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Wed, 29 Apr 2026 20:11:42 +0200 (CEST) Message-ID: <4064d0168c3409a1e15f9c92da56cea93956b31e.camel@collabora.com> Subject: Re: [PATCH v3 1/2] media: verisilicon: Simplify motion vectors and rfc buffers allocation From: Nicolas Dufresne To: Frank Li , Benjamin Gaignard Cc: p.zabel@pengutronix.de, mchehab@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, heiko@sntech.de, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com, wens@kernel.org, jernej.skrabec@gmail.com, samuel@sholland.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-sunxi@lists.linux.dev, kernel@collabora.com Date: Wed, 29 Apr 2026 14:11:41 -0400 In-Reply-To: References: <20260415140420.282084-1-benjamin.gaignard@collabora.com> <20260415140420.282084-2-benjamin.gaignard@collabora.com> Autocrypt: addr=nicolas.dufresne@collabora.com; prefer-encrypt=mutual; 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boundary="=-hO3VKyof1zFkkmRUWXyp" User-Agent: Evolution 3.60.1 (3.60.1-1.fc44) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260429_111147_511323_1B7D32E9 X-CRM114-Status: GOOD ( 16.98 ) 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 --=-hO3VKyof1zFkkmRUWXyp Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Benjamin, Le vendredi 17 avril 2026 =C3=A0 06:54 -0400, Frank Li a =C3=A9crit=C2=A0: > On Wed, Apr 15, 2026 at 04:04:19PM +0200, Benjamin Gaignard wrote: > > Until now we reserve the space needed for motion vectors and reference > > frame compression at the end of the frame buffer. > > Disentanglement mv and rfc from frame buffers by allocating > > distinct buffers for each purpose. > > That simplify the code by removing lot of offset computation. >=20 > Can you try split to more small and straight forward patches, for example >=20 > for example create patch just move hantro_h264_mv_size() to header file, Marking this has Change Requested, as I completely agree with Frank that a = split of this giant will help proper review. Nicolas >=20 > ... > > +++ b/drivers/media/platform/verisilicon/hantro_hevc.c > > @@ -44,30 +44,49 @@ dma_addr_t hantro_hevc_get_ref_buf(struct hantro_ct= x *ctx, > > =C2=A0 int i; > >=20 > > =C2=A0 /* Find the reference buffer in already known ones */ > > - for (i =3D 0;=C2=A0 i < NUM_REF_PICTURES; i++) { > > + for (i =3D 0; i < NUM_REF_PICTURES; i++) { > > =C2=A0 if (hevc_dec->ref_bufs_poc[i] =3D=3D poc) { > > =C2=A0 hevc_dec->ref_bufs_used |=3D 1 << i; > > =C2=A0 return hevc_dec->ref_bufs[i].dma; > > =C2=A0 } > > =C2=A0 } > > - > > =C2=A0 return 0; >=20 > Move this code style change to new patches. >=20 > Frank --=-hO3VKyof1zFkkmRUWXyp Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTvDVKBFcTDwhoEbxLZQZRRKWBy9AUCafJJ3QAKCRDZQZRRKWBy 9H3UAQDXMPc16wto5clUhLZLnohxaOrBBoEinO5d3WvhOAdRDAEAq/QIRB2+WigR 13DyCJr+rFfmdUWiBtqbZtZoXN1CVgg= =FgIy -----END PGP SIGNATURE----- --=-hO3VKyof1zFkkmRUWXyp--