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/*
* Copyright © 2017 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 "config.h"
#include <dirent.h>
#include "igt.h"
#include "igt_edid.h"
#include "igt_eld.h"
#include "xe/xe_query.h"
/**
* TEST: kms hdmi inject
* Category: Display
* Description: Test that in-kernel EDID parsing is producing expected results
* by forcing a HDMI connector with a known EDID and checking that
* the metadata exposed to user space matches.
*
* SUBTEST: inject-4k
* Description: Make sure that 4K modes exposed by DRM match the forced EDID and
* modesetting using it succeed.
* Driver requirement: i915, xe
* Functionality: force_connector, hdmi_edid
* Mega feature: HDMI
* Test category: functionality test
*
* SUBTEST: inject-audio
* Description: Make sure that audio information exposed by ALSA match the forced
* EDID.
* Driver requirement: i915, xe
* Functionality: audio, force_connector
* Mega feature: HDMI
* Test category: functionality test
*/
#define HDISPLAY_4K 3840
#define VDISPLAY_4K 2160
IGT_TEST_DESCRIPTION("Test that in-kernel EDID parsing is producing "
"expected results by forcing a HDMI connector "
"with a known EDID and checking that the metadata "
"exposed to user space matches.");
/**
* This collection of tests performs EDID and status injection tests. Injection
* forces a given EDID and status on a connector. The kernel will parse the
* forced EDID and we will check whether correct metadata is exposed to
* userspace.
*
* Currently, this can be used to test:
*
* - 4K modes exposed via KMS
* - Audio capabilities of the monitor exposed via ALSA. EDID-Like Data (ELD)
* entries in /proc/asound are verified.
*/
/** get_connector: get the first disconnected HDMI connector */
static drmModeConnector *
get_connector(int drm_fd, drmModeRes *res)
{
int i;
drmModeConnector *connector;
for (i = 0; i < res->count_connectors; i++) {
connector =
drmModeGetConnectorCurrent(drm_fd, res->connectors[i]);
if (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)
break;
drmModeFreeConnector(connector);
connector = NULL;
}
return connector;
}
static void
hdmi_inject_4k(int drm_fd, drmModeConnector *connector)
{
const struct edid *edid;
struct kmstest_connector_config config;
int ret, cid, i, crtc_mask = -1;
int fb_id;
struct igt_fb fb;
uint8_t found_4k_mode = 0;
if (is_intel_device(drm_fd)) {
uint32_t devid = intel_get_drm_devid(drm_fd);
/* 4K requires at least HSW */
igt_require(IS_HASWELL(devid) || intel_display_ver(devid) >= 8);
}
edid = igt_kms_get_4k_edid();
kmstest_force_edid(drm_fd, connector, edid);
if (!kmstest_force_connector(drm_fd, connector, FORCE_CONNECTOR_ON))
igt_skip("Could not force connector on\n");
cid = connector->connector_id;
connector = drmModeGetConnectorCurrent(drm_fd, cid);
for (i = 0; i < connector->count_modes; i++) {
if (connector->modes[i].hdisplay == HDISPLAY_4K &&
connector->modes[i].vdisplay == VDISPLAY_4K) {
found_4k_mode++;
break;
}
}
igt_assert(found_4k_mode);
/* create a configuration */
ret = kmstest_get_connector_config(drm_fd, cid, crtc_mask, &config);
igt_assert(ret);
igt_info(" ");
kmstest_dump_mode(&connector->modes[i]);
/* create framebuffer */
fb_id = igt_create_fb(drm_fd, connector->modes[i].hdisplay,
connector->modes[i].vdisplay,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_MOD_LINEAR, &fb);
ret = drmModeSetCrtc(drm_fd, config.crtc->crtc_id, fb_id, 0, 0,
&connector->connector_id, 1,
&connector->modes[i]);
igt_assert(ret == 0);
igt_remove_fb(drm_fd, &fb);
kmstest_force_connector(drm_fd, connector, FORCE_CONNECTOR_UNSPECIFIED);
kmstest_force_edid(drm_fd, connector, NULL);
}
static void
hdmi_inject_audio(int drm_fd, drmModeConnector *connector)
{
const struct edid *edid;
int fb_id, cid, ret, crtc_mask = -1;
struct igt_fb fb;
struct kmstest_connector_config config;
igt_require(eld_is_supported());
edid = igt_kms_get_hdmi_audio_edid();
kmstest_force_edid(drm_fd, connector, edid);
if (!kmstest_force_connector(drm_fd, connector, FORCE_CONNECTOR_ON))
igt_skip("Could not force connector on\n");
cid = connector->connector_id;
connector = drmModeGetConnectorCurrent(drm_fd, cid);
/* create a configuration */
ret = kmstest_get_connector_config(drm_fd, cid, crtc_mask, &config);
igt_assert(ret);
/*
* Create a framebuffer as to allow the kernel to enable the pipe and
* enable the audio encoder.
*/
fb_id = igt_create_fb(drm_fd, connector->modes[0].hdisplay,
connector->modes[0].vdisplay,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_MOD_LINEAR, &fb);
ret = drmModeSetCrtc(drm_fd, config.crtc->crtc_id, fb_id, 0, 0,
&connector->connector_id, 1,
&connector->modes[0]);
igt_assert(ret == 0);
/*
* Test if we have /proc/asound/HDMI/eld#0.0 and is its contents are
* valid.
*/
igt_assert(eld_has_igt());
igt_remove_fb(drm_fd, &fb);
igt_info(" ");
kmstest_dump_mode(&connector->modes[0]);
kmstest_force_connector(drm_fd, connector, FORCE_CONNECTOR_UNSPECIFIED);
kmstest_force_edid(drm_fd, connector, NULL);
}
igt_main
{
int drm_fd;
drmModeRes *res;
drmModeConnector *connector;
igt_fixture {
drm_fd = drm_open_driver_master(DRIVER_ANY);
res = drmModeGetResources(drm_fd);
igt_require(res);
connector = get_connector(drm_fd, res);
igt_require(connector);
kmstest_unset_all_crtcs(drm_fd, res);
}
igt_describe("Make sure that 4K modes exposed by DRM match the "
"forced EDID and modesetting using it succeed.");
igt_subtest("inject-4k")
hdmi_inject_4k(drm_fd, connector);
igt_describe("Make sure that audio information exposed by ALSA "
"match the forced EDID.");
igt_subtest("inject-audio")
hdmi_inject_audio(drm_fd, connector);
igt_fixture {
drmModeFreeConnector(connector);
drm_close_driver(drm_fd);
}
}
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