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Date:	Sun, 21 Dec 2014 12:23:47 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Ben Skeggs <bskeggs@...hat.com>
Cc:	David Airlie <airlied@...ux.ie>,
	Alexandre Courbot <acourbot@...dia.com>,
	Ilia Mirkin <imirkin@...m.mit.edu>,
	dri-devel@...ts.freedesktop.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] gpu: drm: nouveau: core: subdev: clock: base.c: Remove
 unused function

2014-12-21 3:46 GMT+01:00 Ben Skeggs <bskeggs@...hat.com>:
> ----- Original Message -----
>> From: "Rickard Strandqvist" <rickard_strandqvist@...ctrumdigital.se>
>> To: "David Airlie" <airlied@...ux.ie>, "Ben Skeggs" <bskeggs@...hat.com>
>> Cc: "Rickard Strandqvist" <rickard_strandqvist@...ctrumdigital.se>, "Alexandre Courbot" <acourbot@...dia.com>, "Ilia
>> Mirkin" <imirkin@...m.mit.edu>, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
>> Sent: Sunday, 21 December, 2014 2:54:16 AM
>> Subject: [PATCH] gpu: drm: nouveau: core: subdev: clock: base.c:  Remove unused function
>>
>> Remove the function nouveau_clock_astate() that is not used anywhere.
> No, don't remove this.  It's only not used because noone got around to finishing load-based reclocking yet.
>
> NVIDIA has an implementation for the GK20A in the works that uses it.
>
> Ben.
>
>>
>> This was partially found by using a static code analysis program called
>> cppcheck.
>>
>> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
>> ---
>>  drivers/gpu/drm/nouveau/core/include/subdev/clock.h |    1 -
>>  drivers/gpu/drm/nouveau/core/subdev/clock/base.c    |   10 ----------
>>  2 files changed, 11 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
>> b/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
>> index 36ed035..8577945 100644
>> --- a/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
>> +++ b/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
>> @@ -159,7 +159,6 @@ int nva3_clock_pll_calc(struct nouveau_clock *, struct
>> nvbios_pll *,
>>                       int clk, struct nouveau_pll_vals *);
>>
>>  int nouveau_clock_ustate(struct nouveau_clock *, int req, int pwr);
>> -int nouveau_clock_astate(struct nouveau_clock *, int req, int rel);
>>  int nouveau_clock_dstate(struct nouveau_clock *, int req, int rel);
>>  int nouveau_clock_tstate(struct nouveau_clock *, int req, int rel);
>>
>> diff --git a/drivers/gpu/drm/nouveau/core/subdev/clock/base.c
>> b/drivers/gpu/drm/nouveau/core/subdev/clock/base.c
>> index e51b72d..b2c852a 100644
>> --- a/drivers/gpu/drm/nouveau/core/subdev/clock/base.c
>> +++ b/drivers/gpu/drm/nouveau/core/subdev/clock/base.c
>> @@ -430,16 +430,6 @@ nouveau_clock_ustate(struct nouveau_clock *clk, int req,
>> int pwr)
>>  }
>>
>>  int
>> -nouveau_clock_astate(struct nouveau_clock *clk, int req, int rel)
>> -{
>> -     if (!rel) clk->astate  = req;
>> -     if ( rel) clk->astate += rel;
>> -     clk->astate = min(clk->astate, clk->state_nr - 1);
>> -     clk->astate = max(clk->astate, 0);
>> -     return nouveau_pstate_calc(clk, true);
>> -}
>> -
>> -int
>>  nouveau_clock_tstate(struct nouveau_clock *clk, int req, int rel)
>>  {
>>       if (!rel) clk->tstate  = req;
>> --
>> 1.7.10.4
>>


Hi

Ok, sorry.
But maybe there should be a comment on the function.

Kind regards
Rickard Strandqvist
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