Messages in this thread Patch in this message | | | Date | Wed, 16 May 2007 09:52:47 +0200 | From | Schmidt Michal <> | Subject | Re: [announce] Intel announces the PowerTOP utility for Linux |
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Ondrej Zary wrote: > 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.
Michal 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) | |