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Groups > linux.kernel > #1330958
| From | Jani Nikula <jani.nikula@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: PROBLEM: Intel HDMI output busticated on 4.4 (regression) |
| Date | 2016-02-10 10:10 +0100 |
| Message-ID | <r0yWC-dc-15@gated-at.bofh.it> (permalink) |
| References | (6 earlier) <qVNWh-7D7-5@gated-at.bofh.it> <r0juz-6EK-47@gated-at.bofh.it> <r0jEf-6IG-31@gated-at.bofh.it> <r0jXA-76q-19@gated-at.bofh.it> <r0kTF-7Hi-25@gated-at.bofh.it> |
| Organization | Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo |
On Tue, 09 Feb 2016, Nick Bowler <nbowler@draconx.ca> wrote:
> On 2/9/16, Ville Syrjälä <ville.syrjala@linux.intel.com> wrote:
>> BTW I'm not at all convinced about the current live status bit defines
>> we have for g4x. Supposedly someone tested them and found that they
>> don't match the spec, but IIRC when I tried them on one g4x machine
>> here, they did match the spec (well, at least for the ports present
>> on that particular board).
>>
>> So something like this may or may not help:
>>
>> diff --git a/drivers/gpu/drm/i915/i915_reg.h
>> b/drivers/gpu/drm/i915/i915_reg.h
>> index 188ad5de020f..80c08016e522 100644
>> --- a/drivers/gpu/drm/i915/i915_reg.h
>> +++ b/drivers/gpu/drm/i915/i915_reg.h
>> @@ -3302,9 +3302,9 @@ enum skl_disp_power_wells {
>> * Please check the detailed lore in the commit message for for
>> experimental
>> * evidence.
>> */
>> -#define PORTD_HOTPLUG_LIVE_STATUS_G4X (1 << 29)
>> +#define PORTD_HOTPLUG_LIVE_STATUS_G4X (1 << 27)
>> #define PORTC_HOTPLUG_LIVE_STATUS_G4X (1 << 28)
>> -#define PORTB_HOTPLUG_LIVE_STATUS_G4X (1 << 27)
>> +#define PORTB_HOTPLUG_LIVE_STATUS_G4X (1 << 29)
>> /* VLV DP/HDMI bits again match Bspec */
>> #define PORTD_HOTPLUG_LIVE_STATUS_VLV (1 << 27)
>> #define PORTC_HOTPLUG_LIVE_STATUS_VLV (1 << 28)
>
> Well, I applied this on 4.5-rc3 and it seems to fix things.
Ville, please do a proper patch, using your best judgement on elk
vs. ctg difference.
BR,
Jani.
>
> Thanks,
> Nick
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Jani Nikula, Intel Open Source Technology Center
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Re: PROBLEM: Intel HDMI output busticated on 4.4 (regression) Nick Bowler <nbowler@draconx.ca> - 2016-02-09 17:40 +0100
RE: PROBLEM: Intel HDMI output busticated on 4.4 (regression) "Sharma, Shashank" <shashank.sharma@intel.com> - 2016-02-09 17:50 +0100
Re: PROBLEM: Intel HDMI output busticated on 4.4 (regression) Ville Syrjälä <ville.syrjala@linux.intel.com> - 2016-02-09 18:10 +0100
Re: PROBLEM: Intel HDMI output busticated on 4.4 (regression) Ville Syrjälä <ville.syrjala@linux.intel.com> - 2016-02-09 18:40 +0100
Re: PROBLEM: Intel HDMI output busticated on 4.4 (regression) Ville Syrjälä <ville.syrjala@linux.intel.com> - 2016-02-09 19:30 +0100
RE: PROBLEM: Intel HDMI output busticated on 4.4 (regression) "Sharma, Shashank" <shashank.sharma@intel.com> - 2016-02-10 05:50 +0100
Re: PROBLEM: Intel HDMI output busticated on 4.4 (regression) Nick Bowler <nbowler@draconx.ca> - 2016-02-09 19:10 +0100
Re: PROBLEM: Intel HDMI output busticated on 4.4 (regression) Jani Nikula <jani.nikula@linux.intel.com> - 2016-02-10 10:10 +0100
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