Files
linux/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c
Vinay Belgaumkar f1928ac2a1 drm/i915/guc/slpc: Add debugfs for SLPC info
This prints out relevant SLPC info from the SLPC shared structure.

We will send a H2G message which forces SLPC to update the
shared data structure with latest information before reading it.

v2: Address review comments (Michal W)
v3: Remove unnecessary tasks from slpc_info (Michal W)
v4: Rename function to intel_guc_slpc_print_info() (Michal W)
v5: checkpatch()

Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Signed-off-by: Sundaresan Sujaritha <sujaritha.sundaresan@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210730202119.23810-10-vinay.belgaumkar@intel.com
2021-08-03 16:05:35 -07:00

88 lines
2.1 KiB
C

// SPDX-License-Identifier: MIT
/*
* Copyright © 2020 Intel Corporation
*/
#include <drm/drm_print.h>
#include "gt/debugfs_gt.h"
#include "intel_guc.h"
#include "intel_guc_debugfs.h"
#include "intel_guc_log_debugfs.h"
#include "gt/uc/intel_guc_ct.h"
#include "gt/uc/intel_guc_ads.h"
#include "gt/uc/intel_guc_submission.h"
#include "gt/uc/intel_guc_slpc.h"
static int guc_info_show(struct seq_file *m, void *data)
{
struct intel_guc *guc = m->private;
struct drm_printer p = drm_seq_file_printer(m);
if (!intel_guc_is_supported(guc))
return -ENODEV;
intel_guc_load_status(guc, &p);
drm_puts(&p, "\n");
intel_guc_log_info(&guc->log, &p);
if (!intel_guc_submission_is_used(guc))
return 0;
intel_guc_ct_print_info(&guc->ct, &p);
intel_guc_submission_print_info(guc, &p);
intel_guc_ads_print_policy_info(guc, &p);
return 0;
}
DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_info);
static int guc_registered_contexts_show(struct seq_file *m, void *data)
{
struct intel_guc *guc = m->private;
struct drm_printer p = drm_seq_file_printer(m);
if (!intel_guc_submission_is_used(guc))
return -ENODEV;
intel_guc_submission_print_context_info(guc, &p);
return 0;
}
DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_registered_contexts);
static int guc_slpc_info_show(struct seq_file *m, void *unused)
{
struct intel_guc *guc = m->private;
struct intel_guc_slpc *slpc = &guc->slpc;
struct drm_printer p = drm_seq_file_printer(m);
if (!intel_guc_slpc_is_used(guc))
return -ENODEV;
return intel_guc_slpc_print_info(slpc, &p);
}
DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_slpc_info);
static bool intel_eval_slpc_support(void *data)
{
struct intel_guc *guc = (struct intel_guc *)data;
return intel_guc_slpc_is_used(guc);
}
void intel_guc_debugfs_register(struct intel_guc *guc, struct dentry *root)
{
static const struct debugfs_gt_file files[] = {
{ "guc_info", &guc_info_fops, NULL },
{ "guc_registered_contexts", &guc_registered_contexts_fops, NULL },
{ "guc_slpc_info", &guc_slpc_info_fops, &intel_eval_slpc_support},
};
if (!intel_guc_is_supported(guc))
return;
intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), guc);
intel_guc_log_debugfs_register(&guc->log, root);
}