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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-01-14 14:45:32 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-01-17 13:25:44 +0300 |
| commit | 3681eb24a9f14e001d05f8d15d2e07a96abef8b3 (patch) | |
| tree | f69dbbe932d19514e9f8319af604a8b58d1f55a1 /drivers/gpu/drm/drm_dp_helper_internal.h | |
| parent | dfacce59553b2a65f4357ba6019827eb4b9a0eed (diff) | |
| download | linux-3681eb24a9f14e001d05f8d15d2e07a96abef8b3.tar.xz | |
drm/dp: Move DP declarations into separate header file
Split the DP declarations from other helpers before moving the
DP functions into a separate module.
v2:
* forward-declare struct drm_dp_aux (Jani)
* add include guards in drm_dp_helper_internal.h
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220114114535.29157-3-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/drm_dp_helper_internal.h')
| -rw-r--r-- | drivers/gpu/drm/drm_dp_helper_internal.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_dp_helper_internal.h b/drivers/gpu/drm/drm_dp_helper_internal.h new file mode 100644 index 000000000000..8917fc3af9ec --- /dev/null +++ b/drivers/gpu/drm/drm_dp_helper_internal.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: MIT */ + +#ifndef DRM_DP_HELPER_INTERNAL_H +#define DRM_DP_HELPER_INTERNAL_H + +struct drm_dp_aux; + +#ifdef CONFIG_DRM_DP_AUX_CHARDEV +int drm_dp_aux_dev_init(void); +void drm_dp_aux_dev_exit(void); +int drm_dp_aux_register_devnode(struct drm_dp_aux *aux); +void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux); +#else +static inline int drm_dp_aux_dev_init(void) +{ + return 0; +} + +static inline void drm_dp_aux_dev_exit(void) +{ +} + +static inline int drm_dp_aux_register_devnode(struct drm_dp_aux *aux) +{ + return 0; +} + +static inline void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux) +{ +} +#endif + +#endif |