Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/xe/soc_remapper: Add system controller config for SoC remapper
Define system controller config bits and helpers for SoC remapper.
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>
Link: https://patch.msgid.link/20251223183943.3175941-8-umesh.nerlige.ramappa@intel.com
+24
-2
+1
drivers/gpu/drm/xe/regs/xe_soc_remapper_regs.h
+1
drivers/gpu/drm/xe/regs/xe_soc_remapper_regs.h
+5
drivers/gpu/drm/xe/xe_device_types.h
+5
drivers/gpu/drm/xe/xe_device_types.h
···
334
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u8 has_pxp:1;
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/** @info.has_range_tlb_inval: Has range based TLB invalidations */
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u8 has_range_tlb_inval:1;
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+
/** @info.has_soc_remapper_sysctrl: Has SoC remapper system controller */
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+
u8 has_soc_remapper_sysctrl:1;
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/** @info.has_soc_remapper_telem: Has SoC remapper telemetry support */
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u8 has_soc_remapper_telem:1;
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/** @info.has_sriov: Supports SR-IOV */
···
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/** @soc_remapper.set_telem_region: Set telemetry index */
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void (*set_telem_region)(struct xe_device *xe, u32 index);
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+
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+
/** @soc_remapper.set_sysctrl_region: Set system controller index */
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void (*set_sysctrl_region)(struct xe_device *xe, u32 index);
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} soc_remapper;
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/**
+2
drivers/gpu/drm/xe/xe_pci.c
+2
drivers/gpu/drm/xe/xe_pci.c
···
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422
.has_mbx_power_limits = true,
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.has_mert = true,
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.has_pre_prod_wa = 1,
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+
.has_soc_remapper_sysctrl = true,
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.has_soc_remapper_telem = true,
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.has_sriov = true,
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.max_gt_per_tile = 2,
···
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xe->info.has_page_reclaim_hw_assist = desc->has_page_reclaim_hw_assist;
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xe->info.has_pre_prod_wa = desc->has_pre_prod_wa;
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xe->info.has_pxp = desc->has_pxp;
697
+
xe->info.has_soc_remapper_sysctrl = desc->has_soc_remapper_sysctrl;
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xe->info.has_soc_remapper_telem = desc->has_soc_remapper_telem;
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xe->info.has_sriov = xe_configfs_primary_gt_allowed(to_pci_dev(xe->drm.dev)) &&
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desc->has_sriov;
+1
drivers/gpu/drm/xe/xe_pci_types.h
+1
drivers/gpu/drm/xe/xe_pci_types.h
+15
-2
drivers/gpu/drm/xe/xe_soc_remapper.c
+15
-2
drivers/gpu/drm/xe/xe_soc_remapper.c
···
20
20
REG_FIELD_PREP(SG_REMAP_TELEM_MASK, index));
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}
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22
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+
static void xe_soc_remapper_set_sysctrl_region(struct xe_device *xe, u32 index)
24
+
{
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+
xe_soc_remapper_set_region(xe, SG_REMAP_INDEX1, SG_REMAP_SYSCTRL_MASK,
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+
REG_FIELD_PREP(SG_REMAP_SYSCTRL_MASK, index));
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+
}
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+
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/**
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* xe_soc_remapper_init() - Initialize SoC remapper
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* @xe: Pointer to xe device.
···
36
30
*/
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int xe_soc_remapper_init(struct xe_device *xe)
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{
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-
if (xe->info.has_soc_remapper_telem) {
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+
bool has_soc_remapper = xe->info.has_soc_remapper_telem ||
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+
xe->info.has_soc_remapper_sysctrl;
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+
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+
if (has_soc_remapper)
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spin_lock_init(&xe->soc_remapper.lock);
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+
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+
if (xe->info.has_soc_remapper_telem)
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xe->soc_remapper.set_telem_region = xe_soc_remapper_set_telem_region;
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-
}
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+
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+
if (xe->info.has_soc_remapper_sysctrl)
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xe->soc_remapper.set_sysctrl_region = xe_soc_remapper_set_sysctrl_region;
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return 0;
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}