This patch can be ignored. As the original Author submitted the series here https://patchwork.freedesktop.org/series/114510/ - Radhakrishna(RK) Sripada > -----Original Message----- > From: Sripada, Radhakrishna <radhakrishna.sripada@xxxxxxxxx> > Sent: Wednesday, March 1, 2023 12:11 PM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: Shyti, Andi <andi.shyti@xxxxxxxxx>; Ursulin, Tvrtko > <tvrtko.ursulin@xxxxxxxxx>; Sripada, Radhakrishna > <radhakrishna.sripada@xxxxxxxxx> > Subject: [PATCH v3 2/5] drm/i915/gt: generate per tile debugfs files > > From: Andi Shyti <andi.shyti@xxxxxxxxx> > > In the view of multi-gt we want independent per gt debug files. > > In debugfs create gt0/ gt1/ ... gtN/ for tile related files. In 4 > tiles, the debugfs would be structured as follows: > > /sys/kernel/debug/dri > └── 0 > ├── gt0 > │ ├── drpc > │ ├── engines > │ ├── forcewake > │ ├── frequency > │ └── rps_boost > ├── gt1 > │ ├── drpc > │ ├── engines > │ ├── forcewake > │ ├── frequency > │ └── rps_boost > ├── gt2 > │ ├── drpc > │ ├── engines > │ ├── forcewake > │ ├── frequency > │ └── rps_boost > └─- gt3 > : ├── drpc > : ├── engines > : ├── forcewake > ├── frequency > └── rps_boost > > v2: Fix the missed assignment dbgfs_node > > Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxx> > Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx> > --- > drivers/gpu/drm/i915/gt/intel_gt_debugfs.c | 4 +++- > drivers/gpu/drm/i915/gt/uc/intel_guc.h | 2 ++ > drivers/gpu/drm/i915/gt/uc/intel_guc_log.c | 5 ++++- > 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); > -- > 2.34.1
