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path: root/drivers/gpu/drm/i915/display/intel_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_hdmi.c117
1 files changed, 74 insertions, 43 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index de2ce5632b94..3f2008d845c2 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -1477,7 +1477,8 @@ int intel_hdmi_hdcp_read_v_prime_part(struct intel_digital_port *dig_port,
return ret;
}
-static int kbl_repositioning_enc_en_signal(struct intel_connector *connector)
+static int kbl_repositioning_enc_en_signal(struct intel_connector *connector,
+ enum transcoder cpu_transcoder)
{
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
@@ -1494,13 +1495,15 @@ static int kbl_repositioning_enc_en_signal(struct intel_connector *connector)
usleep_range(25, 50);
}
- ret = intel_ddi_toggle_hdcp_signalling(&dig_port->base, false);
+ ret = intel_ddi_toggle_hdcp_signalling(&dig_port->base, cpu_transcoder,
+ false);
if (ret) {
drm_err(&dev_priv->drm,
"Disable HDCP signalling failed (%d)\n", ret);
return ret;
}
- ret = intel_ddi_toggle_hdcp_signalling(&dig_port->base, true);
+ ret = intel_ddi_toggle_hdcp_signalling(&dig_port->base, cpu_transcoder,
+ true);
if (ret) {
drm_err(&dev_priv->drm,
"Enable HDCP signalling failed (%d)\n", ret);
@@ -1512,6 +1515,7 @@ static int kbl_repositioning_enc_en_signal(struct intel_connector *connector)
static
int intel_hdmi_hdcp_toggle_signalling(struct intel_digital_port *dig_port,
+ enum transcoder cpu_transcoder,
bool enable)
{
struct intel_hdmi *hdmi = &dig_port->hdmi;
@@ -1522,7 +1526,8 @@ int intel_hdmi_hdcp_toggle_signalling(struct intel_digital_port *dig_port,
if (!enable)
usleep_range(6, 60); /* Bspec says >= 6us */
- ret = intel_ddi_toggle_hdcp_signalling(&dig_port->base, enable);
+ ret = intel_ddi_toggle_hdcp_signalling(&dig_port->base, cpu_transcoder,
+ enable);
if (ret) {
drm_err(&dev_priv->drm, "%s HDCP signalling failed (%d)\n",
enable ? "Enable" : "Disable", ret);
@@ -1534,17 +1539,17 @@ int intel_hdmi_hdcp_toggle_signalling(struct intel_digital_port *dig_port,
* opportunity and enc_en signalling in KABYLAKE.
*/
if (IS_KABYLAKE(dev_priv) && enable)
- return kbl_repositioning_enc_en_signal(connector);
+ return kbl_repositioning_enc_en_signal(connector,
+ cpu_transcoder);
return 0;
}
static
-bool intel_hdmi_hdcp_check_link_once(struct intel_digital_port *dig_port)
+bool intel_hdmi_hdcp_check_link_once(struct intel_digital_port *dig_port,
+ struct intel_connector *connector)
{
struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
- struct intel_connector *connector =
- dig_port->hdmi.attached_connector;
enum port port = dig_port->base.port;
enum transcoder cpu_transcoder = connector->hdcp.cpu_transcoder;
int ret;
@@ -1572,13 +1577,14 @@ bool intel_hdmi_hdcp_check_link_once(struct intel_digital_port *dig_port)
}
static
-bool intel_hdmi_hdcp_check_link(struct intel_digital_port *dig_port)
+bool intel_hdmi_hdcp_check_link(struct intel_digital_port *dig_port,
+ struct intel_connector *connector)
{
struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
int retry;
for (retry = 0; retry < 3; retry++)
- if (intel_hdmi_hdcp_check_link_once(dig_port))
+ if (intel_hdmi_hdcp_check_link_once(dig_port, connector))
return true;
drm_err(&i915->drm, "Link check failed\n");
@@ -2271,35 +2277,18 @@ intel_hdmi_mode_valid(struct drm_connector *connector,
return intel_mode_valid_max_plane_size(dev_priv, mode);
}
-static bool hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,
- int bpc)
+bool intel_hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,
+ int bpc, bool has_hdmi_sink, bool ycbcr420_output)
{
- struct drm_i915_private *dev_priv =
- to_i915(crtc_state->uapi.crtc->dev);
struct drm_atomic_state *state = crtc_state->uapi.state;
struct drm_connector_state *connector_state;
struct drm_connector *connector;
- const struct drm_display_mode *adjusted_mode =
- &crtc_state->hw.adjusted_mode;
int i;
- if (HAS_GMCH(dev_priv))
- return false;
-
- if (bpc == 10 && INTEL_GEN(dev_priv) < 11)
- return false;
-
if (crtc_state->pipe_bpp < bpc * 3)
return false;
- if (!crtc_state->has_hdmi_sink)
- return false;
-
- /*
- * HDMI deep color affects the clocks, so it's only possible
- * when not cloning with other encoder types.
- */
- if (crtc_state->output_types != 1 << INTEL_OUTPUT_HDMI)
+ if (!has_hdmi_sink)
return false;
for_each_new_connector_in_state(state, connector, connector_state, i) {
@@ -2308,7 +2297,7 @@ static bool hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,
if (connector_state->crtc != crtc_state->uapi.crtc)
continue;
- if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420) {
+ if (ycbcr420_output) {
const struct drm_hdmi_info *hdmi = &info->hdmi;
if (bpc == 12 && !(hdmi->y420_dc_modes &
@@ -2327,6 +2316,30 @@ static bool hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,
}
}
+ return true;
+}
+
+static bool hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,
+ int bpc)
+{
+ struct drm_i915_private *dev_priv =
+ to_i915(crtc_state->uapi.crtc->dev);
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->hw.adjusted_mode;
+
+ if (HAS_GMCH(dev_priv))
+ return false;
+
+ if (bpc == 10 && INTEL_GEN(dev_priv) < 11)
+ return false;
+
+ /*
+ * HDMI deep color affects the clocks, so it's only possible
+ * when not cloning with other encoder types.
+ */
+ if (crtc_state->output_types != BIT(INTEL_OUTPUT_HDMI))
+ return false;
+
/* Display Wa_1405510057:icl,ehl */
if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420 &&
bpc == 10 && IS_GEN(dev_priv, 11) &&
@@ -2334,7 +2347,10 @@ static bool hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,
adjusted_mode->crtc_hblank_start) % 8 == 2)
return false;
- return true;
+ return intel_hdmi_deep_color_possible(crtc_state, bpc,
+ crtc_state->has_hdmi_sink,
+ crtc_state->output_format ==
+ INTEL_OUTPUT_FORMAT_YCBCR420);
}
static int
@@ -2459,6 +2475,23 @@ bool intel_hdmi_limited_color_range(const struct intel_crtc_state *crtc_state,
}
}
+static bool intel_hdmi_has_audio(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
+{
+ struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
+ const struct intel_digital_connector_state *intel_conn_state =
+ to_intel_digital_connector_state(conn_state);
+
+ if (!crtc_state->has_hdmi_sink)
+ return false;
+
+ if (intel_conn_state->force_audio == HDMI_AUDIO_AUTO)
+ return intel_hdmi->has_audio;
+ else
+ return intel_conn_state->force_audio == HDMI_AUDIO_ON;
+}
+
int intel_hdmi_compute_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
struct drm_connector_state *conn_state)
@@ -2468,8 +2501,6 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
struct drm_connector *connector = conn_state->connector;
struct drm_scdc *scdc = &connector->display_info.hdmi.scdc;
- struct intel_digital_connector_state *intel_conn_state =
- to_intel_digital_connector_state(conn_state);
int ret;
if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
@@ -2495,13 +2526,8 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
if (HAS_PCH_SPLIT(dev_priv) && !HAS_DDI(dev_priv))
pipe_config->has_pch_encoder = true;
- if (pipe_config->has_hdmi_sink) {
- if (intel_conn_state->force_audio == HDMI_AUDIO_AUTO)
- pipe_config->has_audio = intel_hdmi->has_audio;
- else
- pipe_config->has_audio =
- intel_conn_state->force_audio == HDMI_AUDIO_ON;
- }
+ pipe_config->has_audio =
+ intel_hdmi_has_audio(encoder, pipe_config, conn_state);
ret = intel_hdmi_compute_clock(encoder, pipe_config);
if (ret)
@@ -2667,6 +2693,9 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
drm_dbg_kms(&dev_priv->drm, "[CONNECTOR:%d:%s]\n",
connector->base.id, connector->name);
+ if (!INTEL_DISPLAY_ENABLED(dev_priv))
+ return connector_status_disconnected;
+
wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS);
if (INTEL_GEN(dev_priv) >= 11 &&
@@ -3250,7 +3279,6 @@ void intel_hdmi_init_connector(struct intel_digital_port *dig_port,
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
connector->ycbcr_420_allowed = true;
- intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port);
intel_connector->polled = DRM_CONNECTOR_POLL_HPD;
if (HAS_DDI(dev_priv))
@@ -3264,7 +3292,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *dig_port,
intel_hdmi->attached_connector = intel_connector;
if (is_hdcp_supported(dev_priv, port)) {
- int ret = intel_hdcp_init(intel_connector,
+ int ret = intel_hdcp_init(intel_connector, port,
&intel_hdmi_hdcp_shim);
if (ret)
drm_dbg_kms(&dev_priv->drm,
@@ -3335,6 +3363,8 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv,
intel_encoder = &dig_port->base;
+ mutex_init(&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));
@@ -3382,6 +3412,7 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv,
intel_encoder->pipe_mask = ~0;
}
intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG;
+ intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port);
/*
* BSpec is unclear about HDMI+HDMI cloning on g4x, but it seems
* to work on real hardware. And since g4x can send infoframes to