From: Eric Anholt <eric@anholt.net>
To: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Cc: David Airlie <airlied@linux.ie>,
Boris Brezillon <boris.brezillon@bootlin.com>,
Eben Upton <eben@raspberrypi.org>,
Maxime Ripard <maxime.ripard@bootlin.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Subject: Re: [PATCH] drm/vc4: Limit SAND tiling support to semiplanar YUV420 formats
Date: Fri, 14 Dec 2018 08:16:32 -0800 [thread overview]
Message-ID: <87d0q4f5i7.fsf@anholt.net> (raw)
In-Reply-To: <20181214141218.12671-1-paul.kocialkowski@bootlin.com>
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Paul Kocialkowski <paul.kocialkowski@bootlin.com> writes:
> Despite what the HVS documentation indicates, the VC4 does not actually
> support SAND tiling modes for any RGB format and only semiplanar YUV420
> formats (NV12/NV21) can be used in these tiling modes.
>
> The driver currently claims to support RGB formats for the associated
> modifiers, so remove them from the supported list in the
> format_mod_supported helper for RGB formats.
>
> Remove further checks that are no longer necessary along the way, since
> semi-planar YUV420 formats support every SAND tiling mode.
>
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
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WARNING: multiple messages have this Message-ID (diff)
From: Eric Anholt <eric@anholt.net>
To: Paul Kocialkowski <paul.kocialkowski@bootlin.com>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Cc: David Airlie <airlied@linux.ie>,
Boris Brezillon <boris.brezillon@bootlin.com>,
Eben Upton <eben@raspberrypi.org>,
Maxime Ripard <maxime.ripard@bootlin.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Subject: Re: [PATCH] drm/vc4: Limit SAND tiling support to semiplanar YUV420 formats
Date: Fri, 14 Dec 2018 08:16:32 -0800 [thread overview]
Message-ID: <87d0q4f5i7.fsf@anholt.net> (raw)
In-Reply-To: <20181214141218.12671-1-paul.kocialkowski@bootlin.com>
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Paul Kocialkowski <paul.kocialkowski@bootlin.com> writes:
> Despite what the HVS documentation indicates, the VC4 does not actually
> support SAND tiling modes for any RGB format and only semiplanar YUV420
> formats (NV12/NV21) can be used in these tiling modes.
>
> The driver currently claims to support RGB formats for the associated
> modifiers, so remove them from the supported list in the
> format_mod_supported helper for RGB formats.
>
> Remove further checks that are no longer necessary along the way, since
> semi-planar YUV420 formats support every SAND tiling mode.
>
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
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next prev parent reply other threads:[~2018-12-14 16:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-14 14:12 [PATCH] drm/vc4: Limit SAND tiling support to semiplanar YUV420 formats Paul Kocialkowski
2018-12-14 14:12 ` Paul Kocialkowski
2018-12-14 16:16 ` Eric Anholt [this message]
2018-12-14 16:16 ` Eric Anholt
2019-01-11 15:53 ` Maxime Ripard
2019-01-11 15:53 ` Maxime Ripard
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