samsung-sm8650/android_kernel_samsung_sm8650-modules
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disp: msm: dp: Add event logs for HDCP sessions

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Add event logs to capture HDCP state transitions and errors.

Change-Id: Id82049b93eb2e8bf84faddebaa0959f8cda1c91f
Signed-off-by: poyewu <poyewu@codeaurora.org>
This commit is contained in:
poyewu
2020-05-27 12:47:30 -04:00
parent c851d28bca
commit 5385b6a34b
3 changed files with 31 additions and 0 deletions
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11
msm/sde_hdcp_2x.c
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@@ -151,6 +151,7 @@ static const struct sde_hdcp_2x_msg_data
static int sde_hdcp_2x_get_next_message(struct sde_hdcp_2x_ctrl *hdcp,
struct hdcp_transport_wakeup_data *data)
{
SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_ENTRY, hdcp->last_msg);
switch (hdcp->last_msg) {
case INVALID_MESSAGE:
return AKE_INIT;
@@ -202,6 +203,7 @@ static int sde_hdcp_2x_get_next_message(struct sde_hdcp_2x_ctrl *hdcp,
pr_err("Unknown message ID (%d)\n", hdcp->last_msg);
return -EINVAL;
}
SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_EXIT);
}
static void sde_hdcp_2x_wait_for_response(struct sde_hdcp_2x_ctrl *hdcp)
@@ -351,6 +353,7 @@ static void sde_hdcp_2x_clean(struct sde_hdcp_2x_ctrl *hdcp)
struct sde_hdcp_stream *stream_entry;
struct hdcp_transport_wakeup_data cdata = {HDCP_TRANSPORT_CMD_INVALID};
SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_ENTRY, hdcp->authenticated);
hdcp->authenticated = false;
cdata.context = hdcp->client_data;
@@ -372,6 +375,7 @@ static void sde_hdcp_2x_clean(struct sde_hdcp_2x_ctrl *hdcp)
sde_hdcp_2x_wakeup_client(hdcp, &cdata);
hdcp2_app_comm(hdcp->hdcp2_ctx, HDCP2_CMD_STOP, &hdcp->app_data);
SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_EXIT, hdcp->authenticated);
}
static u8 sde_hdcp_2x_stream_type(u8 min_enc_level)
@@ -474,6 +478,8 @@ static void sde_hdcp_2x_msg_sent(struct sde_hdcp_2x_ctrl *hdcp)
HDCP_TRANSPORT_CMD_INVALID,
hdcp->client_data};
SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_ENTRY, hdcp->authenticated,
hdcp->app_data.response.data[0]);
switch (hdcp->app_data.response.data[0]) {
case SKE_SEND_TYPE_ID:
if (!hdcp2_app_comm(hdcp->hdcp2_ctx,
@@ -525,6 +531,7 @@ static void sde_hdcp_2x_msg_sent(struct sde_hdcp_2x_ctrl *hdcp)
}
sde_hdcp_2x_wakeup_client(hdcp, &cdata);
SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_EXIT, hdcp->authenticated);
}
static void sde_hdcp_2x_init(struct sde_hdcp_2x_ctrl *hdcp)
@@ -539,6 +546,7 @@ static void sde_hdcp_2x_start_auth(struct sde_hdcp_2x_ctrl *hdcp)
{
int rc;
SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_ENTRY, hdcp->authenticated);
rc = hdcp2_app_comm(hdcp->hdcp2_ctx, HDCP2_CMD_START_AUTH,
&hdcp->app_data);
if (rc) {
@@ -550,6 +558,7 @@ static void sde_hdcp_2x_start_auth(struct sde_hdcp_2x_ctrl *hdcp)
sde_hdcp_2x_message_name(hdcp->app_data.response.data[0]));
sde_hdcp_2x_send_message(hdcp);
SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_EXIT, hdcp->authenticated);
}
static void sde_hdcp_2x_timeout(struct sde_hdcp_2x_ctrl *hdcp)
@@ -584,6 +593,7 @@ static void sde_hdcp_2x_msg_recvd(struct sde_hdcp_2x_ctrl *hdcp)
u32 request_length, out_msg;
struct hdcp_transport_wakeup_data cdata = {HDCP_TRANSPORT_CMD_INVALID};
SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_ENTRY, hdcp->authenticated);
if (atomic_read(&hdcp->hdcp_off)) {
pr_debug("invalid state, hdcp off\n");
return;
@@ -688,6 +698,7 @@ exit:
if (rc && !atomic_read(&hdcp->hdcp_off))
sde_hdcp_2x_clean(hdcp);
SDE_EVT32_EXTERNAL(SDE_EVTLOG_FUNC_EXIT, hdcp->authenticated);
}
static struct list_head *sde_hdcp_2x_stream_present(