From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> PGTBL_ER contains the individual reasons for the page table error interrupt. Dump it out. Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/i915_irq.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index b45d426a5bd5..0e90c348175e 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -3539,6 +3539,9 @@ static void i8xx_error_irq_handler(struct drm_i915_private *dev_priv, if (eir_stuck) drm_dbg(&dev_priv->drm, "EIR stuck: 0x%04x, masked\n", eir_stuck); + + drm_dbg(&dev_priv->drm, "PGTBL_ER: 0x%08x\n", + intel_uncore_read(&dev_priv->uncore, PGTBL_ER)); } static void i9xx_error_irq_ack(struct drm_i915_private *dev_priv, @@ -3576,6 +3579,9 @@ static void i9xx_error_irq_handler(struct drm_i915_private *dev_priv, if (eir_stuck) drm_dbg(&dev_priv->drm, "EIR stuck: 0x%08x, masked\n", eir_stuck); + + drm_dbg(&dev_priv->drm, "PGTBL_ER: 0x%08x\n", + intel_uncore_read(&dev_priv->uncore, PGTBL_ER)); } static irqreturn_t i8xx_irq_handler(int irq, void *arg) -- 2.39.1