drm/i915: ValleyView IRQ support

ValleyView has a new interrupt architecture; best to put it in a new set
of functions.  Also make sure the ring mask functions handle ValleyView.

FIXME: fix flipping; need to enable interrupts and call prepare/finish

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 39 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index e74674b3097d..d226f2f2f7bc 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -468,7 +468,45 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
         if (ret)
                 return ret;
 
-        if (!HAS_PCH_SPLIT(dev)) {
+        if (IS_VALLEYVIEW(dev)) {
+                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, "Master IER:\t%08x\n",
+                           I915_READ(VLV_MASTER_IER));
+
+                seq_printf(m, "Render IER:\t%08x\n",
+                           I915_READ(GTIER));
+                seq_printf(m, "Render IIR:\t%08x\n",
+                           I915_READ(GTIIR));
+                seq_printf(m, "Render IMR:\t%08x\n",
+                           I915_READ(GTIMR));
+
+                seq_printf(m, "PM IER:\t\t%08x\n",
+                           I915_READ(GEN6_PMIER));
+                seq_printf(m, "PM IIR:\t\t%08x\n",
+                           I915_READ(GEN6_PMIIR));
+                seq_printf(m, "PM IMR:\t\t%08x\n",
+                           I915_READ(GEN6_PMIMR));
+
+                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));
+
+        } else if (!HAS_PCH_SPLIT(dev)) {
                 seq_printf(m, "Interrupt enable:    %08x\n",
                            I915_READ(IER));
                 seq_printf(m, "Interrupt identity:  %08x\n",