From nobody Thu Jan 30 23:58:10 2025 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (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 0456A1D5CDE; Thu, 23 Jan 2025 22:54:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737672894; cv=pass; b=jLAoDX7iWAJPZ9nDje0rhiE2ch5owhyii5b020kOGCmqQkUQtIOZrDMsZXKIHyeDSnNy01yjI0eua0QvSrT6tlLCnlgNH0n37iF0rkYYJfr9gHuOC01mES8V+1WYTS6HZzYtiWIv7cKdE1rfnoqCMrjp4TVvg8W1wPjjCQSi9c8= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737672894; c=relaxed/simple; bh=+ytlbxanqKXQoq654hT86yilOdoDjjJKwJIt1kbMwPI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=OsXsRfcWZ5HipA/+aRHxEYkFokyzWwS/PRj/KFlOCYn0Nl725cyGPzB6q8lCyndVabyqpjLp37gjydaFqjecNBlIhnTl/anN/46ni/qPzppMhjkSJ0CQE6NI6asebF0Z9aUlsh/97WyoaQl/6tHZ8PYpjnhCgMA0LFxueQjdf1w= 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=adrian.larumbe@collabora.com header.b=OnUKJ5gO; arc=pass smtp.client-ip=136.143.188.112 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=adrian.larumbe@collabora.com header.b="OnUKJ5gO" ARC-Seal: i=1; a=rsa-sha256; t=1737672866; cv=none; d=zohomail.com; s=zohoarc; b=EgxBKy6VlMxQpqkbL/NBkwhaa210n/xjKDIFHCqyIAJYmnaKajJPai9bfwEntxQE67NW3oVWqfjozTvFB3qkJmxPciK156XzJFyO7oUvb8eBCBpFhXjXf912d0ke1pl3XOlbRDtsRg7oCb16sndNepj1xCV7MUY0rK9CmnLqsS4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1737672866; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=0WA6J/EhS4KkqUnGdo0KmY73cb+vgz8J3JE8d3pK9ns=; b=hZzPYEMRYTe9HBPQN9+bMdLi9mxjT7VXmnrhvJ3OGRL0FlVUb0hZ9wYmmOckgxAt5T/qtA1MhmtEyzfdh2tzZRc8vLb19sjwECMz7JdMdssYL/oazO38Ro1SPOqTSEmDES0zh4QW0BkmrkdfYBAQ2gqX+4P0rqlzu3Ar7vv1RZI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=adrian.larumbe@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1737672866; s=zohomail; d=collabora.com; i=adrian.larumbe@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To; bh=0WA6J/EhS4KkqUnGdo0KmY73cb+vgz8J3JE8d3pK9ns=; b=OnUKJ5gO41GZOsaD0yPVzClsk6KH1jDftfbUwtFX1AdjyNXMPa0Dmzu8LBEsptWd BImKk3VevVhx+m4iVstP4jqOOVodgY79Kp0yn8oTeeC3ItQK7kO98l/TmNOtgXyJm4k CwNKs9I/P3Y3Rl0kFV82lD5R4vg38yn6r6r2biIU= Received: by mx.zohomail.com with SMTPS id 1737672844149522.6050164964226; Thu, 23 Jan 2025 14:54:04 -0800 (PST) From: =?UTF-8?q?Adri=C3=A1n=20Larumbe?= To: David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Jonathan Corbet , Boris Brezillon , Steven Price , Liviu Dudau Cc: kernel@collabora.com, Tvrtko Ursulin , Tvrtko Ursulin , dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Adri=C3=A1n=20Larumbe?= , Mihail Atanassov Subject: [PATCH v9 4/5] Documentation/gpu: Add fdinfo meanings of panthor-*-memory tags Date: Thu, 23 Jan 2025 22:53:01 +0000 Message-ID: <20250123225325.3271764-5-adrian.larumbe@collabora.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250123225325.3271764-1-adrian.larumbe@collabora.com> References: <20250123225325.3271764-1-adrian.larumbe@collabora.com> 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: quoted-printable A previous commit enabled display of driver-internal kernel BO sizes through the device file's fdinfo interface. Expand the description of the relevant driver-specific key:value pairs with the definitions of the new panthor-*-memory ones. Reviewed-by: Mihail Atanassov Reviewed-by: Liviu Dudau Reviewed-by: Steven Price Signed-off-by: Adri=C3=A1n Larumbe --- Documentation/gpu/panthor.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/gpu/panthor.rst b/Documentation/gpu/panthor.rst index 3f8979fa2b86..7a841741278f 100644 --- a/Documentation/gpu/panthor.rst +++ b/Documentation/gpu/panthor.rst @@ -26,6 +26,8 @@ the currently possible format options: drm-cycles-panthor: 94439687187 drm-maxfreq-panthor: 1000000000 Hz drm-curfreq-panthor: 1000000000 Hz + panthor-resident-memory: 10396 KiB + panthor-active-memory: 10396 KiB drm-total-memory: 16480 KiB drm-shared-memory: 0 drm-active-memory: 16200 KiB @@ -44,3 +46,11 @@ driver by writing into the appropriate sysfs node:: =20 Where `N` is a bit mask where cycle and timestamp sampling are respectively enabled by the first and second bits. + +Possible `panthor-*-memory` keys are: `active` and `resident`. +These values convey the sizes of the internal driver-owned shmem BO's that +aren't exposed to user-space through a DRM handle, like queue ring buffers, +sync object arrays and heap chunks. Because they are all allocated and pin= ned +at creation time, only `panthor-resident-memory` is necessary to tell us t= heir +size. `panthor-active-memory` shows the size of kernel BO's associated with +VM's and groups currently being scheduled for execution by the GPU. --=20 2.47.1