Re: [PATCH] drm/i915/psr: Comment to clarify SRD_DEBUG is called PSR_MASK SKL+

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On Tue, Mar 13, 2018 at 03:25:51PM -0700, Rodrigo Vivi wrote:
> On Mon, Mar 12, 2018 at 09:09:54PM -0700, Dhinakaran Pandiyan wrote:
> > What was called SRD_DEBUG(0x6F860) on HSW and BDW was renamed to PSR_MASK
> > SKL onwards, add a note next to the macro definition.
> > There is also a different PSR_DEBUG on SKL+ to add to the confusion.
> > 
> > Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> 
> Acked-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

and pushed. thanks.

> 
> > ---
> >  drivers/gpu/drm/i915/i915_reg.h | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> > index 23c0f9bdf591..e8a4b61397ba 100644
> > --- a/drivers/gpu/drm/i915/i915_reg.h
> > +++ b/drivers/gpu/drm/i915/i915_reg.h
> > @@ -4186,13 +4186,13 @@ enum {
> >  #define EDP_PSR_PERF_CNT		_MMIO(dev_priv->psr_mmio_base + 0x44)
> >  #define   EDP_PSR_PERF_CNT_MASK		0xffffff
> >  
> > -#define EDP_PSR_DEBUG				_MMIO(dev_priv->psr_mmio_base + 0x60)
> > +#define EDP_PSR_DEBUG				_MMIO(dev_priv->psr_mmio_base + 0x60) /* PSR_MASK on SKL+ */
> >  #define   EDP_PSR_DEBUG_MASK_MAX_SLEEP         (1<<28)
> >  #define   EDP_PSR_DEBUG_MASK_LPSP              (1<<27)
> >  #define   EDP_PSR_DEBUG_MASK_MEMUP             (1<<26)
> >  #define   EDP_PSR_DEBUG_MASK_HPD               (1<<25)
> >  #define   EDP_PSR_DEBUG_MASK_DISP_REG_WRITE    (1<<16)
> > -#define   EDP_PSR_DEBUG_EXIT_ON_PIXEL_UNDERRUN (1<<15)
> > +#define   EDP_PSR_DEBUG_EXIT_ON_PIXEL_UNDERRUN (1<<15) /* SKL+ */
> >  
> >  #define EDP_PSR2_CTL			_MMIO(0x6f900)
> >  #define   EDP_PSR2_ENABLE		(1<<31)
> > -- 
> > 2.14.1
> > 
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