drm/amd/display: Use forced DSC bpp in DML

[Why]
DSC config is calculated separately from DML calculations.
DML should use these separately calculated DSC params. The issue is
that the calculated bpp is not properly propagated into DML.

[How]
Correctly used forced_bpp value in DML.
Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Tested-by: Mark Broadworth <mark.broadworth@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c

@@ -1627,7 +1627,7 @@ static void mode_support_configuration(struct vba_vars_st *v,
 				&& !mode_lib->vba.MSOOrODMSplitWithNonDPLink
 				&& !mode_lib->vba.NotEnoughLanesForMSO
 				&& mode_lib->vba.LinkCapacitySupport[i] == true && !mode_lib->vba.P2IWith420
-				&& !mode_lib->vba.DSCOnlyIfNecessaryWithBPP
+				//&& !mode_lib->vba.DSCOnlyIfNecessaryWithBPP
 				&& !mode_lib->vba.DSC422NativeNotSupported
 				&& !mode_lib->vba.MPCCombineMethodIncompatible
 				&& mode_lib->vba.ODMCombine2To1SupportCheckOK[i] == true

drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c

@@ -625,7 +625,7 @@ static void fetch_pipe_params(struct display_mode_lib *mode_lib)
 		mode_lib->vba.skip_dio_check[mode_lib->vba.NumberOfActivePlanes] =
 				dout->is_virtual;
 
-		if (!dout->dsc_enable)
+		if (dout->dsc_enable)
 			mode_lib->vba.ForcedOutputLinkBPP[mode_lib->vba.NumberOfActivePlanes] = dout->output_bpp;
 		else
 			mode_lib->vba.ForcedOutputLinkBPP[mode_lib->vba.NumberOfActivePlanes] = 0.0;