diff mbox

[10/12] drm/i915/skl: Remove WaDisableVFUnitClockGating

Message ID 1443188026-1222-11-git-send-email-arun.siluvery@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

arun.siluvery@linux.intel.com Sept. 25, 2015, 1:33 p.m. UTC
Dropping it because it is for pre-production stepping, also removed
bit definition in i915_reg.h as it is not used anywhere else.

Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h | 1 -
 drivers/gpu/drm/i915/intel_pm.c | 6 ------
 2 files changed, 7 deletions(-)

Comments

Ville Syrjälä Sept. 25, 2015, 5:45 p.m. UTC | #1
On Fri, Sep 25, 2015 at 02:33:44PM +0100, Arun Siluvery wrote:
> Dropping it because it is for pre-production stepping, also removed
> bit definition in i915_reg.h as it is not used anywhere else.
> 
> Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
> ---
>  drivers/gpu/drm/i915/i915_reg.h | 1 -
>  drivers/gpu/drm/i915/intel_pm.c | 6 ------
>  2 files changed, 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index ef3d71f..b510fdc 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -6688,7 +6688,6 @@ enum skl_disp_power_wells {
>  # define GEN6_CSUNIT_CLOCK_GATE_DISABLE			(1 << 7)
>  
>  #define GEN6_UCGCTL2				0x9404
> -# define GEN6_VFUNIT_CLOCK_GATE_DISABLE			(1 << 31)

Again, I would keep the define.

>  # define GEN7_VDSUNIT_CLOCK_GATE_DISABLE		(1 << 30)
>  # define GEN7_TDLUNIT_CLOCK_GATE_DISABLE		(1 << 22)
>  # define GEN6_RCZUNIT_CLOCK_GATE_DISABLE		(1 << 13)
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 65c60bc..88acb3e 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -75,12 +75,6 @@ static void skl_init_clock_gating(struct drm_device *dev)
>  
>  	gen9_init_clock_gating(dev);
>  
> -	if (INTEL_REVID(dev) <= SKL_REVID_B0) {
> -		/* WaDisableVFUnitClockGating:skl */
> -		I915_WRITE(GEN6_UCGCTL2, I915_READ(GEN6_UCGCTL2) |
> -			   GEN6_VFUNIT_CLOCK_GATE_DISABLE);
> -	}
> -

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

>  	if (INTEL_REVID(dev) <= SKL_REVID_D0) {
>  		/* WaDisableHDCInvalidation:skl */
>  		I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) |
> -- 
> 1.9.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
Daniel Vetter Sept. 28, 2015, 2:01 p.m. UTC | #2
On Fri, Sep 25, 2015 at 08:45:25PM +0300, Ville Syrjälä wrote:
> On Fri, Sep 25, 2015 at 02:33:44PM +0100, Arun Siluvery wrote:
> > Dropping it because it is for pre-production stepping, also removed
> > bit definition in i915_reg.h as it is not used anywhere else.
> > 
> > Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
> > ---
> >  drivers/gpu/drm/i915/i915_reg.h | 1 -
> >  drivers/gpu/drm/i915/intel_pm.c | 6 ------
> >  2 files changed, 7 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> > index ef3d71f..b510fdc 100644
> > --- a/drivers/gpu/drm/i915/i915_reg.h
> > +++ b/drivers/gpu/drm/i915/i915_reg.h
> > @@ -6688,7 +6688,6 @@ enum skl_disp_power_wells {
> >  # define GEN6_CSUNIT_CLOCK_GATE_DISABLE			(1 << 7)
> >  
> >  #define GEN6_UCGCTL2				0x9404
> > -# define GEN6_VFUNIT_CLOCK_GATE_DISABLE			(1 << 31)
> 
> Again, I would keep the define.

I kept them both (but forgot to mention in my previous reply).

> 
> >  # define GEN7_VDSUNIT_CLOCK_GATE_DISABLE		(1 << 30)
> >  # define GEN7_TDLUNIT_CLOCK_GATE_DISABLE		(1 << 22)
> >  # define GEN6_RCZUNIT_CLOCK_GATE_DISABLE		(1 << 13)
> > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> > index 65c60bc..88acb3e 100644
> > --- a/drivers/gpu/drm/i915/intel_pm.c
> > +++ b/drivers/gpu/drm/i915/intel_pm.c
> > @@ -75,12 +75,6 @@ static void skl_init_clock_gating(struct drm_device *dev)
> >  
> >  	gen9_init_clock_gating(dev);
> >  
> > -	if (INTEL_REVID(dev) <= SKL_REVID_B0) {
> > -		/* WaDisableVFUnitClockGating:skl */
> > -		I915_WRITE(GEN6_UCGCTL2, I915_READ(GEN6_UCGCTL2) |
> > -			   GEN6_VFUNIT_CLOCK_GATE_DISABLE);
> > -	}
> > -
> 
> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

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

Patch

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index ef3d71f..b510fdc 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -6688,7 +6688,6 @@  enum skl_disp_power_wells {
 # define GEN6_CSUNIT_CLOCK_GATE_DISABLE			(1 << 7)
 
 #define GEN6_UCGCTL2				0x9404
-# define GEN6_VFUNIT_CLOCK_GATE_DISABLE			(1 << 31)
 # define GEN7_VDSUNIT_CLOCK_GATE_DISABLE		(1 << 30)
 # define GEN7_TDLUNIT_CLOCK_GATE_DISABLE		(1 << 22)
 # define GEN6_RCZUNIT_CLOCK_GATE_DISABLE		(1 << 13)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 65c60bc..88acb3e 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -75,12 +75,6 @@  static void skl_init_clock_gating(struct drm_device *dev)
 
 	gen9_init_clock_gating(dev);
 
-	if (INTEL_REVID(dev) <= SKL_REVID_B0) {
-		/* WaDisableVFUnitClockGating:skl */
-		I915_WRITE(GEN6_UCGCTL2, I915_READ(GEN6_UCGCTL2) |
-			   GEN6_VFUNIT_CLOCK_GATE_DISABLE);
-	}
-
 	if (INTEL_REVID(dev) <= SKL_REVID_D0) {
 		/* WaDisableHDCInvalidation:skl */
 		I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) |