Merge drm/drm-next into drm-misc-next

Backmerging to get v6.9-rc2 changes into drm-misc-next.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

5 files changed, 28 insertions, 13 deletions

diff --git a/include/drm/bridge/aux-bridge.h b/include/drm/bridge/aux-bridge.h
index c4c423e97f06..4453906105ca 100644
--- a/include/drm/bridge/aux-bridge.h
+++ b/include/drm/bridge/aux-bridge.h
@@ -9,6 +9,8 @@
 
 #include <drm/drm_connector.h>
 
+struct auxiliary_device;
+
 #if IS_ENABLED(CONFIG_DRM_AUX_BRIDGE)
 int drm_aux_bridge_register(struct device *parent);
 #else
@@ -19,10 +21,23 @@ static inline int drm_aux_bridge_register(struct device *parent)
 #endif
 
 #if IS_ENABLED(CONFIG_DRM_AUX_HPD_BRIDGE)
+struct auxiliary_device *devm_drm_dp_hpd_bridge_alloc(struct device *parent, struct device_node *np);
+int devm_drm_dp_hpd_bridge_add(struct device *dev, struct auxiliary_device *adev);
 struct device *drm_dp_hpd_bridge_register(struct device *parent,
 					  struct device_node *np);
 void drm_aux_hpd_bridge_notify(struct device *dev, enum drm_connector_status status);
 #else
+static inline struct auxiliary_device *devm_drm_dp_hpd_bridge_alloc(struct device *parent,
+								    struct device_node *np)
+{
+	return NULL;
+}
+
+static inline int devm_drm_dp_hpd_bridge_add(struct auxiliary_device *adev)
+{
+	return 0;
+}
+
 static inline struct device *drm_dp_hpd_bridge_register(struct device *parent,
 							struct device_node *np)
 {
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index 3606e1a7f965..4baca0d9107b 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -541,7 +541,7 @@ struct drm_bridge_funcs {
 	 * The @get_modes callback is mostly intended to support non-probeable
 	 * displays such as many fixed panels. Bridges that support reading
 	 * EDID shall leave @get_modes unimplemented and implement the
-	 * &drm_bridge_funcs->get_edid callback instead.
+	 * &drm_bridge_funcs->edid_read callback instead.
 	 *
 	 * This callback is optional. Bridges that implement it shall set the
 	 * DRM_BRIDGE_OP_MODES flag in their &drm_bridge->ops.
@@ -687,7 +687,7 @@ enum drm_bridge_ops {
 	/**
 	 * @DRM_BRIDGE_OP_EDID: The bridge can retrieve the EDID of the display
 	 * connected to its output. Bridges that set this flag shall implement
-	 * the &drm_bridge_funcs->get_edid callback.
+	 * the &drm_bridge_funcs->edid_read callback.
 	 */
 	DRM_BRIDGE_OP_EDID = BIT(1),
 	/**
diff --git a/include/drm/drm_fixed.h b/include/drm/drm_fixed.h
index 0c9f917a4d4b..81572d32db0c 100644
--- a/include/drm/drm_fixed.h
+++ b/include/drm/drm_fixed.h
@@ -71,7 +71,6 @@ static inline u32 dfixed_div(fixed20_12 A, fixed20_12 B)
 }
 
 #define DRM_FIXED_POINT		32
-#define DRM_FIXED_POINT_HALF	16
 #define DRM_FIXED_ONE		(1ULL << DRM_FIXED_POINT)
 #define DRM_FIXED_DECIMAL_MASK	(DRM_FIXED_ONE - 1)
 #define DRM_FIXED_DIGITS_MASK	(~DRM_FIXED_DECIMAL_MASK)
@@ -90,7 +89,7 @@ static inline int drm_fixp2int(s64 a)
 
 static inline int drm_fixp2int_round(s64 a)
 {
-	return drm_fixp2int(a + (1 << (DRM_FIXED_POINT_HALF - 1)));
+	return drm_fixp2int(a + DRM_FIXED_ONE / 2);
 }
 
 static inline int drm_fixp2int_ceil(s64 a)
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index c89c9bafeb44..9a73f786f4ad 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -33,8 +33,8 @@ struct vm_area_struct;
  * struct drm_gem_vram_object - GEM object backed by VRAM
  * @bo:		TTM buffer object
  * @map:	Mapping information for @bo
- * @placement:	TTM placement information. Supported placements are \
-	%TTM_PL_VRAM and %TTM_PL_SYSTEM
+ * @placement:	TTM placement information. Supported placements are %TTM_PL_VRAM
+ *		and %TTM_PL_SYSTEM
  * @placements:	TTM placement information.
  *
  * The type struct drm_gem_vram_object represents a GEM object that is
@@ -126,8 +126,8 @@ drm_gem_vram_plane_helper_cleanup_fb(struct drm_plane *plane,
 				     struct drm_plane_state *old_state);
 
 /**
- * DRM_GEM_VRAM_PLANE_HELPER_FUNCS -
- *	Initializes struct drm_plane_helper_funcs for VRAM handling
+ * DRM_GEM_VRAM_PLANE_HELPER_FUNCS - Initializes struct drm_plane_helper_funcs
+ *				     for VRAM handling
  *
  * Drivers may use GEM BOs as VRAM helpers for the framebuffer memory. This
  * macro initializes struct drm_plane_helper_funcs to use the respective helper
@@ -150,8 +150,8 @@ void drm_gem_vram_simple_display_pipe_cleanup_fb(
 	struct drm_plane_state *old_state);
 
 /**
- * define DRM_GEM_VRAM_DRIVER - default callback functions for \
-	&struct drm_driver
+ * define DRM_GEM_VRAM_DRIVER - default callback functions for
+ *				&struct drm_driver
  *
  * Drivers that use VRAM MM and GEM VRAM can use this macro to initialize
  * &struct drm_driver with default functions.
@@ -184,8 +184,8 @@ struct drm_vram_mm {
 };
 
 /**
- * drm_vram_mm_of_bdev() - \
-	Returns the container of type &struct ttm_device for field bdev.
+ * drm_vram_mm_of_bdev() - Returns the container of type &struct ttm_device for
+ *			   field bdev.
  * @bdev:	the TTM BO device
  *
  * Returns:
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index 881b03e4dc28..9ed42469540e 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -898,7 +898,8 @@ struct drm_connector_helper_funcs {
 	 *
 	 * RETURNS:
 	 *
-	 * The number of modes added by calling drm_mode_probed_add().
+	 * The number of modes added by calling drm_mode_probed_add(). Return 0
+	 * on failures (no modes) instead of negative error codes.
 	 */
 	int (*get_modes)(struct drm_connector *connector);