Re: [PATCH v2 5/5] drm/i915/hdcp: conversion to struct drm_device based logging macros.

Jani Nikula
2020-02-12T11:31:55Z

On Wed, 12 Feb 2020, Ramalingam C <ramalingam.c@intel.com> wrote:
> Converts remaining instances of the printk based logging macros in
> i915/display/intel_hdcp.c with the struct drm_device based macros
> manually.
>
> This is continuation of commit 65833c463886 ("drm/i915/hdcp: conversion
> to struct drm_device based logging macros.")
>
> v2:
> i915_dev_priv is used instead of drm_device for reusability [JaniN]

There's still one dev_priv added, but no big deal.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>

>
> Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
> cc: Jani Nikula <jani.nikula@linux.intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_hdcp.c | 108 ++++++++++++----------
> 1 file changed, 61 insertions(+), 47 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
> index b35f50d4a0e9..c9841c82e213 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdcp.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
> @@ -43,6 +43,7 @@ static
> int intel_hdcp_read_valid_bksv(struct intel_digital_port *intel_dig_port,
> const struct intel_hdcp_shim *shim, u8 *bksv)
> {
> + struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
> int ret, i, tries = 2;
>
> /* HDCP spec states that we must retry the bksv if it is invalid */
> @@ -54,7 +55,7 @@ int intel_hdcp_read_valid_bksv(struct intel_digital_port *intel_dig_port,
> break;
> }
> if (i == tries) {
> - DRM_DEBUG_KMS("Bksv is invalid\n");
> + drm_dbg_kms(&i915->drm, "Bksv is invalid\n");
> return -ENODEV;
> }
>
> @@ -485,8 +486,8 @@ int intel_hdcp_validate_v_prime(struct intel_connector *connector,
> return ret;
> sha_idx += sizeof(sha_text);
> } else {
> - DRM_DEBUG_KMS("Invalid number of leftovers %d\n",
> - sha_leftovers);
> + drm_dbg_kms(&dev_priv->drm, "Invalid number of leftovers %d\n",
> + sha_leftovers);
> return -EINVAL;
> }
>
> @@ -514,11 +515,11 @@ int intel_hdcp_validate_v_prime(struct intel_connector *connector,
> rep_ctl | HDCP_SHA1_COMPLETE_HASH);
> if (intel_de_wait_for_set(dev_priv, HDCP_REP_CTL,
> HDCP_SHA1_COMPLETE, 1)) {
> - DRM_ERROR("Timed out waiting for SHA1 complete\n");
> + drm_err(&dev_priv->drm, "Timed out waiting for SHA1 complete\n");
> return -ETIMEDOUT;
> }
> if (!(intel_de_read(dev_priv, HDCP_REP_CTL) & HDCP_SHA1_V_MATCH)) {
> - DRM_DEBUG_KMS("SHA-1 mismatch, HDCP failed\n");
> + drm_dbg_kms(&dev_priv->drm, "SHA-1 mismatch, HDCP failed\n");
> return -ENXIO;
> }
>
> @@ -537,7 +538,8 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector)
>
> ret = intel_hdcp_poll_ksv_fifo(intel_dig_port, shim);
> if (ret) {
> - DRM_DEBUG_KMS("KSV list failed to become ready (%d)\n", ret);
> + drm_dbg_kms(&dev_priv->drm,
> + "KSV list failed to become ready (%d)\n", ret);
> return ret;
> }
>
> @@ -547,7 +549,7 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector)
>
> if (DRM_HDCP_MAX_DEVICE_EXCEEDED(bstatus[0]) ||
> DRM_HDCP_MAX_CASCADE_EXCEEDED(bstatus[1])) {
> - DRM_DEBUG_KMS("Max Topology Limit Exceeded\n");
> + drm_dbg_kms(&dev_priv->drm, "Max Topology Limit Exceeded\n");
> return -EPERM;
> }
>
> @@ -560,13 +562,14 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector)
> */
> num_downstream = DRM_HDCP_NUM_DOWNSTREAM(bstatus[0]);
> if (num_downstream == 0) {
> - DRM_DEBUG_KMS("Repeater with zero downstream devices\n");
> + drm_dbg_kms(&dev_priv->drm,
> + "Repeater with zero downstream devices\n");
> return -EINVAL;
> }
>
> ksv_fifo = kcalloc(DRM_HDCP_KSV_LEN, num_downstream, GFP_KERNEL);
> if (!ksv_fifo) {
> - DRM_DEBUG_KMS("Out of mem: ksv_fifo\n");
> + drm_dbg_kms(&dev_priv->drm, "Out of mem: ksv_fifo\n");
> return -ENOMEM;
> }
>
> @@ -576,7 +579,7 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector)
>
> if (drm_hdcp_check_ksvs_revoked(&dev_priv->drm, ksv_fifo,
> num_downstream)) {
> - DRM_ERROR("Revoked Ksv(s) in ksv_fifo\n");
> + drm_err(&dev_priv->drm, "Revoked Ksv(s) in ksv_fifo\n");
> ret = -EPERM;
> goto err;
> }
> @@ -594,12 +597,13 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector)
> }
>
> if (i == tries) {
> - DRM_DEBUG_KMS("V Prime validation failed.(%d)\n", ret);
> + drm_dbg_kms(&dev_priv->drm,
> + "V Prime validation failed.(%d)\n", ret);
> goto err;
> }
>
> - DRM_DEBUG_KMS("HDCP is enabled (%d downstream devices)\n",
> - num_downstream);
> + drm_dbg_kms(&dev_priv->drm, "HDCP is enabled (%d downstream devices)\n",
> + num_downstream);
> ret = 0;
> err:
> kfree(ksv_fifo);
> @@ -642,7 +646,8 @@ static int intel_hdcp_auth(struct intel_connector *connector)
> if (ret)
> return ret;
> if (!hdcp_capable) {
> - DRM_DEBUG_KMS("Panel is not HDCP capable\n");
> + drm_dbg_kms(&dev_priv->drm,
> + "Panel is not HDCP capable\n");
> return -EINVAL;
> }
> }
> @@ -659,7 +664,7 @@ static int intel_hdcp_auth(struct intel_connector *connector)
> if (intel_de_wait_for_set(dev_priv,
> HDCP_STATUS(dev_priv, cpu_transcoder, port),
> HDCP_STATUS_AN_READY, 1)) {
> - DRM_ERROR("Timed out waiting for An\n");
> + drm_err(&dev_priv->drm, "Timed out waiting for An\n");
> return -ETIMEDOUT;
> }
>
> @@ -680,7 +685,7 @@ static int intel_hdcp_auth(struct intel_connector *connector)
> return ret;
>
> if (drm_hdcp_check_ksvs_revoked(&dev_priv->drm, bksv.shim, 1)) {
> - DRM_ERROR("BKSV is revoked\n");
> + drm_err(&dev_priv->drm, "BKSV is revoked\n");
> return -EPERM;
> }
>
> @@ -706,7 +711,7 @@ static int intel_hdcp_auth(struct intel_connector *connector)
> /* Wait for R0 ready */
> if (wait_for(intel_de_read(dev_priv, HDCP_STATUS(dev_priv, cpu_transcoder, port)) &
> (HDCP_STATUS_R0_READY | HDCP_STATUS_ENC), 1)) {
> - DRM_ERROR("Timed out waiting for R0 ready\n");
> + drm_err(&dev_priv->drm, "Timed out waiting for R0 ready\n");
> return -ETIMEDOUT;
> }
>
> @@ -743,8 +748,10 @@ static int intel_hdcp_auth(struct intel_connector *connector)
> }
>
> if (i == tries) {
> - DRM_DEBUG_KMS("Timed out waiting for Ri prime match (%x)\n",
> - intel_de_read(dev_priv, HDCP_STATUS(dev_priv, cpu_transcoder, port)));
> + drm_dbg_kms(&dev_priv->drm,
> + "Timed out waiting for Ri prime match (%x)\n",
> + intel_de_read(dev_priv, HDCP_STATUS(dev_priv,
> + cpu_transcoder, port)));
> return -ETIMEDOUT;
> }
>
> @@ -753,7 +760,7 @@ static int intel_hdcp_auth(struct intel_connector *connector)
> HDCP_STATUS(dev_priv, cpu_transcoder, port),
> HDCP_STATUS_ENC,
> ENCRYPT_STATUS_CHANGE_TIMEOUT_MS)) {
> - DRM_ERROR("Timed out waiting for encryption\n");
> + drm_err(&dev_priv->drm, "Timed out waiting for encryption\n");
> return -ETIMEDOUT;
> }
>
> @@ -765,7 +772,7 @@ static int intel_hdcp_auth(struct intel_connector *connector)
> if (repeater_present)
> return intel_hdcp_auth_downstream(connector);
>
> - DRM_DEBUG_KMS("HDCP is enabled (no repeater present)\n");
> + drm_dbg_kms(&dev_priv->drm, "HDCP is enabled (no repeater present)\n");
> return 0;
> }
>
> @@ -1270,7 +1277,7 @@ static int hdcp2_authentication_key_exchange(struct intel_connector *connector)
> return ret;
>
> 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");
> + drm_dbg_kms(&dev_priv->drm, "cert.rx_caps dont claim HDCP2.2\n");
> return -EINVAL;
> }
>
> @@ -1279,7 +1286,7 @@ static int hdcp2_authentication_key_exchange(struct intel_connector *connector)
> if (drm_hdcp_check_ksvs_revoked(&dev_priv->drm,
> msgs.send_cert.cert_rx.receiver_id,
> 1)) {
> - DRM_ERROR("Receiver ID is revoked\n");
> + drm_err(&dev_priv->drm, "Receiver ID is revoked\n");
> return -EPERM;
> }
>
> @@ -1446,7 +1453,7 @@ int hdcp2_authenticate_repeater_topology(struct intel_connector *connector)
>
> if (HDCP_2_2_MAX_CASCADE_EXCEEDED(rx_info[1]) ||
> HDCP_2_2_MAX_DEVS_EXCEEDED(rx_info[1])) {
> - DRM_DEBUG_KMS("Topology Max Size Exceeded\n");
> + drm_dbg_kms(&dev_priv->drm, "Topology Max Size Exceeded\n");
> return -EINVAL;
> }
>
> @@ -1456,7 +1463,7 @@ int hdcp2_authenticate_repeater_topology(struct intel_connector *connector)
>
> if (seq_num_v < hdcp->seq_num_v) {
> /* Roll over of the seq_num_v from repeater. Reauthenticate. */
> - DRM_DEBUG_KMS("Seq_num_v roll over.\n");
> + drm_dbg_kms(&dev_priv->drm, "Seq_num_v roll over.\n");
> return -EINVAL;
> }
>
> @@ -1465,7 +1472,7 @@ int hdcp2_authenticate_repeater_topology(struct intel_connector *connector)
> if (drm_hdcp_check_ksvs_revoked(&dev_priv->drm,
> msgs.recvid_list.receiver_ids,
> device_cnt)) {
> - DRM_ERROR("Revoked receiver ID(s) is in list\n");
> + drm_err(&dev_priv->drm, "Revoked receiver ID(s) is in list\n");
> return -EPERM;
> }
>
> @@ -1487,25 +1494,27 @@ int hdcp2_authenticate_repeater_topology(struct intel_connector *connector)
> static int hdcp2_authenticate_sink(struct intel_connector *connector)
> {
> struct intel_digital_port *intel_dig_port = intel_attached_dig_port(connector);
> + struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
> struct intel_hdcp *hdcp = &connector->hdcp;
> const struct intel_hdcp_shim *shim = hdcp->shim;
> int ret;
>
> ret = hdcp2_authentication_key_exchange(connector);
> if (ret < 0) {
> - DRM_DEBUG_KMS("AKE Failed. Err : %d\n", ret);
> + drm_dbg_kms(&dev_priv->drm, "AKE Failed. Err : %d\n", ret);
> return ret;
> }
>
> ret = hdcp2_locality_check(connector);
> if (ret < 0) {
> - DRM_DEBUG_KMS("Locality Check failed. Err : %d\n", ret);
> + drm_dbg_kms(&dev_priv->drm,
> + "Locality Check failed. Err : %d\n", ret);
> return ret;
> }
>
> ret = hdcp2_session_key_exchange(connector);
> if (ret < 0) {
> - DRM_DEBUG_KMS("SKE Failed. Err : %d\n", ret);
> + drm_dbg_kms(&dev_priv->drm, "SKE Failed. Err : %d\n", ret);
> return ret;
> }
>
> @@ -1520,7 +1529,8 @@ static int hdcp2_authenticate_sink(struct intel_connector *connector)
> if (hdcp->is_repeater) {
> ret = hdcp2_authenticate_repeater_topology(connector);
> if (ret < 0) {
> - DRM_DEBUG_KMS("Repeater Auth Failed. Err: %d\n", ret);
> + drm_dbg_kms(&dev_priv->drm,
> + "Repeater Auth Failed. Err: %d\n", ret);
> return ret;
> }
> }
> @@ -1651,10 +1661,10 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)
> }
>
> /* Clearing the mei hdcp session */
> - DRM_DEBUG_KMS("HDCP2.2 Auth %d of %d Failed.(%d)\n",
> - i + 1, tries, ret);
> + drm_dbg_kms(&i915->drm, "HDCP2.2 Auth %d of %d Failed.(%d)\n",
> + i + 1, tries, ret);
> if (hdcp2_deauthenticate_port(connector) < 0)
> - DRM_DEBUG_KMS("Port deauth failed.\n");
> + drm_dbg_kms(&i915->drm, "Port deauth failed.\n");
> }
>
> if (!ret) {
> @@ -1665,9 +1675,10 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)
> msleep(HDCP_2_2_DELAY_BEFORE_ENCRYPTION_EN);
> ret = hdcp2_enable_encryption(connector);
> if (ret < 0) {
> - DRM_DEBUG_KMS("Encryption Enable Failed.(%d)\n", ret);
> + drm_dbg_kms(&i915->drm,
> + "Encryption Enable Failed.(%d)\n", ret);
> if (hdcp2_deauthenticate_port(connector) < 0)
> - DRM_DEBUG_KMS("Port deauth failed.\n");
> + drm_dbg_kms(&i915->drm, "Port deauth failed.\n");
> }
> }
>
> @@ -1676,23 +1687,24 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)
>
> static int _intel_hdcp2_enable(struct intel_connector *connector)
> {
> + struct drm_i915_private *i915 = to_i915(connector->base.dev);
> struct intel_hdcp *hdcp = &connector->hdcp;
> int ret;
>
> - DRM_DEBUG_KMS("[%s:%d] HDCP2.2 is being enabled. Type: %d\n",
> - connector->base.name, connector->base.base.id,
> - hdcp->content_type);
> + drm_dbg_kms(&i915->drm, "[%s:%d] HDCP2.2 is being enabled. Type: %d\n",
> + connector->base.name, connector->base.base.id,
> + hdcp->content_type);
>
> ret = hdcp2_authenticate_and_encrypt(connector);
> if (ret) {
> - DRM_DEBUG_KMS("HDCP2 Type%d Enabling Failed. (%d)\n",
> - hdcp->content_type, ret);
> + drm_dbg_kms(&i915->drm, "HDCP2 Type%d Enabling Failed. (%d)\n",
> + hdcp->content_type, ret);
> return ret;
> }
>
> - DRM_DEBUG_KMS("[%s:%d] HDCP2.2 is enabled. Type %d\n",
> - connector->base.name, connector->base.base.id,
> - hdcp->content_type);
> + drm_dbg_kms(&i915->drm, "[%s:%d] HDCP2.2 is enabled. Type %d\n",
> + connector->base.name, connector->base.base.id,
> + hdcp->content_type);
>
> hdcp->hdcp2_encrypted = true;
> return 0;
> @@ -1700,15 +1712,16 @@ static int _intel_hdcp2_enable(struct intel_connector *connector)
>
> static int _intel_hdcp2_disable(struct intel_connector *connector)
> {
> + struct drm_i915_private *i915 = to_i915(connector->base.dev);
> int ret;
>
> - DRM_DEBUG_KMS("[%s:%d] HDCP2.2 is being Disabled\n",
> - connector->base.name, connector->base.base.id);
> + drm_dbg_kms(&i915->drm, "[%s:%d] HDCP2.2 is being Disabled\n",
> + connector->base.name, connector->base.base.id);
>
> ret = hdcp2_disable_encryption(connector);
>
> if (hdcp2_deauthenticate_port(connector) < 0)
> - DRM_DEBUG_KMS("Port deauth failed.\n");
> + drm_dbg_kms(&i915->drm, "Port deauth failed.\n");
>
> connector->hdcp.hdcp2_encrypted = false;
>
> @@ -1950,12 +1963,13 @@ void intel_hdcp_component_init(struct drm_i915_private *dev_priv)
> static void intel_hdcp2_init(struct intel_connector *connector,
> const struct intel_hdcp_shim *shim)
> {
> + struct drm_i915_private *i915 = to_i915(connector->base.dev);
> struct intel_hdcp *hdcp = &connector->hdcp;
> int ret;
>
> ret = initialize_hdcp_port_data(connector, shim);
> if (ret) {
> - DRM_DEBUG_KMS("Mei hdcp data init failed\n");
> + drm_dbg_kms(&i915->drm, "Mei hdcp data init failed\n");
> return;
> }

--
Jani Nikula, Intel Open Source Graphics Center