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path: root/drivers/gpu/drm/i915/display/intel_tc.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_tc.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_tc.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index 40faa18947c9..7784c30fe893 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -345,10 +345,11 @@ static bool icl_tc_phy_status_complete(struct intel_digital_port *dig_port)
static bool adl_tc_phy_status_complete(struct intel_digital_port *dig_port)
{
struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+ enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port);
struct intel_uncore *uncore = &i915->uncore;
u32 val;
- val = intel_uncore_read(uncore, TCSS_DDI_STATUS(dig_port->tc_phy_fia_idx));
+ val = intel_uncore_read(uncore, TCSS_DDI_STATUS(tc_port));
if (val == 0xffffffff) {
drm_dbg_kms(&i915->drm,
"Port %s: PHY in TCCOLD, assuming not complete\n",
@@ -690,6 +691,8 @@ void intel_tc_port_sanitize(struct intel_digital_port *dig_port)
{
struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
struct intel_encoder *encoder = &dig_port->base;
+ intel_wakeref_t tc_cold_wref;
+ enum intel_display_power_domain domain;
int active_links = 0;
mutex_lock(&dig_port->tc_lock);
@@ -701,12 +704,11 @@ void intel_tc_port_sanitize(struct intel_digital_port *dig_port)
drm_WARN_ON(&i915->drm, dig_port->tc_mode != TC_PORT_DISCONNECTED);
drm_WARN_ON(&i915->drm, dig_port->tc_lock_wakeref);
- if (active_links) {
- enum intel_display_power_domain domain;
- intel_wakeref_t tc_cold_wref = tc_cold_block(dig_port, &domain);
- dig_port->tc_mode = intel_tc_port_get_current_mode(dig_port);
+ tc_cold_wref = tc_cold_block(dig_port, &domain);
+ dig_port->tc_mode = intel_tc_port_get_current_mode(dig_port);
+ if (active_links) {
if (!icl_tc_phy_is_connected(dig_port))
drm_dbg_kms(&i915->drm,
"Port %s: PHY disconnected with %d active link(s)\n",
@@ -715,10 +717,23 @@ void intel_tc_port_sanitize(struct intel_digital_port *dig_port)
dig_port->tc_lock_wakeref = tc_cold_block(dig_port,
&dig_port->tc_lock_power_domain);
-
- tc_cold_unblock(dig_port, domain, tc_cold_wref);
+ } else {
+ /*
+ * TBT-alt is the default mode in any case the PHY ownership is not
+ * held (regardless of the sink's connected live state), so
+ * we'll just switch to disconnected mode from it here without
+ * a note.
+ */
+ if (dig_port->tc_mode != TC_PORT_TBT_ALT)
+ drm_dbg_kms(&i915->drm,
+ "Port %s: PHY left in %s mode on disabled port, disconnecting it\n",
+ dig_port->tc_port_name,
+ tc_port_mode_name(dig_port->tc_mode));
+ icl_tc_phy_disconnect(dig_port);
}
+ tc_cold_unblock(dig_port, domain, tc_cold_wref);
+
drm_dbg_kms(&i915->drm, "Port %s: sanitize mode (%s)\n",
dig_port->tc_port_name,
tc_port_mode_name(dig_port->tc_mode));