Merge tag 'drm-intel-fixes-2024-03-01' of...

Merge tag 'drm-intel-fixes-2024-03-01' of https://anongit.freedesktop.org/git/drm/drm-intel into drm-fixes

- Fix to extract HDCP information from primary connector
- Check for NULL mmu_interval_notifier before removing
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZeGOUTfiA0_FNKLg@jlahtine-mobl.ger.corp.intel.com

drivers/gpu/drm/i915/display/intel_dp_hdcp.c

@@ -330,23 +330,13 @@ static const struct hdcp2_dp_msg_data hdcp2_dp_msg_data[] = {
 	  0, 0 },
 };
 
-static struct drm_dp_aux *
-intel_dp_hdcp_get_aux(struct intel_connector *connector)
-{
-	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
-
-	if (intel_encoder_is_mst(connector->encoder))
-		return &connector->port->aux;
-	else
-		return &dig_port->dp.aux;
-}
-
 static int
 intel_dp_hdcp2_read_rx_status(struct intel_connector *connector,
 			      u8 *rx_status)
 {
 	struct drm_i915_private *i915 = to_i915(connector->base.dev);
-	struct drm_dp_aux *aux = intel_dp_hdcp_get_aux(connector);
+	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
+	struct drm_dp_aux *aux = &dig_port->dp.aux;
 	ssize_t ret;
 
 	ret = drm_dp_dpcd_read(aux,
@@ -399,7 +389,9 @@ intel_dp_hdcp2_wait_for_msg(struct intel_connector *connector,
 			    const struct hdcp2_dp_msg_data *hdcp2_msg_data)
 {
 	struct drm_i915_private *i915 = to_i915(connector->base.dev);
-	struct intel_hdcp *hdcp = &connector->hdcp;
+	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
+	struct intel_dp *dp = &dig_port->dp;
+	struct intel_hdcp *hdcp = &dp->attached_connector->hdcp;
 	u8 msg_id = hdcp2_msg_data->msg_id;
 	int ret, timeout;
 	bool msg_ready = false;
@@ -454,8 +446,9 @@ int intel_dp_hdcp2_write_msg(struct intel_connector *connector,
 	unsigned int offset;
 	u8 *byte = buf;
 	ssize_t ret, bytes_to_write, len;
+	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
+	struct drm_dp_aux *aux = &dig_port->dp.aux;
 	const struct hdcp2_dp_msg_data *hdcp2_msg_data;
-	struct drm_dp_aux *aux;
 
 	hdcp2_msg_data = get_hdcp2_dp_msg_data(*byte);
 	if (!hdcp2_msg_data)
@@ -463,8 +456,6 @@ int intel_dp_hdcp2_write_msg(struct intel_connector *connector,
 
 	offset = hdcp2_msg_data->offset;
 
-	aux = intel_dp_hdcp_get_aux(connector);
-
 	/* No msg_id in DP HDCP2.2 msgs */
 	bytes_to_write = size - 1;
 	byte++;
@@ -490,7 +481,8 @@ static
 ssize_t get_receiver_id_list_rx_info(struct intel_connector *connector,
 				     u32 *dev_cnt, u8 *byte)
 {
-	struct drm_dp_aux *aux = intel_dp_hdcp_get_aux(connector);
+	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
+	struct drm_dp_aux *aux = &dig_port->dp.aux;
 	ssize_t ret;
 	u8 *rx_info = byte;
 
@@ -515,8 +507,9 @@ int intel_dp_hdcp2_read_msg(struct intel_connector *connector,
 {
 	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
 	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
-	struct intel_hdcp *hdcp = &connector->hdcp;
-	struct drm_dp_aux *aux;
+	struct drm_dp_aux *aux = &dig_port->dp.aux;
+	struct intel_dp *dp = &dig_port->dp;
+	struct intel_hdcp *hdcp = &dp->attached_connector->hdcp;
 	unsigned int offset;
 	u8 *byte = buf;
 	ssize_t ret, bytes_to_recv, len;
@@ -530,8 +523,6 @@ int intel_dp_hdcp2_read_msg(struct intel_connector *connector,
 		return -EINVAL;
 	offset = hdcp2_msg_data->offset;
 
-	aux = intel_dp_hdcp_get_aux(connector);
-
 	ret = intel_dp_hdcp2_wait_for_msg(connector, hdcp2_msg_data);
 	if (ret < 0)
 		return ret;
@@ -561,11 +552,6 @@ int intel_dp_hdcp2_read_msg(struct intel_connector *connector,
 
 		/* Entire msg read timeout since initiate of msg read */
 		if (bytes_to_recv == size - 1 && hdcp2_msg_data->msg_read_timeout > 0) {
-			if (intel_encoder_is_mst(connector->encoder))
-				msg_end = ktime_add_ms(ktime_get_raw(),
-						       hdcp2_msg_data->msg_read_timeout *
-						       connector->port->parent->num_ports);
-			else
 			msg_end = ktime_add_ms(ktime_get_raw(),
 					       hdcp2_msg_data->msg_read_timeout);
 		}
@@ -651,12 +637,11 @@ static
 int intel_dp_hdcp2_capable(struct intel_connector *connector,
 			   bool *capable)
 {
-	struct drm_dp_aux *aux;
+	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
+	struct drm_dp_aux *aux = &dig_port->dp.aux;
 	u8 rx_caps[3];
 	int ret;
 
-	aux = intel_dp_hdcp_get_aux(connector);
-
 	*capable = false;
 	ret = drm_dp_dpcd_read(aux,
 			       DP_HDCP_2_2_REG_RX_CAPS_OFFSET,

drivers/gpu/drm/i915/gem/i915_gem_userptr.c

@@ -379,6 +379,9 @@ i915_gem_userptr_release(struct drm_i915_gem_object *obj)
 {
 	GEM_WARN_ON(obj->userptr.page_ref);
 
+	if (!obj->userptr.notifier.mm)
+		return;
+
 	mmu_interval_notifier_remove(&obj->userptr.notifier);
 	obj->userptr.notifier.mm = NULL;
 }