All of lore.kernel.org
 help / color / mirror / Atom feed
From: Alvin Sun <alvin.sun@linux.dev>
To: "Miguel Ojeda" <ojeda@kernel.org>,
	"Boqun Feng" <boqun@kernel.org>, "Gary Guo" <gary@garyguo.net>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Benno Lossin" <lossin@kernel.org>,
	"Andreas Hindborg" <a.hindborg@kernel.org>,
	"Alice Ryhl" <aliceryhl@google.com>,
	"Trevor Gross" <tmgross@umich.edu>,
	"Danilo Krummrich" <dakr@kernel.org>,
	"Daniel Almeida" <daniel.almeida@collabora.com>,
	"Tamir Duberstein" <tamird@kernel.org>,
	"Alexandre Courbot" <acourbot@nvidia.com>,
	"Onur Özkan" <work@onurozkan.dev>,
	"Greg Kroah-Hartman" <gregkh@kernel.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>
Cc: "Alexander Viro" <viro@zeniv.linux.org.uk>,
	"Christian Brauner" <brauner@kernel.org>,
	"Jan Kara" <jack@suse.cz>,
	"Matthew Brost" <matthew.brost@intel.com>,
	"Thomas Hellström" <thomas.hellstrom@linux.intel.com>,
	rust-for-linux@vger.kernel.org, driver-core@lists.linux.dev,
	dri-devel@lists.freedesktop.org,
	"Alvin Sun" <alvin.sun@linux.dev>
Subject: [PATCH v3 4/8] drm: move debugfs_init after dev->registered is set
Date: Fri, 07 Aug 2026 01:07:26 +0800	[thread overview]
Message-ID: <20260807-tyr-debugfs-v2-v3-4-ff5595ac66ae@linux.dev> (raw)
In-Reply-To: <20260807-tyr-debugfs-v2-v3-0-ff5595ac66ae@linux.dev>

The debugfs_init callback is called from drm_debugfs_register during
drm_minor_register, before dev->registered is set to true. Move it to
drm_dev_register after dev->registered = true so that callbacks see a
fully registered device.

Signed-off-by: Alvin Sun <alvin.sun@linux.dev>
---
 drivers/gpu/drm/drm_debugfs.c | 3 ---
 drivers/gpu/drm/drm_drv.c     | 5 +++++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index ae1c6126c2c59..38cf6ce387cc8 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -442,9 +442,6 @@ int drm_debugfs_register(struct drm_minor *minor, int minor_id)
 	/* TODO: Only for compatibility with drivers */
 	minor->debugfs_root = dev->debugfs_root;
 
-	if (dev->driver->debugfs_init && dev->render != minor)
-		dev->driver->debugfs_init(minor);
-
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index e890052061f30..15669764fe625 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -1101,6 +1101,11 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags)
 	dev->registered = true;
 	dev->unplugged = false;
 
+	/* Call debugfs_init after the device is fully registered. */
+	if (dev->driver->debugfs_init && dev->primary &&
+	    dev->render != dev->primary)
+		dev->driver->debugfs_init(dev->primary);
+
 	if (driver->load) {
 		ret = driver->load(dev, flags);
 		if (ret)

-- 
2.43.0



  parent reply	other threads:[~2026-08-06 17:09 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-06 17:07 [PATCH v3 0/8] drm/tyr: add debugfs support Alvin Sun
2026-08-06 17:07 ` [PATCH v3 1/8] rust: seq_file: add as_raw() method Alvin Sun
2026-08-06 17:07 ` [PATCH v3 2/8] rust: debugfs: add seq_file support Alvin Sun
2026-08-06 17:07 ` [PATCH v3 3/8] rust: debugfs: add ScopeRef for existing dentries Alvin Sun
2026-08-06 17:07 ` Alvin Sun [this message]
2026-08-06 17:07 ` [PATCH v3 5/8] rust: drm: add debugfs_init callback to Driver trait Alvin Sun
2026-08-06 17:07 ` [PATCH v3 6/8] rust: drm: gpuvm: add dump_gpuva_info to UniqueRefGpuVm Alvin Sun
2026-08-06 17:07 ` [PATCH v3 7/8] drm/tyr: track VMs in a registry Alvin Sun
2026-08-06 17:07 ` [PATCH v3 8/8] drm/tyr: add gpuvas debugfs file Alvin Sun

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260807-tyr-debugfs-v2-v3-4-ff5595ac66ae@linux.dev \
    --to=alvin.sun@linux.dev \
    --cc=a.hindborg@kernel.org \
    --cc=acourbot@nvidia.com \
    --cc=airlied@gmail.com \
    --cc=aliceryhl@google.com \
    --cc=bjorn3_gh@protonmail.com \
    --cc=boqun@kernel.org \
    --cc=brauner@kernel.org \
    --cc=dakr@kernel.org \
    --cc=daniel.almeida@collabora.com \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=driver-core@lists.linux.dev \
    --cc=gary@garyguo.net \
    --cc=gregkh@kernel.org \
    --cc=jack@suse.cz \
    --cc=lossin@kernel.org \
    --cc=maarten.lankhorst@linux.intel.com \
    --cc=matthew.brost@intel.com \
    --cc=mripard@kernel.org \
    --cc=ojeda@kernel.org \
    --cc=rafael@kernel.org \
    --cc=rust-for-linux@vger.kernel.org \
    --cc=simona@ffwll.ch \
    --cc=tamird@kernel.org \
    --cc=thomas.hellstrom@linux.intel.com \
    --cc=tmgross@umich.edu \
    --cc=tzimmermann@suse.de \
    --cc=viro@zeniv.linux.org.uk \
    --cc=work@onurozkan.dev \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.