Date: Fri, 14 Jun 2019 10:19:26 +0200 From: Matthias Oestreicher <matthias@smormegpa.no> To: Trond =?ISO-8859-1?Q?Endrest=F8l?= <trond.endrestol@ximalas.info>, freebsd-questions@freebsd.org Subject: Re: Lenovo Thinkpad E590T and AMD Radeon RX 550X (Intel UHD Graphics 620) Message-ID: <d66e79963f1834e909a0d5b0be83c433bbef4ba1.camel@smormegpa.no> In-Reply-To: <alpine.BSF.2.21.9999.1906140921441.6306@enterprise.ximalas.info> References: <alpine.BSF.2.21.9999.1906140921441.6306@enterprise.ximalas.info>
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Am Freitag, den 14.06.2019, 09:34 +0200 schrieb Trond Endrestøl: > Hi, > > I'm contemplating buying a Lenovo Thinkpad E590T. I will be > dual-booting Windows 10 and FreeBSD stable/12. Why stable? > > I'm considering adding 16 GiB of memory for a total of 32 GiB, and > swap the 512 GB NVMe SSD in favour of a 1 TB NVMe SSD. > > Is this laptop a wise choice? I'd advice against using a laptop for storage. > > The laptop has both AMD Radeon RX 550X and Intel UHD Graphics 620. I > didn't find anything conclusive on https://www.x.org/wiki/radeon/. > Maybe I'm simply blind. Switchable graphics are not supported in FreeBSD. You will hopefully be able to disable one of the graphic adapters in the laptop's BIOS(UEFI), but if I where you, I would rather grab a model with Intel integrated graphics only. Do you want to game on Windows? > > Is the Radeon RX 550X GPU supported by X.org and a particular driver? The kms drivers graphics/drm-kmod has at least modules for Polaris 12, thats what the 550x is build upon according to Wikipedia. Looks good. % ls /boot/modules | grep -i polaris12 amdgpu_polaris12_ce_2_bin.ko amdgpu_polaris12_ce_bin.ko amdgpu_polaris12_k_mc_bin.ko amdgpu_polaris12_k_smc_bin.ko amdgpu_polaris12_mc_bin.ko amdgpu_polaris12_me_2_bin.ko amdgpu_polaris12_me_bin.ko amdgpu_polaris12_mec_2_bin.ko amdgpu_polaris12_mec_bin.ko amdgpu_polaris12_mec2_2_bin.ko amdgpu_polaris12_mec2_bin.ko amdgpu_polaris12_pfp_2_bin.ko amdgpu_polaris12_pfp_bin.ko amdgpu_polaris12_rlc_bin.ko amdgpu_polaris12_sdma_bin.ko amdgpu_polaris12_sdma1_bin.ko amdgpu_polaris12_smc_bin.ko amdgpu_polaris12_uvd_bin.ko amdgpu_polaris12_vce_bin.ko Though, I don't follow the development and the there may exist issues. Anyway, most Polaris based graphics cards work very well as far as I know, but I've seen people complain about issues. Last thing I seen on the forums was someone had a problem that the screen remained black. That was Polaris 8 on a Ryzen processor, which isn't supported as well as the higher end models as far as my knowledge goes. > Does the presence of Intel UHD Graphics 620 cause any known issues? Well supported by graphics/drm-kmod > > Any other thoughts on Lenovo Thinkpad E590T? I havn't had any recent Thinkpad models myself, but I would always prefer a used T-series over a E-series. Even though the E-series should be quite fine as well compared to all other laptops series from Lenovo which I wouldn't even touch with pliers. You will most likely have to swap the wireless device. 😉 >
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