From nobody Tue Dec 2 02:19:38 2025 Received: from sender3-pp-f112.zoho.com (sender3-pp-f112.zoho.com [136.143.184.112]) (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 9D63F36E569 for ; Wed, 19 Nov 2025 16:27:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.184.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763569650; cv=pass; b=rX6cN6oGu4TNHUbvFva2EXC7Lo7e0mIAPUyd2pNWYuu+0Uv9T/OyCEn3BUu9l8cDShG1BLPNyzRv2a+AYKqY5AWfoEvfSqBpniNzDLAVkwkvciB6KFQbvW4YVN2dmGqJaMofg0om4gEEyopV8e07ICS4nErBKcX4uQ4WmgajaWE= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763569650; c=relaxed/simple; bh=X6/e4SQOCKwwBcKCTOQ0S120S1DfGdcEsxfPLqzqioE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=uH0Ry2kM6rDz5Rx9pWxaidFJN2hG9l06Y4SFWGKrhiL0IYvdW5E40XCIF2h0yO87QJI6V5C9OIvCPwuINbQxpreLgXL0bVBLe4FTUWAvEtRE5a4Pzb7U9hYu4Ma3Si/gMl6j5i52ED/AnvFBBgV1brzA8mha4z813nYQ1/8MrEM= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=ashley.smith@collabora.com header.b=IpQSYcNg; arc=pass smtp.client-ip=136.143.184.112 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 (1024-bit key) header.d=collabora.com header.i=ashley.smith@collabora.com header.b="IpQSYcNg" ARC-Seal: i=1; a=rsa-sha256; t=1763569629; cv=none; d=zohomail.com; s=zohoarc; b=Y/0Vipmx5dbt/YY3fImwYpmBEPHcexUPnq7kxWZA2m6xsPN8Tm5cL3cuvAeevyPT3BJJ/fyWhmQOYw1BbkK82SqPKce6jZHROdccoGeraNvMv8IMQPR2faNH9htpXE4EiXxYg9HuAJtzqBN6NwgSLPpqJx1/K3ahSnytLPO6/EI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1763569629; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=6zLAhp5hPACOhr0eOoF5ggaWm7pqVl9tQSgogBc1AWE=; b=HG32VRGJcUZxS46Dv5RGx0wuZ32wGJG89zxM6lN/yNTtM6hZADbiubukZXMIosc3TkQb7Tzb5WX0RSMk/E2AEaoAPJOjwPfW6rSAYkxl5/hmkTMV6GxXgDGl0hTQQqzxM/PAItJEAT9uoBd80H6PlvbY5RBQiZDTVHryomJc3m4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=ashley.smith@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1763569629; s=zohomail; d=collabora.com; i=ashley.smith@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=6zLAhp5hPACOhr0eOoF5ggaWm7pqVl9tQSgogBc1AWE=; b=IpQSYcNgBD5nW0jJJ1+Mb2f6i1n0pkpi5pdlQe7r2xaIA6omX5yUk8MUcMjS4SbD WCEHiCteWEyTMZsmm7eQ16V03OGf/Pl/tJPRHobaytYM6dDY/m1YbP6QXq4HNmAl4Lh Bve9+v+Zq8Cjx7137FvaWk7RMssN4jJxpJBTHxcc= Received: by mx.zohomail.com with SMTPS id 176356962698772.195018392718; Wed, 19 Nov 2025 08:27:06 -0800 (PST) From: Ashley Smith To: Boris Brezillon , Steven Price , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: kernel@collabora.com, Ashley Smith , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/panthor: Enable timestamp propogation Date: Wed, 19 Nov 2025 16:25:56 +0000 Message-ID: <20251119162613.912486-1-ashley.smith@collabora.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External Content-Type: text/plain; charset="utf-8" Set the GLB_COUNTER_EN bit to enable coherent propagation of GPU timestamp values to shader cores. This is a prerequisite for exposing device-coherent timestamp queries. Bump the version to 1.6 so userspace can detect support. Signed-off-by: Ashley Smith --- drivers/gpu/drm/panthor/panthor_drv.c | 3 ++- drivers/gpu/drm/panthor/panthor_fw.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panthor/panthor_drv.c b/drivers/gpu/drm/pantho= r/panthor_drv.c index d1d4c50da5bf..0b0ec3b978c6 100644 --- a/drivers/gpu/drm/panthor/panthor_drv.c +++ b/drivers/gpu/drm/panthor/panthor_drv.c @@ -1604,6 +1604,7 @@ static void panthor_debugfs_init(struct drm_minor *mi= nor) * - 1.3 - adds DRM_PANTHOR_GROUP_STATE_INNOCENT flag * - 1.4 - adds DRM_IOCTL_PANTHOR_BO_SET_LABEL ioctl * - 1.5 - adds DRM_PANTHOR_SET_USER_MMIO_OFFSET ioctl + * - 1.6 - enables GLB_COUNTER_EN */ static const struct drm_driver panthor_drm_driver =3D { .driver_features =3D DRIVER_RENDER | DRIVER_GEM | DRIVER_SYNCOBJ | @@ -1617,7 +1618,7 @@ static const struct drm_driver panthor_drm_driver =3D= { .name =3D "panthor", .desc =3D "Panthor DRM driver", .major =3D 1, - .minor =3D 5, + .minor =3D 6, =20 .gem_create_object =3D panthor_gem_create_object, .gem_prime_import_sg_table =3D drm_gem_shmem_prime_import_sg_table, diff --git a/drivers/gpu/drm/panthor/panthor_fw.c b/drivers/gpu/drm/panthor= /panthor_fw.c index 38d87ab92eda..a02fb3afc2e1 100644 --- a/drivers/gpu/drm/panthor/panthor_fw.c +++ b/drivers/gpu/drm/panthor/panthor_fw.c @@ -999,6 +999,7 @@ static void panthor_fw_init_global_iface(struct panthor= _device *ptdev) panthor_fw_update_reqs(glb_iface, req, GLB_IDLE_EN, GLB_IDLE_EN); panthor_fw_toggle_reqs(glb_iface, req, ack, GLB_CFG_ALLOC_EN | + GLB_COUNTER_EN | GLB_CFG_POWEROFF_TIMER | GLB_CFG_PROGRESS_TIMER); =20 base-commit: 92c49b3f4df8f9acfa95551ef38fc00c675319fd --=20 2.43.0