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a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=s31663417; t=1687591839; x=1688196639; i=ps.report@gmx.net; bh=RyLLjCoQgDpvqrrOxU1tw3LVRFSyOK25nUj7p2SJ7o8=; h=X-UI-Sender-Class:Date:From:To:Cc:Subject:In-Reply-To:References; b=sEPB23J2M4MUTNGAMjt9OLrskIv8qP7MMWQGgw+Fz2MEz1eF+fDf5y5qCjATwLrTnS32Q5S cem2b0QRLR4DkeZAwTxI/vETlYeBTu5VtlrvZYXXoMIwhHLl41OsrzlfLu3kWIFr6/soAfGzg ZhhZexzxhA8H1x0/DIYL76ANiBSzWleuy/xOYw3NQcTw6fTLwGn3qJSEpNaAVauGGa/igAMWp UgdnrfEqDdrm872I08lV3gbSuP6HV2fa9mTjX3XyCqJTEcIMkpdBpkPBSJNokhqvG/Z3j7vUx KvMophqMByXXw1l/kfpu7wCC8SWyGoP4sM/xhebGRmVzjevPhmLw== X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dkim=pass (2048-bit key) header.d=gmx.net header.i=ps.report@gmx.net header.a=rsa-sha256 header.s=s31663417 header.b=sEPB23J2 Subject: Re: [Buildroot] FBTFT extension does not work out of the box X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: buildroot@buildroot.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" Hello Hasan, On Fri, 23 Jun 2023 21:22:50 +0300, Hasan Karaman wrote: > What I do is: > > make orangepi_zero_defconfig > > make menuconfig > > Kernel > Linux Kernel Extensions > FB TFT Drivers > > https://github.com/notro/fbtft cannot be compiled with mainline kernel. > So I use my modified version of fbtft driver: > > https://github.com/grizzlei/fbtft > > And when I replace > buildoot/output/build/linux-6.1.14/drivers/video/fbdev/fbtft with my > code, this time i get compilation errors caused by CONFIG_FB_DEFERRED_IO > macro not being defined. Does FBTFT support depend on other features? > Maybe do not use the out of tree version, use the kernel mainline one (drivers/staging/fbtft) as stated here [1]: 2015-01-19 The FBTFT drivers are now in the Linux kernel staging tree: https://git.kernel.org/cgit/linux/kernel/git/gregkh/staging.git/tree/drivers/staging/fbtft?h=staging-testing Development in this github repo has ceased. Regards, Peter [1] https://github.com/notro/fbtft/commit/855b2908380e8ca996768bf94cb4d8573690bc30 _______________________________________________ buildroot mailing list buildroot@buildroot.org https://lists.buildroot.org/mailman/listinfo/buildroot