[PATCH 1/3] drm/i915/hdcp: Move HDCP debugfs to intel_hdcp.c
Jani Nikula
jani.nikula at intel.com
Fri Feb 7 10:41:10 UTC 2025
Continue with placing debugfs next to the implementation.
intel_connector_info() still needs intel_hdcp_info(), so we'll need to
expose that too.
Cc: Suraj Kandpal <suraj.kandpal at intel.com>
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
.../drm/i915/display/intel_display_debugfs.c | 74 +----------------
drivers/gpu/drm/i915/display/intel_hdcp.c | 82 +++++++++++++++++++
drivers/gpu/drm/i915/display/intel_hdcp.h | 4 +
3 files changed, 88 insertions(+), 72 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 926f09c35084..e547ea66657d 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -213,38 +213,6 @@ static void intel_panel_info(struct seq_file *m,
intel_seq_print_mode(m, 2, fixed_mode);
}
-static void intel_hdcp_info(struct seq_file *m,
- struct intel_connector *intel_connector,
- bool remote_req)
-{
- bool hdcp_cap = false, hdcp2_cap = false;
-
- if (!intel_connector->hdcp.shim) {
- seq_puts(m, "No Connector Support");
- goto out;
- }
-
- if (remote_req) {
- intel_hdcp_get_remote_capability(intel_connector,
- &hdcp_cap,
- &hdcp2_cap);
- } else {
- hdcp_cap = intel_hdcp_get_capability(intel_connector);
- hdcp2_cap = intel_hdcp2_get_capability(intel_connector);
- }
-
- if (hdcp_cap)
- seq_puts(m, "HDCP1.4 ");
- if (hdcp2_cap)
- seq_puts(m, "HDCP2.2 ");
-
- if (!hdcp_cap && !hdcp2_cap)
- seq_puts(m, "None");
-
-out:
- seq_puts(m, "\n");
-}
-
static void intel_dp_info(struct seq_file *m, struct intel_connector *connector)
{
struct intel_encoder *intel_encoder = intel_attached_encoder(connector);
@@ -309,12 +277,7 @@ static void intel_connector_info(struct seq_file *m,
break;
}
- seq_puts(m, "\tHDCP version: ");
- if (intel_connector->mst_port) {
- intel_hdcp_info(m, intel_connector, true);
- seq_puts(m, "\tMST Hub HDCP version: ");
- }
- intel_hdcp_info(m, intel_connector, false);
+ intel_hdcp_info(m, intel_connector);
seq_printf(m, "\tmax bpc: %u\n", connector->display_info.bpc);
@@ -893,33 +856,6 @@ void intel_display_debugfs_register(struct drm_i915_private *i915)
intel_display_debugfs_params(display);
}
-static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data)
-{
- struct intel_connector *connector = m->private;
- struct drm_i915_private *i915 = to_i915(connector->base.dev);
- int ret;
-
- ret = drm_modeset_lock_single_interruptible(&i915->drm.mode_config.connection_mutex);
- if (ret)
- return ret;
-
- if (!connector->base.encoder ||
- connector->base.status != connector_status_connected) {
- ret = -ENODEV;
- goto out;
- }
-
- seq_printf(m, "%s:%d HDCP version: ", connector->base.name,
- connector->base.base.id);
- intel_hdcp_info(m, connector, false);
-
-out:
- drm_modeset_unlock(&i915->drm.mode_config.connection_mutex);
-
- return ret;
-}
-DEFINE_SHOW_ATTRIBUTE(i915_hdcp_sink_capability);
-
static int i915_lpsp_capability_show(struct seq_file *m, void *data)
{
struct intel_connector *connector = m->private;
@@ -1401,18 +1337,12 @@ void intel_connector_debugfs_add(struct intel_connector *connector)
return;
intel_drrs_connector_debugfs_add(connector);
+ intel_hdcp_connector_debugfs_add(connector);
intel_pps_connector_debugfs_add(connector);
intel_psr_connector_debugfs_add(connector);
intel_alpm_lobf_debugfs_add(connector);
intel_dp_link_training_debugfs_add(connector);
- if (connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
- connector_type == DRM_MODE_CONNECTOR_HDMIA ||
- connector_type == DRM_MODE_CONNECTOR_HDMIB) {
- debugfs_create_file("i915_hdcp_sink_capability", 0444, root,
- connector, &i915_hdcp_sink_capability_fops);
- }
-
if (DISPLAY_VER(i915) >= 11 &&
((connector_type == DRM_MODE_CONNECTOR_DisplayPort && !connector->mst_port) ||
connector_type == DRM_MODE_CONNECTOR_eDP)) {
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index 7cc0399b2a5d..718d8bad77a0 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -9,6 +9,7 @@
*/
#include <linux/component.h>
+#include <linux/debugfs.h>
#include <linux/i2c.h>
#include <linux/random.h>
@@ -2731,3 +2732,84 @@ void intel_hdcp_handle_cp_irq(struct intel_connector *connector)
queue_delayed_work(i915->unordered_wq, &hdcp->check_work, 0);
}
+
+static void __intel_hdcp_info(struct seq_file *m, struct intel_connector *intel_connector,
+ bool remote_req)
+{
+ bool hdcp_cap = false, hdcp2_cap = false;
+
+ if (!intel_connector->hdcp.shim) {
+ seq_puts(m, "No Connector Support");
+ goto out;
+ }
+
+ if (remote_req) {
+ intel_hdcp_get_remote_capability(intel_connector,
+ &hdcp_cap,
+ &hdcp2_cap);
+ } else {
+ hdcp_cap = intel_hdcp_get_capability(intel_connector);
+ hdcp2_cap = intel_hdcp2_get_capability(intel_connector);
+ }
+
+ if (hdcp_cap)
+ seq_puts(m, "HDCP1.4 ");
+ if (hdcp2_cap)
+ seq_puts(m, "HDCP2.2 ");
+
+ if (!hdcp_cap && !hdcp2_cap)
+ seq_puts(m, "None");
+
+out:
+ seq_puts(m, "\n");
+}
+
+void intel_hdcp_info(struct seq_file *m, struct intel_connector *connector)
+{
+ seq_puts(m, "\tHDCP version: ");
+ if (connector->mst_port) {
+ __intel_hdcp_info(m, connector, true);
+ seq_puts(m, "\tMST Hub HDCP version: ");
+ }
+ __intel_hdcp_info(m, connector, false);
+}
+
+static int intel_hdcp_sink_capability_show(struct seq_file *m, void *data)
+{
+ struct intel_connector *connector = m->private;
+ struct drm_i915_private *i915 = to_i915(connector->base.dev);
+ int ret;
+
+ ret = drm_modeset_lock_single_interruptible(&i915->drm.mode_config.connection_mutex);
+ if (ret)
+ return ret;
+
+ if (!connector->base.encoder ||
+ connector->base.status != connector_status_connected) {
+ ret = -ENODEV;
+ goto out;
+ }
+
+ seq_printf(m, "%s:%d HDCP version: ", connector->base.name,
+ connector->base.base.id);
+ __intel_hdcp_info(m, connector, false);
+
+out:
+ drm_modeset_unlock(&i915->drm.mode_config.connection_mutex);
+
+ return ret;
+}
+DEFINE_SHOW_ATTRIBUTE(intel_hdcp_sink_capability);
+
+void intel_hdcp_connector_debugfs_add(struct intel_connector *connector)
+{
+ struct dentry *root = connector->base.debugfs_entry;
+ int connector_type = connector->base.connector_type;
+
+ if (connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
+ connector_type == DRM_MODE_CONNECTOR_HDMIA ||
+ connector_type == DRM_MODE_CONNECTOR_HDMIB) {
+ debugfs_create_file("i915_hdcp_sink_capability", 0444, root,
+ connector, &intel_hdcp_sink_capability_fops);
+ }
+}
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.h b/drivers/gpu/drm/i915/display/intel_hdcp.h
index d99830cfb798..76bd3996f636 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.h
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.h
@@ -19,6 +19,7 @@ struct intel_digital_port;
struct intel_display;
struct intel_encoder;
struct intel_hdcp_shim;
+struct seq_file;
enum port;
enum transcoder;
@@ -48,4 +49,7 @@ void intel_hdcp_component_fini(struct intel_display *display);
void intel_hdcp_cleanup(struct intel_connector *connector);
void intel_hdcp_handle_cp_irq(struct intel_connector *connector);
+void intel_hdcp_info(struct seq_file *m, struct intel_connector *connector);
+void intel_hdcp_connector_debugfs_add(struct intel_connector *connector);
+
#endif /* __INTEL_HDCP_H__ */
--
2.39.5
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