diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c | 53 |
1 files changed, 43 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c index 1d41dd58f6bc..bb8ae80b37f8 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c @@ -452,21 +452,12 @@ out: return status; } -static enum mod_hdcp_status locality_check(struct mod_hdcp *hdcp, +static enum mod_hdcp_status locality_check_sw(struct mod_hdcp *hdcp, struct mod_hdcp_event_context *event_ctx, struct mod_hdcp_transition_input_hdcp2 *input) { enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; - if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { - event_ctx->unexpected_event = 1; - goto out; - } - - if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_prepare_lc_init, - &input->lc_init_prepare, &status, - hdcp, "lc_init_prepare")) - goto out; if (!mod_hdcp_execute_and_set(mod_hdcp_write_lc_init, &input->lc_init_write, &status, hdcp, "lc_init_write")) @@ -482,6 +473,48 @@ static enum mod_hdcp_status locality_check(struct mod_hdcp *hdcp, &input->l_prime_read, &status, hdcp, "l_prime_read")) goto out; +out: + return status; +} + +static enum mod_hdcp_status locality_check_fw(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp2 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (!mod_hdcp_execute_and_set(mod_hdcp_write_poll_read_lc_fw, + &input->l_prime_read, &status, + hdcp, "l_prime_read")) + goto out; + +out: + return status; +} + +static enum mod_hdcp_status locality_check(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp2 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + const bool use_fw = hdcp->config.ddc.funcs.atomic_write_poll_read_i2c + && hdcp->config.ddc.funcs.atomic_write_poll_read_aux + && !hdcp->connection.link.adjust.hdcp2.force_sw_locality_check; + + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { + event_ctx->unexpected_event = 1; + goto out; + } + + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_prepare_lc_init, + &input->lc_init_prepare, &status, + hdcp, "lc_init_prepare")) + goto out; + + status = (use_fw ? locality_check_fw : locality_check_sw)(hdcp, event_ctx, input); + if (status != MOD_HDCP_STATUS_SUCCESS) + goto out; + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_validate_l_prime, &input->l_prime_validation, &status, hdcp, "l_prime_validation")) |