We also see the delayed GTT write issue on i915g/i915gm, so let's presume that it is a universal problem for all llc machines, and that we just haven't yet noticed on g33, gen4 and gen5 machines.
Testcase: igt/gem_mmap_gtt/coherency # i915gm References: https://bugs.freedesktop.org/show_bug.cgi?id=102577 Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> --- drivers/gpu/drm/i915/i915_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 4dffebae5601..350b761b9e91 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -694,7 +694,7 @@ flush_write_domain(struct drm_i915_gem_object *obj, unsigned int flush_domains) switch (obj->base.write_domain) { case I915_GEM_DOMAIN_GTT: - if (INTEL_GEN(dev_priv) >= 6 && !HAS_LLC(dev_priv)) { + if (!HAS_LLC(dev_priv)) { intel_runtime_pm_get(dev_priv); spin_lock_irq(&dev_priv->uncore.lock); POSTING_READ_FW(RING_ACTHD(dev_priv->engine[RCS]->mmio_base)); -- 2.14.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
