[Intel-gfx] [PATCH 1/2] drm/i915/overlay: Fix active retire callback alignment

[Ville Syrjälä]

On Thu, Apr 29, 2021 at 07:31:43PM +0300, Ville Syrjälä wrote:
> On Thu, Apr 29, 2021 at 09:35:29AM +0100, Tvrtko Ursulin wrote:
> > From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> > 
> > __i915_active_call annotation is required on the retire callback to ensure
> > correct function alignment.
> > 
> > Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> > Fixes: a21ce8ad12d2 ("drm/i915/overlay: Switch to using i915_active tracking")
> > Cc: Chris Wilson <chris at chris-wilson.co.uk>
> > Cc: Matthew Auld <matthew.auld at intel.com>
> > ---
> >  drivers/gpu/drm/i915/display/intel_overlay.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c
> > index fffbde4256db..428819ba18dd 100644
> > --- a/drivers/gpu/drm/i915/display/intel_overlay.c
> > +++ b/drivers/gpu/drm/i915/display/intel_overlay.c
> > @@ -383,7 +383,7 @@ static void intel_overlay_off_tail(struct intel_overlay *overlay)
> >  		i830_overlay_clock_gating(dev_priv, true);
> >  }
> >  
> > -static void
> > +__i915_active_call static void
> 
> Am I blind or are we just packing flag bits into a pointer, passing
> that to a function, and then immediately unpack the bits again in
> said function? Why not just pass the flags explicitly?
> 
> Looks like you missed auto_retire()?

Ah, just saw the other patch from Stéphane.

For the series:
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> 
> >  intel_overlay_last_flip_retire(struct i915_active *active)
> >  {
> >  	struct intel_overlay *overlay =
> > -- 
> > 2.30.2
> > 
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> 
> -- 
> Ville Syrjälä
> Intel
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-- 
Ville Syrjälä
Intel