https://bugzilla.kernel.org/show_bug.cgi?id=203731 Bug ID: 203731 Summary: amdgpu wrong refresh rate for hdmi output with deepcolor turned on Product: Drivers Version: 2.5 Kernel Version: 4.19.45 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@xxxxxxxxxxxxxxxxxxxx Reporter: sss123next@xxxxxxx Regression: No Created attachment 282971 --> https://bugzilla.kernel.org/attachment.cgi?id=282971&action=edit xorg server log i have 3 display setup (dvi, dp, hdmi), displays on dp and hdmi are 10bit displays, if i turn on deepcolor option on amdgpu driver, hdmi display got wrong refresh rate (looks too low), display supported 1920x1200@60 mode, in xorg.log we can see what it detected properly, but instead of this display got like 40hz, and turn black with out of range error, i have played a bit with modes, and found what mode "xrandr --newmode "1920x1200_73.48" 240.00 1920 2064 2264 2608 1200 1203 1209 1254 -hsync +vsync" works, display also warns about out of range mode (58.7hz), but actually works, NOTE: this all happens only if deepcolor driver option is turned on. -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
