Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
---
drivers/gpu/drm/i915/i915_debugfs.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
b/drivers/gpu/drm/i915/i915_debugfs.c
index 5f3666a..04d40fa 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1785,10 +1785,26 @@ static void gen8_ppgtt_info(struct seq_file *m, struct
drm_device *dev, int verb
}
}
+static size_t gen6_ppgtt_count_pt_pages(struct i915_hw_ppgtt *ppgtt)
+{
+ struct i915_pagedir *pd = &ppgtt->pd;
+ struct i915_pagetab **pt = &pd->page_tables[0];
+ size_t cnt = 0;
+ int i;
+
+ for (i = 0; i < ppgtt->num_pd_entries; i++) {
+ if (pt[i] != ppgtt->scratch_pt)
+ cnt++;
+ }
+
+ return cnt;
+}
+
static void print_ppgtt(struct seq_file *m, struct i915_hw_ppgtt *ppgtt, const
char *name)
{
seq_printf(m, "%s:\n", name);
seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd.pd_offset);
+ seq_printf(m, "\tpd pages: %zu\n", gen6_ppgtt_count_pt_pages(ppgtt));
}
static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev, bool
verbose)
@@ -1809,6 +1825,8 @@ static void gen6_ppgtt_info(struct seq_file *m, struct
drm_device *dev, bool ver
seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n",
I915_READ(RING_PP_DIR_BASE_READ(ring)));
seq_printf(m, "PP_DIR_DCLV: 0x%08x\n",
I915_READ(RING_PP_DIR_DCLV(ring)));
}
+ seq_printf(m, "ECOCHK: 0x%08x\n\n", I915_READ(GAM_ECOCHK));
+
if (dev_priv->mm.aliasing_ppgtt) {
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
@@ -1829,7 +1847,6 @@ static void gen6_ppgtt_info(struct seq_file *m, struct
drm_device *dev, bool ver
if (verbose)
idr_for_each(&file_priv->context_idr, per_file_ctx, m);
}
- seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK));
}
static int i915_ppgtt_info(struct seq_file *m, void *data)
--
1.9.0
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