linux-kernel - Re: [Intel-gfx] [BUG, bisect] drm/i915: mouse pointer lags and overshoots

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Message-ID: <20150124202726.GA1415@hudson.localdomain>
Date:	Sat, 24 Jan 2015 12:27:26 -0800
From:	Jeremiah Mahler <jmmahler@...il.com>
To:	Matt Roper <matthew.d.roper@...el.com>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	Daniel Vetter <daniel.vetter@...el.com>,
	Ville Syrjälä <ville.syrjala@...ux.intel.com>,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	David Airlie <airlied@...ux.ie>,
	Alex Deucher <alexander.deucher@....com>,
	Dave Airlie <airlied@...hat.com>,
	Ander Conselvan de Oliveira <conselvan2@...il.com>,
	linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org
Subject: Re: [Intel-gfx] [BUG, bisect] drm/i915: mouse pointer lags and
 overshoots

Daniel, Matt,

On Sat, Jan 24, 2015 at 12:24:55PM +0100, Daniel Vetter wrote:
> On Fri, Jan 23, 2015 at 10:57:32PM -0800, Jeremiah Mahler wrote:
> > all,
> > 
> > On Tue, Jan 20, 2015 at 06:48:42AM +0100, Daniel Vetter wrote:
> > > On Mon, Jan 19, 2015 at 08:40:24AM -0800, Matt Roper wrote:
> > > > On Mon, Jan 19, 2015 at 11:04:04AM +0000, Chris Wilson wrote:
> > > > > On Mon, Jan 19, 2015 at 11:51:43AM +0100, Daniel Vetter wrote:
[...]
>     drm/plane-helper: Skip prepare_fb/cleanup_fb when newfb==oldfb
> 
> that should rectify the sluggish i915 cursor. But it's in a separate topic
> branch which isn't in linux-next. Should show up in drm-next next week
> though.
> -Daniel
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch

I found the patch and tried it out.  It does fix the mouse pointer
problem.  Thanks for the fix.

-- 
- Jeremiah Mahler
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