drm/i915/bdw: Add interrupt info to debugfs

v2: Add missed ring interrupt info

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 48 insertions, 2 deletions

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 7008aacfc3c9..96772d1b78fc 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -586,7 +586,53 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
         if (ret)
                 return ret;
 
-        if (IS_VALLEYVIEW(dev)) {
+        if (INTEL_INFO(dev)->gen >= 8) {
+                int i;
+                seq_printf(m, "Master Interrupt Control:\t%08x\n",
+                           I915_READ(GEN8_MASTER_IRQ));
+
+                for (i = 0; i < 4; i++) {
+                        seq_printf(m, "GT Interrupt IMR %d:\t%08x\n",
+                                   i, I915_READ(GEN8_GT_IMR(i)));
+                        seq_printf(m, "GT Interrupt IIR %d:\t%08x\n",
+                                   i, I915_READ(GEN8_GT_IIR(i)));
+                        seq_printf(m, "GT Interrupt IER %d:\t%08x\n",
+                                   i, I915_READ(GEN8_GT_IER(i)));
+                }
+
+                for_each_pipe(i) {
+                        seq_printf(m, "Pipe %c IMR:\t%08x\n",
+                                   pipe_name(i),
+                                   I915_READ(GEN8_DE_PIPE_IMR(i)));
+                        seq_printf(m, "Pipe %c IIR:\t%08x\n",
+                                   pipe_name(i),
+                                   I915_READ(GEN8_DE_PIPE_IIR(i)));
+                        seq_printf(m, "Pipe %c IER:\t%08x\n",
+                                   pipe_name(i),
+                                   I915_READ(GEN8_DE_PIPE_IER(i)));
+                }
+
+                seq_printf(m, "Display Engine port interrupt mask:\t%08x\n",
+                           I915_READ(GEN8_DE_PORT_IMR));
+                seq_printf(m, "Display Engine port interrupt identity:\t%08x\n",
+                           I915_READ(GEN8_DE_PORT_IIR));
+                seq_printf(m, "Display Engine port interrupt enable:\t%08x\n",
+                           I915_READ(GEN8_DE_PORT_IER));
+
+                seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n",
+                           I915_READ(GEN8_DE_MISC_IMR));
+                seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n",
+                           I915_READ(GEN8_DE_MISC_IIR));
+                seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n",
+                           I915_READ(GEN8_DE_MISC_IER));
+
+                seq_printf(m, "PCU interrupt mask:\t%08x\n",
+                           I915_READ(GEN8_PCU_IMR));
+                seq_printf(m, "PCU interrupt identity:\t%08x\n",
+                           I915_READ(GEN8_PCU_IIR));
+                seq_printf(m, "PCU interrupt enable:\t%08x\n",
+                           I915_READ(GEN8_PCU_IER));
+        } else if (IS_VALLEYVIEW(dev)) {
                 seq_printf(m, "Display IER:\t%08x\n",
                            I915_READ(VLV_IER));
                 seq_printf(m, "Display IIR:\t%08x\n",
@@ -658,7 +704,7 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
         seq_printf(m, "Interrupts received: %d\n",
                    atomic_read(&dev_priv->irq_received));
         for_each_ring(ring, dev_priv, i) {
-                if (IS_GEN6(dev) || IS_GEN7(dev)) {
+                if (INTEL_INFO(dev)->gen >= 6) {
                         seq_printf(m,
                                    "Graphics Interrupt mask (%s):       %08x\n",
                                    ring->name, I915_READ_IMR(ring));