linux/drivers/gpu/drm/i915/gt/intel_sseu.c

// SPDX-License-Identifier: MIT
/*
 * Copyright © 2019 Intel Corporation
 */

#include <linux/string_helpers.h>

#include "i915_drv.h"
#include "i915_perf_types.h"
#include "intel_engine_regs.h"
#include "intel_gt_regs.h"
#include "intel_sseu.h"

void intel_sseu_set_info(struct sseu_dev_info *sseu, u8 max_slices,
			 u8 max_subslices, u8 max_eus_per_subslice)
{ … }

unsigned int
intel_sseu_subslice_total(const struct sseu_dev_info *sseu)
{ … }

unsigned int
intel_sseu_get_hsw_subslices(const struct sseu_dev_info *sseu, u8 slice)
{ … }

static u16 sseu_get_eus(const struct sseu_dev_info *sseu, int slice,
			int subslice)
{ … }

static void sseu_set_eus(struct sseu_dev_info *sseu, int slice, int subslice,
			 u16 eu_mask)
{ … }

static u16 compute_eu_total(const struct sseu_dev_info *sseu)
{ … }

/**
 * intel_sseu_copy_eumask_to_user - Copy EU mask into a userspace buffer
 * @to: Pointer to userspace buffer to copy to
 * @sseu: SSEU structure containing EU mask to copy
 *
 * Copies the EU mask to a userspace buffer in the format expected by
 * the query ioctl's topology queries.
 *
 * Returns the result of the copy_to_user() operation.
 */
int intel_sseu_copy_eumask_to_user(void __user *to,
				   const struct sseu_dev_info *sseu)
{ … }

/**
 * intel_sseu_copy_ssmask_to_user - Copy subslice mask into a userspace buffer
 * @to: Pointer to userspace buffer to copy to
 * @sseu: SSEU structure containing subslice mask to copy
 *
 * Copies the subslice mask to a userspace buffer in the format expected by
 * the query ioctl's topology queries.
 *
 * Returns the result of the copy_to_user() operation.
 */
int intel_sseu_copy_ssmask_to_user(void __user *to,
				   const struct sseu_dev_info *sseu)
{ … }

static void gen11_compute_sseu_info(struct sseu_dev_info *sseu,
				    u32 ss_en, u16 eu_en)
{ … }

static void xehp_compute_sseu_info(struct sseu_dev_info *sseu,
				   u16 eu_en)
{ … }

static void
xehp_load_dss_mask(struct intel_uncore *uncore,
		   intel_sseu_ss_mask_t *ssmask,
		   int numregs,
		   ...)
{ … }

static void xehp_sseu_info_init(struct intel_gt *gt)
{ … }

static void gen12_sseu_info_init(struct intel_gt *gt)
{ … }

static void gen11_sseu_info_init(struct intel_gt *gt)
{ … }

static void cherryview_sseu_info_init(struct intel_gt *gt)
{ … }

static void gen9_sseu_info_init(struct intel_gt *gt)
{ … }

static void bdw_sseu_info_init(struct intel_gt *gt)
{ … }

static void hsw_sseu_info_init(struct intel_gt *gt)
{ … }

void intel_sseu_info_init(struct intel_gt *gt)
{ … }

u32 intel_sseu_make_rpcs(struct intel_gt *gt,
			 const struct intel_sseu *req_sseu)
{ … }

void intel_sseu_dump(const struct sseu_dev_info *sseu, struct drm_printer *p)
{ … }

static void sseu_print_hsw_topology(const struct sseu_dev_info *sseu,
				    struct drm_printer *p)
{ … }

static void sseu_print_xehp_topology(const struct sseu_dev_info *sseu,
				     struct drm_printer *p)
{ … }

void intel_sseu_print_topology(struct drm_i915_private *i915,
			       const struct sseu_dev_info *sseu,
			       struct drm_printer *p)
{ … }

void intel_sseu_print_ss_info(const char *type,
			      const struct sseu_dev_info *sseu,
			      struct seq_file *m)
{ … }

u16 intel_slicemask_from_xehp_dssmask(intel_sseu_ss_mask_t dss_mask,
				      int dss_per_slice)
{ … }