Merge remote-tracking branches 'asoc/fix/dpcm', 'asoc/fix/imx', 'asoc/fix/msm8916...
[sfrench/cifs-2.6.git] / drivers / gpu / drm / i915 / gvt / display.c
index 2deb05f618fb11054064122a4b86f468d148c73b..7cb0818a13debecc1d3f08e4fb10042a3536b1e9 100644 (file)
@@ -323,27 +323,27 @@ void intel_gvt_check_vblank_emulation(struct intel_gvt *gvt)
 {
        struct intel_gvt_irq *irq = &gvt->irq;
        struct intel_vgpu *vgpu;
-       bool have_enabled_pipe = false;
        int pipe, id;
 
        if (WARN_ON(!mutex_is_locked(&gvt->lock)))
                return;
 
-       hrtimer_cancel(&irq->vblank_timer.timer);
-
        for_each_active_vgpu(gvt, vgpu, id) {
                for (pipe = 0; pipe < I915_MAX_PIPES; pipe++) {
-                       have_enabled_pipe =
-                               pipe_is_enabled(vgpu, pipe);
-                       if (have_enabled_pipe)
-                               break;
+                       if (pipe_is_enabled(vgpu, pipe))
+                               goto out;
                }
        }
 
-       if (have_enabled_pipe)
-               hrtimer_start(&irq->vblank_timer.timer,
-                       ktime_add_ns(ktime_get(), irq->vblank_timer.period),
-                       HRTIMER_MODE_ABS);
+       /* all the pipes are disabled */
+       hrtimer_cancel(&irq->vblank_timer.timer);
+       return;
+
+out:
+       hrtimer_start(&irq->vblank_timer.timer,
+               ktime_add_ns(ktime_get(), irq->vblank_timer.period),
+               HRTIMER_MODE_ABS);
+
 }
 
 static void emulate_vblank_on_pipe(struct intel_vgpu *vgpu, int pipe)