From b762ae48293e2cc2145cdc91eb596d057f1aff11 Mon Sep 17 00:00:00 2001 From: Imre Deak Date: Wed, 15 Oct 2025 19:19:31 +0300 Subject: [PATCH] drm/i915/dp_mst: Reuse the DP-SST helper function to compute FEC config MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reuse the DP-SST helper to compute the state for the FEC enabled state for DP-MST as well. Signed-off-by: Imre Deak Reviewed-by: Jouni Högander Link: https://lore.kernel.org/r/20251015161934.262108-5-imre.deak@intel.com --- drivers/gpu/drm/i915/display/intel_dp_mst.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index d0590b5ffffd7..0cbb4c3a8e22f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -298,12 +298,10 @@ int intel_dp_mtp_tu_compute_config(struct intel_dp *intel_dp, * after it was set by intel_dp_dsc_compute_config() -> * intel_dp_needs_8b10b_fec(). */ - if (dsc) { - if (!intel_dp_supports_fec(intel_dp, connector, crtc_state)) - return -EINVAL; - - crtc_state->fec_enable = !intel_dp_is_uhbr(crtc_state); - } + crtc_state->fec_enable = intel_dp_needs_8b10b_fec(crtc_state, dsc); + if (crtc_state->fec_enable && + !intel_dp_supports_fec(intel_dp, connector, crtc_state)) + return -EINVAL; max_dpt_bpp_x16 = fxp_q4_from_int(intel_dp_mst_max_dpt_bpp(crtc_state, dsc)); if (max_dpt_bpp_x16 && max_bpp_x16 > max_dpt_bpp_x16) { -- 2.47.3