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Thu, 30 Apr 2026 10:20:06 +0200 (CEST) Message-ID: <6ff04d04-ebe8-4a57-bdc2-b98346080055@collabora.com> Date: Thu, 30 Apr 2026 10:20:06 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/2] media: verisilicon: Simplify motion vectors and rfc buffers allocation To: Nicolas Dufresne , Frank Li 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 References: <20260415140420.282084-1-benjamin.gaignard@collabora.com> <20260415140420.282084-2-benjamin.gaignard@collabora.com> <4064d0168c3409a1e15f9c92da56cea93956b31e.camel@collabora.com> Content-Language: en-US From: Benjamin Gaignard In-Reply-To: <4064d0168c3409a1e15f9c92da56cea93956b31e.camel@collabora.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260430_012012_665914_96663096 X-CRM114-Status: GOOD ( 11.13 ) 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 Le 29/04/2026 à 20:11, Nicolas Dufresne a écrit : > Hi Benjamin, > > Le vendredi 17 avril 2026 à 06:54 -0400, Frank Li a écrit : >> 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. >> Can you try split to more small and straight forward patches, for example >> >> 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. I will cut the series in two: one clean up series (which will come after av1 lib series been merged) and buffer simplification patch after that. Benjamin > > Nicolas > >> ... >>> +++ b/drivers/media/platform/verisilicon/hantro_hevc.c >>> @@ -44,30 +44,49 @@ dma_addr_t hantro_hevc_get_ref_buf(struct hantro_ctx *ctx, >>>   int i; >>> >>>   /* Find the reference buffer in already known ones */ >>> - for (i = 0;  i < NUM_REF_PICTURES; i++) { >>> + for (i = 0; i < NUM_REF_PICTURES; i++) { >>>   if (hevc_dec->ref_bufs_poc[i] == poc) { >>>   hevc_dec->ref_bufs_used |= 1 << i; >>>   return hevc_dec->ref_bufs[i].dma; >>>   } >>>   } >>> - >>>   return 0; >> Move this code style change to new patches. >> >> Frank