[Intel-gfx] [PATCH] drm/i915/chv: Fix "drm/i915/chv: Add a bunch of pre production workarounds"

[Daniel Vetter]

On Thu, Jun 12, 2014 at 11:20:36AM +0300, Ville Syrjälä wrote:
> On Tue, Jun 10, 2014 at 04:26:34PM -0700, Tom.O'Rourke at intel.com wrote:
> > From: Tom O'Rourke <Tom.O'Rourke at intel.com>
> > 
> > Correct a merge mishap in commit e4443e459ccf43f2c139358400365fd6a839d40d.
> > 
> > Wa*:chv belongs in cherryview_enable_rps, not gen8_enable_rps.
> > 
> > Signed-off-by: Tom O'Rourke <Tom.O'Rourke at intel.com>
> 
> Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Queued for -next, thanks for the patch.
-Daniel

> 
> > ---
> >  drivers/gpu/drm/i915/intel_pm.c |   12 ++++++------
> >  1 file changed, 6 insertions(+), 6 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> > index 18f0ba0..c6e893b 100644
> > --- a/drivers/gpu/drm/i915/intel_pm.c
> > +++ b/drivers/gpu/drm/i915/intel_pm.c
> > @@ -3520,15 +3520,11 @@ static void gen8_enable_rps(struct drm_device *dev)
> >  
> >  	I915_WRITE(GEN6_RP_IDLE_HYSTERSIS, 10);
> >  
> > -	/* WaDisablePwrmtrEvent:chv (pre-production hw) */
> > -	I915_WRITE(0xA80C, I915_READ(0xA80C) & 0x00ffffff);
> > -	I915_WRITE(0xA810, I915_READ(0xA810) & 0xffffff00);
> > -
> >  	/* 5: Enable RPS */
> >  	I915_WRITE(GEN6_RP_CONTROL,
> >  		   GEN6_RP_MEDIA_TURBO |
> >  		   GEN6_RP_MEDIA_HW_NORMAL_MODE |
> > -		   GEN6_RP_MEDIA_IS_GFX | /* WaSetMaskForGfxBusyness:chv (pre-production hw ?) */
> > +		   GEN6_RP_MEDIA_IS_GFX |
> >  		   GEN6_RP_ENABLE |
> >  		   GEN6_RP_UP_BUSY_AVG |
> >  		   GEN6_RP_DOWN_IDLE_AVG);
> > @@ -4022,10 +4018,14 @@ static void cherryview_enable_rps(struct drm_device *dev)
> >  
> >  	I915_WRITE(GEN6_RP_IDLE_HYSTERSIS, 10);
> >  
> > +	/* WaDisablePwrmtrEvent:chv (pre-production hw) */
> > +	I915_WRITE(0xA80C, I915_READ(0xA80C) & 0x00ffffff);
> > +	I915_WRITE(0xA810, I915_READ(0xA810) & 0xffffff00);
> > +
> >  	/* 5: Enable RPS */
> >  	I915_WRITE(GEN6_RP_CONTROL,
> >  		   GEN6_RP_MEDIA_HW_NORMAL_MODE |
> > -		   GEN6_RP_MEDIA_IS_GFX |
> > +		   GEN6_RP_MEDIA_IS_GFX | /* WaSetMaskForGfxBusyness:chv (pre-production hw ?) */
> >  		   GEN6_RP_ENABLE |
> >  		   GEN6_RP_UP_BUSY_AVG |
> >  		   GEN6_RP_DOWN_IDLE_AVG);
> > -- 
> > 1.7.9.5
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> -- 
> Ville Syrjälä
> Intel OTC
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch