[PATCH] drm: of: fix documentation reference

[Raphael Gallais-Pou <rgallaispou@gmail.com>]

Documentation/devicetree/bindings/graph.txt content has move directly to
the dt-schema repo.

Point to the YAML of the official repo instead of the old file.

Signed-off-by: Raphael Gallais-Pou <rgallaispou@gmail.com>
---
 drivers/gpu/drm/drm_of.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c
index 5530919e0ba0..964a746e90aa 100644
--- a/drivers/gpu/drm/drm_of.c
+++ b/drivers/gpu/drm/drm_of.c
@@ -55,7 +55,8 @@ EXPORT_SYMBOL(drm_of_crtc_port_mask);
  * and generate the DRM mask of CRTCs which may be attached to this
  * encoder.
  *
- * See Documentation/devicetree/bindings/graph.txt for the bindings.
+ * See https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/graph.yaml
+ * for the bindings.
  */
 uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
 				    struct device_node *port)
@@ -106,7 +107,9 @@ EXPORT_SYMBOL_GPL(drm_of_component_match_add);
  * Parse the platform device OF node and bind all the components associated
  * with the master. Interface ports are added before the encoders in order to
  * satisfy their .bind requirements
- * See Documentation/devicetree/bindings/graph.txt for the bindings.
+ *
+ * See https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/graph.yaml
+ * for the bindings.
  *
  * Returns zero if successful, or one of the standard error codes if it fails.
  */
-- 
2.49.0