On Fri, 26 Oct 2012, Paulo Zanoni <[email protected]> wrote: > From: Paulo Zanoni <[email protected]> > > Also document the WA name for the previous gens that implement it.
Looks good based on the existing workarounds and specs; was unable to find any further details on the WA. Reviewed-by: Jani Nikula <[email protected]> > Signed-off-by: Paulo Zanoni <[email protected]> > --- > drivers/gpu/drm/i915/intel_pm.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c > index 59068be..150aebd 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -3450,6 +3450,7 @@ static void gen6_init_clock_gating(struct drm_device > *dev) > ILK_DPARBUNIT_CLOCK_GATE_ENABLE | > ILK_DPFDUNIT_CLOCK_GATE_ENABLE); > > + /* WaMbcDriverBootEnable */ > I915_WRITE(GEN6_MBCTL, I915_READ(GEN6_MBCTL) | > GEN6_MBCTL_ENABLE_BOOT_FETCH); > > @@ -3520,6 +3521,10 @@ static void haswell_init_clock_gating(struct > drm_device *dev) > I915_WRITE(CACHE_MODE_1, > _MASKED_BIT_ENABLE(PIXEL_SUBSPAN_COLLECT_OPT_DISABLE)); > > + /* WaMbcDriverBootEnable */ > + I915_WRITE(GEN6_MBCTL, I915_READ(GEN6_MBCTL) | > + GEN6_MBCTL_ENABLE_BOOT_FETCH); > + > /* XXX: This is a workaround for early silicon revisions and should be > * removed later. > */ > @@ -3595,6 +3600,7 @@ static void ivybridge_init_clock_gating(struct > drm_device *dev) > intel_flush_display_plane(dev_priv, pipe); > } > > + /* WaMbcDriverBootEnable */ > I915_WRITE(GEN6_MBCTL, I915_READ(GEN6_MBCTL) | > GEN6_MBCTL_ENABLE_BOOT_FETCH); > > @@ -3647,6 +3653,7 @@ static void valleyview_init_clock_gating(struct > drm_device *dev) > I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) | > GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB); > > + /* WaMbcDriverBootEnable */ > I915_WRITE(GEN6_MBCTL, I915_READ(GEN6_MBCTL) | > GEN6_MBCTL_ENABLE_BOOT_FETCH); > > -- > 1.7.11.4 > > _______________________________________________ > 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
