Date: Mon, 3 Feb 2020 12:01:49 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Jan Beich <jbeich@FreeBSD.org> Cc: freebsd-x11@FreeBSD.org Subject: Re: X11 + i915kms Message-ID: <a8e02116-6f8c-947e-93a3-3d75411f9aec@selasky.org> In-Reply-To: <d0ca-58eq-wny@FreeBSD.org> References: <abff058c-795c-ed85-65a6-ee2d440817a2@selasky.org> <d0ca-58eq-wny@FreeBSD.org>
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On 2019-12-27 12:12, Jan Beich wrote: > Hans Petter Selasky <hps@selasky.org> writes: > >> Hi, >> >> Just did a fresh install of X11 and stuff. I noticed the >> xf86-video-intel is very sluggish unless SNA acceleration mode is >> selected. Do you know anything about this? Maybe make it the default? >> Or should I have used another driver? > > FreeBSD disabled SNA by default for compatibility with pre-SandyBridge > on drm-legacy-kmod (previously, in-base drm2), see bug 214593. > SNA is also unstable due to I915_USERPTR_UNSYNCHRONIZED, so you may > need the patch in bug 236003. Does this fix the issue? https://github.com/FreeBSDDesktop/kms-drm/pull/205 > > While modesetting DDX (part of xorg-server) is recommended over xf86-video-intel > the version in ports/ is very old (may lack some PCI IDs) and may have bugs > with LIBGL_DRI3_ENABLE=1 (upstream default). > --HPS
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