Messages in this thread Patch in this message | | | Date | Tue, 3 Feb 2009 09:58:16 +0000 (GMT) | From | Dave Airlie <> | Subject | Re: + drivers-gpu-drm-i915-intel_lvdsc-fix-locking-snafu.patch added to -mm tree |
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On Mon, 2 Feb 2009, Andrew Morton wrote:
> (cc's added) > > On Sat, 31 Jan 2009 16:25:08 +0100 Daniel Vetter <daniel@ffwll.ch> wrote: > > > On Thu, Jan 29, 2009 at 01:48:25PM -0800, Andrew Morton wrote: > > > On Thu, 29 Jan 2009 13:24:17 -0800 > > > Jesse Barnes <jbarnes@virtuousgeek.org> wrote: > > > > On Thursday, January 29, 2009 12:50 pm akpm@linux-foundation.org wrote: > > So I assume that it would make sense to track this as a post-2.6.28 > regression? >
From ac048e1734699dd98f4bdf4daf2b9592d4a4d38e Mon Sep 17 00:00:00 2001 From: Dave Airlie <airlied@redhat.com> Date: Tue, 3 Feb 2009 19:05:12 +1000 Subject: [PATCH] i915: fix unneeded locking in i915 LVDS get modes code.
This code is always called under the lock from the higher layers, so need to go locking it here.
Signed-off-by: Dave Airlie <airlied@redhat.com> --- drivers/gpu/drm/i915/intel_lvds.c | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index b36a521..cf8da64 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -311,10 +311,8 @@ static int intel_lvds_get_modes(struct drm_connector *connector) if (dev_priv->panel_fixed_mode != NULL) { struct drm_display_mode *mode; - mutex_lock(&dev->mode_config.mutex); mode = drm_mode_duplicate(dev, dev_priv->panel_fixed_mode); drm_mode_probed_add(connector, mode); - mutex_unlock(&dev->mode_config.mutex); return 1; } -- 1.6.0.6
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