Messages in this thread | | | Date | Wed, 16 May 2007 14:20:48 +0000 | From | Pavel Machek <> | Subject | Re: [announce] Intel announces the PowerTOP utility for Linux |
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Hi!
> >On Tuesday 15 May 2007 02:13:15 Robert Hancock wrote: > >>Looks like the radeon driver has the same problem as > >>the i915 driver > >>mentioned on the known problems page - I get 60 > >>wakeups/sec from it on > >>my Compaq X1000 laptop (Radeon 9000 graphics) while in > >>X, which > >>essentially prevents entry into C3. > > > >And Rage 128 too. > > > > I have a Radeon 7500 in my laptop. The attached hack to > disable the VBLANK interrupt works for me. I don't know > if it breaks 3D, I've only tried 2D.
Hmm, you should probably find where it is used, and only enable irq when neccessary. Disabling it always will break something.
> diff --git a/drivers/char/drm/radeon_irq.c b/drivers/char/drm/radeon_irq.c > index 3ff0baa..a990bb6 100644 > --- a/drivers/char/drm/radeon_irq.c > +++ b/drivers/char/drm/radeon_irq.c > @@ -227,9 +227,8 @@ void radeon_driver_irq_postinstall(drm_device_t * dev) > atomic_set(&dev_priv->swi_emitted, 0); > DRM_INIT_WAITQUEUE(&dev_priv->swi_queue); > > - /* Turn on SW and VBL ints */ > - RADEON_WRITE(RADEON_GEN_INT_CNTL, > - RADEON_CRTC_VBLANK_MASK | RADEON_SW_INT_ENABLE); > + /* Turn on the SW interrupt */ > + RADEON_WRITE(RADEON_GEN_INT_CNTL, RADEON_SW_INT_ENABLE); > } > > void radeon_driver_irq_uninstall(drm_device_t * dev)
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