diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hdcp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdcp.c | 51 |
1 files changed, 27 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index e56969ebdd25..6ec5ceeab601 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -14,7 +14,8 @@ #include <drm/i915_component.h> #include "i915_reg.h" -#include "intel_drv.h" +#include "intel_display_power.h" +#include "intel_display_types.h" #include "intel_hdcp.h" #include "intel_sideband.h" @@ -244,8 +245,7 @@ static int intel_hdcp_load_keys(struct drm_i915_private *dev_priv) static int intel_write_sha_text(struct drm_i915_private *dev_priv, u32 sha_text) { I915_WRITE(HDCP_SHA_TEXT, sha_text); - if (intel_wait_for_register(&dev_priv->uncore, HDCP_REP_CTL, - HDCP_SHA1_READY, HDCP_SHA1_READY, 1)) { + if (intel_de_wait_for_set(dev_priv, HDCP_REP_CTL, HDCP_SHA1_READY, 1)) { DRM_ERROR("Timed out waiting for SHA1 ready\n"); return -ETIMEDOUT; } @@ -475,9 +475,8 @@ int intel_hdcp_validate_v_prime(struct intel_digital_port *intel_dig_port, /* Tell the HW we're done with the hash and wait for it to ACK */ I915_WRITE(HDCP_REP_CTL, rep_ctl | HDCP_SHA1_COMPLETE_HASH); - if (intel_wait_for_register(&dev_priv->uncore, HDCP_REP_CTL, - HDCP_SHA1_COMPLETE, - HDCP_SHA1_COMPLETE, 1)) { + if (intel_de_wait_for_set(dev_priv, HDCP_REP_CTL, + HDCP_SHA1_COMPLETE, 1)) { DRM_ERROR("Timed out waiting for SHA1 complete\n"); return -ETIMEDOUT; } @@ -523,12 +522,16 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector) * authentication. */ num_downstream = DRM_HDCP_NUM_DOWNSTREAM(bstatus[0]); - if (num_downstream == 0) + if (num_downstream == 0) { + DRM_DEBUG_KMS("Repeater with zero downstream devices\n"); return -EINVAL; + } ksv_fifo = kcalloc(DRM_HDCP_KSV_LEN, num_downstream, GFP_KERNEL); - if (!ksv_fifo) + if (!ksv_fifo) { + DRM_DEBUG_KMS("Out of mem: ksv_fifo\n"); return -ENOMEM; + } ret = shim->read_ksv_fifo(intel_dig_port, num_downstream, ksv_fifo); if (ret) @@ -536,7 +539,8 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector) if (drm_hdcp_check_ksvs_revoked(dev, ksv_fifo, num_downstream)) { DRM_ERROR("Revoked Ksv(s) in ksv_fifo\n"); - return -EPERM; + ret = -EPERM; + goto err; } /* @@ -615,9 +619,8 @@ static int intel_hdcp_auth(struct intel_connector *connector) I915_WRITE(PORT_HDCP_CONF(port), HDCP_CONF_CAPTURE_AN); /* Wait for An to be acquired */ - if (intel_wait_for_register(&dev_priv->uncore, PORT_HDCP_STATUS(port), - HDCP_STATUS_AN_READY, - HDCP_STATUS_AN_READY, 1)) { + if (intel_de_wait_for_set(dev_priv, PORT_HDCP_STATUS(port), + HDCP_STATUS_AN_READY, 1)) { DRM_ERROR("Timed out waiting for An\n"); return -ETIMEDOUT; } @@ -701,9 +704,9 @@ static int intel_hdcp_auth(struct intel_connector *connector) } /* Wait for encryption confirmation */ - if (intel_wait_for_register(&dev_priv->uncore, PORT_HDCP_STATUS(port), - HDCP_STATUS_ENC, HDCP_STATUS_ENC, - ENCRYPT_STATUS_CHANGE_TIMEOUT_MS)) { + if (intel_de_wait_for_set(dev_priv, PORT_HDCP_STATUS(port), + HDCP_STATUS_ENC, + ENCRYPT_STATUS_CHANGE_TIMEOUT_MS)) { DRM_ERROR("Timed out waiting for encryption\n"); return -ETIMEDOUT; } @@ -733,8 +736,7 @@ static int _intel_hdcp_disable(struct intel_connector *connector) hdcp->hdcp_encrypted = false; I915_WRITE(PORT_HDCP_CONF(port), 0); - if (intel_wait_for_register(&dev_priv->uncore, - PORT_HDCP_STATUS(port), ~0, 0, + if (intel_de_wait_for_clear(dev_priv, PORT_HDCP_STATUS(port), ~0, ENCRYPT_STATUS_CHANGE_TIMEOUT_MS)) { DRM_ERROR("Failed to disable HDCP, timeout clearing status\n"); return -ETIMEDOUT; @@ -1204,8 +1206,10 @@ static int hdcp2_authentication_key_exchange(struct intel_connector *connector) if (ret < 0) return ret; - if (msgs.send_cert.rx_caps[0] != HDCP_2_2_RX_CAPS_VERSION_VAL) + if (msgs.send_cert.rx_caps[0] != HDCP_2_2_RX_CAPS_VERSION_VAL) { + DRM_DEBUG_KMS("cert.rx_caps dont claim HDCP2.2\n"); return -EINVAL; + } hdcp->is_repeater = HDCP_2_2_RX_REPEATER(msgs.send_cert.rx_caps[2]); @@ -1509,10 +1513,9 @@ static int hdcp2_enable_encryption(struct intel_connector *connector) CTL_LINK_ENCRYPTION_REQ); } - ret = intel_wait_for_register(&dev_priv->uncore, HDCP2_STATUS_DDI(port), - LINK_ENCRYPTION_STATUS, - LINK_ENCRYPTION_STATUS, - ENCRYPT_STATUS_CHANGE_TIMEOUT_MS); + ret = intel_de_wait_for_set(dev_priv, HDCP2_STATUS_DDI(port), + LINK_ENCRYPTION_STATUS, + ENCRYPT_STATUS_CHANGE_TIMEOUT_MS); return ret; } @@ -1530,8 +1533,8 @@ static int hdcp2_disable_encryption(struct intel_connector *connector) I915_WRITE(HDCP2_CTL_DDI(port), I915_READ(HDCP2_CTL_DDI(port)) & ~CTL_LINK_ENCRYPTION_REQ); - ret = intel_wait_for_register(&dev_priv->uncore, HDCP2_STATUS_DDI(port), - LINK_ENCRYPTION_STATUS, 0x0, + ret = intel_de_wait_for_clear(dev_priv, HDCP2_STATUS_DDI(port), + LINK_ENCRYPTION_STATUS, ENCRYPT_STATUS_CHANGE_TIMEOUT_MS); if (ret == -ETIMEDOUT) DRM_DEBUG_KMS("Disable Encryption Timedout"); |