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Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPRC2-00000002jk3-1cjF; Tue, 19 May 2026 20:37:34 +0000 Received: from leonov.paulk.fr ([185.233.101.22]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPRBy-00000002jjT-26ZY for linux-arm-kernel@lists.infradead.org; Tue, 19 May 2026 20:37:32 +0000 Received: from laika.paulk.fr (12.234.24.109.rev.sfr.net [109.24.234.12]) by leonov.paulk.fr (Postfix) with ESMTPS id 64B581F8005C for ; Tue, 19 May 2026 20:37:27 +0000 (UTC) Received: by laika.paulk.fr (Postfix, from userid 65534) id 3EC14B40845; Tue, 19 May 2026 20:37:26 +0000 (UTC) Received: from collins (unknown [192.168.1.1]) by laika.paulk.fr (Postfix) with ESMTPSA id 11335B40839; Tue, 19 May 2026 20:37:25 +0000 (UTC) Date: Tue, 19 May 2026 22:37:23 +0200 From: Paul Kocialkowski To: Nicolas Dufresne Cc: linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, Mauro Carvalho Chehab , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Greg Kroah-Hartman , Arash Golgol , Laurent Pinchart Subject: Re: [PATCH 06/16] media: v4l2-common: Add missing tiled format info block sizes Message-ID: References: <20260518102451.417971-1-paulk@sys-base.io> <20260518102451.417971-7-paulk@sys-base.io> <689495bda73de063506d0a63de79b9e099747aa8.camel@collabora.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="qDQIAplM8RyG3VNl" Content-Disposition: inline In-Reply-To: <689495bda73de063506d0a63de79b9e099747aa8.camel@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260519_133730_862602_C99DE7C9 X-CRM114-Status: GOOD ( 25.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --qDQIAplM8RyG3VNl Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Le Tue 19 May 26, 11:18, Nicolas Dufresne a =C3=A9crit : > Le lundi 18 mai 2026 =C3=A0 12:24 +0200, Paul Kocialkowski a =C3=A9crit= =C2=A0: > > Some YUV420 tiled format info definitions are missing block sizes. > > Add the missing block sizes (they are all 4x4). > >=20 > > Signed-off-by: Paul Kocialkowski > > --- > > =C2=A0drivers/media/v4l2-core/v4l2-common.c | 6 ++++-- > > =C2=A01 file changed, 4 insertions(+), 2 deletions(-) > >=20 > > diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2= -core/v4l2-common.c > > index 77a0daa92c2b..e142d40c71b9 100644 > > --- a/drivers/media/v4l2-core/v4l2-common.c > > +++ b/drivers/media/v4l2-core/v4l2-common.c > > @@ -307,10 +307,12 @@ const struct v4l2_format_info *v4l2_format_info(u= 32 format) > > =C2=A0 { .format =3D V4L2_PIX_FMT_GREY,=C2=A0=C2=A0=C2=A0 .pixel_enc = =3D V4L2_PIXEL_ENC_YUV, .mem_planes =3D 1, .comp_planes =3D 1, .bpp =3D { 1= , 0, 0, 0 }, .bpp_div =3D { 1, 1, 1, 1 }, .hdiv =3D 1, .vdiv =3D 1 }, > > =C2=A0 > > =C2=A0 /* Tiled YUV formats */ > > - { .format =3D V4L2_PIX_FMT_NV12_4L4, .pixel_enc =3D V4L2_PIXEL_ENC_Y= UV, .mem_planes =3D 1, .comp_planes =3D 2, .bpp =3D { 1, 2, 0, 0 }, .bpp_di= v =3D { 1, 1, 1, 1 }, .hdiv =3D 2, .vdiv =3D 2 }, > > + { .format =3D V4L2_PIX_FMT_NV12_4L4, .pixel_enc =3D V4L2_PIXEL_ENC_Y= UV, .mem_planes =3D 1, .comp_planes =3D 2, .bpp =3D { 1, 2, 0, 0 }, .bpp_di= v =3D { 1, 1, 1, 1 }, .hdiv =3D 2, .vdiv =3D 2, > > + =C2=A0 .block_w =3D { 4, 4, 0, 0 }, .block_h =3D { 4, 4, 0, 0 }}, >=20 > .block_w =3D { 4, 2, 0, 0 }, .block_h =3D { 4, 4, 0, 0 }}, >=20 > > =C2=A0 { .format =3D V4L2_PIX_FMT_NV15_4L4, .pixel_enc =3D V4L2_PIXEL_= ENC_YUV, .mem_planes =3D 1, .comp_planes =3D 2, .bpp =3D { 5, 10, 0, 0 }, .= bpp_div =3D { 4, 4, 1, 1 }, .hdiv =3D 2, .vdiv =3D 2, > > =C2=A0 =C2=A0 .block_w =3D { 4, 4, 0, 0 }, .block_h =3D { 4, 4, 0, 0 }= }, > > - { .format =3D V4L2_PIX_FMT_P010_4L4, .pixel_enc =3D V4L2_PIXEL_ENC_Y= UV, .mem_planes =3D 1, .comp_planes =3D 2, .bpp =3D { 2, 4, 0, 0 }, .bpp_di= v =3D { 1, 1, 1, 1 }, .hdiv =3D 2, .vdiv =3D 2 }, > > + { .format =3D V4L2_PIX_FMT_P010_4L4, .pixel_enc =3D V4L2_PIXEL_ENC_Y= UV, .mem_planes =3D 1, .comp_planes =3D 2, .bpp =3D { 2, 4, 0, 0 }, .bpp_di= v =3D { 1, 1, 1, 1 }, .hdiv =3D 2, .vdiv =3D 2, > > + =C2=A0 .block_w =3D { 4, 4, 0, 0 }, .block_h =3D { 4, 4, 0, 0 }}, >=20 > .block_w =3D { 4, 2, 0, 0 }, .block_h =3D { 4, 4, 0, 0 }}, >=20 > This one is speecial, this format does not exists. I believe Jernej made = that > one based on assumptions, the actual HW should produce NV15 4L4, but I do= n't own > that hardware, and so I never managed remove that last "user" of it, whic= h is I > believe H6 VP9 decoder. I don't think I've ever tried it but do I have some H6 hardware around, so maybe I could test it eventually and figure out if it really uses this format or not. I guess it doesn't hurt to keep the definition either way. All the best, Paul >=20 > Nicolas >=20 > > =C2=A0 > > =C2=A0 /* YUV planar formats, non contiguous variant */ > > =C2=A0 { .format =3D V4L2_PIX_FMT_YUV420M, .pixel_enc =3D V4L2_PIXEL_E= NC_YUV, .mem_planes =3D 3, .comp_planes =3D 3, .bpp =3D { 1, 1, 1, 0 }, .bp= p_div =3D { 1, 1, 1, 1 }, .hdiv =3D 2, .vdiv =3D 2 }, --=20 Paul Kocialkowski, Independent contractor - sys-base - https://www.sys-base.io/ Free software developer - https://www.paulk.fr/ Expert in multimedia, graphics and embedded hardware support with Linux. --qDQIAplM8RyG3VNl Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEAbcMXZQMtj1fphLChP3B6o/ulQwFAmoMygMACgkQhP3B6o/u lQyhfQ/+OihZP1pX+KtLZHb5PzSuHG0dNVPtJqPXxuifAq/+8LDU7nVA4PnCrecI XgxCEuVL34zttetOPT6eEv3bS5ggk83M/Cc5rB4eQqvmJvEF9CtPH42w0oTphKY3 +0tdM1crZVVxMOZAWf0h0/vPcxU0u8k/9fiNhXGxZoHebaJKRYDsM/GRmdx00sRG NZhyZda+siMNnD8U8GHh5BYC8jJaGXdNRfVbybTSy4gy6lfxHGjCNXyPUip2CuVl aorL2mN5Tn6u2k2CeVsiNtFY88piEoKPNCj3qPrBwpfJus1shJT6KzG7hV0VkmWJ q4X6AifqLw2xKTrXKr2bn8ZuoPTU+1NXRW2AAZSjJZ3UEULyc2FMPeyl63PRx5mu 5qFLO6oODog4myIXxRgX5I+348Woyk2fJlkiuQtwgropwM7IQsANfngK6NlJtK5+ SGIu6RpmqaRsok/80menkJHVbe9eVWY5s9dFE7hOtZDIuuJzit5Iaa1u6659MKcN +2Q5z/EsdeMfSWtN58hhpCP+i/pv7K/tmswIjFl8/tFAMLld6dtQbUYDaDtnF26f K0CBJjm6GCtl9JgcCUAgXgHsKbxe0tAYL89dciy4Gurl0tRbUfEDr5NgUHQ5UtON EY4XD09tRKRV2RUt8y2S64q6kzTRZ999rAOoOveEj79GOO7AYNs= =PJVw -----END PGP SIGNATURE----- --qDQIAplM8RyG3VNl--