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authorDave Airlie <airlied@redhat.com>2025-03-11 10:26:08 +1000
committerDave Airlie <airlied@redhat.com>2025-03-11 10:26:17 +1000
commit11a5c6445ab86f2562510b46355201012352c9c5 (patch)
tree59e206f3a15ce47a3fcad600be094d88a0b18dca /drivers/base
parentc8cd03eb2d2d92e9820bd8ed1216bdfce6728f3f (diff)
parent45f5a1efac90214d9593afb0a900a2c73e1fc95b (diff)
Merge tag 'drm-xe-next-2025-03-07' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
UAPI Changes: - Expose per-engine activity via perf pmu (Riana, Lucas, Umesh) - Add support for EU stall sampling (Harish, Ashutosh) - Allow userspace to provide low latency hint for submission (Tejas) - GPU SVM and Xe SVM implementation (Matthew Brost) Cross-subsystem Changes: - devres handling for component drivers (Lucas) - Backmege drm-next to allow cross dependent change with i915 - GPU SVM and Xe SVM implementation (Matthew Brost) Core Changes: Driver Changes: - Fixes to userptr and missing validations (Matthew Auld, Thomas Hellström, Matthew Brost) - devcoredump typos and error handling improvement (Shuicheng) - Allow oa_exponent value of 0 (Umesh) - Finish moving device probe to devm (Lucas) - Fix race between submission restart and scheduled being freed (Tejas) - Fix counter overflows in gt_stats (Francois) - Refactor and add missing workarounds and tunings for pre-Xe2 platforms (Aradhya, Tvrtko) - Fix PXP locks interaction with exec queues being killed (Daniele) - Eliminate TIMESTAMP_OVERRIDE from xe (Matt Roper) - Change xe_gen_wa_oob to allow building on MacOS (Daniel Gomez) - New workarounds for Panther Lake (Tejas) - Fix VF resume errors (Satyanarayana) - Fix workaround infra skipping some workarounds dependent on engine initialization (Tvrtko) - Improve per-IP descriptors (Gustavo) - Add more error injections to probe sequence (Francois) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/ilc5jvtyaoyi6woyhght5a6sw5jcluiojjueorcyxbynrcpcjp@mw2mi6rd6a7l
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/component.c3
-rw-r--r--drivers/base/devres.c12
2 files changed, 14 insertions, 1 deletions
diff --git a/drivers/base/component.c b/drivers/base/component.c
index d63e01f4851d..a482708566bc 100644
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -588,6 +588,9 @@ static void component_unbind(struct component *component,
{
WARN_ON(!component->bound);
+ dev_dbg(adev->parent, "unbinding %s component %p (ops %ps)\n",
+ dev_name(component->dev), component, component->ops);
+
if (component->ops && component->ops->unbind)
component->ops->unbind(component->dev, adev->parent, data);
component->bound = false;
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index 93e7779ef21e..d8a733ea5e1a 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -576,7 +576,10 @@ void *devres_open_group(struct device *dev, void *id, gfp_t gfp)
}
EXPORT_SYMBOL_GPL(devres_open_group);
-/* Find devres group with ID @id. If @id is NULL, look for the latest. */
+/*
+ * Find devres group with ID @id. If @id is NULL, look for the latest open
+ * group.
+ */
static struct devres_group *find_group(struct device *dev, void *id)
{
struct devres_node *node;
@@ -687,6 +690,13 @@ int devres_release_group(struct device *dev, void *id)
spin_unlock_irqrestore(&dev->devres_lock, flags);
release_nodes(dev, &todo);
+ } else if (list_empty(&dev->devres_head)) {
+ /*
+ * dev is probably dying via devres_release_all(): groups
+ * have already been removed and are on the process of
+ * being released - don't touch and don't warn.
+ */
+ spin_unlock_irqrestore(&dev->devres_lock, flags);
} else {
WARN_ON(1);
spin_unlock_irqrestore(&dev->devres_lock, flags);