A regression in the topic/ppgtt branch introduce in
commit 87d60b63e0371529faaed0667d457e5022964010
Author: Ben Widawsky <b...@bwidawsk.net>
Date: Fri Dec 6 14:11:29 2013 -0800
drm/i915: Add PPGTT dumper
Reported-by: kbuild test robot <fengguang...@intel.com>
Reported-by: Antti Koskipaa <antti.koski...@linux.intel.com>
Cc: Ben Widawsky <b...@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
drivers/gpu/drm/i915/i915_gem_gtt.c | 4 ++++
2 files changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index aab400c04be0..730ff1e0ce63 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -678,7 +678,9 @@ struct i915_hw_ppgtt {
int (*switch_mm)(struct i915_hw_ppgtt *ppgtt,
struct intel_ring_buffer *ring,
bool synchronous);
+#if defined(CONFIG_DEBUG_FS)
void (*debug_dump)(struct i915_hw_ppgtt *ppgtt, struct seq_file *m);
+#endif
};
struct i915_ctx_hang_stats {
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 998f9a0b322a..0e55f9821bcc 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -460,6 +460,7 @@ err_out:
return ret;
}
+#if defined(CONFIG_DEBUG_FS)
static void gen6_dump_ppgtt(struct i915_hw_ppgtt *ppgtt, struct seq_file *m)
{
struct drm_i915_private *dev_priv = ppgtt->base.dev->dev_private;
@@ -515,6 +516,7 @@ static void gen6_dump_ppgtt(struct i915_hw_ppgtt *ppgtt,
struct seq_file *m)
kunmap_atomic(pt_vaddr);
}
}
+#endif
static void gen6_write_pdes(struct i915_hw_ppgtt *ppgtt)
{
@@ -929,7 +931,9 @@ alloc:
ppgtt->base.clear_range(&ppgtt->base, 0,
ppgtt->num_pd_entries * I915_PPGTT_PT_ENTRIES,
true);
+#if defined(CONFIG_DEBUG_FS)
ppgtt->debug_dump = gen6_dump_ppgtt;
+#endif
DRM_DEBUG_DRIVER("Allocated pde space (%ldM) at GTT entry: %lx\n",
ppgtt->node.size >> 20,
--
1.8.4.3
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