[CentOS] CentOS 7 and 4K display

[Jerry Geis]

| What is your graphics card model?
NVIDIA Corporation GK208 [GeForce GT 720] This does 4K

| Which driver are you using?
I am using the NOUVEAU at this time

| What connector are you using (DVI, Display Port, HDMI)?
HDMI

| Does it work at 4k with Gnome, or KDE?
Yes has worked under Gnome

The /var/log/X log file shows it present from the monitor.
 grep 3840 /var/log/Xorg.0.log
[     6.540] (II) NOUVEAU(0): h_active: 3840  h_sync: 3888  h_sync_end 3920
h_blank_end 4000 h_border: 0
[     6.540] (II) NOUVEAU(0): h_active: 3840  h_sync: 4016  h_sync_end 4104
h_blank_end 4400 h_border: 0
[     6.996] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  533.25  3840 3888
3920 4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[     6.996] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  297.00  3840 4016
4104 4400  2160 2168 2178 2250 +hsync -vsync (67.5 kHz e)
[     7.104] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  533.25  3840 3888
3920 4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[     7.104] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  297.00  3840 4016
4104 4400  2160 2168 2178 2250 +hsync -vsync (67.5 kHz e)
[     8.290] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  533.25  3840 3888
3920 4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[     8.290] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  297.00  3840 4016
4104 4400  2160 2168 2178 2250 +hsync -vsync (67.5 kHz e)
[    11.932] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  533.25  3840 3888
3920 4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[    11.932] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  297.00  3840 4016
4104 4400  2160 2168 2178 2250 +hsync -vsync (67.5 kHz e)
[    13.939] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  533.25  3840 3888
3920 4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[    13.939] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  297.00  3840 4016
4104 4400  2160 2168 2178 2250 +hsync -vsync (67.5 kHz e)
[    14.076] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  533.25  3840 3888
3920 4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[    14.076] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  297.00  3840 4016
4104 4400  2160 2168 2178 2250 +hsync -vsync (67.5 kHz e)
[    14.212] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  533.25  3840 3888
3920 4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[    14.212] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  297.00  3840 4016
4104 4400  2160 2168 2178 2250 +hsync -vsync (67.5 kHz e)
[    14.349] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  533.25  3840 3888
3920 4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[    14.349] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  297.00  3840 4016
4104 4400  2160 2168 2178 2250 +hsync -vsync (67.5 kHz e)
[    14.624] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  533.25  3840 3888
3920 4000  2160 2163 2168 2222 +hsync -vsync (133.3 kHz eP)
[    14.624] (II) NOUVEAU(0): Modeline "3840x2160"x0.0  297.00  3840 4016
4104 4400  2160 2168 2178 2250 +hsync -vsync (67.5 kHz e)

I find no errors throwing out the mode.

Thanks,

Jerry