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From: "Michel Dänzer" <michel@daenzer.net>
To: Mario Kleiner <mario.kleiner.de@gmail.com>
Cc: alexander.deucher@amd.com, daniel.vetter@ffwll.ch,
	vbabka@suse.cz, dri-devel@lists.freedesktop.org,
	christian.koenig@amd.com
Subject: Re: [PATCH 1/2] drm/radeon: Use drm_vblank_off/on to fix vblank counter trouble.
Date: Thu, 21 Jan 2016 17:25:11 +0900	[thread overview]
Message-ID: <56A095E7.8030303@daenzer.net> (raw)
In-Reply-To: <1453364174-11248-1-git-send-email-mario.kleiner.de@gmail.com>

On 21.01.2016 17:16, Mario Kleiner wrote:
> 
> This patch replaces calls to drm_vblank_pre/post_modeset in the
> drivers dpms code with calls to drm_vblank_off/on, as recommended
> for drivers with hw counters that reset to zero during modeset.

Sounds like you fell for the drm_vblank_on/off propaganda. :( This was
working fine with drm_vblank_pre/post_modeset, that it broke is simply a
regression.


I'm not against switching to drm_vblank_on/off for 4.6, but it's not a
solution for older kernels.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer
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  reply	other threads:[~2016-01-21  8:25 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-21  8:16 [PATCH 1/2] drm/radeon: Use drm_vblank_off/on to fix vblank counter trouble Mario Kleiner
2016-01-21  8:25 ` Michel Dänzer [this message]
2016-01-21  9:16   ` Mario Kleiner
2016-01-21 20:12     ` Ville Syrjälä
2016-01-22  3:17     ` Michel Dänzer
2016-01-22 17:08       ` Mario Kleiner
2016-02-07 11:05         ` Vlastimil Babka
2016-02-07 11:59           ` Mario Kleiner
2016-02-08  1:58             ` Mario Kleiner
2016-02-08 10:10               ` Vlastimil Babka
2016-01-21 10:24 ` Vlastimil Babka

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