Re: [PATCH] drm/i915/guc: Remove usage of the deprecated ida_simple_xx() API

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On Sun, Apr 14, 2024 at 10:26:35AM +0200, Christophe JAILLET wrote:
> Le 25/01/2024 à 01:04, Matthew Brost a écrit :
> > On Sun, Jan 14, 2024 at 04:15:34PM +0100, Christophe JAILLET wrote:
> > > ida_alloc() and ida_free() should be preferred to the deprecated
> > > ida_simple_get() and ida_simple_remove().
> > > 
> > > Note that the upper limit of ida_simple_get() is exclusive, but the one of
> > > ida_alloc_range() is inclusive. So a -1 has been added when needed.
> > > 
> > > Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> > 
> > Reviewed-by: Matthew Brost <matthew.brost@xxxxxxxxx>
> 
> Hi,
> 
> polite reminder ;-)
> 

Merged. Thanks for the patch.

Matt

> CJ
> 
> > 
> > > ---
> > >   drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 13 ++++++-------
> > >   1 file changed, 6 insertions(+), 7 deletions(-)
> > > 
> > > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
> > > index a259f1118c5a..73ce21ddf682 100644
> > > --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
> > > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
> > > @@ -2156,11 +2156,10 @@ static int new_guc_id(struct intel_guc *guc, struct intel_context *ce)
> > >   					      order_base_2(ce->parallel.number_children
> > >   							   + 1));
> > >   	else
> > > -		ret = ida_simple_get(&guc->submission_state.guc_ids,
> > > -				     NUMBER_MULTI_LRC_GUC_ID(guc),
> > > -				     guc->submission_state.num_guc_ids,
> > > -				     GFP_KERNEL | __GFP_RETRY_MAYFAIL |
> > > -				     __GFP_NOWARN);
> > > +		ret = ida_alloc_range(&guc->submission_state.guc_ids,
> > > +				      NUMBER_MULTI_LRC_GUC_ID(guc),
> > > +				      guc->submission_state.num_guc_ids - 1,
> > > +				      GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_NOWARN);
> > >   	if (unlikely(ret < 0))
> > >   		return ret;
> > > @@ -2183,8 +2182,8 @@ static void __release_guc_id(struct intel_guc *guc, struct intel_context *ce)
> > >   							   + 1));
> > >   		} else {
> > >   			--guc->submission_state.guc_ids_in_use;
> > > -			ida_simple_remove(&guc->submission_state.guc_ids,
> > > -					  ce->guc_id.id);
> > > +			ida_free(&guc->submission_state.guc_ids,
> > > +				 ce->guc_id.id);
> > >   		}
> > >   		clr_ctx_id_mapping(guc, ce->guc_id.id);
> > >   		set_context_guc_id_invalid(ce);
> > > -- 
> > > 2.43.0
> > > 
> > 
> > 
> 



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