On Sun, Mar 17, 2019 at 06:25:02AM +0800, Yifeng Li wrote: > On a Thinkpad s30 (Pentium III / i440MX, Lynx3DM), blanking the display > or starting the X server will crash and freeze the system, or garble the > display. > > Experiments showed this problem can mostly be solved by adjusting the > order of register writes. Also, sm712fb failed to consider the difference > of clock frequency when unblanking the display, and programs the clock for > SM712 to SM720. > > Fix them by adjusting the order of register writes, and adding an > additional check for SM720 for programming the clock frequency. > > Signed-off-by: Yifeng Li <tomli@xxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx # v4.4+ Tested-by: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx> -- Regards Sudip
