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lib: add function to change connector states

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Add an API function and a test program to force a particular state on a
connector.

v2: mask the correct part of the minor number to get the card number (Chris
    Wilson)

Signed-off-by: Thomas Wood <thomas.wood@intel.com>
This commit is contained in:
Thomas Wood
2014-05-16 17:22:46 +01:00
parent 9b6ae3cb6f
commit 37ffb22d3c
4 changed files with 163 additions and 0 deletions
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tests/Makefile.sources
+1
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@@ -139,6 +139,7 @@ TESTS_progs = \
gen3_render_tiledx_blits \
gen3_render_tiledy_blits \
gen7_forcewake_mt \
kms_force_connector \
kms_sink_crc_basic \
kms_fence_pin_leak \
pm_psr \
tests/kms_force_connector.c
+89
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@@ -0,0 +1,89 @@
/*
* Copyright © 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 "igt_core.h"
#include "igt_kms.h"
#include "drmtest.h"
int
main (int argc, char **argv)
{
/* force the VGA output and test that it worked */
int drm_fd;
drmModeRes *res;
drmModeConnector *connector, *temp;
igt_display_t display;
igt_simple_init();
drm_fd = drm_open_any();
res = drmModeGetResources(drm_fd);
/* find the vga connector */
for (int i = 0; i < res->count_connectors; i++) {
connector = drmModeGetConnector(drm_fd, res->connectors[i]);
if (connector->connector_type == DRM_MODE_CONNECTOR_VGA)
break;
drmModeFreeConnector(connector);
connector = NULL;
}
igt_assert(connector);
/* force the connector on and check the reported values */
kmstest_force_connector(drm_fd, connector, FORCE_CONNECTOR_ON);
temp = drmModeGetConnector(drm_fd, connector->connector_id);
igt_assert(temp->connection == DRM_MODE_CONNECTED);
igt_assert(temp->count_modes > 0);
drmModeFreeConnector(temp);
/* attempt to use the display */
igt_set_vt_graphics_mode();
igt_display_init(&display, drm_fd);
igt_display_commit(&display);
/* force the connector off */
kmstest_force_connector(drm_fd, connector, FORCE_CONNECTOR_OFF);
temp = drmModeGetConnector(drm_fd, connector->connector_id);
igt_assert(temp->connection == DRM_MODE_DISCONNECTED);
igt_assert(temp->count_modes == 0);
drmModeFreeConnector(temp);
/* check that the previous state is restored */
kmstest_force_connector(drm_fd, connector, FORCE_CONNECTOR_UNSPECIFIED);
temp = drmModeGetConnector(drm_fd, connector->connector_id);
igt_assert(temp->connection == connector->connection);
drmModeFreeConnector(temp);
drmModeFreeConnector(connector);
igt_success();
}