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From: Robert Emanuele on 8 Jun 2010 16:10 On Tue, Jun 8, 2010 at 6:21 AM, Konrad Rzeszutek Wilk <konrad.wilk(a)oracle.com> wrote: > On Mon, Jun 07, 2010 at 10:19:27AM -0700, Robert Emanuele wrote: >> There are no module parameters for fbcon or broadsheetfb. >> >> On Mon, Jun 7, 2010 at 9:28 AM, Konrad Rzeszutek Wilk >> >> Are those kind of updates a limit of the broadsheet driver or fbcon? >> > >> > I thought there was an update value on how often it should redraw. Did >> > you do a modinfo on the driver? > > Please do not post your response on top. > > What I was thinking about is the delay variable: > > 1056 static struct fb_deferred_io broadsheetfb_defio = { > 1057 � � � � .delay � � � � �= HZ/4, > 1058 � � � � .deferred_io � �= broadsheetfb_dpy_deferred_io, > 1059 }; > 1060 > > > Try changing that to a higher number and seeing if that fixes your > problem. If so, you and I can work on a patch that sets a parameter > for this. > Increasing the delay value to a larger value (more updates/sec) or a smaller value (fewer updates/sec) in the broadsheet driver does not affect the screen update rate. Does the fbcon used the deferred io handler? Thanks, Rob -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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