1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright 2015 Freescale Semiconductor, Inc. 4 * 5 * Freescale DCU drm device driver 6 */ 7 8 #include <drm/drm_atomic_helper.h> 9 #include <drm/drm_gem_framebuffer_helper.h> 10 #include <drm/drm_probe_helper.h> 11 12 #include "fsl_dcu_drm_crtc.h" 13 #include "fsl_dcu_drm_drv.h" 14 15 static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = { 16 .atomic_check = drm_atomic_helper_check, 17 .atomic_commit = drm_atomic_helper_commit, 18 .fb_create = drm_gem_fb_create, 19 }; 20 21 int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev) 22 { 23 int ret; 24 25 drm_mode_config_init(fsl_dev->drm); 26 27 fsl_dev->drm->mode_config.min_width = 0; 28 fsl_dev->drm->mode_config.min_height = 0; 29 fsl_dev->drm->mode_config.max_width = 2031; 30 fsl_dev->drm->mode_config.max_height = 2047; 31 fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs; 32 33 ret = fsl_dcu_drm_crtc_create(fsl_dev); 34 if (ret) 35 goto err; 36 37 ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc); 38 if (ret) 39 goto err; 40 41 ret = fsl_dcu_create_outputs(fsl_dev); 42 if (ret) 43 goto err; 44 45 drm_mode_config_reset(fsl_dev->drm); 46 drm_kms_helper_poll_init(fsl_dev->drm); 47 48 return 0; 49 50 err: 51 drm_mode_config_cleanup(fsl_dev->drm); 52 return ret; 53 } 54