drm/i915: Record BLT engine error state
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index ba2af4e..70eec5a 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -616,21 +616,28 @@
seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
error->time.tv_usec);
seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
+ seq_printf(m, "EIR: 0x%08x\n", error->eir);
+ seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);
if (INTEL_INFO(dev)->gen >= 6) {
seq_printf(m, "ERROR: 0x%08x\n", error->error);
+ seq_printf(m, "Blitter command stream:\n");
+ seq_printf(m, " ACTHD: 0x%08x\n", error->bcs_acthd);
+ seq_printf(m, " IPEHR: 0x%08x\n", error->bcs_ipehr);
+ seq_printf(m, " IPEIR: 0x%08x\n", error->bcs_ipeir);
+ seq_printf(m, " INSTDONE: 0x%08x\n", error->bcs_instdone);
+ seq_printf(m, " seqno: 0x%08x\n", error->bcs_seqno);
}
- seq_printf(m, "EIR: 0x%08x\n", error->eir);
- seq_printf(m, " PGTBL_ER: 0x%08x\n", error->pgtbl_er);
- seq_printf(m, " INSTPM: 0x%08x\n", error->instpm);
+ seq_printf(m, "Render command stream:\n");
+ seq_printf(m, " ACTHD: 0x%08x\n", error->acthd);
seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir);
seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr);
seq_printf(m, " INSTDONE: 0x%08x\n", error->instdone);
- seq_printf(m, " ACTHD: 0x%08x\n", error->acthd);
if (INTEL_INFO(dev)->gen >= 4) {
- seq_printf(m, " INSTPS: 0x%08x\n", error->instps);
seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1);
+ seq_printf(m, " INSTPS: 0x%08x\n", error->instps);
}
- seq_printf(m, "seqno: 0x%08x\n", error->seqno);
+ seq_printf(m, " INSTPM: 0x%08x\n", error->instpm);
+ seq_printf(m, " seqno: 0x%08x\n", error->seqno);
if (error->active_bo_count) {
seq_printf(m, "Buffers [%d]:\n", error->active_bo_count);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 7aa7f8a..05bff9e 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -142,13 +142,18 @@
struct drm_i915_error_state {
u32 eir;
u32 pgtbl_er;
- u32 error; /* gen6+ */
u32 pipeastat;
u32 pipebstat;
u32 ipeir;
u32 ipehr;
u32 instdone;
u32 acthd;
+ u32 error; /* gen6+ */
+ u32 bcs_acthd; /* gen6+ blt engine */
+ u32 bcs_ipehr;
+ u32 bcs_ipeir;
+ u32 bcs_instdone;
+ u32 bcs_seqno;
u32 instpm;
u32 instps;
u32 instdone1;
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 2a29497..4ff39de 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -595,6 +595,13 @@
error->error = 0;
if (INTEL_INFO(dev)->gen >= 6) {
error->error = I915_READ(ERROR_GEN6);
+ error->bcs_acthd = I915_READ(BCS_ACTHD);
+ error->bcs_ipehr = I915_READ(BCS_IPEHR);
+ error->bcs_ipeir = I915_READ(BCS_IPEIR);
+ error->bcs_instdone = I915_READ(BCS_INSTDONE);
+ error->bcs_seqno = 0;
+ if (dev_priv->blt_ring.get_seqno)
+ error->bcs_seqno = dev_priv->blt_ring.get_seqno(&dev_priv->blt_ring);
}
if (INTEL_INFO(dev)->gen >= 4) {
error->ipeir = I915_READ(IPEIR_I965);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index fc16119..b173e5b 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -305,6 +305,10 @@
#define INSTDONE 0x02090
#define NOPID 0x02094
#define HWSTAM 0x02098
+#define BCS_INSTDONE 0x2206C
+#define BCS_IPEIR 0x22064
+#define BCS_IPEHR 0x22068
+#define BCS_ACTHD 0x22074
#define ERROR_GEN6 0x040a0