| Message ID | 20180123190536.11208-6-paulo.r.zanoni@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Jan 23, 2018 at 05:05:24PM -0200, Paulo Zanoni wrote: > From: Mahesh Kumar <mahesh1.kumar@intel.com> > > GEN9 onwards bypass path allocation of 4 blocks was needed, as per > hardware design. ICL doesn't require bypass path allocation of 4 DDB > blocks, handling the same in this patch. > > v2 (from Paulo): > - No need for a comment that says what the code already says. > > Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> > Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com> > Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: James Ausmus <james.ausmus@intel.com> > --- > drivers/gpu/drm/i915/intel_pm.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c > index 0b92ea1dbd40..11aac65d1543 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -3778,7 +3778,8 @@ skl_ddb_get_pipe_allocation_limits(struct drm_device *dev, > ddb_size = INTEL_INFO(dev_priv)->ddb_size; > WARN_ON(ddb_size == 0); > > - ddb_size -= 4; /* 4 blocks for bypass path allocation */ > + if (INTEL_GEN(dev_priv) < 11) > + ddb_size -= 4; /* 4 blocks for bypass path allocation */ > > /* > * If the state doesn't change the active CRTC's, then there's > -- > 2.14.3 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 0b92ea1dbd40..11aac65d1543 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3778,7 +3778,8 @@ skl_ddb_get_pipe_allocation_limits(struct drm_device *dev, ddb_size = INTEL_INFO(dev_priv)->ddb_size; WARN_ON(ddb_size == 0); - ddb_size -= 4; /* 4 blocks for bypass path allocation */ + if (INTEL_GEN(dev_priv) < 11) + ddb_size -= 4; /* 4 blocks for bypass path allocation */ /* * If the state doesn't change the active CRTC's, then there's