Merge tag 'drm-misc-next-2024-08-29' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

drm-misc-next for v6.12:

UAPI Changes:

devfs:
- support device numbers up to MINORBITS limit

Core Changes:

ci:
- increase job timeout

devfs:
- use XArray for minor ids

displayport:
- mst: GUID improvements

docs:
- add fixes and cleanups

panic:
- optionally display QR code

Driver Changes:

amdgpu:
- faster vblank disabling
- GUID improvements

gm12u320
- convert to struct drm_edid

host1x:
- fix syncpoint IRQ during resume
- use iommu_paging_domain_alloc()

imx:
- ipuv3: convert to struct drm_edid

omapdrm:
- improve error handling

panel:
- add support for BOE TV101WUM-LL2 plus DT bindings
- novatek-nt35950: improve error handling
- nv3051d: improve error handling
- panel-edp: add support for BOE NE140WUM-N6G; revert support for
  SDC ATNA45AF01
- visionox-vtdr6130: improve error handling; use
  devm_regulator_bulk_get_const()

renesas:
- rz-du: add support for RZ/G2UL plus DT bindings

sti:
- convert to struct drm_edid

tegra:
- gr3d: improve PM domain handling
- convert to struct drm_edid

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20240829144654.GA145538@linux.fritz.box

include/drm/display/drm_dp_mst_helper.h

@@ -244,18 +244,18 @@ struct drm_dp_mst_branch {
 	bool link_address_sent;
 
 	/* global unique identifier to identify branch devices */
-	u8 guid[16];
+	guid_t guid;
 };
 
 
 struct drm_dp_nak_reply {
-	u8 guid[16];
+	guid_t guid;
 	u8 reason;
 	u8 nak_data;
 };
 
 struct drm_dp_link_address_ack_reply {
-	u8 guid[16];
+	guid_t guid;
 	u8 nports;
 	struct drm_dp_link_addr_reply_port {
 		bool input_port;
@@ -265,7 +265,7 @@ struct drm_dp_link_address_ack_reply {
 		bool ddps;
 		bool legacy_device_plug_status;
 		u8 dpcd_revision;
-		u8 peer_guid[16];
+		guid_t peer_guid;
 		u8 num_sdp_streams;
 		u8 num_sdp_stream_sinks;
 	} ports[16];
@@ -348,7 +348,7 @@ struct drm_dp_allocate_payload_ack_reply {
 };
 
 struct drm_dp_connection_status_notify {
-	u8 guid[16];
+	guid_t guid;
 	u8 port_number;
 	bool legacy_device_plug_status;
 	bool displayport_device_plug_status;
@@ -425,7 +425,7 @@ struct drm_dp_query_payload {
 
 struct drm_dp_resource_status_notify {
 	u8 port_number;
-	u8 guid[16];
+	guid_t guid;
 	u16 available_pbn;
 };
 

include/drm/drm_accel.h

@@ -51,11 +51,10 @@
 
 #if IS_ENABLED(CONFIG_DRM_ACCEL)
 
+extern struct xarray accel_minors_xa;
+
 void accel_core_exit(void);
 int accel_core_init(void);
-void accel_minor_remove(int index);
-int accel_minor_alloc(void);
-void accel_minor_replace(struct drm_minor *minor, int index);
 void accel_set_device_instance_params(struct device *kdev, int index);
 int accel_open(struct inode *inode, struct file *filp);
 void accel_debugfs_init(struct drm_device *dev);
@@ -73,19 +72,6 @@ static inline int __init accel_core_init(void)
 	return 0;
 }
 
-static inline void accel_minor_remove(int index)
-{
-}
-
-static inline int accel_minor_alloc(void)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline void accel_minor_replace(struct drm_minor *minor, int index)
-{
-}
-
 static inline void accel_set_device_instance_params(struct device *kdev, int index)
 {
 }

include/drm/drm_atomic.h

@@ -460,7 +460,7 @@ struct drm_atomic_state {
 	 *
 	 * Used for signaling unbound planes/connectors.
 	 * When a connector or plane is not bound to any CRTC, it's still important
-	 * to preserve linearity to prevent the atomic states from being freed to early.
+	 * to preserve linearity to prevent the atomic states from being freed too early.
 	 *
 	 * This commit (if set) is not bound to any CRTC, but will be completed when
 	 * drm_atomic_helper_commit_hw_done() is called.

include/drm/drm_file.h

@@ -45,6 +45,8 @@ struct drm_printer;
 struct device;
 struct file;
 
+extern struct xarray drm_minors_xa;
+
 /*
  * FIXME: Not sure we want to have drm_minor here in the end, but to avoid
  * header include loops we need it here for now.
@@ -434,6 +436,9 @@ static inline bool drm_is_accel_client(const struct drm_file *file_priv)
 
 void drm_file_update_pid(struct drm_file *);
 
+struct drm_minor *drm_minor_acquire(struct xarray *minors_xa, unsigned int minor_id);
+void drm_minor_release(struct drm_minor *minor);
+
 int drm_open(struct inode *inode, struct file *filp);
 int drm_open_helper(struct file *filp, struct drm_minor *minor);
 ssize_t drm_read(struct file *filp, char __user *buffer,

include/drm/drm_rect.h

@@ -238,6 +238,21 @@ static inline void drm_rect_fp_to_int(struct drm_rect *dst,
 		      drm_rect_height(src) >> 16);
 }
 
+/**
+ * drm_rect_overlap - Check if two rectangles overlap
+ * @a: first rectangle
+ * @b: second rectangle
+ *
+ * RETURNS:
+ * %true if the rectangles overlap, %false otherwise.
+ */
+static inline bool drm_rect_overlap(const struct drm_rect *a,
+				    const struct drm_rect *b)
+{
+	return (a->x2 > b->x1 && b->x2 > a->x1 &&
+		a->y2 > b->y1 && b->y2 > a->y1);
+}
+
 bool drm_rect_intersect(struct drm_rect *r, const struct drm_rect *clip);
 bool drm_rect_clip_scaled(struct drm_rect *src, struct drm_rect *dst,
 			  const struct drm_rect *clip);

include/drm/ttm/ttm_bo.h

@@ -222,7 +222,7 @@ struct ttm_lru_walk {
 	struct ttm_operation_ctx *ctx;
 	/** @ticket: The struct ww_acquire_ctx if any. */
 	struct ww_acquire_ctx *ticket;
-	/** @tryock_only: Only use trylock for locking. */
+	/** @trylock_only: Only use trylock for locking. */
 	bool trylock_only;
 };