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Mon, 21 Sep 2020 23:42:44 -0700 (PDT) From: Joel Stanley To: Andrew Jeffery , James Feist Subject: [PATCH] ARM: dts: aspeed: s2600wf: Fix VGA memory region location Date: Tue, 22 Sep 2020 16:12:34 +0930 Message-Id: <20200922064234.163799-1-joel@jms.id.au> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200922_024250_616364_54B242A0 X-CRM114-Status: GOOD ( 15.07 ) X-Spam-Score: 0.4 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (0.4 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:442 listed in] [list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [joel.stan[at]gmail.com] 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 0.2 FREEMAIL_FORGED_FROMDOMAIN 2nd level domains in From and EnvelopeFrom freemail headers are different X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, John Wang , linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The VGA memory region is always from the top of RAM. On this board, that is 0x80000000 + 0x20000000 - 0x01000000 = 0x9f000000. This was not an issue in practice as the region is "reserved" by the vendor's u-boot reducing the amount of available RAM, and the only user is the host VGA device poking at RAM over PCIe. That is, nothing from the ARM touches it. It is worth fixing as developers copy existing device trees when building their machines, and the XDMA driver does use the memory region from the ARM side. Fixes: c4043ecac34a ("ARM: dts: aspeed: Add S2600WF BMC Machine") Reported-by: John Wang Signed-off-by: Joel Stanley --- arch/arm/boot/dts/aspeed-bmc-intel-s2600wf.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/aspeed-bmc-intel-s2600wf.dts b/arch/arm/boot/dts/aspeed-bmc-intel-s2600wf.dts index 1deb30ec912c..6e9baf3bba53 100644 --- a/arch/arm/boot/dts/aspeed-bmc-intel-s2600wf.dts +++ b/arch/arm/boot/dts/aspeed-bmc-intel-s2600wf.dts @@ -22,9 +22,9 @@ reserved-memory { #size-cells = <1>; ranges; - vga_memory: framebuffer@7f000000 { + vga_memory: framebuffer@9f000000 { no-map; - reg = <0x7f000000 0x01000000>; + reg = <0x9f000000 0x01000000>; /* 16M */ }; };