Comment # 6
on bug 112008
from Babblebones@gmail.com
This may be useful to you! [ 4.603742] [drm:amdgpu_dm_initialize_drm_device [amdgpu]] amdgpu_dm_connector_init() [ 4.604326] [drm:dm_dp_aux_transfer [amdgpu]] Op: Read, addr: 0000, SideBand Msg: Nop, Op res: OK [ 4.604327] Body: 11 [ 4.604699] [drm:dm_dp_aux_transfer [amdgpu]] Op: Read, addr: 0000, SideBand Msg: Nop, Op res: OK [ 4.604699] Body: 11 06 84 00 01 00 00 00 00 00 00 00 00 00 00 00 [ 4.604932] [drm:dm_dp_aux_transfer [amdgpu]] Op: Read, addr: 0000, SideBand Msg: Nop, Op res: OK [ 4.604933] Body: 11 [ 4.605160] [drm:dm_dp_aux_transfer [amdgpu]] Op: Read, addr: 0200, SideBand Msg: Nop, Op res: OK [ 4.605161] Body: 41 [ 4.605393] [drm:dm_dp_aux_transfer [amdgpu]] Op: Read, addr: 0000, SideBand Msg: Nop, Op res: OK [ 4.605394] Body: 11 [ 4.605700] [drm:dm_dp_aux_transfer [amdgpu]] Op: Read, addr: 0400, SideBand Msg: Nop, Op res: OK [ 4.605700] Body: 00 00 00 00 00 00 00 00 00 [ 4.605933] [drm:dm_dp_aux_transfer [amdgpu]] Op: Read, addr: 0000, SideBand Msg: Nop, Op res: OK [ 4.605933] Body: 11 [ 4.606178] [drm:dm_dp_aux_transfer [amdgpu]] Op: Read, addr: 0409, SideBand Msg: Nop, Op res: OK [ 4.606178] Body: 00 00 00 [ 4.606218] [drm:dc_conn_log_hex_linux [amdgpu]] 11 [ 4.606257] [drm:dc_conn_log_hex_linux [amdgpu]] 06 [ 4.606296] [drm:dc_conn_log_hex_linux [amdgpu]] 84 [ 4.606334] [drm:dc_conn_log_hex_linux [amdgpu]] 00 [ 4.606372] [drm:dc_conn_log_hex_linux [amdgpu]] 01 [ 4.606410] [drm:dc_conn_log_hex_linux [amdgpu]] 00 [ 4.606447] [drm:dc_conn_log_hex_linux [amdgpu]] 00 [ 4.606485] [drm:dc_conn_log_hex_linux [amdgpu]] 00 [ 4.606522] [drm:dc_conn_log_hex_linux [amdgpu]] 00 [ 4.606560] [drm:dc_conn_log_hex_linux [amdgpu]] 00 [ 4.606597] [drm:dc_conn_log_hex_linux [amdgpu]] 00 [ 4.606635] [drm:dc_conn_log_hex_linux [amdgpu]] 00 [ 4.606672] [drm:dc_conn_log_hex_linux [amdgpu]] 00 [ 4.606710] [drm:dc_conn_log_hex_linux [amdgpu]] 00 [ 4.606748] [drm:dc_conn_log_hex_linux [amdgpu]] 00 [ 4.606786] [drm:dc_conn_log_hex_linux [amdgpu]] 00 [ 4.606825] [drm:retrieve_link_cap [amdgpu]] Rx Caps: [ 4.607189] [drm:dm_dp_aux_transfer [amdgpu]] Op: Write, addr: 0050, SideBand Msg: Nop, Op res: OK [ 4.607192] [drm:drm_dp_i2c_do_msg] I2C nack (result=0, size=0 [ 4.607559] [drm:dm_dp_aux_transfer [amdgpu]] Op: Write, addr: 0050, SideBand Msg: Nop, Op res: OK [ 4.607561] [drm:drm_dp_i2c_do_msg] I2C nack (result=0, size=0 [ 4.607925] [drm:dm_dp_aux_transfer [amdgpu]] Op: Write, addr: 0050, SideBand Msg: Nop, Op res: OK [ 4.607926] [drm:drm_dp_i2c_do_msg] I2C nack (result=0, size=0 [ 4.608290] [drm:dm_dp_aux_transfer [amdgpu]] Op: Write, addr: 0050, SideBand Msg: Nop, Op res: OK [ 4.608291] [drm:drm_dp_i2c_do_msg] I2C nack (result=0, size=0 [ 4.608661] [drm:dm_dp_aux_transfer [amdgpu]] Op: Write, addr: 0050, SideBand Msg: Nop, Op res: OK [ 4.608662] [drm:drm_dp_i2c_do_msg] I2C nack (result=0, size=0 [ 4.609021] [drm:dm_dp_aux_transfer [amdgpu]] Op: Write, addr: 0050, SideBand Msg: Nop, Op res: OK [ 4.609022] [drm:drm_dp_i2c_do_msg] I2C nack (result=0, size=0 [ 4.609381] [drm:dm_dp_aux_transfer [amdgpu]] Op: Write, addr: 0050, SideBand Msg: Nop, Op res: OK [ 4.609383] [drm:drm_dp_i2c_do_msg] I2C nack (result=0, size=0 [ 4.609741] [drm:dm_dp_aux_transfer [amdgpu]] Op: Write, addr: 0050, SideBand Msg: Nop, Op res: OK [ 4.609742] [drm:drm_dp_i2c_do_msg] I2C nack (result=0, size=0 [ 4.610189] [drm:dm_dp_aux_transfer [amdgpu]] Op: Write, addr: 0050, SideBand Msg: Nop, Op res: OK [ 4.610190] [drm:drm_dp_i2c_do_msg] I2C nack (result=0, size=0 [ 4.610549] [drm:dm_dp_aux_transfer [amdgpu]] Op: Write, addr: 0050, SideBand Msg: Nop, Op res: OK [ 4.610550] [drm:drm_dp_i2c_do_msg] I2C nack (result=0, size=0 [ 4.610587] [drm:dc_link_detect [amdgpu]] *ERROR* No EDID read. Kernel 4.19 Gentoo stock Any idea why dc_conn_log_hex_linux is so short? Other people's connectors seem to get lots of hex data over the debug drop here mine is nearly completely empty!
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