Re: [PATCH] drm/i915: make A0 wa's applied to A1

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Tim Gore 
Intel Corporation (UK) Ltd. - Co. Reg. #1134945 - Pipers Way, Swindon SN3 1RJ


> -----Original Message-----
> From: Daniel Vetter [mailto:daniel.vetter@xxxxxxxx] On Behalf Of Daniel
> Vetter
> Sent: Friday, October 30, 2015 4:11 PM
> To: Gore, Tim
> Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Subject: Re:  [PATCH] drm/i915: make A0 wa's applied to A1
> 
> On Mon, Oct 26, 2015 at 10:48:58AM +0000, tim.gore@xxxxxxxxx wrote:
> > From: Tim Gore <tim.gore@xxxxxxxxx>
> >
> > Since A1 chips use the same GPU as A0, they need all the same wa's in
> > the i915 driver. Update some conditionals to do this.
> 
> Neither summary nor commit message mentions that this is for bxt. Please
> fix.
> -Daniel
> 
This seems to have been merged. Is it possible for me to fix the commit message
retrospectively (other than in my local repo)?
  Tim

> >
> > Signed-off-by: Tim Gore <tim.gore@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/intel_guc_loader.c | 2 +-
> >  drivers/gpu/drm/i915/intel_lrc.c        | 8 ++++----
> >  drivers/gpu/drm/i915/intel_pm.c         | 2 +-
> >  drivers/gpu/drm/i915/intel_ringbuffer.c | 4 ++--
> >  4 files changed, 8 insertions(+), 8 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c
> > b/drivers/gpu/drm/i915/intel_guc_loader.c
> > index c0281df..6ec7b23 100644
> > --- a/drivers/gpu/drm/i915/intel_guc_loader.c
> > +++ b/drivers/gpu/drm/i915/intel_guc_loader.c
> > @@ -309,7 +309,7 @@ static int guc_ucode_xfer(struct drm_i915_private
> > *dev_priv)
> >
> >  	/* WaDisableMinuteIaClockGating:skl,bxt */
> >  	if (IS_SKL_REVID(dev, 0, SKL_REVID_B0) ||
> > -	    IS_BXT_REVID(dev, 0, BXT_REVID_A0)) {
> > +	    IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
> >  		I915_WRITE(GUC_SHIM_CONTROL,
> (I915_READ(GUC_SHIM_CONTROL) &
> >
> ~GUC_ENABLE_MIA_CLOCK_GATING));
> >  	}
> > diff --git a/drivers/gpu/drm/i915/intel_lrc.c
> > b/drivers/gpu/drm/i915/intel_lrc.c
> > index 3265427..971d3f2 100644
> > --- a/drivers/gpu/drm/i915/intel_lrc.c
> > +++ b/drivers/gpu/drm/i915/intel_lrc.c
> > @@ -285,7 +285,7 @@ static bool disable_lite_restore_wa(struct
> intel_engine_cs *ring)
> >  	struct drm_device *dev = ring->dev;
> >
> >  	return (IS_SKL_REVID(dev, 0, SKL_REVID_B0) ||
> > -		IS_BXT_REVID(dev, 0, BXT_REVID_A0)) &&
> > +		IS_BXT_REVID(dev, 0, BXT_REVID_A1)) &&
> >  	       (ring->id == VCS || ring->id == VCS2);  }
> >
> > @@ -1315,7 +1315,7 @@ static int gen9_init_indirectctx_bb(struct
> > intel_engine_cs *ring,
> >
> >  	/* WaDisableCtxRestoreArbitration:skl,bxt */
> >  	if (IS_SKL_REVID(dev, 0, SKL_REVID_D0) ||
> > -	    IS_BXT_REVID(dev, 0, BXT_REVID_A0))
> > +	    IS_BXT_REVID(dev, 0, BXT_REVID_A1))
> >  		wa_ctx_emit(batch, index, MI_ARB_ON_OFF |
> MI_ARB_DISABLE);
> >
> >  	/* WaFlushCoherentL3CacheLinesAtContextSwitch:skl,bxt */ @@ -
> 1341,7
> > +1341,7 @@ static int gen9_init_perctx_bb(struct intel_engine_cs
> > *ring,
> >
> >  	/*
> WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken:skl,bxt */
> >  	if (IS_SKL_REVID(dev, 0, SKL_REVID_B0) ||
> > -	    IS_BXT_REVID(dev, 0, BXT_REVID_A0)) {
> > +	    IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
> >  		wa_ctx_emit(batch, index, MI_LOAD_REGISTER_IMM(1));
> >  		wa_ctx_emit(batch, index,
> GEN9_SLICE_COMMON_ECO_CHICKEN0);
> >  		wa_ctx_emit(batch, index,
> > @@ -1351,7 +1351,7 @@ static int gen9_init_perctx_bb(struct
> > intel_engine_cs *ring,
> >
> >  	/* WaDisableCtxRestoreArbitration:skl,bxt */
> >  	if (IS_SKL_REVID(dev, 0, SKL_REVID_D0) ||
> > -	    IS_BXT_REVID(dev, 0, BXT_REVID_A0))
> > +	    IS_BXT_REVID(dev, 0, BXT_REVID_A1))
> >  		wa_ctx_emit(batch, index, MI_ARB_ON_OFF |
> MI_ARB_ENABLE);
> >
> >  	wa_ctx_emit(batch, index, MI_BATCH_BUFFER_END); diff --git
> > a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> > index 0fb0459..911f837 100644
> > --- a/drivers/gpu/drm/i915/intel_pm.c
> > +++ b/drivers/gpu/drm/i915/intel_pm.c
> > @@ -4691,7 +4691,7 @@ static void gen9_enable_rc6(struct drm_device
> *dev)
> >  			"on" : "off");
> >  	/* WaRsUseTimeoutMode */
> >  	if (IS_SKL_REVID(dev, 0, SKL_REVID_D0) ||
> > -	    IS_BXT_REVID(dev, 0, BXT_REVID_A0)) {
> > +	    IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
> >  		I915_WRITE(GEN6_RC6_THRESHOLD, 625); /* 800us */
> >  		I915_WRITE(GEN6_RC_CONTROL,
> GEN6_RC_CTL_HW_ENABLE |
> >  			   GEN7_RC_CTL_TO_MODE |
> > diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c
> > b/drivers/gpu/drm/i915/intel_ringbuffer.c
> > index 02a5bb0..368d78b 100644
> > --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> > +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> > @@ -1099,11 +1099,11 @@ static int bxt_init_workarounds(struct
> > intel_engine_cs *ring)
> >
> >  	/* WaStoreMultiplePTEenable:bxt */
> >  	/* This is a requirement according to Hardware specification */
> > -	if (IS_BXT_REVID(dev, 0, BXT_REVID_A0))
> > +	if (IS_BXT_REVID(dev, 0, BXT_REVID_A1))
> >  		I915_WRITE(TILECTL, I915_READ(TILECTL) | TILECTL_TLBPF);
> >
> >  	/* WaSetClckGatingDisableMedia:bxt */
> > -	if (IS_BXT_REVID(dev, 0, BXT_REVID_A0)) {
> > +	if (IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
> >  		I915_WRITE(GEN7_MISCCPCTL,
> (I915_READ(GEN7_MISCCPCTL) &
> >
> ~GEN8_DOP_CLOCK_GATE_MEDIA_ENABLE));
> >  	}
> > --
> > 1.9.1
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
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