = output;
/* Only allow physically connected displays for the tests. */
if (!igt_output_is_connected(output))
continue;
/* SubVP is only enabled on DP */
if (output->config.connector->connector_type !=
DRM_MODE_CONNECTOR_DisplayPort)
continue;
igt_assert(kmstest_get_connector_default_mode(
data->fd, output->config.connector, &data->mode[n]));
force_output_mode(data, data->output[n], &test_mode[0]);
n += 1;
}
igt_require_f(n >= 2, "Requires at least two connected display\n");
igt_amd_get_subvp_status(data->fd, &subvp_capable, &subvp_en);
igt_require_f(subvp_capable, "Requires hardware that supports Sub-viewport\n");
igt_display_reset(display);
}
/* Common test cleanup. */
static void test_fini(struct data *data)
{
igt_display_t *display = &data->display;
int i;
for_each_pipe(display, i) {
igt_pipe_crc_free(data->pipe_crc[i]);
}
igt_display_reset(display);
igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, 0);
}
static void test_subvp(struct data *data)
{
igt_display_t *display = &data->display;
igt_fb_t rfb;
bool subvp_supp, subvp_en;
igt_output_t *output;
int i;
test_init(data);
igt_enable_connectors(data->fd);
for_each_pipe(&data->display, i) {
/* Setup the output */
output = data->output[i];
if (!output || !igt_output_is_connected(output))
continue;
igt_create_pattern_fb(data->fd,
test_mode[0].hdisplay,
test_mode[0].vdisplay,
DRM_FORMAT_XRGB8888,
0,
&rfb);
igt_output_set_pipe(output, data->pipe_id[i]);
igt_plane_set_fb(data->primary[i], &rfb);
igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, 0);
}
igt_amd_get_subvp_status(data->fd, &subvp_supp, &subvp_en);
igt_fail_on_f(!(subvp_supp && subvp_en), "SUBVP did not get enabled\n");
igt_remove_fb(data->fd, &rfb);
test_fini(data);
}
igt_main
{
struct data data;
igt_skip_on_simulation();
memset(&data, 0, sizeof(data));
igt_fixture
{
data.fd = drm_open_driver_master(DRIVER_AMDGPU);
igt_display_require(&data.display, data.fd);
igt_display_require_output(&data.display);
igt_require(data.display.is_atomic);
kmstest_set_vt_graphics_mode();
}
igt_describe("Tests whether system enables sub-viewport when a specific mode is committed");
igt_subtest("dual-4k60") test_subvp(&data);
igt_fixture
{
igt_display_fini(&data.display);
}
}
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