linux-kernel - Re: [Intel-gfx] drm/i915: WARN_ON_ONCE(!crtc_clock || cdclk < crtc

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Date:   Wed, 12 Oct 2016 14:06:38 +0200
From:   Paul Bolle <pebolle@...cali.nl>
To:     Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>
Cc:     intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [Intel-gfx] drm/i915: WARN_ON_ONCE(!crtc_clock || cdclk <
 crtc_clock)

On Wed, 2016-10-12 at 14:08 +0300, Joonas Lahtinen wrote:
> Bisecting the offending commit between v4.8 and v4.8.1 would be a good
> start.

That would be between v4.7 and v4.8. (I guess my report was ambiguous.)

That might take some time. Because bisecting always takes a long time
and especially since hitting this WARNING sometimes takes over an hour.
Anyhow, please prod me if I stay silent for too long.

Thanks,


Paul Bolle