On Thu, Jul 07, 2016 at 01:55:43PM +0200, Maarten Lankhorst wrote:
> No idea if it supports it, but this is the minimum required from get_dpll.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_dpll_mgr.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
> index 5c1f2d235ffa..655a5b382cf9 100644
> --- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
> +++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
> @@ -1535,7 +1535,8 @@ bxt_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
>
> vco = best_clock.vco;
> } else if (encoder->type == INTEL_OUTPUT_DP ||
> - encoder->type == INTEL_OUTPUT_EDP) {
> + encoder->type == INTEL_OUTPUT_EDP ||
> + encoder->type == INTEL_OUTPUT_DP_MST) {
> int i;
>
> clk_div = bxt_dp_clk_val[0];
> @@ -1611,7 +1612,12 @@ bxt_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
> crtc_state->dpll_hw_state.pcsdw12 =
> LANESTAGGER_STRAP_OVRD | lanestagger;
>
> - intel_dig_port = enc_to_dig_port(&encoder->base);
> + if (encoder->type == INTEL_OUTPUT_DP_MST) {
> + struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
> +
> + intel_dig_port = intel_mst->primary;
> + } else
> + intel_dig_port = enc_to_dig_port(&encoder->base);
We still have intel_ddi_get_encoder_port(), so maybe use it?
>
> /* 1:1 mapping between ports and PLLs */
> i = (enum intel_dpll_id) intel_dig_port->port;
> --
> 2.5.5
>
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--
Ville Syrjälä
Intel OTC
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