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drm/amd/display: add authentication_complete in hdcp output

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[why]
DM needs to be notified when hdcp module has completed
authentication attempt.

Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wenjing Liu 2021-07-26 14:59:03 -04:00 committed by Alex Deucher
parent 56aca23093
commit 0a95fab36a
7 changed files with 93 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
View File

@ -145,6 +145,7 @@ static enum mod_hdcp_status transition(struct mod_hdcp *hdcp,
} else {
callback_in_ms(0, output);
set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED);
set_auth_complete(hdcp, output);
}
else if (is_hdmi_dvi_sl_hdcp(hdcp))
if (is_cp_desired_hdcp2(hdcp)) {
@ -156,10 +157,12 @@ static enum mod_hdcp_status transition(struct mod_hdcp *hdcp,
} else {
callback_in_ms(0, output);
set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED);
set_auth_complete(hdcp, output);
}
else {
callback_in_ms(0, output);
set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED);
set_auth_complete(hdcp, output);
}
} else if (is_in_cp_not_desired_state(hdcp)) {
increment_stay_counter(hdcp);
@ -520,7 +523,7 @@ enum mod_hdcp_status mod_hdcp_process_event(struct mod_hdcp *hdcp,
/* reset authentication if needed */
if (trans_status == MOD_HDCP_STATUS_RESET_NEEDED) {
HDCP_FULL_DDC_TRACE(hdcp);
mod_hdcp_log_ddc_trace(hdcp);
reset_status = reset_authentication(hdcp, output);
if (reset_status != MOD_HDCP_STATUS_SUCCESS)
push_error_status(hdcp, reset_status);

8
drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
View File

@ -324,6 +324,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_dp_transition(struct mod_hdcp *hdcp,
/* log functions */
void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size,
uint8_t *buf, uint32_t buf_size);
void mod_hdcp_log_ddc_trace(struct mod_hdcp *hdcp);
/* TODO: add adjustment log */
/* psp functions */
@ -494,6 +495,13 @@ static inline void set_watchdog_in_ms(struct mod_hdcp *hdcp, uint16_t time,
output->watchdog_timer_delay = time;
}
static inline void set_auth_complete(struct mod_hdcp *hdcp,
struct mod_hdcp_output *output)
{
output->auth_complete = 1;
mod_hdcp_log_ddc_trace(hdcp);
}
/* connection topology helpers */
static inline uint8_t is_display_active(struct mod_hdcp_display *display)
{

8
drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c
View File

@ -89,7 +89,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_transition(struct mod_hdcp *hdcp,
} else {
callback_in_ms(0, output);
set_state_id(hdcp, output, H1_A45_AUTHENTICATED);
HDCP_FULL_DDC_TRACE(hdcp);
set_auth_complete(hdcp, output);
}
break;
case H1_A45_AUTHENTICATED:
@ -137,7 +137,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_transition(struct mod_hdcp *hdcp,
}
callback_in_ms(0, output);
set_state_id(hdcp, output, H1_A45_AUTHENTICATED);
HDCP_FULL_DDC_TRACE(hdcp);
set_auth_complete(hdcp, output);
break;
default:
status = MOD_HDCP_STATUS_INVALID_STATE;
@ -239,7 +239,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_dp_transition(struct mod_hdcp *hdcp,
set_state_id(hdcp, output, D1_A6_WAIT_FOR_READY);
} else {
set_state_id(hdcp, output, D1_A4_AUTHENTICATED);
HDCP_FULL_DDC_TRACE(hdcp);
set_auth_complete(hdcp, output);
}
break;
case D1_A4_AUTHENTICATED:
@ -311,7 +311,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_dp_transition(struct mod_hdcp *hdcp,
break;
}
set_state_id(hdcp, output, D1_A4_AUTHENTICATED);
HDCP_FULL_DDC_TRACE(hdcp);
set_auth_complete(hdcp, output);
break;
default:
fail_and_restart_in_ms(0, &status, output);

4
drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
View File

@ -242,7 +242,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_transition(struct mod_hdcp *hdcp,
}
callback_in_ms(0, output);
set_state_id(hdcp, output, H2_A5_AUTHENTICATED);
HDCP_FULL_DDC_TRACE(hdcp);
set_auth_complete(hdcp, output);
break;
case H2_A5_AUTHENTICATED:
if (input->rxstatus_read == FAIL ||
@ -559,7 +559,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_dp_transition(struct mod_hdcp *hdcp,
break;
}
set_state_id(hdcp, output, D2_A5_AUTHENTICATED);
HDCP_FULL_DDC_TRACE(hdcp);
set_auth_complete(hdcp, output);
break;
case D2_A5_AUTHENTICATED:
if (input->rxstatus_read == FAIL ||

74
drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c
View File

@ -51,6 +51,80 @@ void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size,
}
}
void mod_hdcp_log_ddc_trace(struct mod_hdcp *hdcp)
{
if (is_hdcp1(hdcp)) {
HDCP_DDC_READ_TRACE(hdcp, "BKSV", hdcp->auth.msg.hdcp1.bksv,
sizeof(hdcp->auth.msg.hdcp1.bksv));
HDCP_DDC_READ_TRACE(hdcp, "BCAPS", &hdcp->auth.msg.hdcp1.bcaps,
sizeof(hdcp->auth.msg.hdcp1.bcaps));
HDCP_DDC_READ_TRACE(hdcp, "BSTATUS",
(uint8_t *)&hdcp->auth.msg.hdcp1.bstatus,
sizeof(hdcp->auth.msg.hdcp1.bstatus));
HDCP_DDC_WRITE_TRACE(hdcp, "AN", hdcp->auth.msg.hdcp1.an,
sizeof(hdcp->auth.msg.hdcp1.an));
HDCP_DDC_WRITE_TRACE(hdcp, "AKSV", hdcp->auth.msg.hdcp1.aksv,
sizeof(hdcp->auth.msg.hdcp1.aksv));
HDCP_DDC_WRITE_TRACE(hdcp, "AINFO", &hdcp->auth.msg.hdcp1.ainfo,
sizeof(hdcp->auth.msg.hdcp1.ainfo));
HDCP_DDC_READ_TRACE(hdcp, "RI' / R0'",
(uint8_t *)&hdcp->auth.msg.hdcp1.r0p,
sizeof(hdcp->auth.msg.hdcp1.r0p));
HDCP_DDC_READ_TRACE(hdcp, "BINFO",
(uint8_t *)&hdcp->auth.msg.hdcp1.binfo_dp,
sizeof(hdcp->auth.msg.hdcp1.binfo_dp));
HDCP_DDC_READ_TRACE(hdcp, "KSVLIST", hdcp->auth.msg.hdcp1.ksvlist,
hdcp->auth.msg.hdcp1.ksvlist_size);
HDCP_DDC_READ_TRACE(hdcp, "V'", hdcp->auth.msg.hdcp1.vp,
sizeof(hdcp->auth.msg.hdcp1.vp));
} else if (is_hdcp2(hdcp)) {
HDCP_DDC_READ_TRACE(hdcp, "HDCP2Version",
&hdcp->auth.msg.hdcp2.hdcp2version_hdmi,
sizeof(hdcp->auth.msg.hdcp2.hdcp2version_hdmi));
HDCP_DDC_READ_TRACE(hdcp, "Rx Caps", hdcp->auth.msg.hdcp2.rxcaps_dp,
sizeof(hdcp->auth.msg.hdcp2.rxcaps_dp));
HDCP_DDC_WRITE_TRACE(hdcp, "AKE Init", hdcp->auth.msg.hdcp2.ake_init,
sizeof(hdcp->auth.msg.hdcp2.ake_init));
HDCP_DDC_READ_TRACE(hdcp, "AKE Cert", hdcp->auth.msg.hdcp2.ake_cert,
sizeof(hdcp->auth.msg.hdcp2.ake_cert));
HDCP_DDC_WRITE_TRACE(hdcp, "Stored KM",
hdcp->auth.msg.hdcp2.ake_stored_km,
sizeof(hdcp->auth.msg.hdcp2.ake_stored_km));
HDCP_DDC_WRITE_TRACE(hdcp, "No Stored KM",
hdcp->auth.msg.hdcp2.ake_no_stored_km,
sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km));
HDCP_DDC_READ_TRACE(hdcp, "H'", hdcp->auth.msg.hdcp2.ake_h_prime,
sizeof(hdcp->auth.msg.hdcp2.ake_h_prime));
HDCP_DDC_READ_TRACE(hdcp, "Pairing Info",
hdcp->auth.msg.hdcp2.ake_pairing_info,
sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info));
HDCP_DDC_WRITE_TRACE(hdcp, "LC Init", hdcp->auth.msg.hdcp2.lc_init,
sizeof(hdcp->auth.msg.hdcp2.lc_init));
HDCP_DDC_READ_TRACE(hdcp, "L'", hdcp->auth.msg.hdcp2.lc_l_prime,
sizeof(hdcp->auth.msg.hdcp2.lc_l_prime));
HDCP_DDC_WRITE_TRACE(hdcp, "Exchange KS", hdcp->auth.msg.hdcp2.ske_eks,
sizeof(hdcp->auth.msg.hdcp2.ske_eks));
HDCP_DDC_READ_TRACE(hdcp, "Rx Status",
(uint8_t *)&hdcp->auth.msg.hdcp2.rxstatus,
sizeof(hdcp->auth.msg.hdcp2.rxstatus));
HDCP_DDC_READ_TRACE(hdcp, "Rx Id List",
hdcp->auth.msg.hdcp2.rx_id_list,
hdcp->auth.msg.hdcp2.rx_id_list_size);
HDCP_DDC_WRITE_TRACE(hdcp, "Rx Id List Ack",
hdcp->auth.msg.hdcp2.repeater_auth_ack,
sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack));
HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Management",
hdcp->auth.msg.hdcp2.repeater_auth_stream_manage,
hdcp->auth.msg.hdcp2.stream_manage_size);
HDCP_DDC_READ_TRACE(hdcp, "Stream Ready",
hdcp->auth.msg.hdcp2.repeater_auth_stream_ready,
sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready));
HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Type",
hdcp->auth.msg.hdcp2.content_stream_type_dp,
sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp));
}
}
char *mod_hdcp_status_to_str(int32_t status)
{
switch (status) {

72
drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h
View File

@ -106,78 +106,6 @@
hdcp->config.index, msg_name,\
hdcp->buf); \
} while (0)
#define HDCP_FULL_DDC_TRACE(hdcp) do { \
if (is_hdcp1(hdcp)) { \
HDCP_DDC_READ_TRACE(hdcp, "BKSV", hdcp->auth.msg.hdcp1.bksv, \
sizeof(hdcp->auth.msg.hdcp1.bksv)); \
HDCP_DDC_READ_TRACE(hdcp, "BCAPS", &hdcp->auth.msg.hdcp1.bcaps, \
sizeof(hdcp->auth.msg.hdcp1.bcaps)); \
HDCP_DDC_READ_TRACE(hdcp, "BSTATUS", \
(uint8_t *)&hdcp->auth.msg.hdcp1.bstatus, \
sizeof(hdcp->auth.msg.hdcp1.bstatus)); \
HDCP_DDC_WRITE_TRACE(hdcp, "AN", hdcp->auth.msg.hdcp1.an, \
sizeof(hdcp->auth.msg.hdcp1.an)); \
HDCP_DDC_WRITE_TRACE(hdcp, "AKSV", hdcp->auth.msg.hdcp1.aksv, \
sizeof(hdcp->auth.msg.hdcp1.aksv)); \
HDCP_DDC_WRITE_TRACE(hdcp, "AINFO", &hdcp->auth.msg.hdcp1.ainfo, \
sizeof(hdcp->auth.msg.hdcp1.ainfo)); \
HDCP_DDC_READ_TRACE(hdcp, "RI' / R0'", \
(uint8_t *)&hdcp->auth.msg.hdcp1.r0p, \
sizeof(hdcp->auth.msg.hdcp1.r0p)); \
HDCP_DDC_READ_TRACE(hdcp, "BINFO", \
(uint8_t *)&hdcp->auth.msg.hdcp1.binfo_dp, \
sizeof(hdcp->auth.msg.hdcp1.binfo_dp)); \
HDCP_DDC_READ_TRACE(hdcp, "KSVLIST", hdcp->auth.msg.hdcp1.ksvlist, \
hdcp->auth.msg.hdcp1.ksvlist_size); \
HDCP_DDC_READ_TRACE(hdcp, "V'", hdcp->auth.msg.hdcp1.vp, \
sizeof(hdcp->auth.msg.hdcp1.vp)); \
} else { \
HDCP_DDC_READ_TRACE(hdcp, "HDCP2Version", \
&hdcp->auth.msg.hdcp2.hdcp2version_hdmi, \
sizeof(hdcp->auth.msg.hdcp2.hdcp2version_hdmi)); \
HDCP_DDC_READ_TRACE(hdcp, "Rx Caps", hdcp->auth.msg.hdcp2.rxcaps_dp, \
sizeof(hdcp->auth.msg.hdcp2.rxcaps_dp)); \
HDCP_DDC_WRITE_TRACE(hdcp, "AKE Init", hdcp->auth.msg.hdcp2.ake_init, \
sizeof(hdcp->auth.msg.hdcp2.ake_init)); \
HDCP_DDC_READ_TRACE(hdcp, "AKE Cert", hdcp->auth.msg.hdcp2.ake_cert, \
sizeof(hdcp->auth.msg.hdcp2.ake_cert)); \
HDCP_DDC_WRITE_TRACE(hdcp, "Stored KM", \
hdcp->auth.msg.hdcp2.ake_stored_km, \
sizeof(hdcp->auth.msg.hdcp2.ake_stored_km)); \
HDCP_DDC_WRITE_TRACE(hdcp, "No Stored KM", \
hdcp->auth.msg.hdcp2.ake_no_stored_km, \
sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)); \
HDCP_DDC_READ_TRACE(hdcp, "H'", hdcp->auth.msg.hdcp2.ake_h_prime, \
sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)); \
HDCP_DDC_READ_TRACE(hdcp, "Pairing Info", \
hdcp->auth.msg.hdcp2.ake_pairing_info, \
sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)); \
HDCP_DDC_WRITE_TRACE(hdcp, "LC Init", hdcp->auth.msg.hdcp2.lc_init, \
sizeof(hdcp->auth.msg.hdcp2.lc_init)); \
HDCP_DDC_READ_TRACE(hdcp, "L'", hdcp->auth.msg.hdcp2.lc_l_prime, \
sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)); \
HDCP_DDC_WRITE_TRACE(hdcp, "Exchange KS", hdcp->auth.msg.hdcp2.ske_eks, \
sizeof(hdcp->auth.msg.hdcp2.ske_eks)); \
HDCP_DDC_READ_TRACE(hdcp, "Rx Status", \
(uint8_t *)&hdcp->auth.msg.hdcp2.rxstatus, \
sizeof(hdcp->auth.msg.hdcp2.rxstatus)); \
HDCP_DDC_READ_TRACE(hdcp, "Rx Id List", \
hdcp->auth.msg.hdcp2.rx_id_list, \
hdcp->auth.msg.hdcp2.rx_id_list_size); \
HDCP_DDC_WRITE_TRACE(hdcp, "Rx Id List Ack", \
hdcp->auth.msg.hdcp2.repeater_auth_ack, \
sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack)); \
HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Management", \
hdcp->auth.msg.hdcp2.repeater_auth_stream_manage, \
hdcp->auth.msg.hdcp2.stream_manage_size); \
HDCP_DDC_READ_TRACE(hdcp, "Stream Ready", \
hdcp->auth.msg.hdcp2.repeater_auth_stream_ready, \
sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)); \
HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Type", \
hdcp->auth.msg.hdcp2.content_stream_type_dp, \
sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp)); \
} \
} while (0)
#define HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, i) \
HDCP_LOG_TOP(hdcp, "[Link %d]\tadd display %d", \
hdcp->config.index, i)

1
drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
View File

@ -225,6 +225,7 @@ struct mod_hdcp_output {
uint8_t watchdog_timer_stop;
uint16_t callback_delay;
uint16_t watchdog_timer_delay;
uint8_t auth_complete;
};
/* used to represent per display info */