On Mon, Sep 22, 2014 at 02:43:02PM -0400, Suketu Shah wrote: > The newly loaded Gfx driver must first initialize the forcewake request register > for render, media and blitter engines by clearing all forcewake bits (0xFFFF0000). > This applies to BDW and GEN9 platforms. Already done intel_uncore_init()->intel_uncore_early_sanitize()->intel_uncore_forcewake_reset() > > Change-Id: I633c530340a5918c084249a188d0397ed4f51a41 > Signed-off-by: Suketu Shah <suketu.j.shah@xxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_uncore.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c > index c9bf39e..9d94497 100644 > --- a/drivers/gpu/drm/i915/intel_uncore.c > +++ b/drivers/gpu/drm/i915/intel_uncore.c > @@ -1345,6 +1345,14 @@ void intel_uncore_init(struct drm_device *dev) > dev_priv->uncore.funcs.mmio_readq = gen4_read64; > break; > } > + > + /* WaRsClearFWBitsAtReset: The newly loaded Gfx driver must first initialize the > + * forcewake request register for render, media and blitter engines by clearing > + * all forcewake bits (0xFFFF0000) on resets. > + * This applies to BDW and Gen9 platforms. > + */ > + if (IS_BROADWELL(dev) || IS_GEN9(dev)) > + intel_uncore_forcewake_reset(dev, false); > } > > void intel_uncore_fini(struct drm_device *dev) > -- > 2.1.0 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
