Check if media_gt exists if we are using gsc cs
--v2
-correct typo [Ankit]
-assign gsc variable if gt exists [Ankit]
--v3
-declare gsc and gt variables in if block [Ankit]
--v4
-add fixes tag [Ankit]
Fixes: 883631771038 ("drm/i915/mtl: Add HDCP GSC interface")
Cc: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: Uma Shankar <uma.shankar@xxxxxxxxx>
Cc: Anshuman Gupta <anshuman.gupta@xxxxxxxxx>
Cc: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
Signed-off-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
Reviewed-by: Gustavo Sousa <gustavo.sousa@xxxxxxxxx>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_hdcp.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index 650232c4892b..b183efab04a1 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -204,8 +204,6 @@ bool intel_hdcp2_capable(struct intel_connector *connector)
struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
struct intel_hdcp *hdcp = &connector->hdcp;
- struct intel_gt *gt = dev_priv->media_gt;
- struct intel_gsc_uc *gsc = >->uc.gsc;
bool capable = false;
/* I915 support for HDCP2.2 */
@@ -213,9 +211,13 @@ bool intel_hdcp2_capable(struct intel_connector *connector)
return false;
/* If MTL+ make sure gsc is loaded and proxy is setup */
- if (intel_hdcp_gsc_cs_required(dev_priv))
- if (!intel_uc_fw_is_running(&gsc->fw))
+ if (intel_hdcp_gsc_cs_required(dev_priv)) {
+ struct intel_gt *gt = dev_priv->media_gt;
+ struct intel_gsc_uc *gsc = gt ? >->uc.gsc : NULL;
+
+ if (!gsc || !intel_uc_fw_is_running(&gsc->fw))
return false;
+ }
/* MEI/GSC interface is solid depending on which is used */
mutex_lock(&dev_priv->display.hdcp.comp_mutex);
--
2.25.1
