/* * Copyright 2015 Freescale Semiconductor, Inc. * * Freescale DCU drm device driver * * 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. */ #include #include #include #include #include #include #include "fsl_dcu_drm_crtc.h" #include "fsl_dcu_drm_drv.h" void fsl_dcu_cleanup_atomic_state(struct drm_device *dev, struct drm_atomic_state *state) { drm_atomic_helper_cleanup_planes(dev, state); drm_atomic_state_free(state); } static int fsl_dcu_drm_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, bool async) { struct fsl_dcu_drm_device *fsl_dev = dev->dev_private; int ret; ret = drm_atomic_helper_prepare_planes(dev, state); if (ret < 0) return ret; /* * This is the point of no return - everything below never fails except * when the hw goes bonghits. Which means we can commit the new state on * the software side now. */ drm_atomic_helper_swap_state(dev, state); drm_atomic_helper_commit_modeset_disables(dev, state); drm_atomic_helper_commit_planes(dev, state, false); drm_atomic_helper_commit_modeset_enables(dev, state); if (async) { fsl_dev->cleanup_state = state; } else { drm_atomic_helper_wait_for_vblanks(dev, state); fsl_dcu_cleanup_atomic_state(dev, state); } return 0; } static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = { .atomic_check = drm_atomic_helper_check, .atomic_commit = fsl_dcu_drm_atomic_commit, .fb_create = drm_fb_cma_create, }; int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev) { int ret; drm_mode_config_init(fsl_dev->drm); fsl_dev->drm->mode_config.min_width = 0; fsl_dev->drm->mode_config.min_height = 0; fsl_dev->drm->mode_config.max_width = 2031; fsl_dev->drm->mode_config.max_height = 2047; fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs; ret = fsl_dcu_drm_crtc_create(fsl_dev); if (ret) return ret; ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc.base); if (ret) goto fail_encoder; ret = fsl_dcu_drm_connector_create(fsl_dev, &fsl_dev->encoder); if (ret) goto fail_connector; drm_mode_config_reset(fsl_dev->drm); drm_kms_helper_poll_init(fsl_dev->drm); return 0; fail_encoder: fsl_dev->crtc.base.funcs->destroy(&fsl_dev->crtc.base); fail_connector: fsl_dev->encoder.funcs->destroy(&fsl_dev->encoder); return ret; }