drm/i915/dp_mst: Fix BW limit check when calculating DSC DPT bpp

The DSC DPT bpp limit check should only fail if the available DPT BW is
less than the required BW, fix the check accordingly.

Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240416221010.376865-4-imre.deak@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 196eeead8cf021d2ab10c20856243432e410d5c5..58eb6bf33c92e1192f54789e29c771bd86a03300 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -60,7 +60,7 @@ static int intel_dp_mst_check_constraints(struct drm_i915_private *i915, int bpp
                int output_bpp = bpp;
                int symbol_clock = intel_dp_link_symbol_clock(crtc_state->port_clock);
 
-               if (output_bpp * adjusted_mode->crtc_clock >=
+               if (output_bpp * adjusted_mode->crtc_clock >
                    symbol_clock * 72) {
                        drm_dbg_kms(&i915->drm, "UHBR check failed(required bw %d available %d)\n",
                                    output_bpp * adjusted_mode->crtc_clock, symbol_clock * 72);