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Wed, 14 Aug 2024 04:20:57 +0000 Message-ID: Date: Wed, 14 Aug 2024 00:20:12 -0400 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 0/4] drm: Use full allocated minor range for DRM To: =?UTF-8?Q?Micha=C5=82_Winiarski?= , Alex Deucher Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, Pekka Paalanen , David Airlie , Oded Gabbay , Maxime Ripard , Emil Velikov , Matthew Wilcox , Thomas Zimmermann , James Zhu , =?UTF-8?Q?Christian_K=C3=B6nig?= References: <20230724211428.3831636-1-michal.winiarski@intel.com> Content-Language: en-US From: James Zhu Organization: AMD RTG In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: YQZPR01CA0105.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:c01:83::22) To SJ0PR12MB6760.namprd12.prod.outlook.com (2603:10b6:a03:44c::18) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ0PR12MB6760:EE_|CH3PR12MB7620:EE_ X-MS-Office365-Filtering-Correlation-Id: 10620e38-ff76-4308-ca1f-08dcbc187ef8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|366016|1800799024|376014; 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If you need Acks, Here  I can give Acked-by: James Zhu for the series Best Regards! James On 2024-08-13 20:18, Michał Winiarski wrote: > On Mon, Aug 12, 2024 at 01:38:38PM GMT, Alex Deucher wrote: >> Are there any objections to this series? We have been running into >> this limit as a problem for a while now on big servers. > I don't think there were any objections, just a general lack of > interest - so there are no R-b / Acks. > If you're interested to have a go at it - I can resend it. > It should still apply on latest drm-tip. > > -Michał > >> Alex >> >> On Mon, Jul 24, 2023 at 5:15 PM Michał Winiarski >> wrote: >>> 64 DRM device nodes is not enough for everyone. >>> Upgrade it to ~512K (which definitely is more than enough). >>> >>> To allow testing userspace support for >64 devices, add additional DRM >>> modparam (force_extended_minors) which causes DRM to skip allocating minors >>> in 0-192 range. >>> Additionally - convert minors to use XArray instead of IDR to simplify the >>> locking. >>> >>> v1 -> v2: >>> Don't touch DRM_MINOR_CONTROL and its range (Simon Ser) >>> >>> v2 -> v3: >>> Don't use legacy scheme for >=192 minor range (Dave Airlie) >>> Add modparam for testing (Dave Airlie) >>> Add lockdep annotation for IDR (Daniel Vetter) >>> >>> v3 -> v4: >>> Convert from IDR to XArray (Matthew Wilcox) >>> >>> v4 -> v5: >>> Fixup IDR to XArray conversion (Matthew Wilcox) >>> >>> v5 -> v6: >>> Also convert Accel to XArray >>> Rename skip_legacy_minors to force_extended_minors >>> >>> Michał Winiarski (4): >>> drm: Use XArray instead of IDR for minors >>> accel: Use XArray instead of IDR for minors >>> drm: Expand max DRM device number to full MINORBITS >>> drm: Introduce force_extended_minors modparam >>> >>> drivers/accel/drm_accel.c | 110 +++------------------------------ >>> drivers/gpu/drm/drm_drv.c | 105 ++++++++++++++++--------------- >>> drivers/gpu/drm/drm_file.c | 2 +- >>> drivers/gpu/drm/drm_internal.h | 4 -- >>> include/drm/drm_accel.h | 18 +----- >>> include/drm/drm_file.h | 5 ++ >>> 6 files changed, 69 insertions(+), 175 deletions(-) >>> >>> -- >>> 2.41.0 >>>