Commit a9f88c68 authored by Umesh Nerlige Ramappa's avatar Umesh Nerlige Ramappa
Browse files

drm/xe/soc_remapper: Initialize SoC remapper during Xe probe 



SoC remapper is used to map different HW functions in the SoC to their
respective drivers. Initialize SoC remapper during driver load.

Signed-off-by: default avatarUmesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: default avatarBadal Nilawar <badal.nilawar@intel.com>
Link: https://patch.msgid.link/20251223183943.3175941-6-umesh.nerlige.ramappa@intel.com
parent e6787032

drivers/gpu/drm/xe/Makefile

+1 −0
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@@ -116,6 +116,7 @@ xe-y += xe_bb.o \ 
	xe_sa.o \

	xe_sched_job.o \

	xe_shrinker.o \

	xe_soc_remapper.o \

	xe_step.o \

	xe_survivability_mode.o \

	xe_sync.o \

drivers/gpu/drm/xe/xe_device.c

+5 −0
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@@ -62,6 +62,7 @@ 
#include "xe_pxp.h"

#include "xe_query.h"

#include "xe_shrinker.h"

#include "xe_soc_remapper.h"

#include "xe_survivability_mode.h"

#include "xe_sriov.h"

#include "xe_svm.h"
@@ -989,6 +990,10 @@ int xe_device_probe(struct xe_device *xe) 


	xe_nvm_init(xe);



	err = xe_soc_remapper_init(xe);

	if (err)

		return err;



	err = xe_heci_gsc_init(xe);

	if (err)

		return err;

drivers/gpu/drm/xe/xe_device_types.h

+6 −0
Original line number Diff line number Diff line
@@ -578,6 +578,12 @@ struct xe_device { 
		struct mutex lock;

	} pmt;



	/** @soc_remapper: SoC remapper object */

	struct {

		/** @soc_remapper.lock: Serialize access to SoC Remapper's index registers */

		spinlock_t lock;

	} soc_remapper;



	/**

	 * @pm_callback_task: Track the active task that is running in either

	 * the runtime_suspend or runtime_resume callbacks.

drivers/gpu/drm/xe/xe_soc_remapper.c

0 → 100644
+21 −0
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// SPDX-License-Identifier: MIT

/*

 * Copyright © 2025 Intel Corporation

 */



#include "xe_soc_remapper.h"



/**

 * xe_soc_remapper_init() - Initialize SoC remapper

 * @xe: Pointer to xe device.

 *

 * Initialize SoC remapper.

 *

 * Return: 0 on success, error code on failure

 */

int xe_soc_remapper_init(struct xe_device *xe)

{

	spin_lock_init(&xe->soc_remapper.lock);



	return 0;

}

drivers/gpu/drm/xe/xe_soc_remapper.h

0 → 100644
+13 −0
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/* SPDX-License-Identifier: MIT */

/*

 * Copyright © 2025 Intel Corporation

 */



#ifndef _XE_SOC_REMAPPER_H_

#define _XE_SOC_REMAPPER_H_



#include "xe_device_types.h"



int xe_soc_remapper_init(struct xe_device *xe);



#endif