Re: [PATCH v1 3/6] drm/panfrost: Unify panfrost_mmu_enable/disable common code

[Ariel D'Alessandro]

Boris,

On 3/11/25 4:51 AM, Boris Brezillon wrote:
> On Mon, 10 Mar 2025 16:59:18 -0300
> Ariel D'Alessandro <ariel.dalessandro@xxxxxxxxxxxxx> wrote:
>
> > Both these functions write to MMU_AS_CONTROL register in the same way.
> > Define a common _panfrost_mmu_as_control_write function with the shared
> > code.
> >
> > Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@xxxxxxxxxxxxx>
> > ---
> >   drivers/gpu/drm/panfrost/panfrost_mmu.c | 33 ++++++++++++-------------
> >   1 file changed, 16 insertions(+), 17 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
> > index 294f86b3c25e7..31df3a96f89bd 100644
> > --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
> > +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
> > @@ -121,38 +121,37 @@ static int mmu_hw_do_operation(struct panfrost_device *pfdev,
> >   	return ret;
> >   }
> >   
> > -static void panfrost_mmu_enable(struct panfrost_device *pfdev, struct panfrost_mmu *mmu)
> > +static void
> > +_panfrost_mmu_as_control_write(struct panfrost_device *pfdev, u32 as_nr,
> > +			       u64 transtab, u64 memattr)
>
> I'm honestly not convinced this is needed. Let's just stick to
> panfrost_mmu_enable/disable().

Ok, will drop in v2.

Thanks!

--
Ariel D'Alessandro
Software Engineer

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