mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-08-29 03:24:53 -04:00
It seems to be a better place for this helper function, where we already have other 'root' oriented helpers. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Reviewed-by: Stuart Summers <stuart.summers@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patch.msgid.link/20260203211240.745-2-michal.wajdeczko@intel.com
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
// SPDX-License-Identifier: MIT
|
|
/*
|
|
* Copyright © 2025 Intel Corporation
|
|
*/
|
|
|
|
#include "regs/xe_soc_remapper_regs.h"
|
|
#include "xe_device.h"
|
|
#include "xe_mmio.h"
|
|
#include "xe_soc_remapper.h"
|
|
|
|
static void xe_soc_remapper_set_region(struct xe_device *xe, struct xe_reg reg,
|
|
u32 mask, u32 val)
|
|
{
|
|
guard(spinlock_irqsave)(&xe->soc_remapper.lock);
|
|
xe_mmio_rmw32(xe_root_tile_mmio(xe), reg, mask, val);
|
|
}
|
|
|
|
static void xe_soc_remapper_set_telem_region(struct xe_device *xe, u32 index)
|
|
{
|
|
xe_soc_remapper_set_region(xe, SG_REMAP_INDEX1, SG_REMAP_TELEM_MASK,
|
|
REG_FIELD_PREP(SG_REMAP_TELEM_MASK, index));
|
|
}
|
|
|
|
static void xe_soc_remapper_set_sysctrl_region(struct xe_device *xe, u32 index)
|
|
{
|
|
xe_soc_remapper_set_region(xe, SG_REMAP_INDEX1, SG_REMAP_SYSCTRL_MASK,
|
|
REG_FIELD_PREP(SG_REMAP_SYSCTRL_MASK, index));
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
bool has_soc_remapper = xe->info.has_soc_remapper_telem ||
|
|
xe->info.has_soc_remapper_sysctrl;
|
|
|
|
if (has_soc_remapper)
|
|
spin_lock_init(&xe->soc_remapper.lock);
|
|
|
|
if (xe->info.has_soc_remapper_telem)
|
|
xe->soc_remapper.set_telem_region = xe_soc_remapper_set_telem_region;
|
|
|
|
if (xe->info.has_soc_remapper_sysctrl)
|
|
xe->soc_remapper.set_sysctrl_region = xe_soc_remapper_set_sysctrl_region;
|
|
|
|
return 0;
|
|
}
|