From: Ville Syrjälä <[email protected]>

Make i915_gem_interrupt debugfs file functional on CHV.

FIXME: Extract helpers for gt/display blocks to shrink the function a
bit and avoid duplication between bdw/chv (and other similar cases for
upstream).

Signed-off-by: Ville Syrjälä <[email protected]>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 42 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 41 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c 
b/drivers/gpu/drm/i915/i915_debugfs.c
index 506177a..1efb885 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -638,7 +638,47 @@ static int i915_interrupt_info(struct seq_file *m, void 
*data)
                return ret;
        intel_runtime_pm_get(dev_priv);
 
-       if (INTEL_INFO(dev)->gen >= 8) {
+       if (IS_CHERRYVIEW(dev)) {
+               int i;
+               seq_printf(m, "Master Interrupt Control:\t%08x\n",
+                          I915_READ(GEN8_MASTER_IRQ));
+
+               seq_printf(m, "Display IER:\t%08x\n",
+                          I915_READ(VLV_IER));
+               seq_printf(m, "Display IIR:\t%08x\n",
+                          I915_READ(VLV_IIR));
+               seq_printf(m, "Display IIR_RW:\t%08x\n",
+                          I915_READ(VLV_IIR_RW));
+               seq_printf(m, "Display IMR:\t%08x\n",
+                          I915_READ(VLV_IMR));
+               for_each_pipe(pipe)
+                       seq_printf(m, "Pipe %c stat:\t%08x\n",
+                                  pipe_name(pipe),
+                                  I915_READ(PIPESTAT(pipe)));
+
+               seq_printf(m, "Port hotplug:\t%08x\n",
+                          I915_READ(PORT_HOTPLUG_EN));
+               seq_printf(m, "DPFLIPSTAT:\t%08x\n",
+                          I915_READ(VLV_DPFLIPSTAT));
+               seq_printf(m, "DPINVGTT:\t%08x\n",
+                          I915_READ(DPINVGTT));
+
+               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)));
+               }
+
+               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 (INTEL_INFO(dev)->gen >= 8) {
                seq_printf(m, "Master Interrupt Control:\t%08x\n",
                           I915_READ(GEN8_MASTER_IRQ));
 
-- 
1.8.3.2

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