Re: [PATCH 07/11] drm/amdgpu/gfx6: Properly enable/disable priv_req and priv_inst interrupts

["Timur Kristóf" <timur.kristof@gmail.com>]

On 2026. július 15., szerda 12:19:40 közép-európai nyári idő Tvrtko Ursulin 
wrote:
> On 13/07/2026 14:07, Timur Kristóf wrote:
> > These were used without ever calling get()/put() on them.
> 
> > Implement it like on GFX7-8:
> Used as in how? Are they even enabled without this change and if not
> then does this patch fixes something other than being prep work for soft
> reset?

If you open gfx_v6_0.c and search for priv_reg or priv_inst, you can see that 
the interrupts are used in the same manner as gfx7 and newer, but without 
get() and put().

> 
> > * Call amdgpu_irq_get() from gfx_v6_0_late_init()
> > * Call amdgpu_irq_put() from gfx_v6_0_hw_fini()
> > 
> > Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
> > ---
> > 
> >   drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 19 +++++++++++++++++++
> >   1 file changed, 19 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
> > b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c index 5b570a4b5c01..1c7cd265fbca
> > 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
> > @@ -3131,6 +3131,22 @@ static int gfx_v6_0_early_init(struct
> > amdgpu_ip_block *ip_block)> 
> >   	return 0;
> >   
> >   }
> > 
> > +static int gfx_v6_0_late_init(struct amdgpu_ip_block *ip_block)
> > +{
> > +	struct amdgpu_device *adev = ip_block->adev;
> > +	int r;
> > +
> > +	r = amdgpu_irq_get(adev, &adev->gfx.priv_reg_irq, 0);
> > +	if (r)
> > +		return r;
> > +
> > +	r = amdgpu_irq_get(adev, &adev->gfx.priv_inst_irq, 0);
> > +	if (r)
> > +		return r;
> > +
> > +	return 0;
> > +}
> > +
> > 
> >   static int gfx_v6_0_sw_init(struct amdgpu_ip_block *ip_block)
> >   {
> >   
> >   	struct amdgpu_ring *ring;
> > 
> > @@ -3243,6 +3259,8 @@ static int gfx_v6_0_hw_fini(struct amdgpu_ip_block
> > *ip_block)> 
> >   {
> >   
> >   	struct amdgpu_device *adev = ip_block->adev;
> > 
> > +	amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0);
> > +	amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0);
> > 
> >   	gfx_v6_0_cp_enable(adev, false);
> >   	adev->gfx.rlc.funcs->stop(adev);
> >   	gfx_v6_0_fini_pg(adev);
> > 
> > @@ -3532,6 +3550,7 @@ static void gfx_v6_0_emit_mem_sync(struct
> > amdgpu_ring *ring)> 
> >   static const struct amd_ip_funcs gfx_v6_0_ip_funcs = {
> >   
> >   	.name = "gfx_v6_0",
> >   	.early_init = gfx_v6_0_early_init,
> > 
> > +	.late_init = gfx_v6_0_late_init,
> > 
> >   	.sw_init = gfx_v6_0_sw_init,
> >   	.sw_fini = gfx_v6_0_sw_fini,
> >   	.hw_init = gfx_v6_0_hw_init,