From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8FF1943B4B3 for ; Tue, 11 Aug 2026 10:17:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786443492; cv=none; b=bg05mutRPoPJlRbtfrvbhvPtDXdXYVfQL98cBcf7djk4I4DfTvzwVAEFd5/GnArgHYzVuVDqW02C1/gGvTY3RKtbHeZBeYDYkgU1glpH4vVo55C4NE3kTO7UWk7Sfsch52R4oC+RpjAzK6rMS+JAE8E3edX0TayJ6uLrk1EapR8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786443492; c=relaxed/simple; bh=0OePKVAEPcE3PmS+UKX8kJpdcShf9zGywxXUPRUZm6U=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=mpm7gDZRO+k3Uff41zZO9J6ea4+zYVvXkCfLZXmHzR16c9ai5arpfgBajFIyXrEHny8h5yrs6d1I4lyGI/WJuLEhy1Faamh0OH9rLjLvu+0W8rAzFl/O8EHasVfsJ9VNDExyds89GgR3NVtsjfObBODwdr31IDFLDBda5V58w9o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=iMB9nbYx; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="iMB9nbYx" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1786443469; bh=0OePKVAEPcE3PmS+UKX8kJpdcShf9zGywxXUPRUZm6U=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=iMB9nbYxz+LKH7bR7fg/EUBLMp2ouxBkDAM/4umFfijvIQgWOFjKsCKDwM9MHdNPo Y6AETdl/ll7nnStC98yFj8hrygOARxqOmXlI0dBtfAFYNdcWP4+2kTb589+ambysji aGe204b5fU2qC/rRvoXO3zUPBRmXqegQsX7yBgEsO9575AkzcB7tb6k7MIX1H5oXoQ n/WxM5iL+3VG6RjCyBjM8xYboA9HFqjKnNpfVYxNgMnoLyMR7eZV1yQvfRpTWlXKZz coA3PqEWH5uhulnOoxKRMseUhinuFg18COX+YcnksSXQiT6zbf3ccjSxC35TWljhec RqAXgRWtP2X+A== Received: from fedora-21.home (unknown [100.64.0.11]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bbrezillon) by bali.collaboradmins.com (Postfix) with ESMTPSA id A8D1317E0F35; Tue, 11 Aug 2026 12:17:48 +0200 (CEST) From: Boris Brezillon Date: Tue, 11 Aug 2026 12:17:37 +0200 Subject: [PATCH v2 03/17] drm/panthor: Make sure reset requests in the resume path are not lost Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260811-panthor-unplug-fixes-v2-3-6b583e37f9ae@collabora.com> References: <20260811-panthor-unplug-fixes-v2-0-6b583e37f9ae@collabora.com> In-Reply-To: <20260811-panthor-unplug-fixes-v2-0-6b583e37f9ae@collabora.com> To: Steven Price , Liviu Dudau Cc: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Boris Brezillon , sashiko-bot@kernel.org X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1786443466; l=1203; i=boris.brezillon@collabora.com; s=20260429; h=from:subject:message-id; bh=0OePKVAEPcE3PmS+UKX8kJpdcShf9zGywxXUPRUZm6U=; b=/8vHXxwABB8nXP1nq4deTo04O3q+XmvP5i0H07rSdxcACNg8albv6BGrMMwOqp8AXlnfCRDgx YDFNjSJCP+XBGZewyC7o3MH5VDYsixXJrnYgcVOzS5P0+SH9nL9Rta0 X-Developer-Key: i=boris.brezillon@collabora.com; a=ed25519; pk=eN+ORdOgQY7d5U+0kA8h5bf67XdD8bhKbjD/TCHexSY= A reset might have been queued while we were resuming. Make sure it's not lost by rescheduling it. Fixes: 5fe909cae118 ("drm/panthor: Add the device logical block") Reported-by: sashiko-bot@kernel.org Closes: https://sashiko.dev/#/patchset/20260804-panthor-unplug-fixes-v1-0-abbbd2d41b13@collabora.com?part=2 Signed-off-by: Boris Brezillon --- drivers/gpu/drm/panthor/panthor_device.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/panthor/panthor_device.c b/drivers/gpu/drm/panthor/panthor_device.c index 5355c4074f1f..2520158adb03 100644 --- a/drivers/gpu/drm/panthor/panthor_device.c +++ b/drivers/gpu/drm/panthor/panthor_device.c @@ -570,6 +570,13 @@ int panthor_device_resume(struct device *dev) DRM_PANTHOR_USER_MMIO_OFFSET, 0, 1); atomic_set(&ptdev->pm.state, PANTHOR_DEVICE_PM_STATE_ACTIVE); mutex_unlock(&ptdev->pm.mmio_lock); + + /* A reset might have been queued while we were resuming. Make sure + * it's not lost by rescheduling it. + */ + if (atomic_read(&ptdev->reset.pending)) + queue_work(ptdev->reset.wq, &ptdev->reset.work); + return 0; err_suspend_devfreq: -- 2.55.0