On Tue, Jun 02, 2015 at 03:37:36PM +0300, [email protected] wrote: > From: Ville Syrjälä <[email protected]> > > INSTPM is saved in the logical context so we should initialize it using > LRIs on gen8. It actually defaults to 1 starting from HSW, but let's > keep the write around anyway. > > Also drop the INSTPM_FORCE_ORDERING setup entirely on gen9+ since it's > now a reserved bit. > > Signed-off-by: Ville Syrjälä <[email protected]>
Reviewed-by: Damien Lespiau <[email protected]> -- Damien > --- > drivers/gpu/drm/i915/intel_ringbuffer.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c > b/drivers/gpu/drm/i915/intel_ringbuffer.c > index edd47ba..06f4b22 100644 > --- a/drivers/gpu/drm/i915/intel_ringbuffer.c > +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c > @@ -800,6 +800,8 @@ static int bdw_init_workarounds(struct intel_engine_cs > *ring) > struct drm_device *dev = ring->dev; > struct drm_i915_private *dev_priv = dev->dev_private; > > + WA_SET_BIT_MASKED(INSTPM, INSTPM_FORCE_ORDERING); > + > /* WaDisablePartialInstShootdown:bdw */ > /* WaDisableThreadStallDopClockGating:bdw (pre-production) */ > WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, > @@ -861,6 +863,8 @@ static int chv_init_workarounds(struct intel_engine_cs > *ring) > struct drm_device *dev = ring->dev; > struct drm_i915_private *dev_priv = dev->dev_private; > > + WA_SET_BIT_MASKED(INSTPM, INSTPM_FORCE_ORDERING); > + > /* WaDisablePartialInstShootdown:chv */ > /* WaDisableThreadStallDopClockGating:chv */ > WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, > @@ -1132,7 +1136,7 @@ static int init_render_ring(struct intel_engine_cs > *ring) > _MASKED_BIT_DISABLE(CM0_STC_EVICT_DISABLE_LRA_SNB)); > } > > - if (INTEL_INFO(dev)->gen >= 6) > + if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 8) > I915_WRITE(INSTPM, _MASKED_BIT_ENABLE(INSTPM_FORCE_ORDERING)); > > if (HAS_L3_DPF(dev)) > -- > 2.3.6 > > _______________________________________________ > Intel-gfx mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
