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mutter/src/tests/native-kms-device.c
Jonas Ådahl 2d7a8c3ce9 kms: Don't enter power saving via updates 
The way device backends implement power saving differ, and power saving
needs to contain nothing incompatible in the same update. Make it
impossible to e.g. mode set, page flip, etc while entering power save by
not using MetaKmsUpdate's at all for this.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2159>
2022-01-25 15:47:03 +00:00

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/*
* Copyright (C) 2021 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
*/
#include "config.h"
#include "backends/native/meta-backend-native-private.h"
#include "backends/native/meta-kms-connector.h"
#include "backends/native/meta-kms-crtc.h"
#include "backends/native/meta-kms-device.h"
#include "backends/native/meta-kms-mode-private.h"
#include "backends/native/meta-kms-plane.h"
#include "backends/native/meta-kms-private.h"
#include "backends/native/meta-kms-update.h"
#include "meta-test/meta-context-test.h"
#include "tests/meta-kms-test-utils.h"
static MetaContext *test_context;
static void
meta_test_kms_device_sanity (void)
{
MetaBackend *backend = meta_context_get_backend (test_context);
MetaBackendNative *backend_native = META_BACKEND_NATIVE (backend);
MetaKms *kms = meta_backend_native_get_kms (backend_native);
GList *devices;
MetaKmsDevice *device;
GList *connectors;
MetaKmsConnector *connector;
GList *crtcs;
MetaKmsCrtc *crtc;
GList *planes;
MetaKmsPlane *primary_plane;
MetaKmsPlane *cursor_plane;
devices = meta_kms_get_devices (kms);
g_assert_cmpuint (g_list_length (devices), ==, 1);
device = META_KMS_DEVICE (devices->data);
g_assert (meta_kms_device_get_kms (device) == kms);
g_assert_cmpstr (meta_kms_device_get_driver_name (device), ==, "vkms");
g_assert_true (meta_kms_device_uses_monotonic_clock (device));
connectors = meta_kms_device_get_connectors (device);
g_assert_cmpuint (g_list_length (connectors), ==, 1);
connector = META_KMS_CONNECTOR (connectors->data);
g_assert (meta_kms_connector_get_device (connector) == device);
g_assert_nonnull (meta_kms_connector_get_preferred_mode (connector));
crtcs = meta_kms_device_get_crtcs (device);
g_assert_cmpuint (g_list_length (crtcs), ==, 1);
crtc = META_KMS_CRTC (crtcs->data);
g_assert (meta_kms_crtc_get_device (crtc) == device);
planes = meta_kms_device_get_planes (device);
g_assert_cmpuint (g_list_length (planes), ==, 2);
primary_plane = meta_kms_device_get_primary_plane_for (device, crtc);
g_assert_nonnull (primary_plane);
cursor_plane = meta_kms_device_get_cursor_plane_for (device, crtc);
g_assert_nonnull (cursor_plane);
g_assert (cursor_plane != primary_plane);
g_assert_nonnull (g_list_find (planes, primary_plane));
g_assert_nonnull (g_list_find (planes, cursor_plane));
g_assert (meta_kms_plane_get_device (primary_plane) == device);
g_assert (meta_kms_plane_get_device (cursor_plane) == device);
g_assert_true (meta_kms_plane_is_usable_with (primary_plane, crtc));
g_assert_true (meta_kms_plane_is_usable_with (cursor_plane, crtc));
g_assert_cmpint (meta_kms_plane_get_plane_type (primary_plane),
==,
META_KMS_PLANE_TYPE_PRIMARY);
g_assert_cmpint (meta_kms_plane_get_plane_type (cursor_plane),
==,
META_KMS_PLANE_TYPE_CURSOR);
}
static void
assert_crtc_state_equals (const MetaKmsCrtcState *crtc_state1,
const MetaKmsCrtcState *crtc_state2)
{
g_assert_cmpint (crtc_state1->is_active, ==, crtc_state2->is_active);
g_assert (meta_rectangle_equal (&crtc_state1->rect, &crtc_state2->rect));
g_assert_cmpint (crtc_state1->is_drm_mode_valid,
==,
crtc_state2->is_drm_mode_valid);
if (crtc_state1->is_drm_mode_valid)
{
g_assert_cmpstr (crtc_state1->drm_mode.name,
==,
crtc_state2->drm_mode.name);
}
g_assert_cmpint (crtc_state1->gamma.size, ==, crtc_state1->gamma.size);
g_assert_cmpmem (crtc_state1->gamma.red,
crtc_state1->gamma.size * sizeof (uint16_t),
crtc_state2->gamma.red,
crtc_state2->gamma.size * sizeof (uint16_t));
g_assert_cmpmem (crtc_state1->gamma.green,
crtc_state1->gamma.size * sizeof (uint16_t),
crtc_state2->gamma.green,
crtc_state2->gamma.size * sizeof (uint16_t));
g_assert_cmpmem (crtc_state1->gamma.blue,
crtc_state1->gamma.size * sizeof (uint16_t),
crtc_state2->gamma.blue,
crtc_state2->gamma.size * sizeof (uint16_t));
}
static int
compare_modes (gconstpointer a,
gconstpointer b)
{
MetaKmsMode *mode_a = (MetaKmsMode *) a;
MetaKmsMode *mode_b = (MetaKmsMode *) b;
return g_strcmp0 (meta_kms_mode_get_name (mode_a),
meta_kms_mode_get_name (mode_b));
}
static void
assert_list_equals_unsorted (GList *list1,
GList *list2,
GCompareFunc compare)
{
list1 = g_list_copy (list1);
list2 = g_list_copy (list2);
while (list1)
{
GList *l;
l = g_list_find_custom (list2, list1->data, compare);
g_assert_nonnull (l);
list2 = g_list_delete_link (list2, l);
list1 = g_list_delete_link (list1, list1);
}
g_assert_null (list2);
}
static void
assert_connector_state_equals (const MetaKmsConnectorState *connector_state1,
const MetaKmsConnectorState *connector_state2)
{
g_assert_cmpuint (connector_state1->current_crtc_id,
==,
connector_state2->current_crtc_id);
g_assert_cmpuint (connector_state1->common_possible_crtcs,
==,
connector_state2->common_possible_crtcs);
g_assert_cmpuint (connector_state1->common_possible_clones,
==,
connector_state2->common_possible_clones);
g_assert_cmpuint (connector_state1->encoder_device_idxs,
==,
connector_state2->encoder_device_idxs);
g_assert_cmpuint (g_list_length (connector_state1->modes),
==,
g_list_length (connector_state2->modes));
assert_list_equals_unsorted (connector_state1->modes,
connector_state2->modes,
compare_modes);
if (connector_state1->edid_data || connector_state2->edid_data)
{
g_assert_cmpint (g_bytes_compare (connector_state1->edid_data,
connector_state2->edid_data),
==,
0);
}
g_assert_cmpint (connector_state1->has_scaling,
==,
connector_state2->has_scaling);
g_assert_cmpint (connector_state1->non_desktop,
==,
connector_state2->non_desktop);
g_assert_cmpint (connector_state1->subpixel_order,
==,
connector_state2->subpixel_order);
g_assert_cmpint (connector_state1->suggested_x,
==,
connector_state2->suggested_x);
g_assert_cmpint (connector_state1->hotplug_mode_update,
==,
connector_state2->hotplug_mode_update);
g_assert_cmpint (connector_state1->panel_orientation_transform,
==,
connector_state2->panel_orientation_transform);
}
static MetaKmsCrtcState
copy_crtc_state (const MetaKmsCrtcState *crtc_state)
{
MetaKmsCrtcState new_state;
g_assert_nonnull (crtc_state);
new_state = *crtc_state;
new_state.gamma.red = g_memdup2 (new_state.gamma.red,
new_state.gamma.size * sizeof (uint16_t));
new_state.gamma.green = g_memdup2 (new_state.gamma.green,
new_state.gamma.size * sizeof (uint16_t));
new_state.gamma.blue = g_memdup2 (new_state.gamma.blue,
new_state.gamma.size * sizeof (uint16_t));
return new_state;
}
static MetaKmsConnectorState
copy_connector_state (const MetaKmsConnectorState *connector_state)
{
MetaKmsConnectorState new_state;
g_assert_nonnull (connector_state);
new_state = *connector_state;
new_state.modes = g_list_copy_deep (new_state.modes,
(GCopyFunc) meta_kms_mode_clone,
NULL);
if (new_state.edid_data)
{
new_state.edid_data =
g_bytes_new_from_bytes (new_state.edid_data,
0,
g_bytes_get_size (new_state.edid_data));
}
return new_state;
}
static void
release_crtc_state (const MetaKmsCrtcState *crtc_state)
{
g_free (crtc_state->gamma.red);
g_free (crtc_state->gamma.green);
g_free (crtc_state->gamma.blue);
}
static void
release_connector_state (const MetaKmsConnectorState *connector_state)
{
g_list_free_full (connector_state->modes,
(GDestroyNotify) meta_kms_mode_free);
g_bytes_unref (connector_state->edid_data);
}
static void
meta_test_kms_device_mode_set (void)
{
MetaKmsDevice *device;
MetaKmsUpdate *update;
MetaKmsCrtc *crtc;
MetaKmsConnector *connector;
MetaKmsMode *mode;
MetaKmsPlane *primary_plane;
g_autoptr (MetaDrmBuffer) primary_buffer = NULL;
MetaKmsCrtcState crtc_state;
MetaKmsConnectorState connector_state;
MetaRectangle mode_rect;
device = meta_get_test_kms_device (test_context);
crtc = meta_get_test_kms_crtc (device);
connector = meta_get_test_kms_connector (device);
mode = meta_kms_connector_get_preferred_mode (connector);
update = meta_kms_update_new (device);
meta_kms_update_mode_set (update, crtc,
g_list_append (NULL, connector),
mode);
primary_buffer = meta_create_test_mode_dumb_buffer (device, mode);
primary_plane = meta_kms_device_get_primary_plane_for (device, crtc);
meta_kms_update_assign_plane (update,
crtc,
primary_plane,
primary_buffer,
meta_get_mode_fixed_rect_16 (mode),
meta_get_mode_rect (mode),
META_KMS_ASSIGN_PLANE_FLAG_NONE);
meta_kms_device_process_update_sync (device, update,
META_KMS_UPDATE_FLAG_NONE);
meta_kms_update_free (update);
g_assert_nonnull (meta_kms_crtc_get_current_state (crtc));
crtc_state = copy_crtc_state (meta_kms_crtc_get_current_state (crtc));
g_assert_true (crtc_state.is_active);
g_assert_true (crtc_state.is_drm_mode_valid);
mode_rect = meta_get_mode_rect (mode);
g_assert (meta_rectangle_equal (&crtc_state.rect, &mode_rect));
g_assert_nonnull (meta_kms_connector_get_current_state (connector));
connector_state =
copy_connector_state (meta_kms_connector_get_current_state (connector));
g_assert_cmpuint (connector_state.current_crtc_id,
==,
meta_kms_crtc_get_id (crtc));
meta_kms_update_states_sync (meta_kms_device_get_kms (device), NULL);
assert_crtc_state_equals (&crtc_state,
meta_kms_crtc_get_current_state (crtc));
assert_connector_state_equals (&connector_state,
meta_kms_connector_get_current_state (connector));
release_crtc_state (&crtc_state);
release_connector_state (&connector_state);
}
static void
meta_test_kms_device_power_save (void)
{
MetaKmsDevice *device;
MetaKmsUpdate *update;
MetaKmsCrtc *crtc;
MetaKmsConnector *connector;
MetaKmsMode *mode;
MetaKmsPlane *primary_plane;
g_autoptr (MetaDrmBuffer) primary_buffer = NULL;
const MetaKmsCrtcState *crtc_state;
const MetaKmsConnectorState *connector_state;
device = meta_get_test_kms_device (test_context);
crtc = meta_get_test_kms_crtc (device);
connector = meta_get_test_kms_connector (device);
mode = meta_kms_connector_get_preferred_mode (connector);
primary_plane = meta_kms_device_get_primary_plane_for (device, crtc);
primary_buffer = meta_create_test_mode_dumb_buffer (device, mode);
/*
* Set mode and assign primary plane.
*/
update = meta_kms_update_new (device);
meta_kms_update_mode_set (update, crtc,
g_list_append (NULL, connector),
mode);
meta_kms_update_assign_plane (update,
crtc,
primary_plane,
primary_buffer,
meta_get_mode_fixed_rect_16 (mode),
meta_get_mode_rect (mode),
META_KMS_ASSIGN_PLANE_FLAG_NONE);
meta_kms_device_process_update_sync (device, update,
META_KMS_UPDATE_FLAG_NONE);
meta_kms_update_free (update);
g_assert_true (meta_kms_crtc_is_active (crtc));
/*
* Enable power saving mode.
*/
meta_kms_device_disable (device);
g_assert_false (meta_kms_crtc_is_active (crtc));
crtc_state = meta_kms_crtc_get_current_state (crtc);
g_assert_nonnull (crtc_state);
g_assert_false (crtc_state->is_active);
g_assert_false (crtc_state->is_drm_mode_valid);
connector_state = meta_kms_connector_get_current_state (connector);
g_assert_nonnull (connector_state);
g_assert_cmpuint (connector_state->current_crtc_id, ==, 0);
/*
* Disable power saving mode by mode setting again.
*/
update = meta_kms_update_new (device);
meta_kms_update_mode_set (update, crtc,
g_list_append (NULL, connector),
mode);
meta_kms_update_assign_plane (update,
crtc,
primary_plane,
primary_buffer,
meta_get_mode_fixed_rect_16 (mode),
meta_get_mode_rect (mode),
META_KMS_ASSIGN_PLANE_FLAG_NONE);
meta_kms_device_process_update_sync (device, update,
META_KMS_UPDATE_FLAG_NONE);
meta_kms_update_free (update);
g_assert_true (meta_kms_crtc_is_active (crtc));
connector_state = meta_kms_connector_get_current_state (connector);
g_assert_nonnull (connector_state);
g_assert_cmpuint (connector_state->current_crtc_id,
==,
meta_kms_crtc_get_id (crtc));
}
static void
init_tests (void)
{
g_test_add_func ("/backends/native/kms/device/sanity",
meta_test_kms_device_sanity);
g_test_add_func ("/backends/native/kms/device/mode-set",
meta_test_kms_device_mode_set);
g_test_add_func ("/backends/native/kms/device/power-save",
meta_test_kms_device_power_save);
}
int
main (int argc,
char **argv)
{
g_autoptr (MetaContext) context = NULL;
g_autoptr (GError) error = NULL;
context = test_context =
meta_create_test_context (META_CONTEXT_TEST_TYPE_VKMS,
META_CONTEXT_TEST_FLAG_NO_X11);
g_assert (meta_context_configure (context, &argc, &argv, NULL));
init_tests ();
return meta_context_test_run_tests (META_CONTEXT_TEST (context),
META_TEST_RUN_FLAG_CAN_SKIP);
}
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