here is the log in Xorg.0.log. do not see any errors at all, that are obvious to me...
(II) Module "i2c" already built-in
(II) RADEON(0): ref_freq: 1432, min_out_pll: 64800, max_out_pll: 120000, min_in_pll: 100, max_in_pll: 1350, xclk: 40000, sclk: 500.000000, mclk: 400.000000
(II) RADEON(0)...