1 /* 2 * Copyright 2015 Freescale Semiconductor, Inc. 3 * 4 * Freescale DCU drm device driver 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 */ 11 12 #include <drm/drmP.h> 13 #include <drm/drm_atomic_helper.h> 14 #include <drm/drm_crtc_helper.h> 15 #include <drm/drm_fb_cma_helper.h> 16 17 #include "fsl_dcu_drm_crtc.h" 18 #include "fsl_dcu_drm_drv.h" 19 20 static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = { 21 .atomic_check = drm_atomic_helper_check, 22 .atomic_commit = drm_atomic_helper_commit, 23 .fb_create = drm_fb_cma_create, 24 }; 25 fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device * fsl_dev)26int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev) 27 { 28 int ret; 29 30 drm_mode_config_init(fsl_dev->drm); 31 32 fsl_dev->drm->mode_config.min_width = 0; 33 fsl_dev->drm->mode_config.min_height = 0; 34 fsl_dev->drm->mode_config.max_width = 2031; 35 fsl_dev->drm->mode_config.max_height = 2047; 36 fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs; 37 38 ret = fsl_dcu_drm_crtc_create(fsl_dev); 39 if (ret) 40 goto err; 41 42 ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc); 43 if (ret) 44 goto err; 45 46 ret = fsl_dcu_create_outputs(fsl_dev); 47 if (ret) 48 goto err; 49 50 drm_mode_config_reset(fsl_dev->drm); 51 drm_kms_helper_poll_init(fsl_dev->drm); 52 53 return 0; 54 55 err: 56 drm_mode_config_cleanup(fsl_dev->drm); 57 return ret; 58 } 59