From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 6/6] drm/i915: Perform intel_enable_fbc() from a delayed task
Date: Thu, 7 Jul 2011 09:20:54 -0700 [thread overview]
Message-ID: <20110707092054.309209f5@jbarnes-desktop> (raw)
In-Reply-To: <1310039291-22554-7-git-send-email-chris@chris-wilson.co.uk>
On Thu, 7 Jul 2011 12:48:11 +0100
Chris Wilson <chris@chris-wilson.co.uk> wrote:
> In order to accommodate the requirements of re-enabling FBC after
> page-flipping, but to avoid doing so and incurring the cost of a wait
> for vblank in the middle of a page-flip sequence, we defer the actual
> enablement by 50ms. If any request to disable FBC arrive within that
> interval, the enablement is cancelled and we are saved from blocking on
> the wait.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> ---
Assuming we can't get away with what Keith suggested, this looks like a
good change.
Did you test module unload/reload as well to make sure the work
teardown is working correctly?
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
--
Jesse Barnes, Intel Open Source Technology Center
next prev parent reply other threads:[~2011-07-07 16:21 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-07 11:48 FBC fixes for review and testing Chris Wilson
2011-07-07 11:48 ` [PATCH 1/6] drm/i915: Remove vestigial pitch from post-gen2 FBC control routines Chris Wilson
2011-07-07 16:12 ` Jesse Barnes
2011-07-07 11:48 ` [PATCH 2/6] drm/i915: Use of a CPU fence is mandatory to update FBC regions upon CPU writes Chris Wilson
2011-07-07 16:13 ` Jesse Barnes
2011-07-07 11:48 ` [PATCH 3/6] drm/i915: Set persistent-mode for ILK/SNB framebuffer compression Chris Wilson
2011-07-07 16:14 ` Jesse Barnes
2011-07-07 11:48 ` [PATCH 4/6] drm/i915: Disable FBC across page-flipping Chris Wilson
2011-07-07 16:15 ` Jesse Barnes
2011-07-07 11:48 ` [PATCH 5/6] drm/i915: Only export the generic intel_disable_fbc() interface Chris Wilson
2011-07-07 16:16 ` Jesse Barnes
2011-07-07 17:19 ` [PATCH] drm/i915: Replace direct calls to vfunc.disable_fbc with intel_disable_fbc() Chris Wilson
2011-07-07 11:48 ` [PATCH 6/6] drm/i915: Perform intel_enable_fbc() from a delayed task Chris Wilson
2011-07-07 16:20 ` Jesse Barnes [this message]
2011-07-07 17:12 ` [PATCH] drm/i915: Flush any scheduled tasks during unload Chris Wilson
2011-07-07 15:45 ` FBC fixes for review and testing Keith Packard
2011-07-07 20:30 ` [PATCH] drm/i915: Share the common work of disabling active FBC before updating Chris Wilson
2011-07-07 20:52 ` Keith Packard
2011-07-07 21:14 ` Chris Wilson
2011-07-07 21:26 ` Keith Packard
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