[PATCH] drm/i915: Skip pxp init if gt is wedged

[Zhanjun Dong]

The gt wedged could be triggered by missing guc firmware file, HW not
working, etc. Once triggered, it means all gt usage is dead, therefore we
can't enable pxp under this fatal error condition.

v2: Updated commit message.

Signed-off-by: Zhanjun Dong <zhanjun.dong at intel.com>
---
 drivers/gpu/drm/i915/pxp/intel_pxp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/pxp/intel_pxp.c
index dc327cf40b5a..923f233c91e1 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp.c
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c
@@ -212,6 +212,9 @@ int intel_pxp_init(struct drm_i915_private *i915)
 	if (!gt)
 		return -ENODEV;
 
+	if (intel_gt_is_wedged(gt))
+		return -ENODEV;
+
 	/*
 	 * At this point, we will either enable full featured PXP capabilities
 	 * including session and object management, or we will init the backend tee
-- 
2.34.1