Date: Wed, 10 Oct 2018 14:00:00 +0100 From: Johannes Lundberg <johalun0@gmail.com> To: tech-lists@zyxst.net Cc: freebsd-hardware@freebsd.org, x11-list freebsd <freebsd-x11@freebsd.org>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: is 4k desktop possible on freebsd-12? Message-ID: <CAECmPwsYgcbiUGbT3cLESTSXmBwimpTgiuaEU2HLvLtC%2BQMn0g@mail.gmail.com> In-Reply-To: <3ae8eee1-4752-122f-bcc6-661ed23d09e3@zyxst.net> References: <3ae8eee1-4752-122f-bcc6-661ed23d09e3@zyxst.net>
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On Wed, Oct 10, 2018 at 11:18 AM tech-lists <tech-lists@zyxst.net> wrote: > Hi, > > I'm trying to get xorg to display 4k. The context is: > > FreeBSD 12.0-ALPHA8 r339084 amd64 > ports r481640 > AMD RX580 GPU > Asus X99 Extreme3 mobo > cpu: intel e5-2699v4 > 48GB RAM > Samsung UE48JU6410U monitor connected via HDMI > > drm-next-kmod-4.11.g20180822 > libdrm-2.4.93,1 > xf86-video-amdgpu-18.1.0 > xf86-video-ati-18.1.0,1 > xf86-video-openchrome-0.6.0_3 > xf86-video-scfb-0.0.4_7 > xf86-video-vesa-2.4.0_2 > linux_base-c7-7.4.1708_6 and all its xorg/mesa libs > > /var/log/Xorg.0.log has this: > > [ 3470.966] (II) AMDGPU(0): Printing probed modes for output HDMI-A-0 > [ 3470.966] (II) AMDGPU(0): Modeline "1920x1080"x60.0 148.50 1920 > 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync (67.5 kHz e) > [ 3470.966] (II) AMDGPU(0): Modeline "1680x1050"x59.9 119.00 1680 > 1728 1760 1840 1050 1053 1059 1080 +hsync -vsync (64.7 kHz e) > [ 3470.966] (II) AMDGPU(0): Modeline "1600x900"x60.0 108.00 1600 1624 > 1704 1800 900 901 904 1000 +hsync +vsync (60.0 kHz e) > > but further along we have this: > > [ 3474.097] (II) AMDGPU(0): EDID vendor "SAM", prod id 3140 > [ 3474.097] (II) AMDGPU(0): Using EDID range info for horizontal sync > [ 3474.097] (II) AMDGPU(0): Using EDID range info for vertical refresh > [ 3474.097] (II) AMDGPU(0): Printing DDC gathered Modelines: > [ 3474.098] (II) AMDGPU(0): Modeline "3840x2160"x0.0 297.00 3840 4016 > 4104 4400 2160 2168 2178 2250 +hsync +vsync (67.5 kHz eP) > [ 3474.098] (II) AMDGPU(0): Modeline "1920x1080"x0.0 148.50 1920 2008 > 2052 2200 1080 1084 1089 1125 +hsync +vsync (67.5 kHz e) > [ 3474.098] (II) AMDGPU(0): Modeline "800x600"x0.0 40.00 800 840 968 > 1056 600 601 605 628 +hsync +vsync (37.9 kHz e) > > and > > [ 3474.211] (II) AMDGPU(0): Printing DDC gathered Modelines: > [ 3474.211] (II) AMDGPU(0): Modeline "3840x2160"x0.0 297.00 3840 4016 > 4104 4400 2160 2168 2178 2250 +hsync +vsync (67.5 kHz eP) > [ 3474.211] (II) AMDGPU(0): Modeline "1920x1080"x0.0 148.50 1920 2008 > 2052 2200 1080 1084 1089 1125 +hsync +vsync (67.5 kHz e) > [ 3474.211] (II) AMDGPU(0): Modeline "800x600"x0.0 40.00 800 840 968 > 1056 600 601 605 628 +hsync +vsync (37.9 kHz e) > > so would this indicate the card is 4k capable but the HDMI port on the > card is not? Or the port on the monitor? Or something else? > > Hi What is the actual problem? Do you get any 4K modes listed when you run 'xrandr' ? I've been running 4K@60FPS on an external display for a long time on my Intel laptops. However, that requires DP output. Your HDMI output is most likely limited to 30 FPS (but should still display 4K resolution...). thanks, > > -- > J. > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >
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