From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [PATCH 1/2] ARM: tegra: Add Tegra20 host1x support Date: Wed, 14 Nov 2012 21:21:54 +0100 Message-ID: <20121114202154.GA10742@avionic-0098.mockup.avionic-design.de> References: <1352467202-27903-1-git-send-email-thierry.reding@avionic-design.de> <1352467202-27903-2-git-send-email-thierry.reding@avionic-design.de> <50A357D3.9080002@nvidia.com> <20121114084931.GA31837@avionic-0098.mockup.avionic-design.de> <50A3712E.7000104@nvidia.com> <20121114105406.GA31455@avionic-0098.mockup.avionic-design.de> <50A3C485.7080704@wwwdotorg.org> <20121114200415.GA10335@avionic-0098.mockup.avionic-design.de> <50A3FBFA.3080008@wwwdotorg.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="MGYHOYXEY6WxJCY8" Return-path: Content-Disposition: inline In-Reply-To: <50A3FBFA.3080008-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Stephen Warren Cc: Terje =?utf-8?Q?Bergstr=C3=B6m?= , "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-tegra@vger.kernel.org --MGYHOYXEY6WxJCY8 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Nov 14, 2012 at 01:15:54PM -0700, Stephen Warren wrote: > On 11/14/2012 01:04 PM, Thierry Reding wrote: > ... > > According to tegra20_clocks_data.c, the maximum clock frequency > > for host1x is 166 MHz, so 216 is probably not a good idea. 150 MHz > > sounds sensible, though. >=20 > As a general rule, I wouldn't rely on the upstream clock driver to > specify accurate maximum clock rates at the moment. Our downstream > kernel is more likely to be accurate. Still, upstream might be correct > here already... I just checked and the downstream kernel has the same maximum clock rate for host1x. Thierry --MGYHOYXEY6WxJCY8 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQIcBAEBAgAGBQJQo/1iAAoJEN0jrNd/PrOhXoAQALgpuiHcv+T300NZYeS2vcR2 IFC0mKyPx0y4mZ2ox0OnlMuX8+fwmtlI74MkSfk8NsA5yqeKpzDOD9kX3LmBNky8 K5PocUVAvX7K3Ke/U6fqBxU6TEEPv647KNI/NMknxtEu5rV83Al/c/nys5IREmv+ 9H4wODSaiOx74+WGix/H6z2bGnzc/Dezrrsbqe7B4fPRv+/Ld/P9pJBBH+LUzVYP RRRwMO0uxgXzuDeGIfW4T/+bDuzELkzYk2TAItr4aL8561JMt2BzGGhIK8hvOnDv E7p14Yhlc/AVy8tKS1LwU9cicgC/D06cyOyysgZFuNj7Pw8SCFsxgpRAwFsg4AI+ hRiL9mU7ocLeiR/Cbn+Vj+LiO6itoRqpotWF5D3dNd2LMMevEozAkcqttflpBwhQ R6s4bUVGNndOVheI7M26AchCIks7KAkAhQwtRdbYO5oa+Onsa/Q+4bI+6bNMscoj Ym34p0ENJ2t+dxn0pJaVsbJO09e+aUtTUqmzXEXvCZ5liRuirYwTJnjQDFiqt+Bb RhcREjJ3TRsE+gywQ1dEsbB3NynBx+iosaCE6mtAGd9EGb0omCWSTAaN2dPPDocw 6xpke8caW9zp8Cd+fxuSW/VoS6CXzxLsBLzqCUTq/NyeUiI9KtEjtlHePbvQowfU aaFPBh0h0baw63xxjHUy =gqkf -----END PGP SIGNATURE----- --MGYHOYXEY6WxJCY8--