The PDPs seem to get screwed up otherwise, specifically PDP0. I am not really clear why this is required, it just works with full PPGTT. v2: Only do it for gen8, to limit regression potential v3: Fix the bugzilla links Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78891 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78935 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78936 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78937 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78938 Signed-off-by: Ben Widawsky <ben@xxxxxxxxxxxx> --- drivers/gpu/drm/i915/i915_gem_context.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 3ffe308..c5330ab 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -568,6 +568,9 @@ mi_set_context(struct intel_engine_cs *ring, else intel_ring_emit(ring, MI_NOOP); + if (INTEL_INFO(ring->dev)->gen == 8) + hw_flags |= MI_FORCE_RESTORE; + intel_ring_emit(ring, MI_NOOP); intel_ring_emit(ring, MI_SET_CONTEXT); intel_ring_emit(ring, i915_gem_obj_ggtt_offset(new_context->obj) | -- 1.9.3 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
