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Date: Mon, 5 Nov 2018 16:19:29 +0100
From: Maxime Ripard <maxime.ripard@bootlin.com>
Message-ID: <20181105151929.pefmgc7rltfygaif@flea>
References: <20181102190651.25969-4-ville.syrjala@linux.intel.com>
 <20181102193731.27330-1-ville.syrjala@linux.intel.com>
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Subject: Re: [igt-dev] [PATCH i-g-t v2 4/4] lib/igt_fb: Generalize the slow
 read from gtt mmap handling
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To: Ville Syrjala <ville.syrjala@linux.intel.com>
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On Fri, Nov 02, 2018 at 09:37:31PM +0200, Ville Syrjala wrote:
> From: Ville Syrj=E4l=E4 <ville.syrjala@linux.intel.com>
>=20
> Make the handling of slow gtt mmap reads generic, and extend it to
> the pixman converter. Makes the pixman path a bit faster.
>=20
> With testing just XRGB8888 and XBGR8888 on KBL:
> $ time kms_plane --r pixel-format-pipe-A-planes
> - real	0m18,757s
> + real	0m2,635s
>=20
> v2: Use the original src buffer if the malloc fails (Chris)
>     Drop the duplicated comment about things being slow
>=20
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Maxime Ripard <maxime.ripard@bootlin.com>
> Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
> Cc: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> Signed-off-by: Ville Syrj=E4l=E4 <ville.syrjala@linux.intel.com>

For the 4 patches,
Reviewed-by: Maxime Ripard <maxime.ripard@bootlin.com>

Thanks!
Maxime

--=20
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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