[Intel-gfx] [PATCH 1/2] drm/i915: avoid unnecessary call to intel_hpd_pin_to_port

[Jani Nikula]

On Fri, 06 Oct 2017, Paulo Zanoni <paulo.r.zanoni at intel.com> wrote:
> Em Qui, 2017-10-05 às 14:49 -0700, Rodrigo Vivi escreveu:
>> On Thu, Oct 05, 2017 at 09:38:41PM +0000, Paulo Zanoni wrote:
>> > Don't call it when we can do like the other functions and just look
>> > at
>> > port->port. Also rename the intel_digital_port variable to make it
>> > look like the other functions.
>> 
>> what other functions?
>
> All the _digital_port_connected() functions from intel_dp.c.

Wah, I should read all of the thread before replying...

Anyway, I'd rather move away from port for struct intel_digital_port.

BR,
Jani.


>
>> 
>> Most of our functions use intel_dig_port. Also dport and less used is
>> port.
>> 
>> $ grep -r "intel_digital_port \*intel_dig_port" drivers/gpu/drm/i915/
>> | wc -l
>> 93
>> $ grep -r "intel_digital_port \*port" drivers/gpu/drm/i915/ | wc -l
>> 11
>> $ grep -r "intel_digital_port \*dport" drivers/gpu/drm/i915/ | wc -l
>> 18
>> 
>> > 
>> > My main goal here is to prevent the copy-pasters from propagating
>> > the
>> > call to other parts of the code.
>> > 
>> > Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
>> > ---
>> >  drivers/gpu/drm/i915/intel_dp.c | 9 +++------
>> >  1 file changed, 3 insertions(+), 6 deletions(-)
>> > 
>> > diff --git a/drivers/gpu/drm/i915/intel_dp.c
>> > b/drivers/gpu/drm/i915/intel_dp.c
>> > index ca48bce..6fb90fa 100644
>> > --- a/drivers/gpu/drm/i915/intel_dp.c
>> > +++ b/drivers/gpu/drm/i915/intel_dp.c
>> > @@ -4614,14 +4614,11 @@ static bool
>> > bdw_digital_port_connected(struct drm_i915_private *dev_priv,
>> >  }
>> >  
>> >  static bool bxt_digital_port_connected(struct drm_i915_private
>> > *dev_priv,
>> > -				       struct intel_digital_port
>> > *intel_dig_port)
>> > +				       struct intel_digital_port
>> > *port)
>> >  {
>> > -	struct intel_encoder *intel_encoder = &intel_dig_port-
>> > >base;
>> > -	enum port port;
>> >  	u32 bit;
>> >  
>> > -	port = intel_hpd_pin_to_port(intel_encoder->hpd_pin);
>> > -	switch (port) {
>> > +	switch (port->port) {
>> >  	case PORT_A:
>> >  		bit = BXT_DE_PORT_HP_DDIA;
>> >  		break;
>> > @@ -4632,7 +4629,7 @@ static bool bxt_digital_port_connected(struct
>> > drm_i915_private *dev_priv,
>> >  		bit = BXT_DE_PORT_HP_DDIC;
>> >  		break;
>> >  	default:
>> > -		MISSING_CASE(port);
>> > +		MISSING_CASE(port->port);
>> >  		return false;
>> >  	}
>> >  
>> > -- 
>> > 2.9.5
>> > 
>> > _______________________________________________
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>> > Intel-gfx at lists.freedesktop.org
>> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
>> 
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-- 
Jani Nikula, Intel Open Source Technology Center