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165 lines
3.9 KiB
165 lines
3.9 KiB
/*
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* Copyright © 2014 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Jeff McGee <jeff.mcgee@intel.com>
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*
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*/
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#include "igt.h"
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#include <unistd.h>
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#include <errno.h>
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#include <xf86drm.h>
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#include <i915_drm.h>
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#include "intel_bufmgr.h"
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IGT_TEST_DESCRIPTION("Tests the export of parameters via DRM_IOCTL_I915_GETPARAM\n");
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int drm_fd;
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int devid;
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static void
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init(void)
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{
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drm_fd = drm_open_driver(DRIVER_INTEL);
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devid = intel_get_drm_devid(drm_fd);
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}
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static void
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deinit(void)
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{
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close(drm_fd);
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}
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#define LOCAL_I915_PARAM_SUBSLICE_TOTAL 33
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#define LOCAL_I915_PARAM_EU_TOTAL 34
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static int
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getparam(int param, int *value)
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{
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drm_i915_getparam_t gp;
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int ret;
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memset(&gp, 0, sizeof(gp));
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gp.value = value;
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gp.param = param;
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ret = drmIoctl(drm_fd, DRM_IOCTL_I915_GETPARAM, &gp);
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if (ret)
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return -errno;
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return 0;
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}
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static void
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subslice_total(void)
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{
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unsigned int subslice_total = 0;
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int ret;
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ret = getparam(LOCAL_I915_PARAM_SUBSLICE_TOTAL, (int*)&subslice_total);
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igt_skip_on_f(ret == -EINVAL && intel_gen(devid), "Interface not supported by kernel\n");
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if (ret) {
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/*
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* These devices are not required to implement the
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* interface. If they do not, -ENODEV must be returned.
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*/
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if ((intel_gen(devid) < 8) ||
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IS_BROADWELL(devid) ||
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igt_run_in_simulation()) {
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igt_assert_eq(ret, -ENODEV);
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igt_info("subslice total: unknown\n");
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/*
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* All other devices must implement the interface, so
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* fail them if we are here.
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*/
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} else {
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igt_assert_eq(ret, 0);
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}
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} else {
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/*
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* On success, just make sure the returned count value is
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* non-zero. The validity of the count value for the given
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* device is not checked.
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*/
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igt_assert_neq(subslice_total, 0);
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igt_info("subslice total: %u\n", subslice_total);
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}
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}
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static void
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eu_total(void)
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{
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unsigned int eu_total = 0;
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int ret;
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ret = getparam(LOCAL_I915_PARAM_EU_TOTAL, (int*)&eu_total);
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igt_skip_on_f(ret == -EINVAL, "Interface not supported by kernel\n");
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if (ret) {
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/*
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* These devices are not required to implement the
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* interface. If they do not, -ENODEV must be returned.
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*/
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if ((intel_gen(devid) < 8) ||
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IS_BROADWELL(devid) ||
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igt_run_in_simulation()) {
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igt_assert_eq(ret, -ENODEV);
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igt_info("EU total: unknown\n");
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/*
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* All other devices must implement the interface, so
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* fail them if we are here.
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*/
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} else {
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igt_assert_eq(ret, 0);
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}
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} else {
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/*
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* On success, just make sure the returned count value is
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* non-zero. The validity of the count value for the given
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* device is not checked.
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*/
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igt_assert_neq(eu_total, 0);
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igt_info("EU total: %u\n", eu_total);
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}
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}
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static void
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exit_handler(int sig)
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{
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deinit();
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}
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igt_main
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{
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igt_fixture {
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igt_install_exit_handler(exit_handler);
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init();
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}
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igt_subtest("basic-subslice-total")
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subslice_total();
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igt_subtest("basic-eu-total")
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eu_total();
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}
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