add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/gpu/arm/bifrost/backend/gpu/mali_kbase_jm_internal.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 2011-2016, 2018-2021 ARM Limited. All rights reserved.
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+ * (C) COPYRIGHT 2011-2016, 2018-2023 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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@@ -34,21 +34,6 @@
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 #include <device/mali_kbase_device.h>
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 /**
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- * kbase_job_submit_nolock() - Submit a job to a certain job-slot
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- * @kbdev:	Device pointer
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- * @katom:	Atom to submit
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- * @js:		Job slot to submit on
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- *
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- * The caller must check kbasep_jm_is_submit_slots_free() != false before
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- * calling this.
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- *
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- * The following locking conditions are made on the caller:
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- * - it must hold the hwaccess_lock
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- */
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-void kbase_job_submit_nolock(struct kbase_device *kbdev,
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-					struct kbase_jd_atom *katom, int js);
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-
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-/**
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  * kbase_job_done_slot() - Complete the head job on a particular job-slot
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  * @kbdev:		Device pointer
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  * @s:			Job slot
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@@ -60,22 +45,12 @@
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 					u64 job_tail, ktime_t *end_timestamp);
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 #if IS_ENABLED(CONFIG_GPU_TRACEPOINTS)
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-static inline char *kbasep_make_job_slot_string(int js, char *js_string,
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-						size_t js_size)
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+static inline char *kbasep_make_job_slot_string(unsigned int js, char *js_string, size_t js_size)
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 {
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-	snprintf(js_string, js_size, "job_slot_%i", js);
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+	snprintf(js_string, js_size, "job_slot_%u", js);
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 	return js_string;
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 }
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 #endif
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-
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-#if !MALI_USE_CSF
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-static inline int kbasep_jm_is_js_free(struct kbase_device *kbdev, int js,
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-						struct kbase_context *kctx)
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-{
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-	return !kbase_reg_read(kbdev, JOB_SLOT_REG(js, JS_COMMAND_NEXT));
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-}
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-#endif
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-
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 /**
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  * kbase_job_hw_submit() - Submit a job to the GPU
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@@ -88,10 +63,10 @@
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  *
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  * The following locking conditions are made on the caller:
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  * - it must hold the hwaccess_lock
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+ *
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+ * Return: 0 if the job was successfully submitted to hardware, an error otherwise.
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  */
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-void kbase_job_hw_submit(struct kbase_device *kbdev,
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-				struct kbase_jd_atom *katom,
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-				int js);
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+int kbase_job_hw_submit(struct kbase_device *kbdev, struct kbase_jd_atom *katom, unsigned int js);
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 #if !MALI_USE_CSF
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 /**
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  * The following locking conditions are made on the caller:
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  * - it must hold the hwaccess_lock
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  */
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-void kbasep_job_slot_soft_or_hard_stop_do_action(struct kbase_device *kbdev,
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-					int js,
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-					u32 action,
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-					base_jd_core_req core_reqs,
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-					struct kbase_jd_atom *target_katom);
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+void kbasep_job_slot_soft_or_hard_stop_do_action(struct kbase_device *kbdev, unsigned int js,
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+						 u32 action, base_jd_core_req core_reqs,
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+						 struct kbase_jd_atom *target_katom);
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 #endif /* !MALI_USE_CSF */
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 /**
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  *
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  * Return: true if an atom was stopped, false otherwise
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  */
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-bool kbase_backend_soft_hard_stop_slot(struct kbase_device *kbdev,
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-					struct kbase_context *kctx,
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-					int js,
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-					struct kbase_jd_atom *katom,
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-					u32 action);
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+bool kbase_backend_soft_hard_stop_slot(struct kbase_device *kbdev, struct kbase_context *kctx,
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+				       unsigned int js, struct kbase_jd_atom *katom, u32 action);
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 /**
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  * kbase_job_slot_init - Initialise job slot framework