drm/i915/gvt: use context lrc_reg_state for shadow ppgtt override (47e51832) · Commits · 戴 / test

We can replace kmap by using context's lrc_reg_state directly for shadow ppgtt table override. Reviewed-by:

Yan Zhao <yan.y.zhao@intel.com> Cc: Yan Zhao <yan.y.zhao@intel.com> Signed-off-by:

drivers/gpu/drm/i915/gvt/scheduler.c

+2 −6

Original line number	Diff line number	Diff line
		@@ -58,10 +58,8 @@ static void set_context_pdp_root_pointer(

		static void update_shadow_pdps(struct intel_vgpu_workload *workload)
		{
		struct drm_i915_gem_object *ctx_obj =
		workload->req->context->state->obj;
		struct execlist_ring_context *shadow_ring_context;
		struct page *page;
		struct intel_context *ctx = workload->req->context;

		if (WARN_ON(!workload->shadow_mm))
		return;
		@@ -69,11 +67,9 @@ static void update_shadow_pdps(struct intel_vgpu_workload *workload)
		if (WARN_ON(!atomic_read(&workload->shadow_mm->pincount)))
		return;

		page = i915_gem_object_get_page(ctx_obj, LRC_STATE_PN);
		shadow_ring_context = kmap(page);
		shadow_ring_context = (struct execlist_ring_context *)ctx->lrc_reg_state;
		set_context_pdp_root_pointer(shadow_ring_context,
		(void *)workload->shadow_mm->ppgtt_mm.shadow_pdps);
		kunmap(page);
		}

		/*