On Mon, 28 Nov 2011 18:48:04 -0800, "Keith Packard" <keithp at keithp.com> wrote: Non-text part: multipart/mixed Non-text part: multipart/signed > > Just reading through vol1c.4 of the bspec this evening and found something odd. > > Bit 11 of MI_MODE is "Invalidate UHPTR enable". > Bit 12 of MI_MODE is "MI_FLUSH Enable" > > And, yet, in i915_reg.h: > > #define MI_MODE 0x0209c > # define VS_TIMER_DISPATCH (1 << 6) > # define MI_FLUSH_ENABLE (1 << 11) > > Are we off-by-one on MI_FLUSH_ENABLE? Seems like this would cause > serious problems... I think we are. On the other hand, based on actual behavior plus reading of simulator, I believe that the bit does nothing, regardless. -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 197 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/intel-gfx/attachments/20111129/9d2b3dca/attachment.pgp>
