Messages in this thread | | | Date | Thu, 1 Dec 2011 21:29:10 +0100 | From | Kristoffer Ericson <> | Subject | Re: GMA500 support |
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On Wed, Nov 23, 2011 at 11:28:47AM +0000, Alan Cox wrote: > On Mon, 21 Nov 2011 19:29:10 +0100 > Kristoffer Ericson <kristoffer.ericson@gmail.com> wrote: > > > Greetings, > > > > Im syncing my gma500 tree to all the patches I see pass through the kernel mailinglist and > > its progressing well. > > However, It would be nice with an todo list or a more practical this-works list. I know > > its not a priority but would simplify alot for end users. > > If you configure it in the following should work on GMA500/600 > - internal laptop displays including backlight > - external svga > - mode setting via KMS > - framebuffer console > - the framebuffer X server (and once out generally Dave Airlie's generic > KMS X server) > - suspend/resume > > The following I know don't work > - Huge external displays so large they won't fit in 8MB at init time > (causes a crash) > - Using the vesa X server with it - this confuses stuff and isn't > fixable, it's a "wrong user configuration" > > Unsupported > - 2D hardware acceleration except console scrolling (as it seems to be > too slow to be useful). I may add some 2D bits later where they do help > (eg back to front blitting may be worth it just about) > - 3D engine (no public documentation)
I understand that the chip is powerv SGX 535, any likelyhood of getting those datasheets opened by the company?
> - Video playback acceleration. In theory there is enough info in the > VAAPI code for GMA500/600 that has been published and in the old > 'binary X/source kernel' driver to do this but someone will have to > work on it if they want it > - Dell Mini HDMI port. This seems to be some kind of external bridge > chip. Being a TV luddite I don't yet own an HDMI capable display to > test. > > And I'm sure we have a few bugs left ! > > Alan
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