Commit d1e89592 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Dump PGTBL_ER on gen2/3/4 error interrupt 



PGTBL_ER contains the individual reasons for the page table
error interrupt. Dump it out.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230125185234.21599-4-ville.syrjala@linux.intel.com


Reviewed-by: default avatarVinod Govindapillai <vinod.govindapillai@intel.com>
parent 839259b8

drivers/gpu/drm/i915/i915_irq.c

+6 −0
Original line number Diff line number Diff line
@@ -3532,6 +3532,9 @@ 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,
@@ -3569,6 +3572,9 @@ 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)