diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index d0971907a501..88d47d531bf0 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3602,6 +3602,8 @@ static struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc) DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n", crtc->base.base.id, pll->name); + WARN_ON(pll->refcount); + goto found; } @@ -3635,14 +3637,14 @@ static struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc) return NULL; found: + if (pll->refcount == 0) + pll->hw_state = crtc->config.dpll_hw_state; + crtc->config.shared_dpll = i; DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name, pipe_name(crtc->pipe)); if (pll->active == 0) { - memcpy(&pll->hw_state, &crtc->config.dpll_hw_state, - sizeof(pll->hw_state)); - DRM_DEBUG_DRIVER("setting up %s\n", pll->name); WARN_ON(pll->on); assert_shared_dpll_disabled(dev_priv, pll); |