drm/i915/params: don't expose inject_probe_failure in debugfs

The parameter only makes sense as a module parameter only.

Fixes: c43c5a8 ("drm/i915/params: add i915 parameters to debugfs")
Cc: Juha-Pekka Heikkilä <[email protected]>
Cc: Venkata Sandeep Dhanalakota <[email protected]>
Reviewed-by: Juha-Pekka Heikkila <[email protected]>
Signed-off-by: Jani Nikula <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
(cherry picked from commit dbf4081)
Signed-off-by: Joonas Lahtinen <[email protected]>

Author: jnikula

drivers/gpu/drm/i915/i915_params.h

@@ -64,7 +64,7 @@ struct drm_printer;
 	param(int, mmio_debug, -IS_ENABLED(CONFIG_DRM_I915_DEBUG_MMIO), 0600) \
 	param(int, edp_vswing, 0, 0400) \
 	param(unsigned int, reset, 3, 0600) \
-	param(unsigned int, inject_probe_failure, 0, 0600) \
+	param(unsigned int, inject_probe_failure, 0, 0) \
 	param(int, fastboot, -1, 0600) \
 	param(int, enable_dpcd_backlight, -1, 0600) \
 	param(char *, force_probe, CONFIG_DRM_I915_FORCE_PROBE, 0400) \