From: Keith Packard <keithp@keithp.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
Subject: Re: FBC patchset
Date: Fri, 08 Jul 2011 13:00:09 -0700 [thread overview]
Message-ID: <yun39igwnjq.fsf@aiko.keithp.com> (raw)
In-Reply-To: <aefc95$nsdpu@orsmga001.jf.intel.com>
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On Fri, 08 Jul 2011 20:43:47 +0100, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> Bumping to 250ms sufficiently delays the task to miss the race, but we
> can not foretell just how long any given crtc modeset will take. So what
> we need is to take the mode_config.lock in order to prevent concurrent
> access to the FBC registers and also to prevent the fb from disappearing
> beneath us:
Sounds like we also need to push out any FBC reconfiguration anytime
modesetting occurs to ensure that we've waited past a vblank interval?
--
keith.packard@intel.com
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next prev parent reply other threads:[~2011-07-08 20:00 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-08 11:22 FBC patchset Chris Wilson
2011-07-08 11:22 ` [PATCH 1/8] drm/i915: Only export the generic intel_disable_fbc() interface Chris Wilson
2011-07-08 11:22 ` [PATCH 2/8] drm/i915: Replace direct calls to vfunc.disable_fbc with intel_disable_fbc() Chris Wilson
2011-07-08 11:22 ` [PATCH 3/8] drm/i915: Remove vestigial pitch from post-gen2 FBC control routines Chris Wilson
2011-07-08 17:20 ` Keith Packard
2011-07-08 11:22 ` [PATCH 4/8] drm/i915: Use of a CPU fence is mandatory to update FBC regions upon CPU writes Chris Wilson
2011-07-08 11:22 ` [PATCH 5/8] drm/i915: Set persistent-mode for ILK/SNB framebuffer compression Chris Wilson
2011-07-08 11:22 ` [PATCH 6/8] drm/i915: Disable FBC across page-flipping Chris Wilson
2011-07-08 11:22 ` [PATCH 7/8] drm/i915: Perform intel_enable_fbc() from a delayed task Chris Wilson
2011-07-08 11:22 ` [PATCH 8/8] drm/i915: Share the common work of disabling active FBC before updating Chris Wilson
2011-07-08 19:43 ` FBC patchset Chris Wilson
2011-07-08 20:00 ` Keith Packard [this message]
2011-07-08 20:19 ` Chris Wilson
2011-07-08 21:28 ` Keith Packard
2011-07-08 22:08 ` Chris Wilson
2012-01-17 16:18 ` Daniel Vetter
2012-01-17 16:57 ` Chris Wilson
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