add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/gpu/arm/bifrost/mali_kbase_hwaccess_jm.h
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@@ -1,7 +1,7 @@
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 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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 /*
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  *
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- * (C) COPYRIGHT 2014-2021 ARM Limited. All rights reserved.
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+ * (C) COPYRIGHT 2014-2022 ARM Limited. All rights reserved.
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  *
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  * This program is free software and is provided to you under the terms of the
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  * GNU General Public License version 2 as published by the Free Software
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@@ -97,8 +97,8 @@
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  * Return: true if context is now active, false otherwise (ie if context does
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  *	   not have an address space assigned)
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  */
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-bool kbase_backend_use_ctx_sched(struct kbase_device *kbdev,
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-					struct kbase_context *kctx, int js);
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+bool kbase_backend_use_ctx_sched(struct kbase_device *kbdev, struct kbase_context *kctx,
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+				 unsigned int js);
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 /**
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  * kbase_backend_release_ctx_irq - Release a context from the GPU. This will
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@@ -181,10 +181,9 @@
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  * @kbdev: Device pointer
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  * @js:    Job slot to inspect
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  *
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- * Return : Atom currently at the head of slot @js, or NULL
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+ * Return: Atom currently at the head of slot @js, or NULL
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  */
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-struct kbase_jd_atom *kbase_backend_inspect_tail(struct kbase_device *kbdev,
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-					int js);
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+struct kbase_jd_atom *kbase_backend_inspect_tail(struct kbase_device *kbdev, unsigned int js);
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 /**
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  * kbase_backend_nr_atoms_on_slot() - Return the number of atoms currently on a
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@@ -192,9 +191,9 @@
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  * @kbdev:	Device pointer
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  * @js:		Job slot to inspect
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  *
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- * Return : Number of atoms currently on slot
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+ * Return: Number of atoms currently on slot
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  */
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-int kbase_backend_nr_atoms_on_slot(struct kbase_device *kbdev, int js);
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+int kbase_backend_nr_atoms_on_slot(struct kbase_device *kbdev, unsigned int js);
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 /**
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  * kbase_backend_nr_atoms_submitted() - Return the number of atoms on a slot
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@@ -202,9 +201,9 @@
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  * @kbdev:	Device pointer
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  * @js:		Job slot to inspect
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  *
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- * Return : Number of atoms currently on slot @js that are currently on the GPU.
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+ * Return: Number of atoms currently on slot @js that are currently on the GPU.
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  */
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-int kbase_backend_nr_atoms_submitted(struct kbase_device *kbdev, int js);
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+int kbase_backend_nr_atoms_submitted(struct kbase_device *kbdev, unsigned int js);
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 /**
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  * kbase_backend_ctx_count_changed() - Number of contexts ready to submit jobs
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@@ -231,12 +230,12 @@
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  * @kbdev:	Device pointer
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  * @js:		Job slot to inspect
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  *
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- * Return : Number of jobs that can be submitted.
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+ * Return: Number of jobs that can be submitted.
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  */
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-int kbase_backend_slot_free(struct kbase_device *kbdev, int js);
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+int kbase_backend_slot_free(struct kbase_device *kbdev, unsigned int js);
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 /**
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- * kbase_job_check_enter_disjoint - potentially leave disjoint state
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+ * kbase_job_check_leave_disjoint - potentially leave disjoint state
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  * @kbdev: kbase device
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  * @target_katom: atom which is finishing
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  *
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@@ -287,8 +286,8 @@
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  * Context:
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  *   The job slot lock must be held when calling this function.
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  */
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-void kbase_job_slot_hardstop(struct kbase_context *kctx, int js,
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-				struct kbase_jd_atom *target_katom);
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+void kbase_job_slot_hardstop(struct kbase_context *kctx, unsigned int js,
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+			     struct kbase_jd_atom *target_katom);
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 /**
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  * kbase_gpu_atoms_submitted_any() - Inspect whether there are any atoms
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@@ -299,4 +298,21 @@
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  */
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 bool kbase_gpu_atoms_submitted_any(struct kbase_device *kbdev);
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+/**
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+ * kbase_backend_slot_kctx_purge_locked - Perform a purge on the slot_rb tracked
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+ *                                        kctx
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+ *
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+ * @kbdev:	Device pointer
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+ * @kctx:	The kbase context that needs to be purged from slot_rb[]
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+ *
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+ * For JM GPUs, the L1 read only caches may need a start_flush invalidation,
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+ * potentially on all slots (even if the kctx was only using a single slot),
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+ * following a context termination or address-space ID recycle. This function
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+ * performs a clean-up purge on the given kctx which if it has been tracked by
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+ * slot_rb[] objects.
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+ *
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+ * Caller must hold kbase_device->hwaccess_lock.
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+ */
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+void kbase_backend_slot_kctx_purge_locked(struct kbase_device *kbdev, struct kbase_context *kctx);
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+
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 #endif /* _KBASE_HWACCESS_JM_H_ */