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| author | Andi Shyti <andi.shyti@linux.intel.com> | 2023-03-18 21:36:14 +0100 |
|---|---|---|
| committer | Andi Shyti <andi.shyti@linux.intel.com> | 2023-03-21 10:09:31 +0100 |
| commit | 70b5ffb393f3f1fbb00ac52c5288d233ae6e991e (patch) | |
| tree | ba42bea1414167d3b055af95beff4be200f909ad | |
| parent | drm/i915/uapi: Replace fake flex-array with flexible-array member (diff) | |
| download | linux-70b5ffb393f3f1fbb00ac52c5288d233ae6e991e.tar.xz linux-70b5ffb393f3f1fbb00ac52c5288d233ae6e991e.zip | |
drm/i915/gt: Create per-gt debugfs files
To support multi-GT configurations, we need to generate
independent debug files for each GT.
To achieve this create a separate directory for each GT under the
debugfs directory. For instance, in a system with two GTs, the
debugfs structure would look like this:
/sys/kernel/debug/dri
└── 0
├── gt0
│ ├── drpc
│ ├── engines
│ ├── forcewake
│ ├── frequency
│ └── rps_boost
└── gt1
: ├── drpc
: ├── engines
: ├── forcewake
├── frequency
└── rps_boost
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230318203616.183765-2-andi.shyti@linux.intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_debugfs.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc_log.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c | 2 |
4 files changed, 11 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_debugfs.c b/drivers/gpu/drm/i915/gt/intel_gt_debugfs.c index 5fc2df01aa0d..4dc23b8d3aa2 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_debugfs.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_debugfs.c @@ -83,11 +83,13 @@ static void gt_debugfs_register(struct intel_gt *gt, struct dentry *root) void intel_gt_debugfs_register(struct intel_gt *gt) { struct dentry *root; + char gtname[4]; if (!gt->i915->drm.primary->debugfs_root) return; - root = debugfs_create_dir("gt", gt->i915->drm.primary->debugfs_root); + snprintf(gtname, sizeof(gtname), "gt%u", gt->info.id); + root = debugfs_create_dir(gtname, gt->i915->drm.primary->debugfs_root); if (IS_ERR(root)) return; diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h index bb4dfe707a7d..e46aac1a41e6 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h @@ -42,6 +42,8 @@ struct intel_guc { /** @capture: the error-state-capture module's data and objects */ struct intel_guc_state_capture *capture; + struct dentry *dbgfs_node; + /** @sched_engine: Global engine used to submit requests to GuC */ struct i915_sched_engine *sched_engine; /** diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c index 195db8c9d420..55bc8b55fbc0 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c @@ -542,8 +542,11 @@ static int guc_log_relay_create(struct intel_guc_log *log) */ n_subbufs = 8; + if (!guc->dbgfs_node) + return -ENOENT; + guc_log_relay_chan = relay_open("guc_log", - i915->drm.primary->debugfs_root, + guc->dbgfs_node, subbuf_size, n_subbufs, &relay_callbacks, i915); if (!guc_log_relay_chan) { diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c index 284d6fbc2d08..2f93cc4e408a 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c @@ -54,6 +54,8 @@ void intel_uc_debugfs_register(struct intel_uc *uc, struct dentry *gt_root) if (IS_ERR(root)) return; + uc->guc.dbgfs_node = root; + intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), uc); intel_guc_debugfs_register(&uc->guc, root); |