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/*
* Copyright © 2013 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.
*
* Author: Paulo Zanoni <paulo.r.zanoni@intel.com>
*
*/
#include "igt.h"
#include "igt_kmod.h"
#include "igt_pm.h"
#include "igt_sysfs.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#define MAX_SINK_LPSP_INFO_BUF_LEN 4096
#define PWR_DOMAIN_INFO "i915_power_domain_info"
typedef struct {
int drm_fd;
int debugfs_fd;
uint32_t devid;
char *pwr_dmn_info;
igt_display_t display;
struct igt_fb fb;
drmModeModeInfo *mode;
igt_output_t *output;
} data_t;
static bool lpsp_is_enabled(data_t *data)
{
char buf[MAX_SINK_LPSP_INFO_BUF_LEN];
int len;
len = igt_debugfs_simple_read(data->debugfs_fd, "i915_lpsp_status",
buf, sizeof(buf));
if (len < 0)
igt_assert_eq(len, -ENODEV);
igt_skip_on(strstr(buf, "LPSP: not supported"));
return strstr(buf, "LPSP: enabled");
}
static bool dmc_supported(int debugfs)
{
char buf[15];
int len;
len = igt_sysfs_read(debugfs, "i915_dmc_info", buf, sizeof(buf) - 1);
if (len < 0)
return false;
else
return true;
}
/*
* The LPSP mode is all about an enabled pipe, but we expect to also be in the
* low power mode when no pipes are enabled, so do this check anyway.
*/
static void screens_disabled_subtest(data_t *data)
{
igt_output_t *output;
int valid_output = 0;
enum pipe pipe;
for_each_pipe_with_single_output(&data->display, pipe, output) {
data->output = output;
igt_output_set_pipe(data->output, PIPE_NONE);
igt_display_commit(&data->display);
valid_output++;
}
igt_require_f(valid_output, "No connected output found\n");
/* eDP panel may have power_cycle_delay of 600ms, 1sec delay is safer */
igt_assert_f(igt_wait(lpsp_is_enabled(data), 1000, 100),
"lpsp is not enabled\n%s:\n%s\n",
PWR_DOMAIN_INFO, data->pwr_dmn_info =
igt_sysfs_get(data->debugfs_fd, PWR_DOMAIN_INFO));
}
static void setup_lpsp_output(data_t *data)
{
igt_plane_t *primary;
/* set output pipe = PIPE_A for LPSP */
igt_output_set_pipe(data->output, PIPE_A);
primary = igt_output_get_plane_type(data->output,
DRM_PLANE_TYPE_PRIMARY);
igt_plane_set_fb(primary, NULL);
igt_create_pattern_fb(data->drm_fd,
data->mode->hdisplay, data->mode->vdisplay,
DRM_FORMAT_XRGB8888,
LOCAL_DRM_FORMAT_MOD_NONE,
&data->fb);
igt_plane_set_fb(primary, &data->fb);
igt_display_commit(&data->display);
}
static void test_cleanup(data_t *data)
{
igt_plane_t *primary;
if (!data->output || data->output->pending_pipe == PIPE_NONE)
return;
primary = igt_output_get_plane_type(data->output,
DRM_PLANE_TYPE_PRIMARY);
igt_plane_set_fb(primary, NULL);
igt_output_set_pipe(data->output, PIPE_NONE);
igt_display_commit(&data->display);
igt_remove_fb(data->drm_fd, &data->fb);
data->output = NULL;
}
static void test_lpsp(data_t *data)
{
drmModeConnectorPtr c = data->output->config.connector;
int i;
/* LPSP is low power single pipe usages i.e. PIPE_A */
igt_require(igt_pipe_connector_valid(PIPE_A, data->output));
igt_require_f(i915_output_is_lpsp_capable(data->drm_fd, data->output),
"output is not lpsp capable\n");
data->mode = igt_output_get_mode(data->output);
/* For LPSP avoid pipe big joiner by atleast 4k mode */
if (data->mode->hdisplay > 3840 && data->mode->vdisplay > 2160)
for (i = 0; i < c->count_modes; i++) {
if (c->modes[i].hdisplay <= 3840 &&
c->modes[i].vdisplay <= 2160) {
data->mode = &c->modes[i];
igt_output_override_mode(data->output,
data->mode);
break;
}
}
igt_require(data->mode->hdisplay <= 3840 &&
data->mode->vdisplay <= 2160);
setup_lpsp_output(data);
igt_assert_f(lpsp_is_enabled(data), "%s: lpsp is not enabled\n%s:\n%s\n",
data->output->name, PWR_DOMAIN_INFO, data->pwr_dmn_info =
igt_sysfs_get(data->debugfs_fd, PWR_DOMAIN_INFO));
}
IGT_TEST_DESCRIPTION("These tests validates display Low Power Single Pipe configurations");
igt_main
{
data_t data = {};
igt_fixture {
data.drm_fd = drm_open_driver_master(DRIVER_INTEL);
igt_require(data.drm_fd >= 0);
data.debugfs_fd = igt_debugfs_dir(data.drm_fd);
igt_require(data.debugfs_fd >= 0);
igt_pm_enable_audio_runtime_pm();
kmstest_set_vt_graphics_mode();
data.devid = intel_get_drm_devid(data.drm_fd);
igt_display_require(&data.display, data.drm_fd);
igt_require(igt_pm_dmc_loaded(data.debugfs_fd));
}
igt_describe("This test validates lpsp while all crtc are disabled");
igt_subtest("screens-disabled") {
igt_require_f(!dmc_supported(data.debugfs_fd),
"DC states supported platform don't have ROI for this subtest\n");
screens_disabled_subtest(&data);
}
igt_describe("This test validates lpsp on all connected outputs on low power PIPE_A");
igt_subtest_with_dynamic_f("kms-lpsp") {
igt_display_t *display = &data.display;
igt_output_t *output;
for_each_connected_output(display, output) {
igt_dynamic_f("kms-lpsp-%s",
kmstest_connector_type_str(output->config.connector->connector_type)) {
data.output = output;
test_lpsp(&data);
}
test_cleanup(&data);
}
}
igt_fixture {
free(data.pwr_dmn_info);
close(data.drm_fd);
igt_display_fini(&data.display);
}
}
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