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([2600:8804:5716:d800::f01a]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-4afe228982bsm906195fac.10.2026.11.12.22.46.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Nov 2026 22:46:06 -0800 (PST) Message-ID: <9accec98-c16e-4815-a479-b84fc39e4580@gmail.com> Date: Fri, 13 Nov 2026 00:46:04 -0600 X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: devnull+getfeus.gmail.com@kernel.org Cc: Xiandong.Wang@mediatek.com, andrew-ct.chen@mediatek.com, getfeus@gmail.com, houlong.wei@mediatek.com, linux-media@vger.kernel.org, linux-mediatek@lists.infradead.org, mchehab@kernel.org, minghsiu.tsai@mediatek.com References: <20261111-rfc-v2-generated-v3-1-e49697d20806@gmail.com> Subject: Re: [PATCH RFC v3] media: mediatek: mdp: Keep component suppliers powered while streaming Content-Language: en-US From: Ryan Brue In-Reply-To: <20261111-rfc-v2-generated-v3-1-e49697d20806@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Youngjoon, I hit the same thing on another MT8173 device, an Amazon Fire HD 10 (2017) tablet (board DTS still under review), on v7.4-rc2 with VPU firmware 1.2.0, every job took about 1.9 s, the firmware reported success and the CAPTURE planes stayed zero, for MT21 input and for plain NV12 -> YV12. LARB4 was off during the job. With v3 applied (one context fixup for devm_kzalloc_obj() on rc2), all seven sibling blocks bind, and MT21 -> NV12M at 1280x736 from the decoder matches a software decode byte for byte for H.264 Baseline, Main and High, VP8 and VP9 (30 frames each). LARB4 suspends again after streaming, there were no IOMMU faults, and a system suspend/resume with the driver loaded left conversion byte-exact afterwards. Tested-by: Ryan Brue Best Regards, Ryan Brue