Date: Mon, 06 Oct 2025 03:01:48 +0000 From: Jonathan Vasquez <jon@xyinn.org> To: "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org> Subject: Re: GPU Passthrough on FreeBSD 14.3 (AMD Radeon RX 6900 XT and Windows 10 Pro) Message-ID: <t0JqxYPUmJYVoflsTP42McADRO7e0NE6-hXKwmjVt37FgBCgGVVG96ugMQOiIs6BbuIzqcgxwsIEhHsifBq76QRplzYlpjYoHJPKj5ghPhE=@xyinn.org> In-Reply-To: <6heKN-0U0xjXnKHmUoPqG6NWCt6hAHWJNEdDqF3JzzCZqGfsCcquHt3G0kCnn7-LT4ybnTTCShSUi56E3QpY2FA2agzBVhDDNIILsr_rlGA=@xyinn.org> References: =?us-ascii?Q?<6CV-OY6BcErrWRit9jSpi6fWsYBG3E=5FZ3u6eTLPcz6foPAZV1gQpZYaZTR7JA=5F1ot5RQVqrWQaLxJFySXjspIhSbBJGxmckcDQyzxhALNus=3D@xyinn.org>_<mOxiSfmxWrHIMEStshHuwzAKYh003kyxHWvA=5FNY42h2TJfzeGaYSA5ePY1WNK67MtP=5FquGeVkFzRTTeSf7ESI-gMBbcoxtr7DeQ24xr5Ntg=3D@xyinn.org>_<3HATaLlOogPiMZWbxSnWPCnJC11=5FunXloaoQzyF8Ek01s9gZGVqnKKruZgFTrqHQBCi5xWNEzLzK37xiNdn3yCwXG8U7NfXKRmwY8=5F5xCLw=3D@xyinn.org>_<7CNs3oS07TqJcWsTrJCZmDlAypBuy9yh4xr=5FiAgGnUOGjqAP5iRl1JMkuna8LwFSNIvphQLojKi214B4w6ef2q2IRgvjdolLwUD8KCnXaSQ=3D@xyinn.org>_<9c53f1805e22fcf2c9eb878e0c7cc9a723c30dd8.camel@FreeBSD.org>_<-rzPcOUnhEy7jFcu7cF7V=5FkjAVPV=5F2deuhv7EY-eJl536fUllXK-3SSnWq13HStABMZuphkRAysMMhDXvd=5FMWIlH4QaMGU-8l2nXKeOY-Eo=3D@xyinn.org>_<INv1QRTDanPqExdkRH9g=5FSlRzYv6-m=5FXg5SWWYjpkvkQ=5FRqVdS=5FOuVJgJvQW3ZAnhsS334kzM-0IP0rj4c6MN2WRvws2=5FFII5XBr1aL5Rw4=3D@xyinn.org>_<RzyDFcafMRg39mXNnngW6YOm-myIo0vbJID9O-VKrHe-qIQLmPANIH-OVFCMA-s9sjXoUC-Q4jo5YCToUIhf9m4ofvcCngP3AaEE8ws0N8k=3D@xyinn.org>_<6heKN-0U0xjXnKHmUoPqG6NWCt6hA?= =?us-ascii?Q?HWJNEdDqF3JzzCZqGfsCcquHt3G0kCnn7-LT4ybnTTCShSUi56E3QpY2FA2agzBVhDDNIILsr=5FrlGA=3D@xyinn.org>?=
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I've tested the patch but it didn't necessarily help my issue, thus I've re= verted. Since the last message, I've upgraded to an AMD Radeon RX 9070 XT. = I've also uploaded a new video demoing the passthrough on this card. The in= teresting thing is that it runs smooth but I noticed that regardless of me = running the Cyberpunk 2077 benchmark in Ultra and Ray Tracking: Overdrive, = the card would not go above 40 fps, which is similar to what my RX 6900 XT = had on the lower settings. The point is that the only way I was able to get= the fps above 40 fps, was to turn on Frame Generation. I know that this pr= ocessor and this gpu are pretty powerful, so I should be able to easily go = above 40 fps without frame generation. I wonder if having Resize BAR suppor= t in FreeBSD and having that enabled and working would help in any way. Eit= her way, it's a pretty good experience over all and I'll be able to test ou= t future bhyve improvements that could affect the gaming performance on Fre= eBSD. You can find the video here: https://www.youtube.com/watch?v=3DOKXtpnIDkYY
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