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[209.17.68.221]) by smtp.gmail.com with UTF8SMTPSA id d2e1a72fcca58-736abe02bdasm8989497b3a.31.2025.03.11.10.39.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Mar 2025 10:39:18 -0700 (PDT) Date: Wed, 12 Mar 2025 02:39:16 +0900 From: Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= To: Niklas Cassel Cc: Jingoo Han , Manivannan Sadhasivam , Lorenzo Pieralisi , Rob Herring , Bjorn Helgaas , Heiko Stuebner , Shawn Lin , Damien Le Moal , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH v3 0/2] PCI: dw-rockchip: hide broken ATS cap in EP-mode Message-ID: <20250311173916.GA2673952@rocinante> References: <20250310094826.842681-4-cassel@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250310094826.842681-4-cassel@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250311_103919_812551_E72BAE09 X-CRM114-Status: GOOD ( 10.86 ) 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 Hello, > Hello there, > > Address Translation Services (ATS) is broken on rk3588 when running the > PCIe controller in Endpoint Mode. > > This causes IOTLB invalidation timeout errors on the host side when using > and rk3588 in Endpoint Mode, and you are unable to run pci_endpoint_test. > > Solve this by hiding the ATS capability. > With this, we do not get any IOTLB invalidation timeouts, and we can run > pci_endpoint_test successfully. Applied to controller/dwc, thank you! Krzysztof