Messages in this thread | | | Date | Sun, 31 Mar 2019 13:20:28 +0100 | From | Sudip Mukherjee <> | Subject | Re: [PATCH 6/8] fbdev: sm712fb: fix crashes and garbled display during DPMS modesetting. |
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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@tomli.me> > Cc: stable@vger.kernel.org # v4.4+
Tested-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
-- Regards Sudip
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