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From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>,
	Paulo Zanoni <paulo.r.zanoni@intel.com>,
	intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 13/16] drm/i915: don't use the first stolen page on Broadwell
Date: Wed, 19 Aug 2015 14:55:34 +0300	[thread overview]
Message-ID: <20150819115534.GP5176@intel.com> (raw)
In-Reply-To: <20150815083018.GN27217@nuc-i3427.alporthouse.com>

On Sat, Aug 15, 2015 at 09:30:18AM +0100, Chris Wilson wrote:
> On Fri, Aug 14, 2015 at 06:34:18PM -0300, Paulo Zanoni wrote:
> > The spec says we just can't use it.
> 
> But what about when we inherit a framebuffer at that address?

Indeed. I asked the same question several times during the past attempts
at this, and even tried to outline a potential solution at least once [1]

Also limiting it to BDW is insufficient. CHV needs it too.

[1] http://lists.freedesktop.org/archives/intel-gfx/2014-July/049924.html

-- 
Ville Syrjälä
Intel OTC
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Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
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  reply	other threads:[~2015-08-19 11:55 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-14 21:34 [PATCH 00/16] FBC bug fixes Paulo Zanoni
2015-08-14 21:34 ` [PATCH 01/16] drm/i915: make sure we're not changing the FBC CFB with FBC enabled Paulo Zanoni
2015-08-28 14:05   ` Ville Syrjälä
2015-08-14 21:34 ` [PATCH 02/16] drm/i915: fix the FBC work allocation failure path Paulo Zanoni
2015-08-28 14:20   ` Ville Syrjälä
2015-08-28 14:50     ` Paulo Zanoni
2015-08-28 15:29       ` Ville Syrjälä
2015-09-01 10:07       ` Daniel Vetter
2015-09-01 11:03         ` Ville Syrjälä
2015-09-02  7:52           ` Daniel Vetter
2015-08-14 21:34 ` [PATCH 03/16] drm/i915: fix FBC for cases where crtc->base.y is non-zero Paulo Zanoni
2015-08-28 14:30   ` Ville Syrjälä
2015-08-14 21:34 ` [PATCH 04/16] drm/i915: set ILK_DPFC_FENCE_YOFF to 0 on SNB Paulo Zanoni
2015-08-28 14:46   ` Ville Syrjälä
2015-10-08 21:26     ` Zanoni, Paulo R
2015-10-08 21:37       ` Ville Syrjälä
2015-08-14 21:34 ` [PATCH 05/16] drm/i915: check for the supported strides on HSW+ FBC Paulo Zanoni
2015-08-28 15:16   ` Ville Syrjälä
2015-08-14 21:34 ` [PATCH 06/16] drm/i915: try a little harder to find an FBC CRTC Paulo Zanoni
2015-08-28 16:55   ` Ville Syrjälä
2015-08-14 21:34 ` [PATCH 07/16] drm/i915: disable FBC on FIFO underruns Paulo Zanoni
2015-08-15  8:22   ` Chris Wilson
2015-08-19 12:06   ` Ville Syrjälä
2015-08-20 13:30     ` Paulo Zanoni
2015-08-20 13:58       ` Ville Syrjälä
2015-08-20 14:29         ` Paulo Zanoni
2015-08-20 15:00           ` Ville Syrjälä
2015-08-26  7:36             ` Daniel Vetter
2015-08-14 21:34 ` [PATCH 08/16] drm/i915: avoid the last 8mb of stolen on BDW/SKL Paulo Zanoni
2015-08-15  8:29   ` Chris Wilson
2015-08-18 21:49     ` Zanoni, Paulo R
2015-08-19  8:24       ` chris
2015-09-11 20:35         ` Paulo Zanoni
2015-08-14 21:34 ` [PATCH 09/16] drm/i915: print the correct amount of bytes allocated for the CFB Paulo Zanoni
2015-08-28 17:11   ` Ville Syrjälä
2015-08-14 21:34 ` [PATCH 10/16] drm/i915: fix CFB size calculation Paulo Zanoni
2015-08-28 17:25   ` Ville Syrjälä
2015-08-14 21:34 ` [PATCH 11/16] drm/i915/bdw: don't enable FBC when pixel rate exceeds 95% Paulo Zanoni
2015-08-28 17:41   ` Ville Syrjälä
2015-08-14 21:34 ` [PATCH 12/16] drm/i915: apply WaFbcAsynchFlipDisableFbcQueue earlier Paulo Zanoni
2015-08-28 17:45   ` Ville Syrjälä
2015-08-14 21:34 ` [PATCH 13/16] drm/i915: don't use the first stolen page on Broadwell Paulo Zanoni
2015-08-15  8:30   ` Chris Wilson
2015-08-19 11:55     ` Ville Syrjälä [this message]
2015-08-26  7:48       ` Daniel Vetter
2015-08-26 11:21         ` Ville Syrjälä
2015-08-14 21:34 ` [PATCH 14/16] drm/i915: don't apply WaFbcAsynchFlipDisableFbcQueue on SKL Paulo Zanoni
2015-08-28 17:51   ` Ville Syrjälä
2015-08-14 21:34 ` [PATCH 15/16] Revert "drm/i915: Allocate fbcon from stolen memory" Paulo Zanoni
2015-08-15  8:24   ` Chris Wilson
2015-08-18 21:54     ` Zanoni, Paulo R
2015-08-19  8:16       ` chris
2015-08-14 21:34 ` [PATCH 16/16] drm/i915: reject invalid formats for FBC Paulo Zanoni
2015-08-28 17:55   ` Ville Syrjälä

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