I've installed firmware-linux-nonfree, but no results. Still old bugs

(
dmesg | grep "radeon"
[ 6.332943] [drm] radeon kernel modesetting enabled.
[ 6.333159] radeon 0000:01:05.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
[ 6.333787] radeon 0000:01:05.0: VRAM: 128M 0x00000000B8000000 - 0x00000000BFFFFFFF (128M used)
[ 6.333790] radeon 0000:01:05.0: GTT: 512M 0x0000000080000000 - 0x000000009FFFFFFF
[ 6.333830] [drm] radeon: irq initialized.
[ 6.334248] [drm] radeon: 128M of VRAM memory ready
[ 6.334250] [drm] radeon: 512M of GTT memory ready.
[ 6.339659] [drm] radeon: 1 quad pipes, 1 z pipes initialized.
[ 6.347249] radeon 0000:01:05.0: WB enabled
[ 6.767582] [drm] radeon: ring at 0x0000000080001000
[ 6.767761] [drm] radeon: ib pool ready.
[ 6.829813] radeon 0000:01:05.0: HDMI-A-1: EDID block 0 invalid.
[ 7.076790] radeon 0000:01:05.0: HDMI-A-1: EDID block 0 invalid.
[ 7.076793] [drm:radeon_dvi_detect] *ERROR* HDMI-A-1: probed a monitor but no|invalid EDID
[ 7.076828] [drm:radeon_dvi_detect] *ERROR* HDMI-A-1: detected RS690 floating bus bug, stopping ddc detect
[ 7.140139] fbcon: radeondrmfb (fb0) is primary device
[ 7.160929] fb0: radeondrmfb frame buffer device
[ 7.160937] [drm] Initialized radeon 2.10.0 20080528 for 0000:01:05.0 on minor 0