On Wed, 10 Jun 2009 14:08:44 +0800 yakui_zhao <[email protected]> wrote:
> On Wed, 2009-06-10 at 06:45 +0800, Eric Anholt wrote: > > On Mon, 2009-05-11 at 10:52 +0800, yakui_zhao wrote: > > > Hi, All > > > > > > This is the patch set to add the CVT/GTF algorithm in > > > kernel space. They are based on the CVT/GTF function in xserver. > > > But the CVT/GTF algorithm in xserver is realized by using > > > float-point calculation. And the float-point calculation had > > > better be avoided in kernel space. I translate them by using > > > 32-bit integer calculation. Patch 1/2. Add the CVT algorithm . > > > The CVT function can be called to generate the required modeline > > > based on the input parameters Patch 2/2. Add the GTF algorithm > > > The GTF function can be called to generate the required modeline > > > based on the input parameters. > > > Welcome the comments. > > > > > > Best regards. > > > Yakui > > > > Is this getting hooked up to actual EDID decode so it does > > something? > Yes. > The EDID is not interpreted correctly in kernel space. For example: > sometimes there exists the standard timing in EDID. But unfortunately > the function of drm_mode_std does nothing but to get the aspect > ratio/hdisplay/vdisplay. > > If we want to add the modeline for the standard timing in EDID, we > will have to add the CVT/GTF algorithm in kernel space and then they > are called to generate the required modeline. Right. I think Eric is suggesting that you also include a patch to drm_edid.c with this patchset, so that we get the right mode list for EDIDs with standard timing blocks. Jesse ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects -- _______________________________________________ Dri-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/dri-devel
