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authorThomas Zimmermann <tzimmermann@suse.de>2022-12-02 15:56:40 +0300
committerThomas Zimmermann <tzimmermann@suse.de>2022-12-05 15:36:16 +0300
commit63aa5ec6cf2f332ec4ef08a03f4f39895f82b2b9 (patch)
treeebea44041ec83f498b21efb6555c2b270e08a245 /include
parente06c123e1d7c0668d27f1d92d5f778c7a737ddf7 (diff)
downloadlinux-63aa5ec6cf2f332ec4ef08a03f4f39895f82b2b9.tar.xz
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.h16
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 */