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| author | Jernej Skrabec <jernej.skrabec@siol.net> | 2018-06-25 14:03:01 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@bootlin.com> | 2018-06-27 21:44:04 +0200 |
| commit | 8b5f7a62464a24cb83d6290c01d6cf9c8871774a (patch) | |
| tree | b8f7e0ea283670000c19bfd5b9515b5a4f58126e | |
| parent | drm/sun4i: Add support for A64 HDMI PHY (diff) | |
| download | linux-8b5f7a62464a24cb83d6290c01d6cf9c8871774a.tar.xz linux-8b5f7a62464a24cb83d6290c01d6cf9c8871774a.zip | |
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
| -rw-r--r-- | drivers/gpu/drm/drm_of.c | 9 | ||||
| -rw-r--r-- | include/drm/drm_of.h | 8 |
2 files changed, 13 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c index 1fe122461298..3b8c7a6a5720 100644 --- a/drivers/gpu/drm/drm_of.c +++ b/drivers/gpu/drm/drm_of.c @@ -15,15 +15,15 @@ static void drm_release_of(struct device *dev, void *data) } /** - * drm_crtc_port_mask - find the mask of a registered CRTC by port OF node + * drm_of_crtc_port_mask - find the mask of a registered CRTC by port OF node * @dev: DRM device * @port: port OF node * * Given a port OF node, return the possible mask of the corresponding * CRTC within a device's list of CRTCs. Returns zero if not found. */ -static uint32_t drm_crtc_port_mask(struct drm_device *dev, - struct device_node *port) +uint32_t drm_of_crtc_port_mask(struct drm_device *dev, + struct device_node *port) { unsigned int index = 0; struct drm_crtc *tmp; @@ -37,6 +37,7 @@ static uint32_t drm_crtc_port_mask(struct drm_device *dev, return 0; } +EXPORT_SYMBOL(drm_of_crtc_port_mask); /** * drm_of_find_possible_crtcs - find the possible CRTCs for an encoder port @@ -62,7 +63,7 @@ uint32_t drm_of_find_possible_crtcs(struct drm_device *dev, return 0; } - possible_crtcs |= drm_crtc_port_mask(dev, remote_port); + possible_crtcs |= drm_of_crtc_port_mask(dev, remote_port); of_node_put(remote_port); } diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h index b93c239afb60..ead34ab5ca4e 100644 --- a/include/drm/drm_of.h +++ b/include/drm/drm_of.h @@ -17,6 +17,8 @@ struct drm_bridge; 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 @@ int drm_of_find_panel_or_bridge(const struct device_node *np, 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) { |