Merge tag 'drm-intel-next-2020-09-17' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Driver Changes:

- Reduce INTEL_DISPLAY_ENABLED to just removed outputs treating it as disconnected (Ville)
- Introducing new AUX, DVO, and TC ports and refactoring code around hot plug interrupts for those. (Ville)
- Centralize PLL_ENABLE register lookup (Anusha)
- Improvements around DP downstream facing ports (DFP). (Ville)
- Enable YCbCr 444->420 conversion for HDMI DFPs. Ville
- Remove the old global state on Display's atomic modeset (Ville)
- Nuke force_min_cdclk_changed (Ville)
- Extend a TGL W/A to all SKUs and to RKL (Swathi)

Signed-off-by: Dave Airlie <[email protected]>

From: Rodrigo Vivi <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index a2d91a499700..64d885539e94 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -37,6 +37,7 @@
 #include "intel_dp.h"
 #include "intel_dp_mst.h"
 #include "intel_dpio_phy.h"
+#include "intel_hdcp.h"
 
 static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
 					    struct intel_crtc_state *crtc_state,
@@ -352,6 +353,8 @@ static void intel_mst_disable_dp(struct intel_atomic_state *state,
 	drm_dbg_kms(&i915->drm, "active links %d\n",
 		    intel_dp->active_mst_links);
 
+	intel_hdcp_disable(intel_mst->connector);
+
 	drm_dp_mst_reset_vcpi_slots(&intel_dp->mst_mgr, connector->port);
 
 	ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr);
@@ -556,6 +559,13 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state,
 
 	if (pipe_config->has_audio)
 		intel_audio_codec_enable(encoder, pipe_config, conn_state);
+
+	/* Enable hdcp if it's desired */
+	if (conn_state->content_protection ==
+	    DRM_MODE_CONTENT_PROTECTION_DESIRED)
+		intel_hdcp_enable(to_intel_connector(conn_state->connector),
+				  pipe_config->cpu_transcoder,
+				  (u8)conn_state->hdcp_content_type);
 }
 
 static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder *encoder,
@@ -709,9 +719,13 @@ static int
 intel_dp_mst_detect(struct drm_connector *connector,
 		    struct drm_modeset_acquire_ctx *ctx, bool force)
 {
+	struct drm_i915_private *i915 = to_i915(connector->dev);
 	struct intel_connector *intel_connector = to_intel_connector(connector);
 	struct intel_dp *intel_dp = intel_connector->mst_port;
 
+	if (!INTEL_DISPLAY_ENABLED(i915))
+		return connector_status_disconnected;
+
 	if (drm_connector_is_unregistered(connector))
 		return connector_status_disconnected;
 
@@ -799,6 +813,14 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo
 	intel_attach_force_audio_property(connector);
 	intel_attach_broadcast_rgb_property(connector);
 
+
+	/* TODO: Figure out how to make HDCP work on GEN12+ */
+	if (INTEL_GEN(dev_priv) < 12) {
+		ret = intel_dp_init_hdcp(dig_port, intel_connector);
+		if (ret)
+			DRM_DEBUG_KMS("HDCP init failed, skipping.\n");
+	}
+
 	/*
 	 * Reuse the prop from the SST connector because we're
 	 * not allowed to create new props after device registration.
@@ -865,6 +887,7 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *dig_port, enum pipe
 	intel_encoder->compute_config_late = intel_dp_mst_compute_config_late;
 	intel_encoder->disable = intel_mst_disable_dp;
 	intel_encoder->post_disable = intel_mst_post_disable_dp;
+	intel_encoder->update_pipe = intel_ddi_update_pipe;
 	intel_encoder->pre_pll_enable = intel_mst_pre_pll_enable_dp;
 	intel_encoder->pre_enable = intel_mst_pre_enable_dp;
 	intel_encoder->enable = intel_mst_enable_dp;