On Wed, 12 Jan 2011 11:22:58 -0800 Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > On Tue, Jan 11, 2011 at 10:03 PM, Dave Airlie <airlied@xxxxxxxx> wrote: > > > > I'm stuck at home with just my i5 laptop due to the office being shut due > > to the ongoing floods. But I've booted and ran this for a few hours and it > > seems to be better than the current tree. It contains a couple of patches > > to fix DMAR interaction issues I see on this laptop on top of Chris's > > pull. > > Hmm. I'm not seeing the screensaver issue any more, but there's > something wrong with video. At least the TED ones (I'm not seeing it > on a youtube video i tried). See for example > > http://www.ted.com/talks/lang/eng/david_gallo_shows_underwater_astonishments.html > > and when there is fast movement in the video (like when the octopus is > spooked), I get these odd lines of noise. > > In fact, while I noticed the lines in the video itself, it's actually > most repeatably noticeable in the buttons underneath while the video > is playing: make your mouse go back-and-forth between the "rate" and > "share" buttons, and they get corrupted (and it also corrupts the > progress bar). > > It looks a bit like the noise you get with insufficient memory > bandwidth, but I doubt that's the case here. Perhaps just some > motion-comp problem? > > Any ideas? Since I doubt we're actually offloading to our video decode kernels for Flash video on your machine, it could very well be a memory bw issue. Can you try this small patch to see if one of the low power watermarks is giving you trouble (note: cut & pasted)? It could also be the normal power watermarks though too; you could just make plane-wm and cursor_wm higher to test that. -- Jesse Barnes, Intel Open Source Technology Center diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_d index 9ef5578..4e8af4d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3600,6 +3600,8 @@ static void ironlake_update_wm(struct drm_device *dev, if (enabled != 1) return; + return; + clock = planea_clock ? planea_clock : planeb_clock; /* WM1 */ _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
