Re: [PATCH 0/5] AMDGPU deadcode

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* Alex Deucher (alexdeucher@xxxxxxxxx) wrote:
> On Sun, Sep 22, 2024 at 9:43 PM <linux@xxxxxxxxxxx> wrote:
> >
> > From: "Dr. David Alan Gilbert" <linux@xxxxxxxxxxx>
> >
> > Hi,
> >   This is a bunch of deadcode removal in amdgpu;
> > some of the functions are ones which were previously
> > used but haven't been for a while, others are functions
> > that were added a few years ago and haven't ever been used.
> >
> >   There are some others that I've not removed, which have
> > been added in the last few years but not been used,
> > I was worried maybe there are patches in someones tree
> > about to use them (e.g. amdgpu_lsdma_copy_mem, amdgpu_mes_reg_wait,
> > amdgpu_ras_unbind_aca, amdgpu_seq64_alloc, and
> > amdgpu_xcp_prepare_resume) - I'd be happy to take those as
> > well.

Hi Alex,
  Thanks for taking the series, and the reply.

> There are patches in flight that make use of at least some of these.
> For example, the seq64 functions are used by the user queues patches
> which are being reviewed now.  Feel free to send out patches though if
> you are inclined.  If someone has plans to use something, they can
> bring that up in the patch review.

OK, I've made myself a note and will swing back at some point.

> >   One other thing I wasn't sure of; I removed
> > amdgpu_device_ip_is_idle
> > which has been unused since about 2016, but does that make
> > the 'is_idle' methods unused or is there something else that calls
> > them?
> 
> They've been used on and off in proposed patches over the years.  Some
> of the IP specific code may call the IP specific is idle functions
> directly rather than using the callbacks.

Do you think the 'is_idle' member itself should go?

Dave

> Alex
> 
> >
> > (Sent from this kernel booted on my RX550 GPU)
> >
> > Dave
> >
> > Dr. David Alan Gilbert (5):
> >   drm/amdgpu: Remove unused amdgpu_device_ip_is_idle
> >   drm/amdgpu: Remove unused amdgpu_atpx functions
> >   drm/amdgpu: Remove unused amdgpu_gmc_vram_cpu_pa
> >   drm/amdgpu: Remove unused amdgpu_gfx_bit_to_me_queue
> >   drm/amdgpu: Remove unused amdgpu_i2c functions
> >
> >  drivers/gpu/drm/amd/amdgpu/amdgpu.h           | 10 --------
> >  .../gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c  | 12 ---------
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c    | 24 ------------------
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c       | 10 --------
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h       |  2 --
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c       | 12 ---------
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h       |  1 -
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c       | 25 -------------------
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.h       |  4 ---
> >  9 files changed, 100 deletions(-)
> >
> > --
> > 2.46.1
> >
-- 
 -----Open up your eyes, open up your mind, open up your code -------   
/ Dr. David Alan Gilbert    |       Running GNU/Linux       | Happy  \ 
\        dave @ treblig.org |                               | In Hex /
 \ _________________________|_____ http://www.treblig.org   |_______/



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