In order to support the PSR state of each transcoder, it adds
i915_psr_status to sub-directory of each transcoder.
v2: Change using of Symbolic permissions 'S_IRUGO' to using of octal
permissions '0444'
Signed-off-by: Gwan-gyeong Mun <gwan-gyeong....@intel.com>
Cc: José Roberto de Souza <jose.so...@intel.com>
---
.../drm/i915/display/intel_display_debugfs.c | 23 +++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 8402e6ac9f76..37805615a221 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -2093,6 +2093,23 @@ static int i915_hdcp_sink_capability_show(struct
seq_file *m, void *data)
}
DEFINE_SHOW_ATTRIBUTE(i915_hdcp_sink_capability);
+static int i915_psr_status_show(struct seq_file *m, void *data)
+{
+ struct drm_connector *connector = m->private;
+ struct intel_dp *intel_dp =
+ intel_attached_dp(to_intel_connector(connector));
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+
+ if (connector->status != connector_status_connected)
+ return -ENODEV;
+
+ if (!HAS_PSR(dev_priv))
+ return -ENODEV;
+
+ return intel_psr_status(m, intel_dp);
+}
+DEFINE_SHOW_ATTRIBUTE(i915_psr_status);
+
#define LPSP_CAPABLE(COND) (COND ? seq_puts(m, "LPSP: capable\n") : \
seq_puts(m, "LPSP: incapable\n"))
@@ -2268,6 +2285,12 @@ int intel_connector_debugfs_add(struct drm_connector
*connector)
connector, &i915_psr_sink_status_fops);
}
+ if (INTEL_GEN(dev_priv) >= 12 &&
+ connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
+ debugfs_create_file("i915_psr_status", 0444, root,
+ connector, &i915_psr_status_fops);
+ }
+
if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) {
--
2.25.0
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