fsl_dcu_drm_kms.c 1.2 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354
  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. #include <drm/drm_atomic_helper.h>
  8. #include <drm/drm_fb_cma_helper.h>
  9. #include <drm/drm_gem_framebuffer_helper.h>
  10. #include <drm/drm_probe_helper.h>
  11. #include "fsl_dcu_drm_crtc.h"
  12. #include "fsl_dcu_drm_drv.h"
  13. static const struct drm_mode_config_funcs fsl_dcu_drm_mode_config_funcs = {
  14. .atomic_check = drm_atomic_helper_check,
  15. .atomic_commit = drm_atomic_helper_commit,
  16. .fb_create = drm_gem_fb_create,
  17. };
  18. int fsl_dcu_drm_modeset_init(struct fsl_dcu_drm_device *fsl_dev)
  19. {
  20. int ret;
  21. drm_mode_config_init(fsl_dev->drm);
  22. fsl_dev->drm->mode_config.min_width = 0;
  23. fsl_dev->drm->mode_config.min_height = 0;
  24. fsl_dev->drm->mode_config.max_width = 2031;
  25. fsl_dev->drm->mode_config.max_height = 2047;
  26. fsl_dev->drm->mode_config.funcs = &fsl_dcu_drm_mode_config_funcs;
  27. ret = fsl_dcu_drm_crtc_create(fsl_dev);
  28. if (ret)
  29. goto err;
  30. ret = fsl_dcu_drm_encoder_create(fsl_dev, &fsl_dev->crtc);
  31. if (ret)
  32. goto err;
  33. ret = fsl_dcu_create_outputs(fsl_dev);
  34. if (ret)
  35. goto err;
  36. drm_mode_config_reset(fsl_dev->drm);
  37. drm_kms_helper_poll_init(fsl_dev->drm);
  38. return 0;
  39. err:
  40. drm_mode_config_cleanup(fsl_dev->drm);
  41. return ret;
  42. }