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Sun, 15 Nov 2026 00:01:41 -0800 (PST) Received: from claudebox.iyengar.cloud ([50.39.139.68]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b1b3a21769sm6224118a91.4.2026.11.15.00.01.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 15 Nov 2026 00:01:40 -0800 (PST) From: Arun Iyengar To: Lukas Splavec Cc: detlev.casanova@collabora.com, ezequiel@vanguardiasur.com.ar, mchehab@kernel.org, heiko@sntech.de, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] media: rkvdec: Use dma_map_resource() to map RCB SRAM buffers In-Reply-To: <20261114094916.28744-1-lukas.splavec@puresig.cz> References: <20261114094916.28744-1-lukas.splavec@puresig.cz> Date: Sun, 15 Nov 2026 08:01:39 -0000 Message-ID: <179472969996.3843098.1159119154248532841@gmail.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Archived-By: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261115_000142_029583_8A951655 X-CRM114-Status: UNSURE ( 6.29 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-7.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Tested on an Orange Pi 5 (RK3588S), rkvdec from media next with this patch, KASAN and lockdep on: all RCBs in SRAM now use IOVAs, no IOMMU fault or splat, fluster HEVC and H.264 results unchanged. Tested-by: Arun Iyengar