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Subject: Re: [patch added to the 3.12 stable tree] drm/i915: Restore lost DPLL
 register write on gen2-4
To: Luis Henriques <luis.henriques@canonical.com>
References: <1447070198-11171-1-git-send-email-jslaby@suse.cz>
 <1447070198-11171-3-git-send-email-jslaby@suse.cz>
 <20151111222515.GA15443@charon>
Cc: stable@vger.kernel.org,
	=?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= <ville.syrjala@linux.intel.com>,
	Nick Bowler <nbowler@draconx.ca>,
	Jani Nikula <jani.nikula@intel.com>
From: Jiri Slaby <jslaby@suse.cz>
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Date: Thu, 12 Nov 2015 14:10:34 +0100
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On 11/11/2015, 11:25 PM, Luis Henriques wrote:
>> --- a/drivers/gpu/drm/i915/intel_display.c
>> +++ b/drivers/gpu/drm/i915/intel_display.c
>> @@ -1379,6 +1379,8 @@ static void i9xx_enable_pll(struct intel_crtc *crtc)
>>  
>>  	I915_WRITE(reg, dpll);
>>  
>> +	I915_WRITE(reg, dpll);
>> +
> 
> I don't think 3.12 actually needs this patch as it does not contain
> commit 1c4e02746147, which deleted the I915_WRITE().

Oh yeah. Now dropped. Thanks!

-- 
js
suse labs