Still black screen. Cannot get the log from /var/log and cannot connect the pc through net. So I didn't get the log. Sorry for that.
Thanks, Hui On Thu, Dec 16, 2010 at 18:10, Chris Wilson <ch...@chris-wilson.co.uk> wrote: > On Thu, 16 Dec 2010 10:20:57 +0800, Hui Zhu <teawa...@gmail.com> wrote: >> On Wed, Dec 15, 2010 at 18:20, Chris Wilson <ch...@chris-wilson.co.uk> wrote: >> > On Wed, 15 Dec 2010 17:28:45 +0800, Hui Zhu <teawa...@gmail.com> wrote: >> >> lspci | grep Display >> >> 00:02.1 Display controller: Intel Corporation 82Q35 Express Integrated >> >> Graphics Controller (rev 02) >> > >> > Q35. I wasn't expecting that. Can you please add drm.debug=0xe to your >> > boot line and attach the dmesg from rc3 and rc5? Thanks. >> > -Chris >> > >> > -- >> > Chris Wilson, Intel Open Source Technology Centre >> > >> >> Thanks Chris. >> >> I post the logs of rc3+, rc4+ and rc5+ in attchement. Wish they can >> be more helpful. > > The hotplug probe was failing. The only change along that path I could see > was to setting some hotplug flags in the analag adapter register. Can you > try this patch to see if it fixes things for you? Meanwhile I'll check the > docs for the validity of those flags for the various gen. > > diff --git a/drivers/gpu/drm/i915/intel_crt.c > b/drivers/gpu/drm/i915/intel_crt.c > index 8df5743..14c276e 100644 > --- a/drivers/gpu/drm/i915/intel_crt.c > +++ b/drivers/gpu/drm/i915/intel_crt.c > @@ -148,7 +148,9 @@ static void intel_crt_mode_set(struct drm_encoder > *encoder, > dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK); > } > > - adpa = ADPA_HOTPLUG_BITS; > + adpa = 0; > + if (INTEL_INFO(dev)->gen >= 4) > + adpa |= ADPA_HOTPLUG_BITS; > if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) > adpa |= ADPA_HSYNC_ACTIVE_HIGH; > if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) > > -- > Chris Wilson, Intel Open Source Technology Centre > _______________________________________________ stable mailing list stable@linux.kernel.org http://linux.kernel.org/mailman/listinfo/stable