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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
master
Umesh Nerlige Ramappa 2025-12-23 10:39:47 -08:00
parent 32eab46a61
commit c3a613a039
5 changed files with 24 additions and 2 deletions
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1
drivers/gpu/drm/xe/regs/xe_soc_remapper_regs.h
View File

@ -9,5 +9,6 @@
#define SG_REMAP_INDEX1 XE_REG(SOC_BASE + 0x08)
#define SG_REMAP_TELEM_MASK REG_GENMASK(31, 24)
#define SG_REMAP_SYSCTRL_MASK REG_GENMASK(23, 16)
#endif

5
drivers/gpu/drm/xe/xe_device_types.h
View File

@ -334,6 +334,8 @@ struct xe_device {
u8 has_pxp:1;
/** @info.has_range_tlb_inval: Has range based TLB invalidations */
u8 has_range_tlb_inval:1;
/** @info.has_soc_remapper_sysctrl: Has SoC remapper system controller */
u8 has_soc_remapper_sysctrl:1;
/** @info.has_soc_remapper_telem: Has SoC remapper telemetry support */
u8 has_soc_remapper_telem:1;
/** @info.has_sriov: Supports SR-IOV */
@ -587,6 +589,9 @@ struct xe_device {
/** @soc_remapper.set_telem_region: Set telemetry index */
void (*set_telem_region)(struct xe_device *xe, u32 index);
/** @soc_remapper.set_sysctrl_region: Set system controller index */
void (*set_sysctrl_region)(struct xe_device *xe, u32 index);
} soc_remapper;
/**

2
drivers/gpu/drm/xe/xe_pci.c
View File

@ -422,6 +422,7 @@ static const struct xe_device_desc cri_desc = {
.has_mbx_power_limits = true,
.has_mert = true,
.has_pre_prod_wa = 1,
.has_soc_remapper_sysctrl = true,
.has_soc_remapper_telem = true,
.has_sriov = true,
.max_gt_per_tile = 2,
@ -694,6 +695,7 @@ static int xe_info_init_early(struct xe_device *xe,
xe->info.has_page_reclaim_hw_assist = desc->has_page_reclaim_hw_assist;
xe->info.has_pre_prod_wa = desc->has_pre_prod_wa;
xe->info.has_pxp = desc->has_pxp;
xe->info.has_soc_remapper_sysctrl = desc->has_soc_remapper_sysctrl;
xe->info.has_soc_remapper_telem = desc->has_soc_remapper_telem;
xe->info.has_sriov = xe_configfs_primary_gt_allowed(to_pci_dev(xe->drm.dev)) &&
desc->has_sriov;

1
drivers/gpu/drm/xe/xe_pci_types.h
View File

@ -53,6 +53,7 @@ struct xe_device_desc {
u8 has_pre_prod_wa:1;
u8 has_page_reclaim_hw_assist:1;
u8 has_pxp:1;
u8 has_soc_remapper_sysctrl:1;
u8 has_soc_remapper_telem:1;
u8 has_sriov:1;
u8 needs_scratch:1;

17
drivers/gpu/drm/xe/xe_soc_remapper.c
View File

@ -20,6 +20,12 @@ static void xe_soc_remapper_set_telem_region(struct xe_device *xe, u32 index)
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.
@ -30,10 +36,17 @@ static void xe_soc_remapper_set_telem_region(struct xe_device *xe, u32 index)
*/
int xe_soc_remapper_init(struct xe_device *xe)
{
if (xe->info.has_soc_remapper_telem) {
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;
}