To make users life a little easier figuring out what they have on their
system.
Ideally, I'd really like to report LLC size, but it turned out to be a
bit of a pain. Maybe I'll revisit it in the future.
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
---
drivers/gpu/drm/i915/i915_debugfs.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
b/drivers/gpu/drm/i915/i915_debugfs.c
index 3e36756..b75d0a6 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1941,6 +1941,19 @@ static int i915_dpio_info(struct seq_file *m, void *data)
return 0;
}
+static int i915_llc(struct seq_file *m, void *data)
+{
+ 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;
+
+ /* Size calculation for LLC is a bit of a pain. Ignore for now. */
+ seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev)));
+ seq_printf(m, "eLLC: %zuMB\n", dev_priv->ellc_size);
+
+ return 0;
+}
+
static int
i915_wedged_get(void *data, u64 *val)
{
@@ -2370,6 +2383,7 @@ static struct drm_info_list i915_debugfs_list[] = {
{"i915_swizzle_info", i915_swizzle_info, 0},
{"i915_ppgtt_info", i915_ppgtt_info, 0},
{"i915_dpio", i915_dpio_info, 0},
+ {"i915_llc", i915_llc, 0},
};
#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
--
1.8.3
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