From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@bootlin.com (Maxime Ripard) Date: Thu, 22 Feb 2018 15:34:50 +0100 Subject: [PATCH v3 7/8] drm/sun4i: Add support for plane alpha In-Reply-To: References: <76eeabd20aeff78f2cd434eb25a0d2a37528ea57.1518802627.git-series.maxime.ripard@bootlin.com> Message-ID: <20180222143450.gr3tom2ahdimdurd@flea.lan> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Feb 22, 2018 at 10:17:38PM +0800, Chen-Yu Tsai wrote: > On Sat, Feb 17, 2018 at 1:39 AM, Maxime Ripard > wrote: > > Our backend supports a per-plane alpha property. Support it through our new > > helper. > > > > Signed-off-by: Maxime Ripard > > Reviewed-by: Chen-Yu Tsai > > Though, not having a graphics background, does alpha = 255 mean fully > transparent and thus can be skipped? Or no alpha at all? It means that it's fully opaque, and therefore we are in the same situation than if we had no alpha channel at all. Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH v3 7/8] drm/sun4i: Add support for plane alpha Date: Thu, 22 Feb 2018 15:34:50 +0100 Message-ID: <20180222143450.gr3tom2ahdimdurd@flea.lan> References: <76eeabd20aeff78f2cd434eb25a0d2a37528ea57.1518802627.git-series.maxime.ripard@bootlin.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0523691183==" Return-path: Received: from mail.free-electrons.com (mail.free-electrons.com [62.4.15.54]) by gabe.freedesktop.org (Postfix) with ESMTP id CAC446EE07 for ; Thu, 22 Feb 2018 14:35:01 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Chen-Yu Tsai Cc: dri-devel , Boris Brezillon , Laurent Pinchart , Daniel Vetter , linux-arm-kernel List-Id: dri-devel@lists.freedesktop.org --===============0523691183== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="3bvh4jcyd6xjwcwe" Content-Disposition: inline --3bvh4jcyd6xjwcwe Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Feb 22, 2018 at 10:17:38PM +0800, Chen-Yu Tsai wrote: > On Sat, Feb 17, 2018 at 1:39 AM, Maxime Ripard > wrote: > > Our backend supports a per-plane alpha property. Support it through our= new > > helper. > > > > Signed-off-by: Maxime Ripard >=20 > Reviewed-by: Chen-Yu Tsai >=20 > Though, not having a graphics background, does alpha =3D 255 mean fully > transparent and thus can be skipped? Or no alpha at all? It means that it's fully opaque, and therefore we are in the same situation than if we had no alpha channel at all. Maxime --=20 Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com --3bvh4jcyd6xjwcwe Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE0VqZU19dR2zEVaqr0rTAlCFNr3QFAlqO1QkACgkQ0rTAlCFN r3RCpg//VwEL4SEwPL+YcgGPi45NQZQMNsJxfvrpTLIXN8q9owuoi76Pk0UPXVWD nYp1FmS0r2ol/mx5df6HJRCyNK6IgqqSEIGzmdWHJv/aS8T2gz5F49nRpQsMt3yt 3yqRKki670efhBOqAqwuDswanNR+PYnhB6IBb5MD2/5u44ZiNodnvC9Ariq7VDsD naL8rOEAcMhrfl/mAf+pttWOFzkrT447wXdTAlOAF0++83x4F/pgLtMcOLenLl2O /grAWQdy+5/h6Rrs6lG669LSs8V7r4BhPsnR+SBhwn102jXzLOCslAeRlSynAF6D nWi9o8SHRHL9AuM0nOa0fQd57Gd9lfkH0q1Rqal1zHpf9G216csRTX9fyrYn/oH9 cR8cKyBCDEdHIRTWTmPWWBkP4boXAETjaqYPkGz3cvE2vfHWI9M9zS3WqYMwrzcX FiBZsDWrhIUHL4AF/lejta93nmUEbG7Qx21B2P4JTpzlI8h/YB0yG/Nq9j8XZ2J0 FBLJxUBaW9DmLn2Mz4Xkwws06g9ey7OfJh4HHnq7q2/f3+Gc70HJgG/lJHMABomw ylvzesAjRGUWIEoZp09YdbZDTx+6JGKR6TEZl+9hZyrCWZyhMlFLNtNVIZETUXfG Eu1j6BbrtbThtvJCUyl1GHgxY6xCfe00NWo6BSRfSIzLuog834o= =jDik -----END PGP SIGNATURE----- --3bvh4jcyd6xjwcwe-- --===============0523691183== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg== --===============0523691183==--