drm/i915: update debugfs interrupt info on IGDNG

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

1 files changed, 31 insertions, 10 deletions

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 49e0d870f493..8f28325bc5ef 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -158,16 +158,37 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
         struct drm_device *dev = node->minor->dev;
         drm_i915_private_t *dev_priv = dev->dev_private;
 
-        seq_printf(m, "Interrupt enable:    %08x\n",
-                   I915_READ(IER));
-        seq_printf(m, "Interrupt identity:  %08x\n",
-                   I915_READ(IIR));
-        seq_printf(m, "Interrupt mask:      %08x\n",
-                   I915_READ(IMR));
-        seq_printf(m, "Pipe A stat:         %08x\n",
-                   I915_READ(PIPEASTAT));
-        seq_printf(m, "Pipe B stat:         %08x\n",
-                   I915_READ(PIPEBSTAT));
+        if (!IS_IGDNG(dev)) {
+                seq_printf(m, "Interrupt enable:    %08x\n",
+                           I915_READ(IER));
+                seq_printf(m, "Interrupt identity:  %08x\n",
+                           I915_READ(IIR));
+                seq_printf(m, "Interrupt mask:      %08x\n",
+                           I915_READ(IMR));
+                seq_printf(m, "Pipe A stat:         %08x\n",
+                           I915_READ(PIPEASTAT));
+                seq_printf(m, "Pipe B stat:         %08x\n",
+                           I915_READ(PIPEBSTAT));
+        } else {
+                seq_printf(m, "North Display Interrupt enable:          %08x\n",
+                           I915_READ(DEIER));
+                seq_printf(m, "North Display Interrupt identity:        %08x\n",
+                           I915_READ(DEIIR));
+                seq_printf(m, "North Display Interrupt mask:            %08x\n",
+                           I915_READ(DEIMR));
+                seq_printf(m, "South Display Interrupt enable:          %08x\n",
+                           I915_READ(SDEIER));
+                seq_printf(m, "South Display Interrupt identity:        %08x\n",
+                           I915_READ(SDEIIR));
+                seq_printf(m, "South Display Interrupt mask:            %08x\n",
+                           I915_READ(SDEIMR));
+                seq_printf(m, "Graphics Interrupt enable:               %08x\n",
+                           I915_READ(GTIER));
+                seq_printf(m, "Graphics Interrupt identity:             %08x\n",
+                           I915_READ(GTIIR));
+                seq_printf(m, "Graphics Interrupt mask:         %08x\n",
+                           I915_READ(GTIMR));
+        }
         seq_printf(m, "Interrupts received: %d\n",
                    atomic_read(&dev_priv->irq_received));
         if (dev_priv->hw_status_page != NULL) {