Am 2014-06-27 21:51, schrieb Martin Kepplinger: > Am 2014-06-27 20:09, schrieb Martin Kepplinger: >> Am 2014-06-27 17:14, schrieb Zhang Rui: >>> On Mon, 2014-06-23 at 16:46 +0200, Martin Kepplinger wrote: >>>> Am 2014-06-23 15:14, schrieb Zhang Rui: >>>>> On Mon, 2014-06-23 at 14:22 +0200, Martin Kepplinger wrote: >>>>>> Am 2014-06-23 03:10, schrieb Zhang, Rui: >>>>>>> >>>>>>> >>>>>>>> -----Original Message----- >>>>>>>> From: Martin Kepplinger [mailto:martink@xxxxxxxxx] >>>>>>>> Sent: Sunday, June 22, 2014 10:25 PM >>>>>>>> To: Zhang, Rui >>>>>>>> Cc: rjw@xxxxxxxxxxxxx; lenb@xxxxxxxxxx; linux-acpi@xxxxxxxxxxxxxxx; >>>>>>>> linux-kernel@xxxxxxxxxxxxxxx >>>>>>>> Subject: [BUG] rc1 and rc2: Laptop unusable: on boot,screen black >>>>>>>> instead of native resolution >>>>>>>> Importance: High >>>>>>>> >>>>>>>> Since 3.16-rc1 my laptop's just goes black while booting, instead of >>>>>>>> switching to native screen resolution and showing me the starting >>>>>>>> system there. It's an Acer TravelMate B113 with i915 driver and >>>>>>>> acer_wmi. It stays black and is unusable. >>>>>>>> >>>>> This looks like a duplicate of >>>>> https://bugzilla.kernel.org/show_bug.cgi?id=78601 >>>>> >>>>> thanks, >>>>> rui >>>> I'm not sure about that. I have no problem with v3.15 and the screen >>>> goes black way before a display manager is started. It's right after the >>>> kernel loaded and usually the screen is set to native resolution. >>>> >>>> Bisect told me aaeb2554337217dfa4eac2fcc90da7be540b9a73 as the first bad >>>> one. Although, checking that out and running it, works good. not sure if >>>> that makes sense. >>>> >>> could you please check if the comment in >>> https://bugzilla.kernel.org/show_bug.cgi?id=78601#c5 solves your problem >>> or not? >>> >>> thanks, >>> rui >> >> thanks for checking. This does not change anything though. I tested the >> following on top of v3.16-rc2 and linus's tree as of today, almost -rc3. >> >> --- >> drivers/gpu/drm/i915/intel_fbdev.c | 1 - >> 1 file changed, 1 deletion(-) >> >> diff --git a/drivers/gpu/drm/i915/intel_fbdev.c >> b/drivers/gpu/drm/i915/intel_fbdev.c >> index 088fe93..1e2f9ae 100644 >> --- a/drivers/gpu/drm/i915/intel_fbdev.c >> +++ b/drivers/gpu/drm/i915/intel_fbdev.c >> @@ -453,7 +453,6 @@ out: >> } >> >> static struct drm_fb_helper_funcs intel_fb_helper_funcs = { >> - .initial_config = intel_fb_initial_config, >> .gamma_set = intel_crtc_fb_gamma_set, >> .gamma_get = intel_crtc_fb_gamma_get, >> .fb_probe = intelfb_create, >> > > I also tested the following patch from > http://lists.freedesktop.org/archives/intel-gfx/2014-June/047981.html > now, with no results. No change in my case :( > > diff --git a/drivers/gpu/drm/i915/intel_display.c > b/drivers/gpu/drm/i915/intel_display.c > index efd3cf5..5aee08e 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -11087,6 +11087,22 @@ const char *intel_output_name(int output) > return names[output]; > } > > +static bool intel_crt_present(struct drm_device *dev) > +{ > + struct drm_i915_private *dev_priv = dev->dev_private; > + > + if (IS_ULT(dev)) > + return false; > + > + if (IS_CHERRYVIEW(dev)) > + return false; > + > + if (IS_VALLEYVIEW(dev) && !dev_priv->vbt.int_crt_support) > + return false; > + > + return true; > +} > + > static void intel_setup_outputs(struct drm_device *dev) > { > struct drm_i915_private *dev_priv = dev->dev_private; > @@ -11095,7 +11111,7 @@ static void intel_setup_outputs(struct > drm_device *dev) > > intel_lvds_init(dev); > > - if (!IS_ULT(dev) && !IS_CHERRYVIEW(dev) && > dev_priv->vbt.int_crt_support) > + if (intel_crt_present(dev)) > intel_crt_init(dev); > > if (HAS_DDI(dev)) { > I'm on i686 and also the following from https://bugzilla.redhat.com/show_bug.cgi?id=1110968#c16 does not help :( this is bad. --- arch/x86/kernel/signal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/kernel/signal.c +++ a/arch/x86/kernel/signal.c @@ -363,7 +363,7 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, /* Set up to return from userspace. */ restorer = current->mm->context.vdso + - selected_vdso32->sym___kernel_sigreturn; + selected_vdso32->sym___kernel_rt_sigreturn; if (ksig->ka.sa.sa_flags & SA_RESTORER) restorer = ksig->ka.sa.sa_restorer; put_user_ex(restorer, &frame->pretcode); -- -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
