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author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-12-02 13:56:40 +0100 |
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committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-12-05 13:36:16 +0100 |
commit | 63aa5ec6cf2f332ec4ef08a03f4f39895f82b2b9 (patch) | |
tree | ebea44041ec83f498b21efb6555c2b270e08a245 /include | |
parent | e06c123e1d7c0668d27f1d92d5f778c7a737ddf7 (diff) | |
download | linux-stable-63aa5ec6cf2f332ec4ef08a03f4f39895f82b2b9.tar.gz linux-stable-63aa5ec6cf2f332ec4ef08a03f4f39895f82b2b9.tar.bz2 linux-stable-63aa5ec6cf2f332ec4ef08a03f4f39895f82b2b9.zip |
drm/mipi-dbi: Initialize default driver functions with macro
Introduce DRM_MIPI_DBI_SIMPLE_DISPLAY_PIPE_FUNCS to initialize MIPI-DBI
helpers to default values and convert drivers. The prepare_fb function
set by some drivers is called implicitly by simple-kms helpers, so leave
it out.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Tested-by: Javier Martinez Canillas <javierm@redhat.com>
Tested-by: Noralf Trønnes <noralf@tronnes.org> # drm/tiny/mi0283qt
Link: https://patchwork.freedesktop.org/patch/msgid/20221202125644.7917-5-tzimmermann@suse.de
Diffstat (limited to 'include')
-rw-r--r-- | include/drm/drm_mipi_dbi.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h index 14eaecb1825c..8c4ea7956d61 100644 --- a/include/drm/drm_mipi_dbi.h +++ b/include/drm/drm_mipi_dbi.h @@ -207,4 +207,20 @@ void mipi_dbi_debugfs_init(struct drm_minor *minor); static inline void mipi_dbi_debugfs_init(struct drm_minor *minor) {} #endif +/** + * DRM_MIPI_DBI_SIMPLE_DISPLAY_PIPE_FUNCS - Initializes struct drm_simple_display_pipe_funcs + * for MIPI-DBI devices + * @enable_: Enable-callback implementation + * + * This macro initializes struct drm_simple_display_pipe_funcs with default + * values for MIPI-DBI-based devices. The only callback that depends on the + * hardware is @enable, for which the driver has to provide an implementation. + * MIPI-based drivers are encouraged to use this macro for initialization. + */ +#define DRM_MIPI_DBI_SIMPLE_DISPLAY_PIPE_FUNCS(enable_) \ + .mode_valid = mipi_dbi_pipe_mode_valid, \ + .enable = (enable_), \ + .disable = mipi_dbi_pipe_disable, \ + .update = mipi_dbi_pipe_update + #endif /* __LINUX_MIPI_DBI_H */ |