This is useful when we only have aliasing ppgtt and want to figure out
what exactly is accesssible and what not. Paulo can somehow overwrite
the fbcon framebuffer with the blitter on his hsw machine ...
Cc: Paulo Zanoni <przanoni@xxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
drivers/gpu/drm/i915/i915_debugfs.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 061182a..e0a3b56 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -124,7 +124,9 @@ static inline const char *get_global_flag(struct drm_i915_gem_object *obj)
static void
describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
{
+ struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
struct i915_vma *vma;
+
seq_printf(m, "%pK: %s%s%s %8zdKiB %02x %02x %u %u %u%s%s%s",
&obj->base,
get_pin_flag(obj),
@@ -155,6 +157,10 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
seq_printf(m, "gtt offset: %08lx, size: %08lx)",
vma->node.start, vma->node.size);
}
+ if (dev_priv->mm.aliasing_ppgtt)
+ seq_pritnf(" (bindings: %s%s)",
+ obj->has_global_gtt_mapping ? "g" : "",
+ obj->has_aliasing_ppgtt_mapping ? "pp" : "");
if (obj->stolen)
seq_printf(m, " (stolen: %08lx)", obj->stolen->start);
if (obj->pin_mappable || obj->fault_mappable) {
--
1.8.4.rc3
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