From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: i915_driver_irq_handler: irq 42: nobody cared Date: Mon, 9 Apr 2012 10:11:19 -0700 Message-ID: <20120409101119.47e770b2@jbarnes-desktop> References: <4F717CE3.4040206@suse.cz> <4F717D80.9040207@suse.cz> <4F758400.3080907@suse.cz> <1333104359_155028@CP5-2952> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/FsdMHIUUW=fBIKLM0qtRQPz"; protocol="application/pgp-signature" Return-path: In-Reply-To: <1333104359_155028@CP5-2952> Sender: linux-kernel-owner@vger.kernel.org To: Chris Wilson Cc: Jiri Slaby , Jiri Slaby , LKML , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --Sig_/FsdMHIUUW=fBIKLM0qtRQPz Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Fri, 30 Mar 2012 11:45:43 +0100 Chris Wilson wrote: > On Fri, 30 Mar 2012 11:59:28 +0200, Jiri Slaby wrote: > > I don't know what to dump more, because iir is obviously zero too. What > > other sources of interrupts are on the (G33) chip? >=20 > IIR is the master interrupt, with chained secondary interrupt statuses. > If IIR is 0, the interrupt wasn't raised by the GPU. I've actually seen cases where one of the PIPE*STAT regs is stuck, and even if IIR is 0 we still get interrupts... Jiri can you verify the PIPE*STAT regs have bits set, maybe one or more we don't check for? --=20 Jesse Barnes, Intel Open Source Technology Center --Sig_/FsdMHIUUW=fBIKLM0qtRQPz Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBAgAGBQJPgxg3AAoJEIEoDkX4Qk9hytYP/1Ky9cq25TYIbChaX1t9yyLm FiMrTw/HmuYMhb4/aGceOeglA4gCrD2Yr8QKJgXtcXi5BSS/F8ZUx+E5C7bRj6Oc I3oEV79gNgIFHvs4JqgbrYFW/peX27L30GjUiiIiL2Yx0YgsBvoZtYhsdXtMcr8M 99Q1SZh+Qt2blohDnle/Npq26gOOxAJ9LeozOSQ1jrL6hrZayYunw5iPPjnfN/Qb s17LN9QJ33XIcI1vKgtCjFnPjEaZde/UA4MAzKk9D5m5LWbJ1vmfMc51lvbxXqgT aBgtkY8fMC0BZrHZ0Gay70dR//vqVi2RbEt//PPhI96uGUf8C+pI/StudyJnPLga 5g9OM5B89tyH0pYXzmBNsyvA2Hv6Sdqg7vsj3e2gzg9xGw3ETQbLt6bUHSzU/Ea5 a/wWwTpI2TSWqVdS/zpLziM7xrVZdMjB2f+mB6C0P23nlAqteL2JcNXgWOvLplzO XX9Nl805rPKkmeeZ8ifsqgY4Z5nZzx91TAZtQqDc+9yR2jUeHfDdqufHBzD1TeOp 5J1sZSAJLx19bzGUwOGwNq9zjKA7U7bDegBw0o8mVK78o0fIgTrpeUnMHO4jQNBy 0V5R2DevvRHEk03rFcXLSmyWpGvgjhUSEQfxsxsoOux70XUblg43veAj396ZMnfA u8B/z5Q80xsRscPhTs9u =6dK5 -----END PGP SIGNATURE----- --Sig_/FsdMHIUUW=fBIKLM0qtRQPz--