summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/xe/display
diff options
context:
space:
mode:
authorSuraj Kandpal <suraj.kandpal@intel.com>2024-07-22 12:14:51 +0530
committerSuraj Kandpal <suraj.kandpal@intel.com>2024-07-25 08:55:26 +0530
commitb4224f6bae3801d589f815672ec62800a1501b0d (patch)
tree9248a4ca78275eb92994c4e3b8728a138a0d581f /drivers/gpu/drm/xe/display
parentd34f4f058edf1235c103ca9c921dc54820d14d40 (diff)
drm/xe/hdcp: Check GSC structure validity
Sometimes xe_gsc is not initialized when checked at HDCP capability check. Add gsc structure check to avoid null pointer error. Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240722064451.3610512-4-suraj.kandpal@intel.com
Diffstat (limited to 'drivers/gpu/drm/xe/display')
-rw-r--r--drivers/gpu/drm/xe/display/xe_hdcp_gsc.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c b/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c
index 14b8b4278317..3550f7360a64 100644
--- a/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c
+++ b/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c
@@ -40,10 +40,14 @@ bool intel_hdcp_gsc_check_status(struct xe_device *xe)
{
struct xe_tile *tile = xe_device_get_root_tile(xe);
struct xe_gt *gt = tile->media_gt;
+ struct xe_gsc *gsc = &gt->uc.gsc;
bool ret = true;
- if (!xe_uc_fw_is_enabled(&gt->uc.gsc.fw))
+ if (!gsc && !xe_uc_fw_is_enabled(&gsc->fw)) {
+ drm_dbg_kms(&xe->drm,
+ "GSC Components not ready for HDCP2.x\n");
return false;
+ }
xe_pm_runtime_get(xe);
if (xe_force_wake_get(gt_to_fw(gt), XE_FW_GSC)) {
@@ -53,7 +57,7 @@ bool intel_hdcp_gsc_check_status(struct xe_device *xe)
goto out;
}
- if (!xe_gsc_proxy_init_done(&gt->uc.gsc))
+ if (!xe_gsc_proxy_init_done(gsc))
ret = false;
xe_force_wake_put(gt_to_fw(gt), XE_FW_GSC);