summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2023-05-19 11:19:15 +1000
committerDave Airlie <airlied@redhat.com>2023-05-19 11:19:16 +1000
commit8c5be8a885a59bfe5c74ff03fe3d59717b99deae (patch)
treedfc951bad9ceb4d1e06935bd45cd39600e57b81c /drivers
parent90facc4d46301c4fb188899627e3e79b597f83bc (diff)
parent5896f2d363d5cfb7510856c90d5e0ed934a1d340 (diff)
Merge tag 'drm-intel-fixes-2023-05-17' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
Add missing null check for HDCP code. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/ZGUgi7kXq+MiLcCA@jlahtine-mobl.ger.corp.intel.com
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/display/intel_hdcp.c10
1 files 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 = &gt->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 ? &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);