Re: [PATCH] drm/i915/display/tc: Only WARN once for bogus tc port flag

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On Wed, 09 Dec 2020, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> wrote:
> On Wed, Dec 09, 2020 at 04:16:36PM -0500, Sean Paul wrote:
>> From: Sean Paul <seanpaul@xxxxxxxxxxxx>
>> 
>> No need to spam syslog/console when we can ignore/fix the flag.
>
> besides that we are calling from multiple places anyway..
>
>> 
>> Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
>
>
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

Thanks, pushed to din.

BR,
Jani.

>
>
>
>> ---
>>  drivers/gpu/drm/i915/display/intel_tc.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
>> index 4346bc1a747a..27dc2dad6809 100644
>> --- a/drivers/gpu/drm/i915/display/intel_tc.c
>> +++ b/drivers/gpu/drm/i915/display/intel_tc.c
>> @@ -262,7 +262,7 @@ static u32 tc_port_live_status_mask(struct intel_digital_port *dig_port)
>>  		mask |= BIT(TC_PORT_LEGACY);
>>  
>>  	/* The sink can be connected only in a single mode. */
>> -	if (!drm_WARN_ON(&i915->drm, hweight32(mask) > 1))
>> +	if (!drm_WARN_ON_ONCE(&i915->drm, hweight32(mask) > 1))
>>  		tc_port_fixup_legacy_flag(dig_port, mask);
>>  
>>  	return mask;
>> -- 
>> Sean Paul, Software Engineer, Google / Chromium OS
>> 
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-- 
Jani Nikula, Intel Open Source Graphics Center
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