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tests/kms/device: Test cursor updates just before turning off CRTC

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If we turn of a CRTC, we might have invalidated the cursor manager for
the same CRTC, but that should not mean a cursor plane is assigned when
turning off the CRTC.

Add a test case for this.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2777>
This commit is contained in:
Jonas Ådahl 2023-05-03 15:53:42 +02:00
parent 6d873036e0
commit 7a821345db
5 changed files with 210 additions and 0 deletions
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2
src/backends/native/meta-kms-cursor-manager.h
View File

@ -48,6 +48,7 @@ void meta_kms_cursor_manager_set_query_func (MetaKmsCursorManager *cursor_ma
MetaKmsCursorQueryInImpl func,
gpointer user_data);
META_EXPORT_TEST
void meta_kms_cursor_manager_position_changed_in_input_impl (MetaKmsCursorManager *cursor_manager,
const graphene_point_t *position);
@ -56,6 +57,7 @@ void meta_kms_cursor_manager_update_sprite (MetaKmsCursorManager *cursor_manag
MetaDrmBuffer *buffer,
const graphene_point_t *hotspot);
META_EXPORT_TEST
void meta_kms_cursor_manager_update_crtc_layout (MetaKmsCursorManager *cursor_manager,
GArray *layouts);

2
src/backends/native/meta-kms-device.h
View File

@ -44,6 +44,7 @@ const char * meta_kms_device_get_driver_description (MetaKmsDevice *device);
MetaKmsDeviceFlag meta_kms_device_get_flags (MetaKmsDevice *device);
META_EXPORT_TEST
gboolean meta_kms_device_get_cursor_size (MetaKmsDevice *device,
uint64_t *out_cursor_width,
uint64_t *out_cursor_height);
@ -83,6 +84,7 @@ void meta_kms_device_post_update (MetaKmsDevice *device,
MetaKmsUpdate *update,
MetaKmsUpdateFlag flags);
META_EXPORT_TEST
void meta_kms_device_await_flush (MetaKmsDevice *device,
MetaKmsCrtc *crtc);

1
src/backends/native/meta-kms-plane.h
View File

@ -41,6 +41,7 @@ G_DECLARE_FINAL_TYPE (MetaKmsPlane, meta_kms_plane,
META_EXPORT_TEST
MetaKmsDevice * meta_kms_plane_get_device (MetaKmsPlane *plane);
META_EXPORT_TEST
uint32_t meta_kms_plane_get_id (MetaKmsPlane *plane);
META_EXPORT_TEST

3
src/backends/native/meta-kms.h
View File

@ -73,4 +73,7 @@ void meta_kms_inhibit_kernel_thread (MetaKms *kms);
META_EXPORT_TEST
void meta_kms_uninhibit_kernel_thread (MetaKms *kms);
META_EXPORT_TEST
MetaKmsCursorManager * meta_kms_get_cursor_manager (MetaKms *kms);
#endif /* META_KMS_H */

202
src/tests/native-kms-device.c
View File

@ -21,15 +21,22 @@
#include "config.h"
#include "backends/native/meta-backend-native-private.h"
#include "backends/native/meta-device-pool.h"
#include "backends/native/meta-input-thread.h"
#include "backends/native/meta-kms-connector.h"
#include "backends/native/meta-kms-crtc.h"
#include "backends/native/meta-kms-cursor-manager.h"
#include "backends/native/meta-kms-device.h"
#include "backends/native/meta-kms-device-private.h"
#include "backends/native/meta-kms-impl-device-simple.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 "backends/native/meta-seat-native.h"
#include "meta-test/meta-context-test.h"
#include "tests/meta-kms-test-utils.h"
#include "tests/meta-test-utils.h"
static MetaContext *test_context;
@ -395,6 +402,199 @@ meta_test_kms_device_power_save (void)
meta_kms_crtc_get_id (crtc));
}
static void
done_update_result_feedback (const MetaKmsFeedback *feedback,
gpointer user_data)
{
gboolean *done = user_data;
*done = TRUE;
}
static const MetaKmsResultListenerVtable done_result_listener_vtable = {
.feedback = done_update_result_feedback,
};
static gboolean
fake_position_changed_in_input_impl (GTask *task)
{
MetaKmsCursorManager *cursor_manager = g_task_get_task_data (task);
meta_kms_cursor_manager_position_changed_in_input_impl (cursor_manager,
&GRAPHENE_POINT_INIT (50, 50));
g_task_return_boolean (task, TRUE);
return G_SOURCE_REMOVE;
}
static void
fake_position_changed (ClutterSeat *seat,
MetaKmsCursorManager *cursor_manager)
{
MetaSeatNative *seat_native;
g_autoptr (GTask) task = NULL;
seat_native = META_SEAT_NATIVE (seat);
task = g_task_new (seat_native, NULL, NULL, NULL);
g_task_set_task_data (task, cursor_manager, NULL);
meta_seat_impl_run_input_task (seat_native->impl, task,
(GSourceFunc) fake_position_changed_in_input_impl);
}
static void
meta_test_kms_device_discard_disabled (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);
MetaKmsCursorManager *cursor_manager = meta_kms_get_cursor_manager (kms);
g_autoptr (GArray) layout_array = NULL;
MetaKmsCrtcLayout layout;
g_autoptr (GArray) empty_array = NULL;
ClutterSeat *seat;
MetaKmsDevice *device;
MetaDevicePool *device_pool;
MetaDeviceFile *device_file;
MetaKmsUpdate *update;
MetaKmsCrtc *crtc;
MetaKmsConnector *connector;
MetaKmsMode *mode;
MetaKmsPlane *primary_plane;
MetaKmsPlane *cursor_plane;
uint64_t cursor_width, cursor_height;
g_autoptr (MetaDrmBuffer) primary_buffer = NULL;
g_autoptr (MetaDrmBuffer) cursor_buffer = NULL;
MetaKmsFeedback *feedback;
drmModePlane *drm_plane;
gboolean done = FALSE;
GError *error = NULL;
device = meta_get_test_kms_device (test_context);
if (META_IS_KMS_IMPL_DEVICE_SIMPLE (meta_kms_device_get_impl_device (device)))
{
g_test_skip ("Legacy KMS cursor API doesn't get reflected in DRM planes");
return;
}
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);
cursor_plane = meta_kms_device_get_cursor_plane_for (device, crtc);
device_pool = meta_backend_native_get_device_pool (backend_native);
device_file = meta_device_pool_open (device_pool,
meta_kms_device_get_path (device),
META_DEVICE_FILE_FLAG_TAKE_CONTROL,
&error);
if (!device_file)
g_error ("Failed to open KMS device: %s", error->message);
primary_buffer = meta_create_test_mode_dumb_buffer (device, mode);
g_assert_true (meta_kms_device_get_cursor_size (device,
&cursor_width,
&cursor_height));
cursor_buffer = meta_create_test_dumb_buffer (device,
cursor_width,
cursor_height);
/*
* Setup base state: cursor + primary active
*/
layout_array = g_array_new (FALSE, TRUE, sizeof (MetaKmsCrtcLayout));
layout = (MetaKmsCrtcLayout) {
.crtc = crtc,
.layout = {
.size = {
.width = meta_kms_mode_get_width (mode),
.height = meta_kms_mode_get_height (mode),
},
},
.scale = 1.0,
};
g_array_append_val (layout_array, layout);
meta_kms_cursor_manager_update_crtc_layout (cursor_manager, layout_array);
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_update_assign_plane (update,
crtc,
cursor_plane,
cursor_buffer,
META_FIXED_16_RECTANGLE_INIT_INT (0, 0,
cursor_width,
cursor_width),
META_RECTANGLE_INIT (10, 10,
cursor_width,
cursor_width),
META_KMS_ASSIGN_PLANE_FLAG_NONE);
feedback = meta_kms_device_process_update_sync (device, update,
META_KMS_UPDATE_FLAG_MODE_SET);
meta_kms_feedback_unref (feedback);
g_assert_true (meta_kms_crtc_is_active (crtc));
drm_plane = drmModeGetPlane (meta_device_file_get_fd (device_file),
meta_kms_plane_get_id (cursor_plane));
g_assert_nonnull (drm_plane);
g_assert_cmpuint (drm_plane->crtc_id, !=, 0);
g_assert_cmpuint (drm_plane->fb_id, !=, 0);
drmModeFreePlane (drm_plane);
/*
* Invalidate the cursor so the cursor manager will attempt to assign
* the cursor plane the next update.
*/
seat = meta_backend_get_default_seat (backend);
meta_kms_device_await_flush (device, crtc);
fake_position_changed (seat, cursor_manager);
meta_flush_input (test_context);
/*
* Disable the CRTC before the cursor update is processed.
*/
empty_array = g_array_new (FALSE, TRUE, sizeof (MetaKmsCrtcLayout));
meta_kms_cursor_manager_update_crtc_layout (cursor_manager, empty_array);
update = meta_kms_update_new (device);
meta_kms_update_mode_set (update, crtc, NULL, NULL);
meta_kms_update_add_result_listener (update,
&done_result_listener_vtable,
NULL,
&done,
NULL);
feedback = meta_kms_device_process_update_sync (device, update,
META_KMS_UPDATE_FLAG_MODE_SET);
meta_kms_feedback_unref (feedback);
while (!done)
g_main_context_iteration (NULL, TRUE);
drm_plane = drmModeGetPlane (meta_device_file_get_fd (device_file),
meta_kms_plane_get_id (cursor_plane));
g_assert_nonnull (drm_plane);
g_assert_cmpuint (drm_plane->crtc_id, ==, 0);
g_assert_cmpuint (drm_plane->fb_id, ==, 0);
drmModeFreePlane (drm_plane);
meta_device_file_release (device_file);
}
static void
init_tests (void)
{
@ -404,6 +604,8 @@ init_tests (void)
meta_test_kms_device_mode_set);
g_test_add_func ("/backends/native/kms/device/power-save",
meta_test_kms_device_power_save);
g_test_add_func ("/backends/native/kms/device/discard-disabled",
meta_test_kms_device_discard_disabled);
}
int