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1// SPDX-License-Identifier: GPL-2.02 3#include <drm/drm_atomic_state_helper.h>4#include <drm/drm_atomic_uapi.h>5#include <drm/drm_connector.h>6#include <drm/drm_crtc.h>7#include <drm/drm_encoder.h>8#include <drm/drm_modeset_helper_vtables.h>9 10#include <kunit/test.h>11 12#include "vc4_mock.h"13 14static const struct drm_connector_helper_funcs vc4_dummy_connector_helper_funcs = {15};16 17static const struct drm_connector_funcs vc4_dummy_connector_funcs = {18	.atomic_destroy_state	= drm_atomic_helper_connector_destroy_state,19	.atomic_duplicate_state	= drm_atomic_helper_connector_duplicate_state,20	.reset			= drm_atomic_helper_connector_reset,21};22 23struct vc4_dummy_output *vc4_dummy_output(struct kunit *test,24					  struct drm_device *drm,25					  struct drm_crtc *crtc,26					  enum vc4_encoder_type vc4_encoder_type,27					  unsigned int kms_encoder_type,28					  unsigned int connector_type)29{30	struct vc4_dummy_output *dummy_output;31	struct drm_connector *conn;32	struct drm_encoder *enc;33	int ret;34 35	dummy_output = drmm_kzalloc(drm, sizeof(*dummy_output), GFP_KERNEL);36	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dummy_output);37	dummy_output->encoder.type = vc4_encoder_type;38 39	enc = &dummy_output->encoder.base;40	ret = drmm_encoder_init(drm, enc,41				NULL,42				kms_encoder_type,43				NULL);44	KUNIT_ASSERT_EQ(test, ret, 0);45	enc->possible_crtcs = drm_crtc_mask(crtc);46 47	conn = &dummy_output->connector;48	ret = drmm_connector_init(drm, conn,49				  &vc4_dummy_connector_funcs,50				  connector_type,51				  NULL);52	KUNIT_ASSERT_EQ(test, ret, 0);53 54	drm_connector_helper_add(conn, &vc4_dummy_connector_helper_funcs);55	drm_connector_attach_encoder(conn, enc);56 57	return dummy_output;58}59 60static const struct drm_display_mode default_mode = {61	DRM_SIMPLE_MODE(640, 480, 64, 48)62};63 64int vc4_mock_atomic_add_output(struct kunit *test,65			       struct drm_atomic_state *state,66			       enum vc4_encoder_type type)67{68	struct drm_device *drm = state->dev;69	struct drm_connector_state *conn_state;70	struct drm_crtc_state *crtc_state;71	struct vc4_dummy_output *output;72	struct drm_connector *conn;73	struct drm_encoder *encoder;74	struct drm_crtc *crtc;75	int ret;76 77	encoder = vc4_find_encoder_by_type(drm, type);78	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, encoder);79 80	crtc = vc4_find_crtc_for_encoder(test, drm, encoder);81	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc);82 83	output = encoder_to_vc4_dummy_output(encoder);84	conn = &output->connector;85	conn_state = drm_atomic_get_connector_state(state, conn);86	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);87 88	ret = drm_atomic_set_crtc_for_connector(conn_state, crtc);89	KUNIT_EXPECT_EQ(test, ret, 0);90 91	crtc_state = drm_atomic_get_crtc_state(state, crtc);92	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc_state);93 94	ret = drm_atomic_set_mode_for_crtc(crtc_state, &default_mode);95	KUNIT_EXPECT_EQ(test, ret, 0);96 97	crtc_state->active = true;98 99	return 0;100}101 102int vc4_mock_atomic_del_output(struct kunit *test,103			       struct drm_atomic_state *state,104			       enum vc4_encoder_type type)105{106	struct drm_device *drm = state->dev;107	struct drm_connector_state *conn_state;108	struct drm_crtc_state *crtc_state;109	struct vc4_dummy_output *output;110	struct drm_connector *conn;111	struct drm_encoder *encoder;112	struct drm_crtc *crtc;113	int ret;114 115	encoder = vc4_find_encoder_by_type(drm, type);116	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, encoder);117 118	crtc = vc4_find_crtc_for_encoder(test, drm, encoder);119	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc);120 121	crtc_state = drm_atomic_get_crtc_state(state, crtc);122	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc_state);123 124	crtc_state->active = false;125 126	ret = drm_atomic_set_mode_for_crtc(crtc_state, NULL);127	KUNIT_ASSERT_EQ(test, ret, 0);128 129	output = encoder_to_vc4_dummy_output(encoder);130	conn = &output->connector;131	conn_state = drm_atomic_get_connector_state(state, conn);132	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);133 134	ret = drm_atomic_set_crtc_for_connector(conn_state, NULL);135	KUNIT_ASSERT_EQ(test, ret, 0);136 137	return 0;138}139