This Patch fixes the Critical KlockWork Errors and here a Possible Null
Pointer Dereferencing is addressed with a Null Pointer check before
Dereferencing

Signed-off-by: Nischal Varide <nischal.var...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_crt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_crt.c 
b/drivers/gpu/drm/i915/display/intel_crt.c
index 5b4510ce5693..b5777fdc8cac 100644
--- a/drivers/gpu/drm/i915/display/intel_crt.c
+++ b/drivers/gpu/drm/i915/display/intel_crt.c
@@ -504,6 +504,9 @@ static bool valleyview_crt_detect_hotplug(struct 
drm_connector *connector)
        bool ret;
        u32 save_adpa;
 
+       if (!(dev_priv))
+               return false;
+
        /*
         * Doing a force trigger causes a hpd interrupt to get sent, which can
         * get us stuck in a loop if we're polling:
-- 
2.26.0

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