linux-kernel - Re: [PATCH-next v3] drm/amdgpu: Cleanup shift coding style

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Message-ID: <CADnq5_OCL7x7-m5y1RYwmFxH7XVssX_FK_59UmEiAK9thtLMQw@mail.gmail.com>
Date: Fri, 8 Nov 2024 10:18:12 -0500
From: Alex Deucher <alexdeucher@...il.com>
To: Advait Dhamorikar <advaitdhamorikar@...il.com>
Cc: alexander.deucher@....com, christian.koenig@....com, Xinhui.Pan@....com, 
	airlied@...il.com, simona@...ll.ch, leo.liu@....com, 
	sathishkumar.sundararaju@....com, saleemkhan.jamadar@....com, 
	sonny.jiang@....com, amd-gfx@...ts.freedesktop.org, 
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	skhan@...uxfoundation.org, anupnewsmail@...il.com
Subject: Re: [PATCH-next v3] drm/amdgpu: Cleanup shift coding style

Applied.  Thanks!  Sorry for the delay.

Alex

On Fri, Nov 8, 2024 at 10:11 AM Advait Dhamorikar
<advaitdhamorikar@...il.com> wrote:
>
> Hello,
>
> I have addressed the previous comments,
> Is there something more that I need to address in this version of the patch?
> I would appreciate feedback.
>
> Best regards,
> Advait
>
> On Wed, 9 Oct 2024 at 00:46, Advait Dhamorikar
> <advaitdhamorikar@...il.com> wrote:
> >
> > Improves the coding style by updating bit-shift
> > operations in the amdgpu_jpeg.c driver file.
> > It ensures consistency and avoids potential issues
> > by explicitly using 1U and 1ULL for unsigned
> > and unsigned long long shifts in all relevant instances.
> >
> >
> > Signed-off-by: Advait Dhamorikar <advaitdhamorikar@...il.com>
> > ---
> > v1->v2: address review comments
> > https://lore.kernel.org/lkml/CAJ7bepJrm9tJJMSZXz0B_94y8817X4oFpwnrTmUHeagOFgVL7g@mail.gmail.com/
> > v2->v3: update changelog and add additional 1U cleanups
> > https://lore.kernel.org/lkml/CADnq5_OgZvTgUDvDqDikoUh28jTRm2mOAVV6zAEtWE9RHTFkyA@mail.gmail.com/
> >
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c | 10 +++++-----
> >  1 file changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c
> > index 95e2796919fc..995bc28b4fe6 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c
> > @@ -47,7 +47,7 @@ int amdgpu_jpeg_sw_init(struct amdgpu_device *adev)
> >                 adev->jpeg.indirect_sram = true;
> >
> >         for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
> > -               if (adev->jpeg.harvest_config & (1 << i))
> > +               if (adev->jpeg.harvest_config & (1U << i))
> >                         continue;
> >
> >                 if (adev->jpeg.indirect_sram) {
> > @@ -73,7 +73,7 @@ int amdgpu_jpeg_sw_fini(struct amdgpu_device *adev)
> >         int i, j;
> >
> >         for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
> > -               if (adev->jpeg.harvest_config & (1 << i))
> > +               if (adev->jpeg.harvest_config & (1U << i))
> >                         continue;
> >
> >                 amdgpu_bo_free_kernel(
> > @@ -110,7 +110,7 @@ static void amdgpu_jpeg_idle_work_handler(struct work_struct *work)
> >         unsigned int i, j;
> >
> >         for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
> > -               if (adev->jpeg.harvest_config & (1 << i))
> > +               if (adev->jpeg.harvest_config & (1U << i))
> >                         continue;
> >
> >                 for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j)
> > @@ -357,7 +357,7 @@ static int amdgpu_debugfs_jpeg_sched_mask_set(void *data, u64 val)
> >         if (!adev)
> >                 return -ENODEV;
> >
> > -       mask = (1 << (adev->jpeg.num_jpeg_inst * adev->jpeg.num_jpeg_rings)) - 1;
> > +       mask = (1ULL << (adev->jpeg.num_jpeg_inst * adev->jpeg.num_jpeg_rings)) - 1;
> >         if ((val & mask) == 0)
> >                 return -EINVAL;
> >
> > @@ -388,7 +388,7 @@ static int amdgpu_debugfs_jpeg_sched_mask_get(void *data, u64 *val)
> >                 for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
> >                         ring = &adev->jpeg.inst[i].ring_dec[j];
> >                         if (ring->sched.ready)
> > -                               mask |= 1 << ((i * adev->jpeg.num_jpeg_rings) + j);
> > +                               mask |= 1ULL << ((i * adev->jpeg.num_jpeg_rings) + j);
> >                 }
> >         }
> >         *val = mask;
> > --
> > 2.34.1
> >