diff options
| -rw-r--r-- | drivers/gpu/drm/msm/sde_hdcp_1x.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/gpu/drm/msm/sde_hdcp_1x.c b/drivers/gpu/drm/msm/sde_hdcp_1x.c index 3aba9e307732..d08cf13c448d 100644 --- a/drivers/gpu/drm/msm/sde_hdcp_1x.c +++ b/drivers/gpu/drm/msm/sde_hdcp_1x.c @@ -751,11 +751,24 @@ error: static void sde_hdcp_1x_enable_sink_irq_hpd(struct sde_hdcp_1x *hdcp) { int rc; + u8 const required_major = 1, required_minor = 2; + u8 sink_major = 0, sink_minor = 0; u8 enable_hpd_irq = 0x1; + u16 version; - if (hdcp->current_tp.ds_type != DS_REPEATER) + if (hdcp->init_data.client_id == HDCP_CLIENT_HDMI) return; + version = *hdcp->init_data.version; + sink_major = (version >> 4) & 0x0f; + sink_minor = version & 0x0f; + + if ((sink_minor < required_minor) || (sink_major < required_major) || + (hdcp->current_tp.ds_type != DS_REPEATER)) { + pr_debug("sink irq hpd not enabled\n"); + return; + } + rc = sde_hdcp_1x_write(hdcp, &hdcp->sink_addr.ainfo, &enable_hpd_irq); if (IS_ERR_VALUE(rc)) SDE_HDCP_DEBUG("error writing ainfo to sink\n"); @@ -1295,6 +1308,11 @@ static void sde_hdcp_1x_auth_work(struct work_struct *work) if (rc) goto end; + +end: + if (rc && !sde_hdcp_1x_state(HDCP_STATE_INACTIVE)) + hdcp->hdcp_state = HDCP_STATE_AUTH_FAIL; + /* * Disabling software DDC before going into part3 to make sure * there is no Arbitration between software and hardware for DDC @@ -1302,9 +1320,6 @@ static void sde_hdcp_1x_auth_work(struct work_struct *work) if (hdcp->init_data.client_id == HDCP_CLIENT_HDMI) DSS_REG_W_ND(io, HDMI_DDC_ARBITRATION, DSS_REG_R(io, HDMI_DDC_ARBITRATION) | (BIT(4))); -end: - if (rc && !sde_hdcp_1x_state(HDCP_STATE_INACTIVE)) - hdcp->hdcp_state = HDCP_STATE_AUTH_FAIL; sde_hdcp_1x_update_auth_status(hdcp); } @@ -1498,6 +1513,10 @@ static int sde_hdcp_1x_isr(void *input) SDE_HDCP_DEBUG("%s: AUTH FAIL, LINK0_STATUS=0x%08x\n", SDE_HDCP_STATE_NAME, link_status); + /* Clear AUTH_FAIL_INFO as well */ + DSS_REG_W(io, isr->int_reg, + (hdcp_int_val | isr->auth_fail_info_ack)); + if (sde_hdcp_1x_state(HDCP_STATE_AUTHENTICATED)) { hdcp->hdcp_state = HDCP_STATE_AUTH_FAIL; sde_hdcp_1x_update_auth_status(hdcp); @@ -1505,9 +1524,6 @@ static int sde_hdcp_1x_isr(void *input) complete_all(&hdcp->r0_checked); } - /* Clear AUTH_FAIL_INFO as well */ - DSS_REG_W(io, isr->int_reg, - (hdcp_int_val | isr->auth_fail_info_ack)); } if (hdcp_int_val & isr->tx_req_int) { |