drm: Export drm_plane_has_format()

Export drm_plane_has_format() so that drivers can use it.

v2: add kerneldoc

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240619113144.1616-1-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Daniel Stone <daniels@collabora.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>

diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h
index 898e0e8b51be854cb2168e884aa062f0e9547269..e207759ca0455db3210156463d3bb4511d3e29d3 100644 (file)
--- a/drivers/gpu/drm/drm_crtc_internal.h
+++ b/drivers/gpu/drm/drm_crtc_internal.h
@@ -272,8 +272,6 @@ int drm_mode_atomic_ioctl(struct drm_device *dev,
 /* drm_plane.c */
 int drm_plane_register_all(struct drm_device *dev);
 void drm_plane_unregister_all(struct drm_device *dev);
-bool drm_plane_has_format(struct drm_plane *plane,
-                         u32 format, u64 modifier);
 struct drm_mode_rect *
 __drm_plane_get_damage_clips(const struct drm_plane_state *state);
 

diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index 268aa2299df55e9094250aa39a67cee671fe7669..a28b22fdd7a41aca82d097d42237851da9a0a79b 100644 (file)
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -877,6 +877,15 @@ int drm_mode_getplane(struct drm_device *dev, void *data,
        return 0;
 }
 
+/**
+ * drm_plane_has_format - Check whether the plane supports this format and modifier combination
+ * @plane: drm plane
+ * @format: pixel format (DRM_FORMAT_*)
+ * @modifier: data layout modifier
+ *
+ * Returns:
+ * Whether the plane supports the specified format and modifier combination.
+ */
 bool drm_plane_has_format(struct drm_plane *plane,
                          u32 format, u64 modifier)
 {
@@ -906,6 +915,7 @@ bool drm_plane_has_format(struct drm_plane *plane,
 
        return true;
 }
+EXPORT_SYMBOL(drm_plane_has_format);
 
 static int __setplane_check(struct drm_plane *plane,
                            struct drm_crtc *crtc,

diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index 9507542121fa1e1beee1b338c12d706dfabf6949..dd718c62ac31bf16606f3ee9f025a5b171cd1e67 100644 (file)
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -972,6 +972,8 @@ static inline struct drm_plane *drm_plane_find(struct drm_device *dev,
 #define drm_for_each_plane(plane, dev) \
        list_for_each_entry(plane, &(dev)->mode_config.plane_list, head)
 
+bool drm_plane_has_format(struct drm_plane *plane,
+                         u32 format, u64 modifier);
 bool drm_any_plane_has_format(struct drm_device *dev,
                              u32 format, u64 modifier);