| Message ID | 20191113191840.23620-2-radhakrishna.sripada@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] drm/i915/tgl: Wa_1606679103 | expand |
On Wed, Nov 13, 2019 at 11:18:40AM -0800, Radhakrishna Sripada wrote: > Disable VS Unit Clockgating. > > BSpec: 52857 > Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> > Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com> > --- > drivers/gpu/drm/i915/i915_reg.h | 1 + > drivers/gpu/drm/i915/intel_pm.c | 4 ++++ > 2 files changed, 5 insertions(+) > > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > index 2ffcc21670b7..3714eb641124 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -4172,6 +4172,7 @@ enum { > > #define UNSLICE_UNIT_LEVEL_CLKGATE _MMIO(0x9434) > #define VFUNIT_CLKGATE_DIS (1 << 20) > +#define VSUNIT_CLKGATE_DIS (1 << 3) > > #define INF_UNIT_LEVEL_CLKGATE _MMIO(0x9560) > #define CGPSF_CLKGATE_DIS (1 << 3) > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c > index 2d389e437e87..fe32c0433971 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -6572,6 +6572,10 @@ static void tgl_init_clock_gating(struct drm_i915_private *dev_priv) > > I915_WRITE(POWERGATE_ENABLE, > I915_READ(POWERGATE_ENABLE) | vd_pg_enable); > + > + /* Wa_1408615072:tgl */ > + I915_WRITE(UNSLICE_UNIT_LEVEL_CLKGATE, > + I915_READ(UNSLICE_UNIT_LEVEL_CLKGATE) | VFUNIT_CLKGATE_DIS); VF vs. VS > } > > static void cnp_init_clock_gating(struct drm_i915_private *dev_priv) > -- > 2.20.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 2ffcc21670b7..3714eb641124 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4172,6 +4172,7 @@ enum { #define UNSLICE_UNIT_LEVEL_CLKGATE _MMIO(0x9434) #define VFUNIT_CLKGATE_DIS (1 << 20) +#define VSUNIT_CLKGATE_DIS (1 << 3) #define INF_UNIT_LEVEL_CLKGATE _MMIO(0x9560) #define CGPSF_CLKGATE_DIS (1 << 3) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 2d389e437e87..fe32c0433971 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -6572,6 +6572,10 @@ static void tgl_init_clock_gating(struct drm_i915_private *dev_priv) I915_WRITE(POWERGATE_ENABLE, I915_READ(POWERGATE_ENABLE) | vd_pg_enable); + + /* Wa_1408615072:tgl */ + I915_WRITE(UNSLICE_UNIT_LEVEL_CLKGATE, + I915_READ(UNSLICE_UNIT_LEVEL_CLKGATE) | VFUNIT_CLKGATE_DIS); } static void cnp_init_clock_gating(struct drm_i915_private *dev_priv)
Disable VS Unit Clockgating. BSpec: 52857 Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com> --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_pm.c | 4 ++++ 2 files changed, 5 insertions(+)