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)) { -- 1.7.10.4 -- 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
