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Message-ID: <AANLkTik6njOQTLGsB4KzPP-J=fE=p4CHopAyvsDzdDSF@mail.gmail.com> Date: Fri, 1 Apr 2011 14:51:42 +0300 From: Pekka Enberg <penberg@...nel.org> To: Chris Wilson <chris@...is-wilson.co.uk>, intel-gfx@...ts.freedesktop.org, Pekka Enberg <penberg@...nel.org>, linux-kernel@...r.kernel.org Cc: Daniel Vetter <daniel@...ll.ch> Subject: Re: [Intel-gfx] [PATCH] drm/i915: Disable all outputs early, before KMS takeover On Fri, Apr 1, 2011 at 2:44 PM, Daniel Vetter <daniel@...ll.ch> wrote: > On Tue, Mar 29, 2011 at 11:46:29AM +0100, Chris Wilson wrote: >> If the outputs are active and continuing to access the GATT when we >> teardown the PTEs, then there is a potential for us to hang the GPU. >> The hang tends to be a PGTBL_ER with either an invalid host access or >> an invalid display plane fetch. > > This patch seems to fix resume flakiness (that recently developed > complete reliability in hanging the gpu) on my i855gm. Captured > error_states look as described here. Latest -staging merged into latest > -linus is now again fully reliable at s/r. > > Tested-by: Daniel Vetter <daniel.vetter@...ll.ch> Unfortunately I get a blank screen with after boot: Nacked-by: Pekka Enberg <penberg@...nel.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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