linux-kernel - Re: drm/crtc-helper: explicit DPMS on after modeset

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Message-ID: <20130730002755.GB3853@redhat.com>
Date:	Mon, 29 Jul 2013 20:27:55 -0400
From:	Dave Jones <davej@...hat.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	daniel.vetter@...ll.ch, airlied@...hat.com
Subject: Re: drm/crtc-helper: explicit DPMS on after modeset

On Tue, Jul 23, 2013 at 11:08:14PM +0000, Linux Kernel wrote:
 > Gitweb:     http://git.kernel.org/linus/;a=commit;h=25f397a429dfa43f22c278d0119a60a343aa568f
 > Commit:     25f397a429dfa43f22c278d0119a60a343aa568f
 > Author:     Daniel Vetter <daniel.vetter@...ll.ch>
 > AuthorDate: Fri Jul 19 18:57:11 2013 +0200
 > Committer:  Dave Airlie <airlied@...hat.com>
 > CommitDate: Mon Jul 22 09:55:17 2013 +1000
 > 
 >     drm/crtc-helper: explicit DPMS on after modeset

 > --- a/drivers/gpu/drm/drm_crtc_helper.c
 > +++ b/drivers/gpu/drm/drm_crtc_helper.c
 > @@ -677,6 +677,11 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
 >  					/* don't break so fail path works correct */
 >  					fail = 1;
 >  				break;
 > +
 > +				if (connector->dpms != DRM_MODE_DPMS_ON) {
 > +					DRM_DEBUG_KMS("connector dpms not on, full mode switch\n");
 > +					mode_changed = true;
 > +				}
 >  			}

This code will never get executed. (See the break above it).

	Dave

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