From: Sean Paul <sean@poorly.run> To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Cc: daniel.vetter@ffwll.ch, Sean Paul <seanpaul@chromium.org>, juston.li@intel.com, rodrigo.vivi@intel.com Subject: [PATCH v4 08/14] drm/i915: Don't fully disable HDCP on a port if multiple pipes are using it Date: Tue, 18 Feb 2020 17:02:36 -0500 [thread overview] Message-ID: <20200218220242.107265-9-sean@poorly.run> (raw) In-Reply-To: <20200218220242.107265-1-sean@poorly.run> From: Sean Paul <seanpaul@chromium.org> This patch is required for HDCP over MST. If a port is being used for multiple HDCP streams, we don't want to fully disable HDCP on a port if one of them is disabled. Instead, we just disable the HDCP signalling on that particular pipe and exit early. The last pipe to disable HDCP will also bring down HDCP on the port. In order to achieve this, we need to keep a refcount in intel_digital_port and protect it using a new hdcp_mutex. Cc: Ramalingam C <ramalingam.c@intel.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191203173638.94919-8-sean@poorly.run #v1 Link: https://patchwork.freedesktop.org/patch/msgid/20191212190230.188505-9-sean@poorly.run #v2 Link: https://patchwork.freedesktop.org/patch/msgid/20200117193103.156821-9-sean@poorly.run #v3 Changes in v2: -Move the toggle_signalling call into _intel_hdcp_disable so it's called from check_work Changes in v3: -None Changes in v4: -None --- drivers/gpu/drm/i915/display/intel_ddi.c | 3 ++ .../drm/i915/display/intel_display_types.h | 5 ++ drivers/gpu/drm/i915/display/intel_dp.c | 2 + drivers/gpu/drm/i915/display/intel_hdcp.c | 52 +++++++++++++++---- drivers/gpu/drm/i915/display/intel_hdmi.c | 2 + 5 files changed, 55 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 61984218961fa..e84315ce753cd 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -4758,6 +4758,9 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) drm_encoder_init(&dev_priv->drm, &encoder->base, &intel_ddi_funcs, DRM_MODE_ENCODER_TMDS, "DDI %c", port_name(port)); + mutex_init(&intel_dig_port->hdcp_mutex); + intel_dig_port->num_hdcp_streams = 0; + encoder->hotplug = intel_ddi_hotplug; encoder->compute_output_type = intel_ddi_compute_output_type; encoder->compute_config = intel_ddi_compute_config; diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index b9e4ba8071d29..edbe8211078df 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1339,6 +1339,11 @@ struct intel_digital_port { enum phy_fia tc_phy_fia; u8 tc_phy_fia_idx; + /* protects num_hdcp_streams reference count */ + struct mutex hdcp_mutex; + /* the number of pipes using HDCP signalling out of this port */ + unsigned int num_hdcp_streams; + void (*write_infoframe)(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, unsigned int type, diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index f601cdcd4c647..05d09161afa76 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -7641,6 +7641,8 @@ bool intel_dp_init(struct drm_i915_private *dev_priv, intel_encoder = &intel_dig_port->base; encoder = &intel_encoder->base; + mutex_init(&intel_dig_port->hdcp_mutex); + if (drm_encoder_init(&dev_priv->drm, &intel_encoder->base, &intel_dp_enc_funcs, DRM_MODE_ENCODER_TMDS, "DP %c", port_name(port))) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 161f4bcc5bda5..970cdd793cbbe 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -796,6 +796,19 @@ static int _intel_hdcp_disable(struct intel_connector *connector) drm_dbg_kms(&dev_priv->drm, "[%s:%d] HDCP is being disabled...\n", connector->base.name, connector->base.base.id); + /* + * If there are other connectors on this port using HDCP, don't disable + * it. Instead, toggle the HDCP signalling off on that particular + * connector/pipe and exit. + */ + if (intel_dig_port->num_hdcp_streams > 0) { + ret = hdcp->shim->toggle_signalling(intel_dig_port, + cpu_transcoder, false); + if (ret) + DRM_ERROR("Failed to disable HDCP signalling\n"); + return ret; + } + hdcp->hdcp_encrypted = false; intel_de_write(dev_priv, HDCP_CONF(dev_priv, cpu_transcoder, port), 0); if (intel_de_wait_for_clear(dev_priv, @@ -876,6 +889,7 @@ struct intel_connector *intel_hdcp_to_connector(struct intel_hdcp *hdcp) static void intel_hdcp_update_value(struct intel_connector *connector, u64 value, bool update_property) { + struct intel_digital_port *intel_dig_port = intel_attached_dig_port(connector); struct intel_hdcp *hdcp = &connector->hdcp; WARN_ON(!mutex_is_locked(&hdcp->mutex)); @@ -883,6 +897,15 @@ static void intel_hdcp_update_value(struct intel_connector *connector, if (hdcp->value == value) return; + WARN_ON(!mutex_is_locked(&intel_dig_port->hdcp_mutex)); + + if (hdcp->value == DRM_MODE_CONTENT_PROTECTION_ENABLED) { + if (!WARN_ON(intel_dig_port->num_hdcp_streams == 0)) + intel_dig_port->num_hdcp_streams--; + } else if (value == DRM_MODE_CONTENT_PROTECTION_ENABLED) { + intel_dig_port->num_hdcp_streams++; + } + hdcp->value = value; if (update_property) { drm_connector_get(&connector->base); @@ -901,6 +924,8 @@ static int intel_hdcp_check_link(struct intel_connector *connector) int ret = 0; mutex_lock(&hdcp->mutex); + mutex_lock(&intel_dig_port->hdcp_mutex); + cpu_transcoder = hdcp->cpu_transcoder; /* Check_link valid only when HDCP1.4 is enabled */ @@ -953,6 +978,7 @@ static int intel_hdcp_check_link(struct intel_connector *connector) } out: + mutex_unlock(&intel_dig_port->hdcp_mutex); mutex_unlock(&hdcp->mutex); return ret; } @@ -2034,6 +2060,7 @@ int intel_hdcp_enable(struct intel_connector *connector, enum transcoder cpu_transcoder, u8 content_type) { struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_digital_port *intel_dig_port = intel_attached_dig_port(connector); struct intel_hdcp *hdcp = &connector->hdcp; unsigned long check_link_interval = DRM_HDCP_CHECK_PERIOD_MS; int ret = -EINVAL; @@ -2042,6 +2069,7 @@ int intel_hdcp_enable(struct intel_connector *connector, return -ENOENT; mutex_lock(&hdcp->mutex); + mutex_lock(&intel_dig_port->hdcp_mutex); WARN_ON(hdcp->value == DRM_MODE_CONTENT_PROTECTION_ENABLED); hdcp->content_type = content_type; @@ -2076,12 +2104,14 @@ int intel_hdcp_enable(struct intel_connector *connector, true); } + mutex_unlock(&intel_dig_port->hdcp_mutex); mutex_unlock(&hdcp->mutex); return ret; } int intel_hdcp_disable(struct intel_connector *connector) { + struct intel_digital_port *intel_dig_port = intel_attached_dig_port(connector); struct intel_hdcp *hdcp = &connector->hdcp; int ret = 0; @@ -2089,17 +2119,21 @@ int intel_hdcp_disable(struct intel_connector *connector) return -ENOENT; mutex_lock(&hdcp->mutex); + mutex_lock(&intel_dig_port->hdcp_mutex); - if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) { - intel_hdcp_update_value(connector, - DRM_MODE_CONTENT_PROTECTION_UNDESIRED, - false); - if (hdcp->hdcp2_encrypted) - ret = _intel_hdcp2_disable(connector); - else if (hdcp->hdcp_encrypted) - ret = _intel_hdcp_disable(connector); - } + if (hdcp->value == DRM_MODE_CONTENT_PROTECTION_UNDESIRED) + goto out; + + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_UNDESIRED, false); + if (hdcp->hdcp2_encrypted) + ret = _intel_hdcp2_disable(connector); + else if (hdcp->hdcp_encrypted) + ret = _intel_hdcp_disable(connector); + +out: + mutex_unlock(&intel_dig_port->hdcp_mutex); mutex_unlock(&hdcp->mutex); cancel_delayed_work_sync(&hdcp->check_work); return ret; diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index f1092066440f4..d569d0a1f1dcf 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -3264,6 +3264,8 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv, intel_encoder = &intel_dig_port->base; + mutex_init(&intel_dig_port->hdcp_mutex); + drm_encoder_init(&dev_priv->drm, &intel_encoder->base, &intel_hdmi_enc_funcs, DRM_MODE_ENCODER_TMDS, "HDMI %c", port_name(port)); -- Sean Paul, Software Engineer, Google / Chromium OS _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: Sean Paul <sean@poorly.run> To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Cc: daniel.vetter@ffwll.ch, Sean Paul <seanpaul@chromium.org> Subject: [Intel-gfx] [PATCH v4 08/14] drm/i915: Don't fully disable HDCP on a port if multiple pipes are using it Date: Tue, 18 Feb 2020 17:02:36 -0500 [thread overview] Message-ID: <20200218220242.107265-9-sean@poorly.run> (raw) In-Reply-To: <20200218220242.107265-1-sean@poorly.run> From: Sean Paul <seanpaul@chromium.org> This patch is required for HDCP over MST. If a port is being used for multiple HDCP streams, we don't want to fully disable HDCP on a port if one of them is disabled. Instead, we just disable the HDCP signalling on that particular pipe and exit early. The last pipe to disable HDCP will also bring down HDCP on the port. In order to achieve this, we need to keep a refcount in intel_digital_port and protect it using a new hdcp_mutex. Cc: Ramalingam C <ramalingam.c@intel.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191203173638.94919-8-sean@poorly.run #v1 Link: https://patchwork.freedesktop.org/patch/msgid/20191212190230.188505-9-sean@poorly.run #v2 Link: https://patchwork.freedesktop.org/patch/msgid/20200117193103.156821-9-sean@poorly.run #v3 Changes in v2: -Move the toggle_signalling call into _intel_hdcp_disable so it's called from check_work Changes in v3: -None Changes in v4: -None --- drivers/gpu/drm/i915/display/intel_ddi.c | 3 ++ .../drm/i915/display/intel_display_types.h | 5 ++ drivers/gpu/drm/i915/display/intel_dp.c | 2 + drivers/gpu/drm/i915/display/intel_hdcp.c | 52 +++++++++++++++---- drivers/gpu/drm/i915/display/intel_hdmi.c | 2 + 5 files changed, 55 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 61984218961fa..e84315ce753cd 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -4758,6 +4758,9 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) drm_encoder_init(&dev_priv->drm, &encoder->base, &intel_ddi_funcs, DRM_MODE_ENCODER_TMDS, "DDI %c", port_name(port)); + mutex_init(&intel_dig_port->hdcp_mutex); + intel_dig_port->num_hdcp_streams = 0; + encoder->hotplug = intel_ddi_hotplug; encoder->compute_output_type = intel_ddi_compute_output_type; encoder->compute_config = intel_ddi_compute_config; diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index b9e4ba8071d29..edbe8211078df 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1339,6 +1339,11 @@ struct intel_digital_port { enum phy_fia tc_phy_fia; u8 tc_phy_fia_idx; + /* protects num_hdcp_streams reference count */ + struct mutex hdcp_mutex; + /* the number of pipes using HDCP signalling out of this port */ + unsigned int num_hdcp_streams; + void (*write_infoframe)(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, unsigned int type, diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index f601cdcd4c647..05d09161afa76 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -7641,6 +7641,8 @@ bool intel_dp_init(struct drm_i915_private *dev_priv, intel_encoder = &intel_dig_port->base; encoder = &intel_encoder->base; + mutex_init(&intel_dig_port->hdcp_mutex); + if (drm_encoder_init(&dev_priv->drm, &intel_encoder->base, &intel_dp_enc_funcs, DRM_MODE_ENCODER_TMDS, "DP %c", port_name(port))) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 161f4bcc5bda5..970cdd793cbbe 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -796,6 +796,19 @@ static int _intel_hdcp_disable(struct intel_connector *connector) drm_dbg_kms(&dev_priv->drm, "[%s:%d] HDCP is being disabled...\n", connector->base.name, connector->base.base.id); + /* + * If there are other connectors on this port using HDCP, don't disable + * it. Instead, toggle the HDCP signalling off on that particular + * connector/pipe and exit. + */ + if (intel_dig_port->num_hdcp_streams > 0) { + ret = hdcp->shim->toggle_signalling(intel_dig_port, + cpu_transcoder, false); + if (ret) + DRM_ERROR("Failed to disable HDCP signalling\n"); + return ret; + } + hdcp->hdcp_encrypted = false; intel_de_write(dev_priv, HDCP_CONF(dev_priv, cpu_transcoder, port), 0); if (intel_de_wait_for_clear(dev_priv, @@ -876,6 +889,7 @@ struct intel_connector *intel_hdcp_to_connector(struct intel_hdcp *hdcp) static void intel_hdcp_update_value(struct intel_connector *connector, u64 value, bool update_property) { + struct intel_digital_port *intel_dig_port = intel_attached_dig_port(connector); struct intel_hdcp *hdcp = &connector->hdcp; WARN_ON(!mutex_is_locked(&hdcp->mutex)); @@ -883,6 +897,15 @@ static void intel_hdcp_update_value(struct intel_connector *connector, if (hdcp->value == value) return; + WARN_ON(!mutex_is_locked(&intel_dig_port->hdcp_mutex)); + + if (hdcp->value == DRM_MODE_CONTENT_PROTECTION_ENABLED) { + if (!WARN_ON(intel_dig_port->num_hdcp_streams == 0)) + intel_dig_port->num_hdcp_streams--; + } else if (value == DRM_MODE_CONTENT_PROTECTION_ENABLED) { + intel_dig_port->num_hdcp_streams++; + } + hdcp->value = value; if (update_property) { drm_connector_get(&connector->base); @@ -901,6 +924,8 @@ static int intel_hdcp_check_link(struct intel_connector *connector) int ret = 0; mutex_lock(&hdcp->mutex); + mutex_lock(&intel_dig_port->hdcp_mutex); + cpu_transcoder = hdcp->cpu_transcoder; /* Check_link valid only when HDCP1.4 is enabled */ @@ -953,6 +978,7 @@ static int intel_hdcp_check_link(struct intel_connector *connector) } out: + mutex_unlock(&intel_dig_port->hdcp_mutex); mutex_unlock(&hdcp->mutex); return ret; } @@ -2034,6 +2060,7 @@ int intel_hdcp_enable(struct intel_connector *connector, enum transcoder cpu_transcoder, u8 content_type) { struct drm_i915_private *dev_priv = to_i915(connector->base.dev); + struct intel_digital_port *intel_dig_port = intel_attached_dig_port(connector); struct intel_hdcp *hdcp = &connector->hdcp; unsigned long check_link_interval = DRM_HDCP_CHECK_PERIOD_MS; int ret = -EINVAL; @@ -2042,6 +2069,7 @@ int intel_hdcp_enable(struct intel_connector *connector, return -ENOENT; mutex_lock(&hdcp->mutex); + mutex_lock(&intel_dig_port->hdcp_mutex); WARN_ON(hdcp->value == DRM_MODE_CONTENT_PROTECTION_ENABLED); hdcp->content_type = content_type; @@ -2076,12 +2104,14 @@ int intel_hdcp_enable(struct intel_connector *connector, true); } + mutex_unlock(&intel_dig_port->hdcp_mutex); mutex_unlock(&hdcp->mutex); return ret; } int intel_hdcp_disable(struct intel_connector *connector) { + struct intel_digital_port *intel_dig_port = intel_attached_dig_port(connector); struct intel_hdcp *hdcp = &connector->hdcp; int ret = 0; @@ -2089,17 +2119,21 @@ int intel_hdcp_disable(struct intel_connector *connector) return -ENOENT; mutex_lock(&hdcp->mutex); + mutex_lock(&intel_dig_port->hdcp_mutex); - if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) { - intel_hdcp_update_value(connector, - DRM_MODE_CONTENT_PROTECTION_UNDESIRED, - false); - if (hdcp->hdcp2_encrypted) - ret = _intel_hdcp2_disable(connector); - else if (hdcp->hdcp_encrypted) - ret = _intel_hdcp_disable(connector); - } + if (hdcp->value == DRM_MODE_CONTENT_PROTECTION_UNDESIRED) + goto out; + + intel_hdcp_update_value(connector, + DRM_MODE_CONTENT_PROTECTION_UNDESIRED, false); + if (hdcp->hdcp2_encrypted) + ret = _intel_hdcp2_disable(connector); + else if (hdcp->hdcp_encrypted) + ret = _intel_hdcp_disable(connector); + +out: + mutex_unlock(&intel_dig_port->hdcp_mutex); mutex_unlock(&hdcp->mutex); cancel_delayed_work_sync(&hdcp->check_work); return ret; diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index f1092066440f4..d569d0a1f1dcf 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -3264,6 +3264,8 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv, intel_encoder = &intel_dig_port->base; + mutex_init(&intel_dig_port->hdcp_mutex); + drm_encoder_init(&dev_priv->drm, &intel_encoder->base, &intel_hdmi_enc_funcs, DRM_MODE_ENCODER_TMDS, "HDMI %c", port_name(port)); -- Sean Paul, Software Engineer, Google / Chromium OS _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2020-02-18 22:04 UTC|newest] Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-02-18 22:02 [PATCH v4 00/14] drm/i915: Add support for HDCP 1.4 over MST connectors Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-18 22:02 ` [PATCH v4 01/14] drm/i915: Fix sha_text population code Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-18 22:02 ` Sean Paul 2020-02-20 12:49 ` Sasha Levin 2020-02-20 12:49 ` [Intel-gfx] " Sasha Levin 2020-02-18 22:02 ` [PATCH v4 02/14] drm/i915: Clear the repeater bit on HDCP disable Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-18 22:02 ` Sean Paul 2020-02-18 22:02 ` [PATCH v4 03/14] drm/i915: WARN if HDCP signalling is enabled upon disable Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-18 22:02 ` [PATCH v4 04/14] drm/i915: Intercept Aksv writes in the aux hooks Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-18 22:02 ` [PATCH v4 05/14] drm/i915: Use the cpu_transcoder in intel_hdcp to toggle HDCP signalling Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-18 22:02 ` [PATCH v4 06/14] drm/i915: Factor out hdcp->value assignments Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-18 22:02 ` [PATCH v4 07/14] drm/i915: Protect workers against disappearing connectors Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-18 22:02 ` Sean Paul [this message] 2020-02-18 22:02 ` [Intel-gfx] [PATCH v4 08/14] drm/i915: Don't fully disable HDCP on a port if multiple pipes are using it Sean Paul 2020-02-18 22:02 ` [PATCH v4 09/14] drm/i915: Support DP MST in enc_to_dig_port() function Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-18 22:02 ` [PATCH v4 10/14] drm/i915: Use ddi_update_pipe in intel_dp_mst Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-18 22:02 ` [PATCH v4 11/14] drm/i915: Factor out HDCP shim functions from dp for use by dp_mst Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-18 22:02 ` [PATCH v4 12/14] drm/i915: Add connector to hdcp_shim->check_link() Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-18 22:02 ` [PATCH v4 13/14] drm/mst: Add support for QUERY_STREAM_ENCRYPTION_STATUS MST sideband message Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-28 22:51 ` Lyude Paul 2020-02-28 22:51 ` [Intel-gfx] " Lyude Paul 2020-02-18 22:02 ` [PATCH v4 14/14] drm/i915: Add HDCP 1.4 support for MST connectors Sean Paul 2020-02-18 22:02 ` [Intel-gfx] " Sean Paul 2020-02-19 2:46 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Add support for HDCP 1.4 over MST connectors (rev4) Patchwork 2020-02-19 3:16 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork 2020-02-20 16:14 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork 2020-02-22 0:53 ` [PATCH v4 00/14] drm/i915: Add support for HDCP 1.4 over MST connectors Li, Juston 2020-02-22 0:53 ` [Intel-gfx] " Li, Juston 2020-02-27 18:56 ` [PATCH v4 13.5/14] drm/i915: Print HDCP version info for all connectors Sean Paul 2020-02-27 18:56 ` [Intel-gfx] " Sean Paul 2020-02-27 23:42 ` Li, Juston 2020-02-27 23:42 ` [Intel-gfx] " Li, Juston 2020-02-28 7:47 ` Ramalingam C 2020-02-28 7:47 ` [Intel-gfx] " Ramalingam C 2020-02-28 0:33 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork 2020-02-29 8:22 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
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