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 #include <drm/drm_gem_framebuffer_helper.h> 17 18 #include "fsl_dcu_drm_crtc.h" 19 #include "fsl_dcu_drm_drv.h" 20 21 static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = { 22 .atomic_check = drm_atomic_helper_check, 23 .atomic_commit = drm_atomic_helper_commit, 24 .fb_create = drm_gem_fb_create, 25 }; 26 27 int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev) 28 { 29 int ret; 30 31 drm_mode_config_init(fsl_dev->drm); 32 33 fsl_dev->drm->mode_config.min_width = 0; 34 fsl_dev->drm->mode_config.min_height = 0; 35 fsl_dev->drm->mode_config.max_width = 2031; 36 fsl_dev->drm->mode_config.max_height = 2047; 37 fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs; 38 39 ret = fsl_dcu_drm_crtc_create(fsl_dev); 40 if (ret) 41 goto err; 42 43 ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc); 44 if (ret) 45 goto err; 46 47 ret = fsl_dcu_create_outputs(fsl_dev); 48 if (ret) 49 goto err; 50 51 drm_mode_config_reset(fsl_dev->drm); 52 drm_kms_helper_poll_init(fsl_dev->drm); 53 54 return 0; 55 56 err: 57 drm_mode_config_cleanup(fsl_dev->drm); 58 return ret; 59 } 60