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/*
* 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.
*
* Authors:
* Jeff McGee <jeff.mcgee@intel.com>
*
*/
#include "igt.h"
#include <unistd.h>
#include <errno.h>
#include <xf86drm.h>
#include <i915_drm.h>
#include "intel_bufmgr.h"
IGT_TEST_DESCRIPTION("Tests the export of parameters via DRM_IOCTL_I915_GETPARAM\n");
int drm_fd;
int devid;
static void
init(void)
{
drm_fd = drm_open_driver(DRIVER_INTEL);
devid = intel_get_drm_devid(drm_fd);
}
static void
deinit(void)
{
close(drm_fd);
}
#define LOCAL_I915_PARAM_SUBSLICE_TOTAL 33
#define LOCAL_I915_PARAM_EU_TOTAL 34
static int
getparam(int param, int *value)
{
drm_i915_getparam_t gp;
int ret;
memset(&gp, 0, sizeof(gp));
gp.value = value;
gp.param = param;
ret = drmIoctl(drm_fd, DRM_IOCTL_I915_GETPARAM, &gp);
if (ret)
return -errno;
return 0;
}
static void
subslice_total(void)
{
unsigned int subslice_total = 0;
int ret;
ret = getparam(LOCAL_I915_PARAM_SUBSLICE_TOTAL, (int*)&subslice_total);
igt_skip_on_f(ret == -EINVAL && intel_gen(devid), "Interface not supported by kernel\n");
if (ret) {
/*
* These devices are not required to implement the
* interface. If they do not, -ENODEV must be returned.
*/
if ((intel_gen(devid) < 8) ||
IS_BROADWELL(devid) ||
igt_run_in_simulation()) {
igt_assert_eq(ret, -ENODEV);
igt_info("subslice total: unknown\n");
/*
* All other devices must implement the interface, so
* fail them if we are here.
*/
} else {
igt_assert_eq(ret, 0);
}
} else {
/*
* On success, just make sure the returned count value is
* non-zero. The validity of the count value for the given
* device is not checked.
*/
igt_assert_neq(subslice_total, 0);
igt_info("subslice total: %u\n", subslice_total);
}
}
static void
eu_total(void)
{
unsigned int eu_total = 0;
int ret;
ret = getparam(LOCAL_I915_PARAM_EU_TOTAL, (int*)&eu_total);
igt_skip_on_f(ret == -EINVAL, "Interface not supported by kernel\n");
if (ret) {
/*
* These devices are not required to implement the
* interface. If they do not, -ENODEV must be returned.
*/
if ((intel_gen(devid) < 8) ||
IS_BROADWELL(devid) ||
igt_run_in_simulation()) {
igt_assert_eq(ret, -ENODEV);
igt_info("EU total: unknown\n");
/*
* All other devices must implement the interface, so
* fail them if we are here.
*/
} else {
igt_assert_eq(ret, 0);
}
} else {
/*
* On success, just make sure the returned count value is
* non-zero. The validity of the count value for the given
* device is not checked.
*/
igt_assert_neq(eu_total, 0);
igt_info("EU total: %u\n", eu_total);
}
}
static void
exit_handler(int sig)
{
deinit();
}
igt_main
{
igt_fixture {
igt_install_exit_handler(exit_handler);
init();
}
igt_subtest("basic-subslice-total")
subslice_total();
igt_subtest("basic-eu-total")
eu_total();
}
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