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authorDave Airlie <airlied@redhat.com>2021-10-11 16:53:56 +1000
committerDave Airlie <airlied@redhat.com>2021-10-11 16:53:57 +1000
commitc7c774fe09389fc806bbe4b487c18e45f576c1ae (patch)
tree7e64c57b93dc88ca9a9c1817fed787e7e5664a1b /drivers/gpu/drm/i915/display/intel_hdcp.c
parent797d72ce8e0f8fa8a808cb189b5411046432cfd3 (diff)
parent104c1b3d6fb6a794babd5e2ffd6a5183b5a3d6c7 (diff)
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Merge tag 'drm-intel-next-2021-10-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
Cross-subsystem Changes: - fbdev/efifb: Release PCI device's runtime PM ref during FB destr\ oy (Imre) i915 Core Driver Changes: - Only access SFC_DONE in media when not fused off for graphics 12 and newer. - Double Memory latency values from pcode for DG2 (Matt Roper) - ADL-S PCI ID update (Tejas) - New DG1 PCI ID (Jose) - Fix regression with uncore refactoring (Dave) i915 Display Changes: - ADL-P display (XE_LPD) fixes and updates (Ankit, Jani, Matt Roper, Anusham, Jose, Imre, Vandita) - DG2 display fixes (Ankit, Jani) - Expand PCH_CNP tweaked display workaround to all newer displays (Anshuman) - General display simplifications and clean-ups (Jani, Swati, Jose, Ville) - PSR Clean-ups, dropping support for BDW/HSD and enable PSR2 selective fetch by default (Jose, Gwan-gyeong) - Nuke ORIGIN_GTT (Jose) - Return proper DPRX link training result (Lee) - FBC related refactor and fixes (Ville) - Yet another attempt to solve the fast+narrow vs slow+wide eDP link training (Kai-Heng) - DP 2.0 preparation work (Jani) - Silence __iomem sparse warn (Ville) - Clean up DPLL stuff (Ville) - Fix various dp/edp max rates (Matt Atwood, Animesh, Jani) - Remove VBT ddi_port_info caching (Jani) - DSI driver improvements (Lee) - HDCP fixes (Juston) - Associate ACPI connector nodes with connector entries (Heikki) - Add support for out-of-bound hotplug events (Hans) - VESA vendor block and drm/i915 MSO use of it (Jani) - Fixes for bigjoiner (Ville) - Update memory bandwidth parameters (RK) - DMC related fixes (Chris, Jose) - HDR related fixes and improvements (Tejas) - g4x/vlv/chv CxSR/wm fixes/cleanups (Ville) - Use BIOS provided value for RKL Audio's HDA link (Kai-Heng) - Fix the dsc check while selecting min_cdclk (Vandita) - Split and constify vtable (Dave) - Add ww context to intel_dpt_pin (Maarten) - Fix bdb version check (Lukasz) - DP per-lane drive settings prep work and other DP fixes (Ville) Signed-off-by: Dave Airlie <airlied@redhat.com> # gpg: Signature made Tue 05 Oct 2021 04:58:16 AEST # gpg: using RSA key 6D207068EEDD65091C2CE2A3FA625F640EEB13CA # gpg: Good signature from "Rodrigo Vivi <rodrigo.vivi@intel.com>" [unknown] # gpg: aka "Rodrigo Vivi <rodrigo.vivi@gmail.com>" [unknown] # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 6D20 7068 EEDD 6509 1C2C E2A3 FA62 5F64 0EEB 13CA From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/YVtPk6llsxBFiw7W@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hdcp.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_hdcp.c64
1 files changed, 36 insertions, 28 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index ebc2e32aec0b..9b9fd9d13043 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -33,21 +33,6 @@ static int intel_conn_to_vcpi(struct intel_connector *connector)
return connector->port ? connector->port->vcpi.vcpi : 0;
}
-static bool
-intel_streams_type1_capable(struct intel_connector *connector)
-{
- const struct intel_hdcp_shim *shim = connector->hdcp.shim;
- bool capable = false;
-
- if (!shim)
- return capable;
-
- if (shim->streams_type1_capable)
- shim->streams_type1_capable(connector, &capable);
-
- return capable;
-}
-
/*
* intel_hdcp_required_content_stream selects the most highest common possible HDCP
* content_type for all streams in DP MST topology because security f/w doesn't
@@ -86,7 +71,7 @@ intel_hdcp_required_content_stream(struct intel_digital_port *dig_port)
if (conn_dig_port != dig_port)
continue;
- if (!enforce_type0 && !intel_streams_type1_capable(connector))
+ if (!enforce_type0 && !dig_port->hdcp_mst_type1_capable)
enforce_type0 = true;
data->streams[data->k].stream_id = intel_conn_to_vcpi(connector);
@@ -112,6 +97,25 @@ intel_hdcp_required_content_stream(struct intel_digital_port *dig_port)
return 0;
}
+static int intel_hdcp_prepare_streams(struct intel_connector *connector)
+{
+ struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
+ struct hdcp_port_data *data = &dig_port->hdcp_port_data;
+ struct intel_hdcp *hdcp = &connector->hdcp;
+ int ret;
+
+ if (!intel_encoder_is_mst(intel_attached_encoder(connector))) {
+ data->k = 1;
+ data->streams[0].stream_type = hdcp->content_type;
+ } else {
+ ret = intel_hdcp_required_content_stream(dig_port);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
static
bool intel_hdcp_is_ksv_valid(u8 *ksv)
{
@@ -1632,6 +1636,14 @@ int hdcp2_authenticate_repeater_topology(struct intel_connector *connector)
return -EINVAL;
}
+ /*
+ * MST topology is not Type 1 capable if it contains a downstream
+ * device that is only HDCP 1.x or Legacy HDCP 2.0/2.1 compliant.
+ */
+ dig_port->hdcp_mst_type1_capable =
+ !HDCP_2_2_HDCP1_DEVICE_CONNECTED(rx_info[1]) &&
+ !HDCP_2_2_HDCP_2_0_REP_CONNECTED(rx_info[1]);
+
/* Converting and Storing the seq_num_v to local variable as DWORD */
seq_num_v =
drm_hdcp_be24_to_cpu((const u8 *)msgs.recvid_list.seq_num_v);
@@ -1876,6 +1888,14 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)
for (i = 0; i < tries && !dig_port->hdcp_auth_status; i++) {
ret = hdcp2_authenticate_sink(connector);
if (!ret) {
+ ret = intel_hdcp_prepare_streams(connector);
+ if (ret) {
+ drm_dbg_kms(&i915->drm,
+ "Prepare streams failed.(%d)\n",
+ ret);
+ break;
+ }
+
ret = hdcp2_propagate_stream_management_info(connector);
if (ret) {
drm_dbg_kms(&i915->drm,
@@ -1921,9 +1941,7 @@ static int hdcp2_authenticate_and_encrypt(struct intel_connector *connector)
static int _intel_hdcp2_enable(struct intel_connector *connector)
{
- struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
struct drm_i915_private *i915 = to_i915(connector->base.dev);
- struct hdcp_port_data *data = &dig_port->hdcp_port_data;
struct intel_hdcp *hdcp = &connector->hdcp;
int ret;
@@ -1931,16 +1949,6 @@ static int _intel_hdcp2_enable(struct intel_connector *connector)
connector->base.name, connector->base.base.id,
hdcp->content_type);
- /* Stream which requires encryption */
- if (!intel_encoder_is_mst(intel_attached_encoder(connector))) {
- data->k = 1;
- data->streams[0].stream_type = hdcp->content_type;
- } else {
- ret = intel_hdcp_required_content_stream(dig_port);
- if (ret)
- return ret;
- }
-
ret = hdcp2_authenticate_and_encrypt(connector);
if (ret) {
drm_dbg_kms(&i915->drm, "HDCP2 Type%d Enabling Failed. (%d)\n",