From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Subject: Re: [PATCH v3 09/15] drm: tilcdc: Replace drm_fb_get_bpp_depth() with
 drm_format_plane_cpp()
Date: Fri, 10 Jun 2016 16:08:48 +0300
Message-ID: <575ABBE0.7060307@ti.com>
References: <1465428739-26529-1-git-send-email-laurent.pinchart@ideasonboard.com>
 <1465428739-26529-10-git-send-email-laurent.pinchart@ideasonboard.com>
 <575AA9D1.7090002@ti.com> <20160610120537.GH4329@intel.com>
 <575AADB2.70609@ti.com> <20160610122310.GJ4329@intel.com>
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To: =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= <ville.syrjala@linux.intel.com>, Jyri Sarha <jsarha@ti.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, dri-devel@lists.freedesktop.org
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From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= <ville.syrjala@linux.intel.com>,
 Jyri Sarha <jsarha@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
 dri-devel@lists.freedesktop.org, Daniel Vetter <daniel.vetter@intel.com>,
 Eric Engestrom <eric.engestrom@imgtec.com>
Message-ID: <575ABBE0.7060307@ti.com>
Subject: Re: [PATCH v3 09/15] drm: tilcdc: Replace drm_fb_get_bpp_depth() with
 drm_format_plane_cpp()
References: <1465428739-26529-1-git-send-email-laurent.pinchart@ideasonboard.com>
 <1465428739-26529-10-git-send-email-laurent.pinchart@ideasonboard.com>
 <575AA9D1.7090002@ti.com> <20160610120537.GH4329@intel.com>
 <575AADB2.70609@ti.com> <20160610122310.GJ4329@intel.com>
 <575AB1F6.4040805@ti.com> <20160610122953.GK4329@intel.com>
 <575AB735.3010309@ti.com>
In-Reply-To: <575AB735.3010309@ti.com>

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On 10/06/16 15:48, Tomi Valkeinen wrote:
> On 10/06/16 15:29, Ville Syrj=C3=A4l=C3=A4 wrote:
>=20
>>> The HW does not support any kind of blending to black
>>> or to anything else.
>>
>> Right. Then formats with alpha shouldn't be advertized.
>=20
> I don't think tilcdc does. It comes from the DRM core. With universal
> planes this will be fixed as the driver can define the formats.

Actually, Jyri told that modetest only reports "RG16 RG24 XR24", which
is correct. I think it did contain AR24 at some point, but maybe I
remember wrong. I have no idea where those come from, though, as they
are not defined in tilcdc (at least not in that form)...

 Tomi


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