[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [Qemu-devel] [RFC PATCH] vga: Start supporting resolution not multiple of 16 correctly.
Il 25/09/2013 18:12, Pasi Kärkkäinen ha scritto: On Sun, Jul 28, 2013 at 05:56:01PM +0100, Frediano Ziglio wrote:2013/7/23 Gerd Hoffmann <[1]kraxel@xxxxxxxxxx> Â Hi, > Tested-by: Fabio Fantoni <[2]fabio.fantoni@xxxxxxx> > > I tested it for a long time with spice on xen (because qxl will be fully > working only after adding SSE support on hvm domUs). It works, I think > it is good to add this and the respective vgabios patch on upstream. >> Â Â Â Â Â case VBE_DISPI_INDEX_XRES: >> - Â Â Â Â Â Â if ((val <= VBE_DISPI_MAX_XRES) && ((val & 7) == 0)) { >> + Â Â Â Â Â Â if ((val <= VBE_DISPI_MAX_XRES) && ((val & 1) == 0)) { >> Â Â Â Â Â Â Â Â Â s->vbe_regs[s->vbe_index] = val; >> Â Â Â Â Â Â Â } >> Â Â Â Â Â Â Â break; It's not that simple. Â With 32bit depths common today it will work fine, but for lower depths (especially those lower than 8bit) this will give you broken scanline alignment. cheers, Â Gerd In the card I tested the scanline is keep aligned but for this reason is not directly computed by maxx * bits but is something bigger.Hmm.. so is an update needed for this patch? It'd be nice to get this patch in! PingSome statistics for evidence the importance to add support for 1366x768 and other resolutions: http://www.rapidtables.com/web/dev/screen-resolution-statistics.htm http://www.geek.com/chips/most-popular-screen-resolution-increases-to-1366-x-768-1482311/ -- PasiFrediano_______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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