From: Ville Syrjälä <[email protected]>

GMCH DPLL state check was mistakenly removed in
commit 87fc875a2b85 ("drm/i915/dg2: Skip shared DPLL handling").
Bring it back.

Signed-off-by: Ville Syrjälä <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_display.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index 7db0655d8c9e..f20728b7f67b 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -5215,9 +5215,11 @@ intel_pipe_config_compare(const struct intel_crtc_state 
*current_config,
 
        PIPE_CONF_CHECK_BOOL(double_wide);
 
-       if (dev_priv->display.dpll.mgr) {
+       if (dev_priv->display.dpll.mgr)
                PIPE_CONF_CHECK_P(shared_dpll);
 
+       /* FIXME convert everything over the dpll_mgr */
+       if (dev_priv->display.dpll.mgr || HAS_GMCH(dev_priv)) {
                PIPE_CONF_CHECK_X(dpll_hw_state.dpll);
                PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md);
                PIPE_CONF_CHECK_X(dpll_hw_state.fp0);
-- 
2.43.0

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