drm: of: Export and rename drm_crtc_port_mask()
Function is useful when drm_of_find_possible_crtcs() can't be used and
custom parsing is needed. This can happen for example when there is a
node with multiple muxes between crtc and encoder.
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
[maxime: change the function to have a consistent prefix]
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180625120304.7543-22-jernej.skrabec@siol.net
diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h
index b93c239..ead34ab 100644
--- a/include/drm/drm_of.h
+++ b/include/drm/drm_of.h
@@ -17,6 +17,8 @@
struct device_node;
#ifdef CONFIG_OF
+uint32_t drm_of_crtc_port_mask(struct drm_device *dev,
+ struct device_node *port);
uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
struct device_node *port);
void drm_of_component_match_add(struct device *master,
@@ -34,6 +36,12 @@
struct drm_panel **panel,
struct drm_bridge **bridge);
#else
+static inline uint32_t drm_of_crtc_port_mask(struct drm_device *dev,
+ struct device_node *port)
+{
+ return 0;
+}
+
static inline uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
struct device_node *port)
{