Preproduction sdv are not supported beyond the release of production
hardware, and continued use is ill-advised. Mark the kernel as tainted
to reinforce the error.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: "Zanoni, Paulo R" <paulo.r.zanoni@xxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index c2c210b0f47f..ce22ab426d86 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -787,9 +787,11 @@ static void intel_detect_preproduction_hw(struct drm_i915_private *dev_priv)
sdv |= IS_HSW_EARLY_SDV(dev_priv);
sdv |= IS_SKL_REVID(dev_priv, 0, SKL_REVID_F0);
- if (sdv)
+ if (sdv) {
DRM_ERROR("This is a pre-production stepping. "
"It may not be fully functional.\n");
+ add_taint(TAINT_MACHINE_CHECK, LOCKDEP_STILL_OK);
+ }
}
/**
--
2.11.0
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