<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - RX 550 HDMI 4k 60fps not working, DisplayPort is." href="https://bugs.freedesktop.org/show_bug.cgi?id=101026#c5">Comment # 5</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - RX 550 HDMI 4k 60fps not working, DisplayPort is." href="https://bugs.freedesktop.org/show_bug.cgi?id=101026">bug 101026</a> from <a class="email" href="mailto:jb5sgc1n.nya@20mm.eu" title="dwagner <jb5sgc1n.nya@20mm.eu>"> dwagner</a> <pre>Sure can do: This I find in Xorg.0.log: [ 36.956] (--) AMDGPU(0): HDMI max TMDS frequency 300000KHz [ 36.956] (II) AMDGPU(0): Printing probed modes for output HDMI-A-0 [ 36.956] (II) AMDGPU(0): Modeline "3840x2160"x60.0 594.00 3840 4016 4104 4400 2160 2168 2178 2250 +hsync +vsync (135.0 kHz eP) [ 36.956] (II) AMDGPU(0): Modeline "4096x2160"x60.0 594.00 4096 4184 4272 4400 2160 2168 2178 2250 +hsync +vsync (135.0 kHz e) [ 36.956] (II) AMDGPU(0): Modeline "4096x2160"x50.0 594.00 4096 5064 5152 5280 2160 2168 2178 2250 +hsync +vsync (112.5 kHz e) [ 36.956] (II) AMDGPU(0): Modeline "4096x2160"x59.9 593.41 4096 4184 4272 4400 2160 2168 2178 2250 +hsync +vsync (134.9 kHz e) [ 36.956] (II) AMDGPU(0): Modeline "4096x2160"x30.0 297.00 4096 4184 4272 4400 2160 2168 2178 2250 +hsync +vsync (67.5 kHz e) [ 36.956] (II) AMDGPU(0): Modeline "4096x2160"x25.0 297.00 4096 5064 5152 5280 2160 2168 2178 2250 +hsync +vsync (56.2 kHz e) [ 36.956] (II) AMDGPU(0): Modeline "4096x2160"x24.0 297.00 4096 5116 5204 5500 2160 2168 2178 2250 +hsync +vsync (54.0 kHz e) [ 36.956] (II) AMDGPU(0): Modeline "4096x2160"x30.0 296.70 4096 4184 4272 4400 2160 2168 2178 2250 +hsync +vsync (67.4 kHz e) [ 36.956] (II) AMDGPU(0): Modeline "4096x2160"x24.0 296.70 4096 5116 5204 5500 2160 2168 2178 2250 +hsync +vsync (53.9 kHz e) [ 36.956] (II) AMDGPU(0): Output HDMI-A-0 using initial mode 3840x2160 +0+0 ... and also later... [ 133.973] (--) AMDGPU(0): HDMI max TMDS frequency 300000KHz ... [ 152.286] (--) AMDGPU(0): HDMI max TMDS frequency 300000KHz ... etc., seemingly as often as the EDID is re-read/re-considered. >From the first parameter of the Modelines one can already see that modes with 594.00 MHz clock are found, and indeed, the "3840x2160" mode at 60Hz is used, as both xrandr and the connected display report: HDMI-A-0 connected 3840x2160+0+0 (normal left inverted right x axis y axis) 1600mm x 900mm 3840x2160 60.00*+ 50.00 59.94 30.00 25.00 24.00 29.97 23.98</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>