On Tue, Aug 18, 2015 at 02:34:47PM -0700, yu....@intel.com wrote: > From: Alex Dai <yu....@intel.com> > > If rc6 is enabled, notify GuC so it can do proper forcewake before > command submission. > > Signed-off-by: Alex Dai <yu....@intel.com>
Reviewed-by: Tom O'Rourke <Tom.O'rou...@intel.com> > --- > drivers/gpu/drm/i915/i915_guc_submission.c | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c > b/drivers/gpu/drm/i915/i915_guc_submission.c > index ec70393..792d0b9 100644 > --- a/drivers/gpu/drm/i915/i915_guc_submission.c > +++ b/drivers/gpu/drm/i915/i915_guc_submission.c > @@ -151,6 +151,18 @@ static int host2guc_release_doorbell(struct intel_guc > *guc, > return host2guc_action(guc, data, 2); > } > > +static int host2guc_sample_forcewake(struct intel_guc *guc, > + struct i915_guc_client *client) > +{ > + struct drm_i915_private *dev_priv = guc_to_i915(guc); > + u32 data[2]; > + > + data[0] = HOST2GUC_ACTION_SAMPLE_FORCEWAKE; > + data[1] = (intel_enable_rc6(dev_priv->dev)) ? 1 : 0; > + > + return host2guc_action(guc, data, 2); > +} > + > /* > * Initialise, update, or clear doorbell data shared with the GuC > * > @@ -874,6 +886,9 @@ int i915_guc_submission_enable(struct drm_device *dev) > } > > guc->execbuf_client = client; > + > + host2guc_sample_forcewake(guc, client); > + > return 0; > } > > -- > 1.9.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx