diff options
| author | Ramalingam C <ramalingam.c@intel.com> | 2019-05-07 21:57:37 +0530 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2019-05-09 09:44:41 +0200 |
| commit | 0de655cae416b20ed7876adb480e5c65810274ea (patch) | |
| tree | 9f9891ab49f7adbd6ec99149c055f1c275310233 /drivers/gpu | |
| parent | 43318c0ae38f78a1e3b2509b63bc8523daaa806b (diff) | |
drm: generic fn converting be24 to cpu and vice versa
Existing functions for converting a 3bytes(be24) of big endian value
into u32 of little endian and vice versa are renamed as
s/drm_hdcp2_seq_num_to_u32/drm_hdcp_be24_to_cpu
s/drm_hdcp2_u32_to_seq_num/drm_hdcp_cpu_to_be24
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
cc: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190507162745.25600-4-ramalingam.c@intel.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdcp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdcp.c b/drivers/gpu/drm/i915/intel_hdcp.c index b8c8d6d1a33d..c308dfee9ca4 100644 --- a/drivers/gpu/drm/i915/intel_hdcp.c +++ b/drivers/gpu/drm/i915/intel_hdcp.c @@ -1305,7 +1305,7 @@ int hdcp2_propagate_stream_management_info(struct intel_connector *connector) /* Prepare RepeaterAuth_Stream_Manage msg */ msgs.stream_manage.msg_id = HDCP_2_2_REP_STREAM_MANAGE; - drm_hdcp2_u32_to_seq_num(msgs.stream_manage.seq_num_m, hdcp->seq_num_m); + drm_hdcp_cpu_to_be24(msgs.stream_manage.seq_num_m, hdcp->seq_num_m); /* K no of streams is fixed as 1. Stored as big-endian. */ msgs.stream_manage.k = cpu_to_be16(1); @@ -1370,7 +1370,8 @@ int hdcp2_authenticate_repeater_topology(struct intel_connector *connector) } /* Converting and Storing the seq_num_v to local variable as DWORD */ - seq_num_v = drm_hdcp2_seq_num_to_u32(msgs.recvid_list.seq_num_v); + seq_num_v = + drm_hdcp_be24_to_cpu((const u8 *)msgs.recvid_list.seq_num_v); if (seq_num_v < hdcp->seq_num_v) { /* Roll over of the seq_num_v from repeater. Reauthenticate. */ |