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drm/i915/bdw: ppgtt info in debugfs

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It's not so much that the information is terribly useful, but rather
that the gen6/7 information is completely useless.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky 2013-11-02 21:07:30 -07:00 committed by Daniel Vetter
parent b42218c19f
commit 77df677291
1 changed files with 42 additions and 7 deletions
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49
drivers/gpu/drm/i915/i915_debugfs.c
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@ -1646,18 +1646,37 @@ static int i915_swizzle_info(struct seq_file *m, void *data)
return 0;
}
static int i915_ppgtt_info(struct seq_file *m, void *data)
static void gen8_ppgtt_info(struct seq_file *m, struct drm_device *dev)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring;
int i, ret;
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
int unused, i;
if (!ppgtt)
return;
seq_printf(m, "Page directories: %d\n", ppgtt->num_pd_pages);
seq_printf(m, "Page tables: %d\n", ppgtt->num_pt_pages);
for_each_ring(ring, dev_priv, unused) {
seq_printf(m, "%s\n", ring->name);
for (i = 0; i < 4; i++) {
u32 offset = 0x270 + i * 8;
u64 pdp = I915_READ(ring->mmio_base + offset + 4);
pdp <<= 32;
pdp |= I915_READ(ring->mmio_base + offset);
for (i = 0; i < 4; i++)
seq_printf(m, "\tPDP%d 0x%016llx\n", i, pdp);
}
}
}
static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring;
int i;
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
return ret;
if (INTEL_INFO(dev)->gen == 6)
seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE));
@ -1676,6 +1695,22 @@ static int i915_ppgtt_info(struct seq_file *m, void *data)
seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd_offset);
}
seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK));
}
static int i915_ppgtt_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
int ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
return ret;
if (INTEL_INFO(dev)->gen >= 8)
gen8_ppgtt_info(m, dev);
else if (INTEL_INFO(dev)->gen >= 6)
gen6_ppgtt_info(m, dev);
mutex_unlock(&dev->struct_mutex);
return 0;