Re: [PATCH v2 2/6] drm/i915/display: fix comment on skl straps

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On Wed, 01 Jul 2020, Lucas De Marchi <lucas.demarchi@xxxxxxxxx> wrote:
> On Tue, Jun 30, 2020 at 06:55:38PM +0300, Jani Nikula wrote:
>>On Wed, 24 Jun 2020, Lucas De Marchi <lucas.demarchi@xxxxxxxxx> wrote:
>>> We are not checking for specific SKUs and feedback from HW team is that
>>> it may not work since it was supposed to be fixed by the same time
>>> straps stopped to be used. So, just update comment.
>>>
>>> v2: Instead of removing the check, just update the comment since
>>> feedback from HW team was that it actually may not work
>>>
>>> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
>>
>>Acked-by: Jani Nikula <jani.nikula@xxxxxxxxx>
>
> is an ack  sufficient for merging a comment-only change?

Yes, but

Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>

if you insist. ;)

>
> Lucas De Marchi
>
>>
>>> ---
>>>  drivers/gpu/drm/i915/display/intel_display.c | 5 +++--
>>>  1 file changed, 3 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
>>> index 49772c82a299..effd6b65f270 100644
>>> --- a/drivers/gpu/drm/i915/display/intel_display.c
>>> +++ b/drivers/gpu/drm/i915/display/intel_display.c
>>> @@ -16863,8 +16863,9 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
>>>
>>>  		/*
>>>  		 * Haswell uses DDI functions to detect digital outputs.
>>> -		 * On SKL pre-D0 the strap isn't connected, so we assume
>>> -		 * it's there.
>>> +		 * On SKL pre-D0 the strap isn't connected. Later SKUs may or
>>> +		 * may not have it - it was supposed to be fixed by the same
>>> +		 * time we stopped using straps. Assume it's there.
>>>  		 */
>>>  		found = intel_de_read(dev_priv, DDI_BUF_CTL(PORT_A)) & DDI_INIT_DISPLAY_DETECTED;
>>>  		/* WaIgnoreDDIAStrap: skl */
>>
>>-- 
>>Jani Nikula, Intel Open Source Graphics Center

-- 
Jani Nikula, Intel Open Source Graphics Center
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