dp_mst_drm.h 1.4 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
  4. */
  5. #ifndef _DP_MST_DRM_H_
  6. #define _DP_MST_DRM_H_
  7. #include <linux/types.h>
  8. #include <drm/drm_crtc.h>
  9. #include <drm/drm_bridge.h>
  10. #include "dp_display.h"
  11. #if IS_ENABLED(CONFIG_DRM_MSM_DP_MST)
  12. /**
  13. * dp_mst_drm_bridge_init - initialize mst bridge
  14. * @display: Pointer to private display structure
  15. * @encoder: Pointer to encoder for mst bridge mapping
  16. */
  17. int dp_mst_drm_bridge_init(void *display,
  18. struct drm_encoder *encoder);
  19. /**
  20. * dp_mst_drm_bridge_deinit - de-initialize mst bridges
  21. * @display: Pointer to private display structure
  22. */
  23. void dp_mst_drm_bridge_deinit(void *display);
  24. /**
  25. * dp_mst_init - initialize mst objects for the given display
  26. * @display: Pointer to private display structure
  27. */
  28. int dp_mst_init(struct dp_display *dp_display);
  29. /**
  30. * dp_mst_deinit - de-initialize mst objects for the given display
  31. * @display: Pointer to private display structure
  32. */
  33. void dp_mst_deinit(struct dp_display *dp_display);
  34. #else
  35. static inline int dp_mst_drm_bridge_init(void *display,
  36. struct drm_encoder *encoder)
  37. {
  38. return 0;
  39. }
  40. static inline void dp_mst_drm_bridge_deinit(void *display)
  41. {
  42. }
  43. static inline int dp_mst_init(struct dp_display *dp_display)
  44. {
  45. return 0;
  46. }
  47. static inline int dp_mst_deinit(struct dp_display *dp_display)
  48. {
  49. return 0;
  50. }
  51. #endif /* CONFIG_DRM_MSM_DP_MST */
  52. #endif /* _DP_MST_DRM_H_ */