On Fri, 29 Jul 2011 13:55:35 +0100, Ben Brewer <ben.brewer at codethink.co.uk> wrote:
> I've added a global SSC (Spread Spectrum Clock) parameter to the i915 > driver, since having SSC enabled breaks (distorts) VGA output on some > Core i5/i7 chips (see https://bugs.freedesktop.org/show_bug.cgi?id=38750). > SSC is still enabled by default so the behaviour won't change but > setting the global_use_ssc parameter will turn this feature off and > allow affected devices to function correctly (notably the Dell Vostro > 3300). The question I have is why is SSC enabled on the VGA output at all? I don't see any way VGA could ever tolerate it. -- keith.packard at intel.com -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20110729/42c5df87/attachment.pgp>
