If CONFIG_OF is disabled, of_get_drm_display_mode is not compiled in,
and drivers using it fail to build:
ld: drivers/gpu/drm/imx/parallel-display.o: in function `imx_pd_connector_get_modes':
parallel-display.c:(.text+0x8d): undefined reference to `of_get_drm_display_mode'
Add an inline stub so they can be build-tested with non-OF
configurations.
Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
include/drm/drm_modes.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index a0d79d1c51e2..29ba4adf0c53 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -461,9 +461,19 @@ void drm_display_mode_from_videomode(const struct videomode *vm,
void drm_display_mode_to_videomode(const struct drm_display_mode *dmode,
struct videomode *vm);
void drm_bus_flags_from_videomode(const struct videomode *vm, u32 *bus_flags);
+
+#if defined(CONFIG_OF)
int of_get_drm_display_mode(struct device_node *np,
struct drm_display_mode *dmode, u32 *bus_flags,
int index);
+#else
+static inline int of_get_drm_display_mode(struct device_node *np,
+ struct drm_display_mode *dmode,
+ u32 *bus_flags, int index)
+{
+ return -EINVAL;
+}
+#endif
void drm_mode_set_name(struct drm_display_mode *mode);
int drm_mode_vrefresh(const struct drm_display_mode *mode);
--
2.20.1
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