https://bugs.freedesktop.org/show_bug.cgi?id=87061
Xavier Bachelot <[email protected]> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |[email protected] --- Comment #5 from Xavier Bachelot <[email protected]> --- I think what happens is the following : the initial resolution is set to 1600x1200@75Hz, which exceed the memory bandwidth limit. When xrandr set the resolution, it set the mode to 1600x1200 @60Hz, which does not exceed the bandwidth. The 1600x1200@75 mode is validated in iga1_crtc_mode_fixup by ViaFirstCRTCModeValid, but then rejected by the later bandwidth check. One would expect it then fallback to the next available mode in the EDID, that is 1600x1200@60, but it seems that doesn't happen. I'll try to dig more to understand what happens, but I'm stuck for now. -- You are receiving this mail because: You are the assignee for the bug.
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