drm/i915: dump the DMA fetch addr register on pre-gen6
It exists way back to gen2, bug got moved around on gen4 a bit.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index d226f2f..2a1f0d7 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -757,8 +757,8 @@
if (INTEL_INFO(dev)->gen >= 4)
seq_printf(m, " INSTPS: 0x%08x\n", error->instps[ring]);
seq_printf(m, " INSTPM: 0x%08x\n", error->instpm[ring]);
+ seq_printf(m, " FADDR: 0x%08x\n", error->faddr[ring]);
if (INTEL_INFO(dev)->gen >= 6) {
- seq_printf(m, " FADDR: 0x%08x\n", error->faddr[ring]);
seq_printf(m, " FAULT_REG: 0x%08x\n", error->fault_reg[ring]);
seq_printf(m, " SYNC_0: 0x%08x\n",
error->semaphore_mboxes[ring][0]);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 6d76ee5..febddc2 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1029,7 +1029,6 @@
struct drm_i915_private *dev_priv = dev->dev_private;
if (INTEL_INFO(dev)->gen >= 6) {
- error->faddr[ring->id] = I915_READ(RING_DMA_FADD(ring->mmio_base));
error->fault_reg[ring->id] = I915_READ(RING_FAULT_REG(ring));
error->semaphore_mboxes[ring->id][0]
= I915_READ(RING_SYNC_0(ring->mmio_base));
@@ -1038,6 +1037,7 @@
}
if (INTEL_INFO(dev)->gen >= 4) {
+ error->faddr[ring->id] = I915_READ(RING_DMA_FADD(ring->mmio_base));
error->ipeir[ring->id] = I915_READ(RING_IPEIR(ring->mmio_base));
error->ipehr[ring->id] = I915_READ(RING_IPEHR(ring->mmio_base));
error->instdone[ring->id] = I915_READ(RING_INSTDONE(ring->mmio_base));
@@ -1047,6 +1047,7 @@
error->bbaddr = I915_READ64(BB_ADDR);
}
} else {
+ error->faddr[ring->id] = I915_READ(DMA_FADD_I8XX);
error->ipeir[ring->id] = I915_READ(IPEIR);
error->ipehr[ring->id] = I915_READ(IPEHR);
error->instdone[ring->id] = I915_READ(INSTDONE);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 56d4db8..cb55444 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -474,6 +474,7 @@
#define INSTDONE 0x02090
#define NOPID 0x02094
#define HWSTAM 0x02098
+#define DMA_FADD_I8XX 0x020d0
#define ERROR_GEN6 0x040a0