drm/i915/debugfs: Report ring in error state

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

drivers/gpu/drm/i915/i915_debugfs.c

@@ -32,6 +32,7 @@
 #include "drmP.h"
 #include "drm.h"
 #include "intel_drv.h"
+#include "intel_ringbuffer.h"
 #include "i915_drm.h"
 #include "i915_drv.h"
 
@@ -48,12 +49,6 @@ enum {
 	DEFERRED_FREE_LIST,
 };
 
-enum {
-	RENDER_RING,
-	BSD_RING,
-	BLT_RING,
-};
-
 static const char *yesno(int v)
 {
 	return v ? "yes" : "no";
@@ -450,9 +445,9 @@ static int i915_hws_info(struct seq_file *m, void *data)
 	int i;
 
 	switch ((uintptr_t)node->info_ent->data) {
-	case RENDER_RING: ring = &dev_priv->render_ring; break;
-	case BSD_RING: ring = &dev_priv->bsd_ring; break;
-	case BLT_RING: ring = &dev_priv->blt_ring; break;
+	case RING_RENDER: ring = &dev_priv->render_ring; break;
+	case RING_BSD: ring = &dev_priv->bsd_ring; break;
+	case RING_BLT: ring = &dev_priv->blt_ring; break;
 	default: return -EINVAL;
 	}
 
@@ -520,9 +515,9 @@ static int i915_ringbuffer_data(struct seq_file *m, void *data)
 	int ret;
 
 	switch ((uintptr_t)node->info_ent->data) {
-	case RENDER_RING: ring = &dev_priv->render_ring; break;
-	case BSD_RING: ring = &dev_priv->bsd_ring; break;
-	case BLT_RING: ring = &dev_priv->blt_ring; break;
+	case RING_RENDER: ring = &dev_priv->render_ring; break;
+	case RING_BSD: ring = &dev_priv->bsd_ring; break;
+	case RING_BLT: ring = &dev_priv->blt_ring; break;
 	default: return -EINVAL;
 	}
 
@@ -554,9 +549,9 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data)
 	struct intel_ring_buffer *ring;
 
 	switch ((uintptr_t)node->info_ent->data) {
-	case RENDER_RING: ring = &dev_priv->render_ring; break;
-	case BSD_RING: ring = &dev_priv->bsd_ring; break;
-	case BLT_RING: ring = &dev_priv->blt_ring; break;
+	case RING_RENDER: ring = &dev_priv->render_ring; break;
+	case RING_BSD: ring = &dev_priv->bsd_ring; break;
+	case RING_BLT: ring = &dev_priv->blt_ring; break;
 	default: return -EINVAL;
 	}
 
@@ -574,6 +569,16 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data)
 	return 0;
 }
 
+static const char *ring_str(int ring)
+{
+	switch (ring) {
+	case RING_RENDER: return "render";
+	case RING_BSD: return "bsd";
+	case RING_BLT: return "blt";
+	default: return "";
+	}
+}
+
 static const char *pin_flag(int pinned)
 {
 	if (pinned > 0)
@@ -630,14 +635,14 @@ static int i915_error_state(struct seq_file *m, void *unused)
 		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, "  IPEHR:    0x%08x\n", error->bcs_ipehr);
 		seq_printf(m, "  INSTDONE: 0x%08x\n", error->bcs_instdone);
 		seq_printf(m, "  seqno:    0x%08x\n", error->bcs_seqno);
 		seq_printf(m, "Video (BSD) command stream:\n");
 		seq_printf(m, "  ACTHD:    0x%08x\n", error->vcs_acthd);
-		seq_printf(m, "  IPEHR:    0x%08x\n", error->vcs_ipehr);
 		seq_printf(m, "  IPEIR:    0x%08x\n", error->vcs_ipeir);
+		seq_printf(m, "  IPEHR:    0x%08x\n", error->vcs_ipehr);
 		seq_printf(m, "  INSTDONE: 0x%08x\n", error->vcs_instdone);
 		seq_printf(m, "  seqno:    0x%08x\n", error->vcs_seqno);
 	}
@@ -657,7 +662,7 @@ static int i915_error_state(struct seq_file *m, void *unused)
 		seq_printf(m, "Buffers [%d]:\n", error->active_bo_count);
 
 		for (i = 0; i < error->active_bo_count; i++) {
-			seq_printf(m, "  %08x %8zd %08x %08x %08x%s%s%s%s",
+			seq_printf(m, "  %08x %8zd %08x %08x %08x%s%s%s%s %s",
 				   error->active_bo[i].gtt_offset,
 				   error->active_bo[i].size,
 				   error->active_bo[i].read_domains,
@@ -666,7 +671,8 @@ static int i915_error_state(struct seq_file *m, void *unused)
 				   pin_flag(error->active_bo[i].pinned),
 				   tiling_flag(error->active_bo[i].tiling),
 				   dirty_flag(error->active_bo[i].dirty),
-				   purgeable_flag(error->active_bo[i].purgeable));
+				   purgeable_flag(error->active_bo[i].purgeable),
+				   ring_str(error->active_bo[i].ring));
 
 			if (error->active_bo[i].name)
 				seq_printf(m, " (name: %d)", error->active_bo[i].name);
@@ -1101,15 +1107,15 @@ static struct drm_info_list i915_debugfs_list[] = {
 	{"i915_gem_seqno", i915_gem_seqno_info, 0},
 	{"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
 	{"i915_gem_interrupt", i915_interrupt_info, 0},
-	{"i915_gem_hws", i915_hws_info, 0, (void *)RENDER_RING},
-	{"i915_gem_hws_blt", i915_hws_info, 0, (void *)BLT_RING},
-	{"i915_gem_hws_bsd", i915_hws_info, 0, (void *)BSD_RING},
-	{"i915_ringbuffer_data", i915_ringbuffer_data, 0, (void *)RENDER_RING},
-	{"i915_ringbuffer_info", i915_ringbuffer_info, 0, (void *)RENDER_RING},
-	{"i915_bsd_ringbuffer_data", i915_ringbuffer_data, 0, (void *)BSD_RING},
-	{"i915_bsd_ringbuffer_info", i915_ringbuffer_info, 0, (void *)BSD_RING},
-	{"i915_blt_ringbuffer_data", i915_ringbuffer_data, 0, (void *)BLT_RING},
-	{"i915_blt_ringbuffer_info", i915_ringbuffer_info, 0, (void *)BLT_RING},
+	{"i915_gem_hws", i915_hws_info, 0, (void *)RING_RENDER},
+	{"i915_gem_hws_blt", i915_hws_info, 0, (void *)RING_BLT},
+	{"i915_gem_hws_bsd", i915_hws_info, 0, (void *)RING_BSD},
+	{"i915_ringbuffer_data", i915_ringbuffer_data, 0, (void *)RING_RENDER},
+	{"i915_ringbuffer_info", i915_ringbuffer_info, 0, (void *)RING_RENDER},
+	{"i915_bsd_ringbuffer_data", i915_ringbuffer_data, 0, (void *)RING_BSD},
+	{"i915_bsd_ringbuffer_info", i915_ringbuffer_info, 0, (void *)RING_BSD},
+	{"i915_blt_ringbuffer_data", i915_ringbuffer_data, 0, (void *)RING_BLT},
+	{"i915_blt_ringbuffer_info", i915_ringbuffer_info, 0, (void *)RING_BLT},
 	{"i915_batchbuffers", i915_batchbuffer_info, 0},
 	{"i915_error_state", i915_error_state, 0},
 	{"i915_rstdby_delays", i915_rstdby_delays, 0},

drivers/gpu/drm/i915/i915_drv.h

@@ -182,6 +182,7 @@ struct drm_i915_error_state {
 		u32 tiling:2;
 		u32 dirty:1;
 		u32 purgeable:1;
+		u32 ring:4;
 	} *active_bo;
 	u32 active_bo_count;
 	struct intel_overlay_error_state *overlay;

drivers/gpu/drm/i915/i915_irq.c

@@ -728,6 +728,7 @@ static void i915_capture_error_state(struct drm_device *dev)
 			error->active_bo[i].tiling = obj_priv->tiling_mode;
 			error->active_bo[i].dirty = obj_priv->dirty;
 			error->active_bo[i].purgeable = obj_priv->madv != I915_MADV_WILLNEED;
+			error->active_bo[i].ring = obj_priv->ring->id;
 
 			if (++i == count)
 				break;