From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Sean Paul <seanpaul@chromium.org>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Only look for matching clocks for LVDS downclock
Date: Mon, 16 Jan 2012 12:20:03 -0800 [thread overview]
Message-ID: <20120116122003.576348dc@jbarnes-desktop> (raw)
In-Reply-To: <1326236976-7669-1-git-send-email-seanpaul@chromium.org>
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On Tue, 10 Jan 2012 15:09:36 -0800
Sean Paul <seanpaul@chromium.org> wrote:
> This patch enforces that the downclock clock source is the same as the preferred
> clock source for LVDS. This fixes a bug where the driver chooses a downclock
> clock source with a different P than the preferred mode clock source. This
> happened even if the preferred clock source implemented an acceptable rate for
> the downclock. The result of this bug is that downclock is disabled.
>
> Signed-off-by: Sean Paul <seanpaul@chromium.org>
> ---
Yeah looks like a good cleanup that also makes downclocking more likely.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
--
Jesse Barnes, Intel Open Source Technology Center
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next prev parent reply other threads:[~2012-01-16 20:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-10 23:09 [PATCH] drm/i915: Only look for matching clocks for LVDS downclock Sean Paul
2012-01-16 20:20 ` Jesse Barnes [this message]
2012-01-16 20:21 ` Daniel Vetter
2012-01-16 21:56 ` Keith Packard
2012-01-16 22:10 ` Jesse Barnes
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