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authorTakashi Iwai <tiwai@suse.de>2022-04-19 17:26:01 +0200
committerTakashi Iwai <tiwai@suse.de>2022-04-19 17:26:01 +0200
commit0aea30a07ec6b50de0fc5f5b2ec34a68ead86b61 (patch)
treeee7d7d116570f39e47399c8f691a5a7565077eeb /drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h
parent4ddef9c4d70aae0c9029bdec7c3f7f1c1c51ff8c (diff)
parent5b933c7262c5b0ea11ea3c3b3ea81add04895954 (diff)
Merge tag 'asoc-fix-v5.18-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v5.18 A collection of fixes that came in since the merge window, plus one new device ID for an x86 laptop. Nothing that really stands out with particularly big impact outside of the affected device.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h
index e00d38d9160a..1949dbe28a86 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h
@@ -70,6 +70,21 @@ struct amdgpu_reset_control {
void (*async_reset)(struct work_struct *work);
};
+
+enum amdgpu_reset_domain_type {
+ SINGLE_DEVICE,
+ XGMI_HIVE
+};
+
+struct amdgpu_reset_domain {
+ struct kref refcount;
+ struct workqueue_struct *wq;
+ enum amdgpu_reset_domain_type type;
+ struct rw_semaphore sem;
+ atomic_t in_gpu_reset;
+};
+
+
int amdgpu_reset_init(struct amdgpu_device *adev);
int amdgpu_reset_fini(struct amdgpu_device *adev);
@@ -82,4 +97,29 @@ int amdgpu_reset_perform_reset(struct amdgpu_device *adev,
int amdgpu_reset_add_handler(struct amdgpu_reset_control *reset_ctl,
struct amdgpu_reset_handler *handler);
+struct amdgpu_reset_domain *amdgpu_reset_create_reset_domain(enum amdgpu_reset_domain_type type,
+ char *wq_name);
+
+void amdgpu_reset_destroy_reset_domain(struct kref *ref);
+
+static inline bool amdgpu_reset_get_reset_domain(struct amdgpu_reset_domain *domain)
+{
+ return kref_get_unless_zero(&domain->refcount) != 0;
+}
+
+static inline void amdgpu_reset_put_reset_domain(struct amdgpu_reset_domain *domain)
+{
+ kref_put(&domain->refcount, amdgpu_reset_destroy_reset_domain);
+}
+
+static inline bool amdgpu_reset_domain_schedule(struct amdgpu_reset_domain *domain,
+ struct work_struct *work)
+{
+ return queue_work(domain->wq, work);
+}
+
+void amdgpu_device_lock_reset_domain(struct amdgpu_reset_domain *reset_domain);
+
+void amdgpu_device_unlock_reset_domain(struct amdgpu_reset_domain *reset_domain);
+
#endif