Currently gvt gtt handling doesn't support huge page entries, so disable for now.
v2: remove useless 48b PPGTT check Suggested-by: Zhenyu Wang <[email protected]> Signed-off-by: Matthew Auld <[email protected]> Cc: Joonas Lahtinen <[email protected]> Cc: Chris Wilson <[email protected]> Cc: Zhenyu Wang <[email protected]> --- drivers/gpu/drm/i915/i915_gem.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 750c04002304..f98d8a08167b 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4831,6 +4831,14 @@ int i915_gem_init(struct drm_i915_private *dev_priv) mutex_lock(&dev_priv->drm.struct_mutex); + /* We need to fallback to 4K pages since gvt gtt handling doesn't + * support huge page entries - we will need to check either hypervisor + * mm can support huge guest page or just do emulation in gvt. + */ + if (intel_vgpu_active(dev_priv)) + mkwrite_device_info(dev_priv)->page_sizes = + I915_GTT_PAGE_SIZE_4K; + dev_priv->mm.unordered_timeline = dma_fence_context_alloc(1); if (!i915_modparams.enable_execlists) { -- 2.13.5 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
