[Intel-gfx] [PATCH 5/5] drm/i915/hdcp: conversion to struct drm_device based logging macros.
Ramalingam C
ramalingam.c at intel.com
Wed Feb 12 10:25:14 UTC 2020
On 2020-02-12 at 12:01:08 +0200, Jani Nikula wrote:
> On Wed, 12 Feb 2020, Ramalingam C <ramalingam.c at 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.")
> >
> > Signed-off-by: Ramalingam C <ramalingam.c at intel.com>
> > cc: Jani Nikula <jani.nikula at linux.intel.com>
> > ---
> > drivers/gpu/drm/i915/display/intel_hdcp.c | 107 ++++++++++++----------
> > 1 file changed, 60 insertions(+), 47 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
> > index 11f204668a5c..3361796b59ca 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_device *drm = intel_dig_port->base.base.dev;
>
> Please prefer adding struct drm_i915_private *i915 local variable
> instead of struct drm_device, and use it as &i915->drm.
>
> I know you're only adding this to get the pointer for logging, but in
> any given place we're much more likely to need i915 in the future than
> drm_device pointer.
>
> In some places you do add dev_priv and use it like that; please name the
> variable i915.
Sure. Whereever i am adding the variable, I will name it as i915. not
renaming the existing dev_priv.
Thanks,
-Ram
>
> BR,
> Jani.
>
>
> > 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(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(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(drm, "Port deauth failed.\n");
> > }
> >
> > if (!ret) {
> > @@ -1665,9 +1675,9 @@ 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(drm, "Encryption Enable Failed.(%d)\n", ret);
> > if (hdcp2_deauthenticate_port(connector) < 0)
> > - DRM_DEBUG_KMS("Port deauth failed.\n");
> > + drm_dbg_kms(drm, "Port deauth failed.\n");
> > }
> > }
> >
> > @@ -1677,22 +1687,23 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)
> > static int _intel_hdcp2_enable(struct intel_connector *connector)
> > {
> > struct intel_hdcp *hdcp = &connector->hdcp;
> > + struct drm_device *drm = connector->base.dev;
> > 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(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(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(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 +1711,16 @@ static int _intel_hdcp2_enable(struct intel_connector *connector)
> >
> > static int _intel_hdcp2_disable(struct intel_connector *connector)
> > {
> > + struct drm_device *drm = 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(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(drm, "Port deauth failed.\n");
> >
> > connector->hdcp.hdcp2_encrypted = false;
> >
> > @@ -1951,11 +1963,12 @@ static void intel_hdcp2_init(struct intel_connector *connector,
> > const struct intel_hdcp_shim *shim)
> > {
> > struct intel_hdcp *hdcp = &connector->hdcp;
> > + struct drm_device *drm = connector->base.dev;
> > int ret;
> >
> > ret = initialize_hdcp_port_data(connector, shim);
> > if (ret) {
> > - DRM_DEBUG_KMS("Mei hdcp data init failed\n");
> > + drm_dbg_kms(drm, "Mei hdcp data init failed\n");
> > return;
> > }
>
> --
> Jani Nikula, Intel Open Source Graphics Center
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