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authorDave Airlie <[email protected]>2025-03-06 23:55:33 +0000
committerDave Airlie <[email protected]>2025-03-06 23:55:50 +0000
commitd65a27f95f6ab236b1a788d9bc463d24a8b2aebe (patch)
tree45da6a037ca99ebec667e3057f3d973526510bc3 /drivers/base/component.c
parentMerge tag 'drm-misc-next-2025-02-27' of https://gitlab.freedesktop.org/drm/mi... (diff)
parentdrm/gma500: fix inconsistent indenting warning (diff)
downloadkernel-d65a27f95f6ab236b1a788d9bc463d24a8b2aebe.tar.gz
kernel-d65a27f95f6ab236b1a788d9bc463d24a8b2aebe.zip
Merge tag 'drm-misc-next-2025-03-06' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next for v6.15: Cross-subsystem Changes: base: - component: Provide helper to query bound status fbdev: - fbtft: Remove access to page->index Core Changes: - Fix usage of logging macros in several places gem: - Add test function for imported dma-bufs and use it in core and helpers - Avoid struct drm_gem_object.import_attach tests: - Fix lockdep warnings ttm: - Add helpers for TTM shrinker Driver Changes: adp: - Add support for Apple Touch Bar displays on M1/M2 amdxdna: - Fix interrupt handling appletbdrm: - Add support for Apple Touch Bar displays on x86 bridge: - synopsys: Add HDMI audio support - ti-sn65dsi83: Support negative DE polarity ipu-v3: - Remove unused code nouveau: - Avoid multiple -Wflex-array-member-not-at-end warnings panthor: - Fix CS_STATUS_ defines - Improve locking rockchip: - analogix_dp: Add eDP support - lvds: Improve logging - vop2: Improve HDMI mode handling; Add support for RK3576 - Fix shutdown - Support rk3562-mali xe: - Use TTM shrinker Signed-off-by: Dave Airlie <[email protected]> From: Thomas Zimmermann <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Diffstat (limited to 'drivers/base/component.c')
-rw-r--r--drivers/base/component.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/base/component.c b/drivers/base/component.c
index 741497324d78..d63e01f4851d 100644
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -569,6 +569,20 @@ void component_master_del(struct device *parent,
}
EXPORT_SYMBOL_GPL(component_master_del);
+bool component_master_is_bound(struct device *parent,
+ const struct component_master_ops *ops)
+{
+ struct aggregate_device *adev;
+
+ guard(mutex)(&component_mutex);
+ adev = __aggregate_find(parent, ops);
+ if (!adev)
+ return 0;
+
+ return adev->bound;
+}
+EXPORT_SYMBOL_GPL(component_master_is_bound);
+
static void component_unbind(struct component *component,
struct aggregate_device *adev, void *data)
{