v2: minor conflict in i915_debugfs.c
v3: Rebase on top of the for_each_pipe() change adding dev_priv as first
argument.
v4: minor conflict in the i915_debugfs_files array
v5: minor conflict in the i915_debugfs_files array
Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Signed-off-by: Damien Lespiau <damien.lesp...@intel.com>
---
drivers/gpu/drm/i915/i915_debugfs.c | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
b/drivers/gpu/drm/i915/i915_debugfs.c
index b1cbfbf..319da61 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2679,6 +2679,42 @@ static int i915_wa_registers(struct seq_file *m, void
*unused)
return 0;
}
+static int i915_ddb_info(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct skl_ddb_allocation *ddb;
+ struct skl_ddb_entry *entry;
+ enum pipe pipe;
+ int plane;
+
+ drm_modeset_lock_all(dev);
+
+ ddb = &dev_priv->wm.skl_hw.ddb;
+
+ seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size");
+
+ for_each_pipe(dev_priv, pipe) {
+ seq_printf(m, "Pipe %c\n", pipe_name(pipe));
+
+ for_each_plane(pipe, plane) {
+ entry = &ddb->plane[pipe][plane];
+ seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane + 1,
+ entry->start, entry->end,
+ skl_ddb_entry_size(entry));
+ }
+
+ entry = &ddb->cursor[pipe];
+ seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start,
+ entry->end, skl_ddb_entry_size(entry));
+ }
+
+ drm_modeset_unlock_all(dev);
+
+ return 0;
+}
+
struct pipe_crc_info {
const char *name;
struct drm_device *dev;
@@ -4252,6 +4288,7 @@ static const struct drm_info_list i915_debugfs_list[] = {
{"i915_shared_dplls_info", i915_shared_dplls_info, 0},
{"i915_dp_mst_info", i915_dp_mst_info, 0},
{"i915_wa_registers", i915_wa_registers, 0},
+ {"i915_ddb_info", i915_ddb_info, 0},
};
#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
--
1.8.3.1
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