drm/i915/gvt: Enable force wake support for BXT.

BXT forcewake is handled in the same way as SKL/KBL.

v2: Add missing inhibit_context restore for BXT.

Signed-off-by: Colin Xu <colin.xu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index 462cf56..928818f 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -297,7 +297,8 @@ static int copy_workload_to_ring_buffer(struct intel_vgpu_workload *workload)
        void *shadow_ring_buffer_va;
        u32 *cs;
 
-       if (IS_KABYLAKE(req->i915) && is_inhibit_context(req->hw_context))
+       if ((IS_KABYLAKE(req->i915) || IS_BROXTON(req->i915))
+               && is_inhibit_context(req->hw_context))
                intel_vgpu_restore_inhibit_context(vgpu, req);
 
        /* allocate shadow ring buffer */
@@ -904,7 +905,8 @@ static int workload_thread(void *priv)
        struct intel_vgpu *vgpu = NULL;
        int ret;
        bool need_force_wake = IS_SKYLAKE(gvt->dev_priv)
-                       || IS_KABYLAKE(gvt->dev_priv);
+                       || IS_KABYLAKE(gvt->dev_priv)
+                       || IS_BROXTON(gvt->dev_priv);
        DEFINE_WAIT_FUNC(wait, woken_wake_function);
 
        kfree(p);