On Thursday 19 July 2012 11:49:20 Marek Vasut wrote: > Dear Mike Frysinger, > > On Tuesday 05 June 2012 03:28:40 Anatolij Gustschin wrote: > > > On Sat, 28 Apr 2012 17:04:07 +0200 Anatolij Gustschin wrote: > > > > Data cache flushing is required for frame buffer in RAM to fix the > > > > distorted console text output. Currently this text distortion is > > > > observed with cfb on beageboard and N900 when running with data > > > > cache enabled. > > > > > > Applied to u-boot-video/master after rebasing and fixing commit log. > > > > this patch is still wrong for the reasons i cited earlier. your cache > > functions are broken, not the driver. > > The cache stuff is completely borked on ARM, I have no idea why people > enable it.
in this case, it's making it worse for other arches, and setting bad
precedents in the process
i think Simon's solution is a good middle ground:
lcd: Add support for flushing LCD fb from dcache after update
-mike
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