lkml.org 
[lkml]   [2011]   [Jan]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] drm/i915: Disable high-precision vblank timestamping
Date
> ------------------------------
>
> Message: 10
> Date: Sun, 23 Jan 2011 10:50:01 +0000
> From: Chris Wilson <chris@chris-wilson.co.uk>
> Subject: [PATCH] drm/i915: Disable high-precision vblank timestamping
> for UMS
> To: Chris Clayton <chris2553@googlemail.com>
> Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
> Message-ID:
> <1295779801-8118-1-git-send-email-chris@chris-wilson.co.uk>
>
> We only have sufficient information for accurate (sub-frame)
> timestamping
> when the modesetting is under our control.
>
> Reported-by: Chris Clayton <chris2553@googlemail.com>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> ---
> drivers/gpu/drm/i915/i915_drv.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/
> i915_drv.c
> index 59eb19b..66796bb 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -752,6 +752,9 @@ static int __init i915_init(void)
> driver.driver_features &= ~DRIVER_MODESET;
> #endif
>
> + if (!(driver.driver_features & DRIVER_MODESET))
> + driver.get_vblank_timestamp = NULL;
> +
> return drm_init(&driver);
> }
>
> --
> 1.7.2.3
>
>


Oops! Have missed that. Thanks for fixing it.

Reviewed-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>


*********************************************************************
Mario Kleiner
Max Planck Institute for Biological Cybernetics
Spemannstr. 38
72076 Tuebingen
Germany

e-mail: mario.kleiner@tuebingen.mpg.de
office: +49 (0)7071/601-1623
fax: +49 (0)7071/601-616
www: http://www.kyb.tuebingen.mpg.de/~kleinerm
*********************************************************************
"For a successful technology, reality must take precedence
over public relations, for Nature cannot be fooled."
(Richard Feynman)



\
 
 \ /
  Last update: 2011-01-23 17:53    [W:0.026 / U:29.272 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site