Merge tag 'drm-misc-next-2024-02-08' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v6.9:

UAPI Changes:

Cross-subsystem Changes:

dma-buf:
- clean up docs

media:
- tc358743: fix v4l device registration

video:
- move all kernel parameters for video behind CONFIG_VIDEO

sound:
- remove <drm/drm_edid.h> include from header

Core Changes:

ci:
- add tests for msm

managed:
- add drmm_release_action() with tests

ttm:
- fix errno codes
- simply busy-placement handling
- fix page decryption

docs:
- add new external references
- clean up

Driver Changes:

amdgpu:
- clean up

bridge:
- imx: add i.MX8MP HDMI PVI plus DT bindings, add i.MX8MP HDMI TX plus DT
  bindings
- samsung-dsim: add bsh-smm-s2/pro boards
- sii902x: fix probing and unregistration
- tc358767: limit pixel PLL input range
- switch to new drm_bridge_read_edid() interface
- clean up

imx:
- use devm_ functions during init
- clean up

lima:
- fix memory leak

loongson:
- fail if no VRAM present

meson:
- switch to new drm_bridge_read_edid() interface

nouveau:
- clean up

panel:
- add BOE TH101MB31IG002-28A plus DT bindings
- add EDT ETML1010G3DRA plus DT bindings
- add Novatek NT36672E LCD DSI plus DT bindings
- nt36523: support 120Hz timings, fix includes
- simple: fix display timings on RK32FN48H
- visionox-vtdr6130: fix initialization

panel-orientation-quirks:
- GPD Win Mini

vmwgfx:
- list command SVGA_3D_CMD_DEFINE_GB_SURFACE_V4 as invalid
- fix null-pointer deref in execbuf
- refactor display-mode probing
- fix fencing for creating cursor MOBs
- fix cursor-memory lifetime
- clean up

xlnx:
- fix live video input for ZynqMP DPSUB

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

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20240208164242.GA14321@linux.fritz.box

1 files changed, 39 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c
index bcd111404b12..7646f67bda4e 100644
--- a/drivers/gpu/drm/drm_managed.c
+++ b/drivers/gpu/drm/drm_managed.c
@@ -177,6 +177,45 @@ int __drmm_add_action_or_reset(struct drm_device *dev,
 EXPORT_SYMBOL(__drmm_add_action_or_reset);
 
 /**
+ * drmm_release_action - release a managed action from a &drm_device
+ * @dev: DRM device
+ * @action: function which would be called when @dev is released
+ * @data: opaque pointer, passed to @action
+ *
+ * This function calls the @action previously added by drmm_add_action()
+ * immediately.
+ * The @action is removed from the list of cleanup actions for @dev,
+ * which means that it won't be called in the final drm_dev_put().
+ */
+void drmm_release_action(struct drm_device *dev,
+			 drmres_release_t action,
+			 void *data)
+{
+	struct drmres *dr_match = NULL, *dr;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->managed.lock, flags);
+	list_for_each_entry_reverse(dr, &dev->managed.resources, node.entry) {
+		if (dr->node.release == action) {
+			if (!data || (data && *(void **)dr->data == data)) {
+				dr_match = dr;
+				del_dr(dev, dr_match);
+				break;
+			}
+		}
+	}
+	spin_unlock_irqrestore(&dev->managed.lock, flags);
+
+	if (WARN_ON(!dr_match))
+		return;
+
+	action(dev, data);
+
+	free_dr(dr_match);
+}
+EXPORT_SYMBOL(drmm_release_action);
+
+/**
  * drmm_kmalloc - &drm_device managed kmalloc()
  * @dev: DRM device
  * @size: size of the memory allocation