[Intel-gfx] [PATCH 38/43] drm/i915/bdw: Display context backing obj & ringbuffer info in debugfs

[Thomas Daniel]

From: Oscar Mateo <oscar.ma...@intel.com>

Signed-off-by: Oscar Mateo <oscar.ma...@intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c |   25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c 
b/drivers/gpu/drm/i915/i915_debugfs.c
index 903ed67..0980cdd 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1629,6 +1629,12 @@ static int i915_gem_framebuffer_info(struct seq_file *m, 
void *data)
 
        return 0;
 }
+static void describe_ctx_ringbuf(struct seq_file *m, struct intel_ringbuffer 
*ringbuf)
+{
+       seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, last head: 
%d)",
+                       ringbuf->space, ringbuf->head, ringbuf->tail,
+                       ringbuf->last_retired_head);
+}
 
 static int i915_context_status(struct seq_file *m, void *unused)
 {
@@ -1656,7 +1662,7 @@ static int i915_context_status(struct seq_file *m, void 
*unused)
        }
 
        list_for_each_entry(ctx, &dev_priv->context_list, link) {
-               if (ctx->legacy_hw_ctx.rcs_state == NULL)
+               if (!i915.enable_execlists && ctx->legacy_hw_ctx.rcs_state == 
NULL)
                        continue;
 
                seq_puts(m, "HW context ");
@@ -1665,7 +1671,22 @@ static int i915_context_status(struct seq_file *m, void 
*unused)
                        if (ring->default_context == ctx)
                                seq_printf(m, "(default context %s) ", 
ring->name);
 
-               describe_obj(m, ctx->legacy_hw_ctx.rcs_state);
+               if (i915.enable_execlists) {
+                       seq_putc(m, '\n');
+                       for_each_ring(ring, dev_priv, i) {
+                               struct drm_i915_gem_object *ctx_obj = 
ctx->engine[i].state;
+                               struct intel_ringbuffer *ringbuf = 
ctx->engine[i].ringbuf;
+
+                               seq_printf(m, "%s: ", ring->name);
+                               if (ctx_obj)
+                                       describe_obj(m, ctx_obj);
+                               if (ringbuf)
+                                       describe_ctx_ringbuf(m, ringbuf);
+                               seq_putc(m, '\n');
+                       }
+               } else
+                       describe_obj(m, ctx->legacy_hw_ctx.rcs_state);
+
                seq_putc(m, '\n');
        }
 
-- 
1.7.9.5

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