From: Alexandre Courbot <acourbot@nvidia.com>
To: Ben Skeggs <skeggsb@gmail.com>
Cc: Ben Skeggs <bskeggs@redhat.com>,
"nouveau@lists.freedesktop.org" <nouveau@lists.freedesktop.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
Alexandre Courbot <gnurou@gmail.com>,
Eric Brower <ebrower@nvidia.com>,
Stephen Warren <swarren@wwwdotorg.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
Terje Bergstrom <tbergstrom@nvidia.com>,
Ken Adams <KAdams@nvidia.com>
Subject: Re: [RFC 10/16] drm/nouveau/timer: skip calibration on GK20A
Date: Tue, 4 Feb 2014 17:39:07 +0900 [thread overview]
Message-ID: <52F0A72B.8030900@nvidia.com> (raw)
In-Reply-To: <CACAvsv4T=TRb05OtkxG=t1+Ou9=Of9c-ALWkHJjKYpNi2aGs5Q@mail.gmail.com>
On 02/04/2014 12:55 PM, Ben Skeggs wrote:
> On Sat, Feb 1, 2014 at 1:16 PM, Alexandre Courbot <acourbot@nvidia.com> wrote:
>> GK20A's timer is directly attached to the system timer and cannot be
>> calibrated. Skip the calibration phase on that chip since the
>> corresponding registers do not exist.
> Just a curiosity: What timer resolution does the HW initialise at?
On T124 the timer input is the oscillator clock, which depending on the
device can run between 12 and 48Mhz (IIUC).
next prev parent reply other threads:[~2014-02-04 8:39 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-01 3:16 [RFC 00/16] drm/nouveau: initial support for GK20A (Tegra K1) Alexandre Courbot
2014-02-01 3:16 ` [RFC 01/16] drm/nouveau: handle -EACCES runtime PM return code Alexandre Courbot
2014-02-01 3:16 ` [RFC 02/16] drm/nouveau: basic support for platform devices Alexandre Courbot
2014-02-01 3:16 ` [RFC 03/16] drm/nouveau: add platform device probing function Alexandre Courbot
2014-02-01 3:16 ` [RFC 04/16] drm/nouveau/fifo: support platform devices Alexandre Courbot
2014-02-01 3:16 ` [RFC 05/16] drm/nouveau/bar: " Alexandre Courbot
2014-02-01 3:16 ` [RFC 06/16] drm/nouveau/bar: only ioremap BAR3 if it exists Alexandre Courbot
2014-02-01 3:16 ` [RFC 07/16] drm/nouveau/bar/nvc0: support chips without BAR3 Alexandre Courbot
2014-02-04 3:54 ` Ben Skeggs
2014-02-04 8:31 ` Alexandre Courbot
2014-02-01 3:16 ` [RFC 08/16] drm/nouveau/mc: support platform devices Alexandre Courbot
2014-02-01 3:16 ` [RFC 09/16] drm/nouveau/fb: " Alexandre Courbot
2014-02-01 3:16 ` [RFC 10/16] drm/nouveau/timer: skip calibration on GK20A Alexandre Courbot
2014-02-04 3:55 ` Ben Skeggs
2014-02-04 8:39 ` Alexandre Courbot [this message]
2014-02-05 20:27 ` Stephen Warren
2014-02-01 3:16 ` [RFC 11/16] drm/nouveau/fifo: allocate usermem as needed Alexandre Courbot
2014-02-01 3:16 ` [RFC 12/16] drm/nouveau/fifo: add GK20A support Alexandre Courbot
2014-02-04 9:15 ` Daniel Vetter
2014-02-05 1:21 ` Alexandre Courbot
2014-02-01 3:16 ` [RFC 13/16] drm/nouveau/ibus: " Alexandre Courbot
2014-02-02 6:35 ` Ilia Mirkin
2014-02-02 9:38 ` Alexandre Courbot
2014-02-01 3:16 ` [RFC 14/16] drm/nouveau/fb: " Alexandre Courbot
2014-02-01 13:40 ` Lucas Stach
2014-02-01 23:28 ` Ilia Mirkin
2014-02-01 23:58 ` Lucas Stach
2014-02-02 13:43 ` Alexandre Courbot
2014-02-07 14:19 ` Alexandre Courbot
2014-02-01 3:16 ` [RFC 15/16] drm/nouveau: support GK20A in nouveau_accel_init() Alexandre Courbot
2014-02-01 3:16 ` [RFC 16/16] drm/nouveau: support for probing GK20A Alexandre Courbot
2014-02-02 19:10 ` [RFC 00/16] drm/nouveau: initial support for GK20A (Tegra K1) Ilia Mirkin
2014-02-03 2:44 ` Alexandre Courbot
2014-02-03 3:14 ` Ilia Mirkin
2014-02-03 3:41 ` Ben Skeggs
2014-02-03 11:25 ` David Herrmann
2014-02-04 2:47 ` Alexandre Courbot
2014-02-03 17:33 ` Daniel Vetter
2014-02-04 3:53 ` Ben Skeggs
2014-02-04 8:44 ` Alexandre Courbot
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