> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Imre
> Deak
> Sent: Thursday, March 23, 2023 4:20 PM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Subject: [PATCH 06/29] drm/i915/tc: Check for TC PHY explicitly in
> intel_tc_port_fia_max_lane_count()
>
> Check explicitly if the port passed to
> intel_tc_port_fia_max_lane_count() has a TC PHY, instead of relying on the
> default TC mode value set for non-TC PHY ports.
>
Reviewed-by: Mika Kahola <mika.kahola@xxxxxxxxx>
> Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_tc.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_tc.c
> b/drivers/gpu/drm/i915/display/intel_tc.c
> index 70771044a2fe8..48a59a675cd57 100644
> --- a/drivers/gpu/drm/i915/display/intel_tc.c
> +++ b/drivers/gpu/drm/i915/display/intel_tc.c
> @@ -188,10 +188,11 @@ int intel_tc_port_fia_max_lane_count(struct
> intel_digital_port *dig_port) {
> struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
> struct intel_tc_port *tc = to_tc_port(dig_port);
> + enum phy phy = intel_port_to_phy(i915, dig_port->base.port);
> intel_wakeref_t wakeref;
> u32 lane_mask;
>
> - if (tc->mode != TC_PORT_DP_ALT)
> + if (!intel_phy_is_tc(i915, phy) || tc->mode != TC_PORT_DP_ALT)
> return 4;
>
> assert_tc_cold_blocked(tc);
> --
> 2.37.1
