Messages in this thread | | | Date | Fri, 6 Nov 2009 13:57:22 -0800 | From | Jesse Barnes <> | Subject | Re: [resend] i915: high power consumption after suspend/resume |
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On Fri, 6 Nov 2009 15:25:26 -0500 Andrew Lutomirski <luto@mit.edu> wrote: > Here's what the docs say: > > > 2030, 2034: ring buffer head/tail > 2074: Active head pointer register > 20AC: Interrupt Status Register (ISR) > 2218: Reserved > 2358, 235C: TIMESTAMP > > 1xxxx: MCHBAR aperture > > 61110: PORT_HOTPLU_EN > 61114: PORT_HOTPLU_STAT > 61170: UDI_IF_CTL (UDI InfoFrame Control) > > 61260: BLM_HIST_CTL (Image BLM Histogram Control Register) > > 620B4: Reserved (for High Definition?) > > 71000: PIPEB_DSL (Pipe B Display Scan Line Count) > 71040: PIPEBFRAMEH: Pipe B Frame Count High > 71048: Reserved > > Any ideas?
Thanks, that helps. It doesn't look like the documented ones would have much effect (maybe hotplug enable bits?), I'll have to look through the MCHBAR differences to see if there's anything there we should worry about.
-- Jesse Barnes, Intel Open Source Technology Center
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