Re: [PATCH] drm/i915: add a note about fec_enable with 128b/132b

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On Wed, 20 Sep 2023, Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> On Wed, Sep 20, 2023 at 02:29:01PM +0300, Jani Nikula wrote:
>> Add a note that fec_enable actually means FEC is to be enabled
>> explicitly. 128b/132b always has FEC enabled, the driver doesn't need to
>> enable it separately, and fec_enable will be false.
>> 
>> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
>
> Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Thanks, pushed.

BR,
Jani

>
>> ---
>>  drivers/gpu/drm/i915/display/intel_display_types.h | 7 ++++++-
>>  1 file changed, 6 insertions(+), 1 deletion(-)
>> 
>> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
>> index 3c54fe2bfddd..f781a9755a52 100644
>> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
>> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
>> @@ -1364,7 +1364,12 @@ struct intel_crtc_state {
>>  
>>  	bool enhanced_framing;
>>  
>> -	/* Forward Error correction State */
>> +	/*
>> +	 * Forward Error Correction.
>> +	 *
>> +	 * Note: This will be false for 128b/132b, which will always have FEC
>> +	 * enabled automatically.
>> +	 */
>>  	bool fec_enable;
>>  
>>  	bool sdp_split_enable;
>> -- 
>> 2.39.2

-- 
Jani Nikula, Intel




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