Message-ID: <1435581800.3453.27.camel@gmail.com>
Subject: Re: [git pull] drm tree for 4.2
From: Ander Conselvan De Oliveira <conselvan2@gmail.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Dave Airlie <airlied@linux.ie>, Daniel Vetter <daniel.vetter@intel.com>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        intel-gfx <intel-gfx@lists.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        DRI mailing list <dri-devel@lists.freedesktop.org>
Date: Mon, 29 Jun 2015 15:43:20 +0300
In-Reply-To: <CA+55aFw23R5xecHstn9tyNTLfbuY7hJ_BVVd6t8PMeSOhQg9bw@mail.gmail.com>
References: <alpine.DEB.2.00.1506260158440.13786@skynet.skynet.ie>
	 <CA+55aFw23R5xecHstn9tyNTLfbuY7hJ_BVVd6t8PMeSOhQg9bw@mail.gmail.com>
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On Fri, 2015-06-26 at 14:43 -0700, Linus Torvalds wrote:
> On Thu, Jun 25, 2015 at 6:00 PM, Dave Airlie <airlied@linux.ie> wrote:
> >
> > This is the main drm pull request for v4.2.
> 
> It seems to work ok for me, but it causes quite a few new warnings on
> my Sony VAIO Pro laptop. It's (once more) a regular i5-4200U CPU (aka
> Haswell, aka 4th gen Intel Core i5)
> 
> Most of them are in check_crtc_state(), and I currently have 18 of
> these in my log:
> 
>   [drm:check_crtc_state [i915]] *ERROR* mismatch in
> dpll_hw_state.wrpll (expected 0x90280202, found 0x00000000)
>   WARNING: CPU: 0 PID: 115 at
> drivers/gpu/drm/i915/intel_display.c:12319
> check_crtc_state+0x8be/0xf60 [i915]()
>   pipe state doesn't match!
> 
> but there's a few others too:
> 
>   WARNING: CPU: 3 PID: 1871 at
> drivers/gpu/drm/i915/intel_display.c:1362 hsw_disable_ips+0x34/0x160
> [i915]()
>   plane A assertion failure (expected on, current off)
> 
>   WARNING: CPU: 3 PID: 1871 at drivers/gpu/drm/drm_irq.c:1162
> drm_wait_one_vblank+0x148/0x1a0 [drm]()
>   vblank not available on crtc 0, ret=-22
> 
> and the backtraces aren't all that interesting, but I'm attaching the
> cleaned-up dmesg, duplicate callchains and all.

Please provide a full dmesg with drm.debug=0x1f in the kernel command
line.

Thanks,
Ander

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