On 19 Jan 2012, at 17:25, Daniel Vetter wrote: > On Thu, Jan 19, 2012 at 05:22:56PM +0000, Glen Gray wrote: >> >> On 18 Jan 2012, at 12:41, Daniel Vetter wrote: >> >>> On Wed, Jan 18, 2012 at 12:27:49PM +0000, Chris Wilson wrote: >>>> On Wed, 18 Jan 2012 13:04:43 +0100, Daniel Vetter <daniel at ffwll.ch> wrote: >>>>> On Wed, Jan 18, 2012 at 10:37:24AM +0000, Chris Wilson wrote: >>>>>> On Wed, 18 Jan 2012 14:45:51 +1100, Daniel Stone <daniel at fooishbar.org> wrote: >>>>>>> Does what it says on the box. >>>>>> >>>>>> Danvet can you please test this on your elderly i810 box and make sure >>>>>> we don't accidentally open the can of worms. Any sign of regressions? >>>>> >>>>> Why don't we just rip it out entirely? If a bored soul ever ports this >>>>> driver to kms we likely just need to reimplement proper accel with sna, so >>>>> I don't think there's much value. >>>> >>>> If we did rip it out, what happens? The X server uses the vesa driver, >>>> which is equivalent to i810 for modesetting, no 3d support, no overlays, >>>> and no accelerated blits (which is dying anyway). Am I right in thinking >>>> that after removal of XAA, the legacy i810 offers no more functionality >>>> or performance than is available through VESA? >>> >>> Afaict we're still have left >>> - dri1 for glxgears >>> - Xv for video, even XvMC might still work >>> - modesettting, the driver only uses vesa to grab the edid, but does all >>> the modesetting with direct vga register banging. Yep, I'm running my >>> i815 on a 1920x1080 screen, pretty sure that mode isn't in the vesa >>> bios. >> >> Being responsible for thousands of boxes with i855 chips, deployed >> across the world, I'm nervous about these discussions. We typically run >> at resolutions of 1360x768 and use XVideo for IPTV playback. Admittedly >> these devices will be EOL at some point, but the longer I can keep them >> updated software wise the happier I'll be. >> >> On my todo list is to test the latest and greatest releases with sna >> enabled on those devices. -- > > These discussions are about the i81x, _not_ any later gen2 device. Afaics > I'm about the only serious user of that stuff left, at least concering the > use of the latest and greatest upstream code ... Understood, I just parsed it to read i8xx. -- Glen Gray <slaine at slaine.org>
