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From: Chris Wilson <chris@chris-wilson.co.uk>
To: Ben Widawsky <benjamin.widawsky@intel.com>
Cc: Intel GFX <intel-gfx@lists.freedesktop.org>,
	Ben Widawsky <ben@bwidawsk.net>
Subject: Re: [PATCH 4/4] drm/i915: Reserve space for FBC (fbcon)
Date: Thu, 19 Jun 2014 20:28:11 +0100	[thread overview]
Message-ID: <20140619192811.GD8476@nuc-i3427.alporthouse.com> (raw)
In-Reply-To: <1403204773-7112-4-git-send-email-benjamin.widawsky@intel.com>

On Thu, Jun 19, 2014 at 12:06:13PM -0700, Ben Widawsky wrote:
> This is one part in a few fixes needed to make FBC work with limited
> stolen memory and large resolution displays. It is not the full
> solution, but one (easy) step.
> 
> The patch is straight-forward, it attempts to check there will be room
> for FBC before trying to "reclaim"

But it special cases one particular allocation. Why don't you just
reserve stolen upfront for FBC? Compute the maximum buffer size the
hardware could support and try to claim it during stolen init.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre

  reply	other threads:[~2014-06-19 19:28 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-19 19:06 [PATCH 1/4] drm/i915: Move compressed_fb to static allocation Ben Widawsky
2014-06-19 19:06 ` [PATCH 2/4] drm/i915: Extract CFB threshold calculation Ben Widawsky
2014-07-01  0:16   ` Rodrigo Vivi
2014-06-19 19:06 ` [PATCH 3/4] drm/i915: Try harder to get FBC Ben Widawsky
2014-06-20 15:56   ` Runyan, Arthur J
2014-06-20 16:55     ` Ben Widawsky
2014-06-30 17:41       ` [PATCH] " Rodrigo Vivi
2014-07-01 16:09         ` Rodrigo Vivi
2014-07-03 11:52           ` Jani Nikula
2014-06-19 19:06 ` [PATCH 4/4] drm/i915: Reserve space for FBC (fbcon) Ben Widawsky
2014-06-19 19:28   ` Chris Wilson [this message]
2014-06-19 19:41     ` Ben Widawsky
2014-07-01  3:34     ` Ben Widawsky
2014-07-01  0:15 ` [PATCH 1/4] drm/i915: Move compressed_fb to static allocation Rodrigo Vivi

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