radeon 4580 again

[starikarp at dismail.de]

Hi!

I try to do with black screen on iMac 11,1 with Radeon 4850 and I tried
to used drives from kernel and ati-legacy drivers. It came the black
screen again and I got in logs also:

**************
kernel: info: [drm] Radeon Display Connectors
Jan 18 14:40:43 lumiwa kernel: info: [drm] Connector 0:
Jan 18 14:40:43 lumiwa kernel: info: [drm]   DP-1
Jan 18 14:40:43 lumiwa kernel: info: [drm]   HPD2
Jan 18 14:40:43 lumiwa kernel: info: [drm]   DDC: 0x7e60 0x7e60 0x7e64 0x7e64 0x7e68 0x7e68 0x7e6c 0x7e6c
Jan 18 14:40:43 lumiwa kernel: info: [drm]   Encoders:
Jan 18 14:40:43 lumiwa kernel: info: [drm]     DFP1: INTERNAL_UNIPHY
Jan 18 14:40:43 lumiwa kernel: info: [drm] Connector 1:
Jan 18 14:40:43 lumiwa kernel: info: [drm]   eDP-1
Jan 18 14:40:43 lumiwa kernel: info: [drm]   HPD3
Jan 18 14:40:43 lumiwa kernel: info: [drm]   DDC: 0x7e20 0x7e20 0x7e24 0x7e24 0x7e28 0x7e28 0x7e2c 0x7e2c
Jan 18 14:40:43 lumiwa kernel: info: [drm]   Encoders:
Jan 18 14:40:43 lumiwa kernel: info: [drm]     LCD1: INTERNAL_UNIPHY
Jan 18 14:40:43 lumiwa kernel: info: [drm] Connector 2:
Jan 18 14:40:43 lumiwa kernel: info: [drm]   VGA-1
Jan 18 14:40:43 lumiwa kernel: info: [drm]   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
Jan 18 14:40:43 lumiwa kernel: info: [drm]   Encoders:
Jan 18 14:40:43 lumiwa kernel: info: [drm]     CRT1: INTERNAL_KLDSCP_DAC1
Jan 18 14:40:43 lumiwa kernel: info: [drm] Special thermal controller config
Jan 18 14:40:43 lumiwa kernel: info: [drm] radeon: power management initialized
Jan 18 14:40:43 lumiwa kernel: info: [drm] Connector DP-1: get mode from tunables:
Jan 18 14:40:43 lumiwa kernel: info: [drm]   - kern.vt.fb.modes.DP-1
Jan 18 14:40:43 lumiwa kernel: info: [drm]   - kern.vt.fb.default_mode
Jan 18 14:40:43 lumiwa kernel: info: [drm] Connector eDP-1: get mode from tunables:
Jan 18 14:40:43 lumiwa kernel: info: [drm]   - kern.vt.fb.modes.eDP-1
Jan 18 14:40:43 lumiwa kernel: info: [drm]   - kern.vt.fb.default_mode
Jan 18 14:40:43 lumiwa kernel: info: [drm] Connector VGA-1: get mode from tunables:
Jan 18 14:40:43 lumiwa kernel: info: [drm]   - kern.vt.fb.modes.VGA-1
Jan 18 14:40:43 lumiwa kernel: info: [drm]   - kern.vt.fb.default_mode
Jan 18 14:40:43 lumiwa kernel: error: [drm:pid86492:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 238
Jan 18 14:40:43 lumiwa syslogd: last message repeated 1 times
Jan 18 14:40:43 lumiwa kernel: info: [drm] fb mappable at 0xC0142000
Jan 18 14:40:43 lumiwa kernel: info: [drm] vram apper at 0xC0000000
Jan 18 14:40:43 lumiwa kernel: info: [drm] size 14745600
Jan 18 14:40:43 lumiwa kernel: info: [drm] fb depth is 24
Jan 18 14:40:43 lumiwa kernel: info: [drm]    pitch is 10240
Jan 18 14:40:43 lumiwa kernel: fbd0 on drmn0
Jan 18 14:40:43 lumiwa kernel: VT: Replacing driver "efifb" with new "fb".
Jan 18 14:40:43 lumiwa kernel: info: [drm] Initialized radeon 2.29.0
20080528 for drmn0 on minor 0

Is the error related to my problem, please?

Thank you.