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-rw-r--r--drivers/gpu/drm/i915/display/intel_tc.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index 3bc57579fe53..8208539bfe66 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -1226,14 +1226,19 @@ static void tc_phy_get_hw_state(struct intel_tc_port *tc)
tc->phy_ops->get_hw_state(tc);
}
-static bool tc_phy_is_ready_and_owned(struct intel_tc_port *tc,
- bool phy_is_ready, bool phy_is_owned)
+/* Is the PHY owned by display i.e. is it in legacy or DP-alt mode? */
+static bool tc_phy_owned_by_display(struct intel_tc_port *tc,
+ bool phy_is_ready, bool phy_is_owned)
{
struct intel_display *display = to_intel_display(tc->dig_port);
- drm_WARN_ON(display->drm, phy_is_owned && !phy_is_ready);
+ if (DISPLAY_VER(display) < 20) {
+ drm_WARN_ON(display->drm, phy_is_owned && !phy_is_ready);
- return phy_is_ready && phy_is_owned;
+ return phy_is_ready && phy_is_owned;
+ } else {
+ return phy_is_owned;
+ }
}
static bool tc_phy_is_connected(struct intel_tc_port *tc,
@@ -1244,7 +1249,7 @@ static bool tc_phy_is_connected(struct intel_tc_port *tc,
bool phy_is_owned = tc_phy_is_owned(tc);
bool is_connected;
- if (tc_phy_is_ready_and_owned(tc, phy_is_ready, phy_is_owned))
+ if (tc_phy_owned_by_display(tc, phy_is_ready, phy_is_owned))
is_connected = port_pll_type == ICL_PORT_DPLL_MG_PHY;
else
is_connected = port_pll_type == ICL_PORT_DPLL_DEFAULT;
@@ -1352,7 +1357,7 @@ tc_phy_get_current_mode(struct intel_tc_port *tc)
phy_is_ready = tc_phy_is_ready(tc);
phy_is_owned = tc_phy_is_owned(tc);
- if (!tc_phy_is_ready_and_owned(tc, phy_is_ready, phy_is_owned)) {
+ if (!tc_phy_owned_by_display(tc, phy_is_ready, phy_is_owned)) {
mode = get_tc_mode_in_phy_not_owned_state(tc, live_mode);
} else {
drm_WARN_ON(display->drm, live_mode == TC_PORT_TBT_ALT);