The frame-rate at 24Hz is extremely poor for normal desktop usage. If the highest resolution, aka 1080p, uses that refresh rate then the desktop will default to that frame-rate. Other progressive modes don't exhibit any issue. On Tue, 30 Mar 2021 at 18:26, Christian König wrote: > Hi Alberto, > > I think the driver should only support resolutions that are *progressive*, > but also at least of *50Hz*. > > > Why do you think so?, the 24Hz resolution seems to be the native one of > the display. > > Regards, > Christian. > > Am 30.03.21 um 17:37 schrieb Alberto Salvia Novella: > > This is why I'm using interlaced: > > $ *xrandr* > Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192 > DisplayPort-0 disconnected (normal left inverted right x axis y axis) > HDMI-0 connected primary 1920x1080+0+0 (normal left inverted right x axis > y axis) 16mm x 9mm > 1920x*1080i* 60.00*+ 50.00 59.94 > 1920x1080 *24.00* 23.98 > 1280x*720* 60.00 50.00 59.94 > 1024x768 75.03 70.07 60.00 > 832x624 74.55 > 800x600 72.19 75.00 60.32 56.25 > 720x576 50.00 > 720x576i 50.00 > 720x480 60.00 59.94 > 720x480i 60.00 59.94 > 640x480 75.00 72.81 66.67 60.00 59.94 > 720x400 70.08 > DVI-0 disconnected (normal left inverted right x axis y axis) > > I think the driver should only support resolutions that are *progressive*, > but also at least of *50Hz*. > > On Tue, 30 Mar 2021 at 15:41, Christian König < > ckoenig.leichtzumerken@gmail.com> wrote: > >> Mhm, no idea why an interlaced resolution would cause a crash. Maybe some >> miscalculation in the display code. >> >> But apart from that if you just connected your PC to a TV I also wouldn't >> recommend using an interlaced resolution in the first place. >> >> See those resolutions only exists for backward compatibility with analog >> hardware. >> >> I think we would just disable those modes instead of searching for the >> bug. >> >> Regards, >> Christian. >> >> Am 30.03.21 um 11:07 schrieb Alberto Salvia Novella: >> >> I guessed so. >> >> The GPU is a Radeon HD5870, and the screen is an old Telefunken TV >> (TLFK22LEDPVR1). >> >> Since my real display got into repair I used this TV meanwhile, and to my >> surprise it froze the system. >> >> On Tue, 30 Mar 2021 at 10:15, Christian König >> wrote: >> >>> Hi Alberto, >>> >>> well what hardware do you have? >>> >>> Interlaced resolutions are not used any more on modern hardware, so they >>> are not well tested. >>> >>> Regards, >>> Christian. >>> >>> Am 30.03.21 um 10:04 schrieb Alberto Salvia Novella: >>> > The entire desktop hangs after some minutes when using the module >>> > "radeon" with an interlaced resolution. >>> > >>> > Easier to trigger by playing a video on Firefox, at least on kwin_x11. >>> > Wayland didn't exhibit the problem. >>> > >>> > Other display drivers, from different computers I have tried, didn't >>> > allow those interlaced resolutions all together. It seems they know >>> > there will be problems. >>> >>> >> _______________________________________________ >> amd-gfx mailing listamd-gfx@lists.freedesktop.orghttps://lists.freedesktop.org/mailman/listinfo/amd-gfx >> >> >> >