diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/calcs')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/calcs/Makefile | 21 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 9 |
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/Makefile b/drivers/gpu/drm/amd/display/dc/calcs/Makefile index 41ef35995b02..7959e382ed28 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/Makefile +++ b/drivers/gpu/drm/amd/display/dc/calcs/Makefile @@ -1,4 +1,25 @@ # +# Copyright 2017 Advanced Micro Devices, Inc. +# +# Permission is hereby granted, free of charge, to any person obtaining a +# copy of this software and associated documentation files (the "Software"), +# to deal in the Software without restriction, including without limitation +# the rights to use, copy, modify, merge, publish, distribute, sublicense, +# and/or sell copies of the Software, and to permit persons to whom the +# Software is furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. +# +# # Makefile for the 'calcs' sub-component of DAL. # It calculates Bandwidth and Watermarks values for HW programming # diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c index 3dce35e66b09..b142629a1058 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c @@ -900,6 +900,15 @@ bool dcn_validate_bandwidth( v->override_vta_ps[input_idx] = pipe->plane_res.scl_data.taps.v_taps; v->override_hta_pschroma[input_idx] = pipe->plane_res.scl_data.taps.h_taps_c; v->override_vta_pschroma[input_idx] = pipe->plane_res.scl_data.taps.v_taps_c; + /* + * Spreadsheet doesn't handle taps_c is one properly, + * need to force Chroma to always be scaled to pass + * bandwidth validation. + */ + if (v->override_hta_pschroma[input_idx] == 1) + v->override_hta_pschroma[input_idx] = 2; + if (v->override_vta_pschroma[input_idx] == 1) + v->override_vta_pschroma[input_idx] = 2; v->source_scan[input_idx] = (pipe->plane_state->rotation % 2) ? dcn_bw_vert : dcn_bw_hor; } if (v->is_line_buffer_bpp_fixed == dcn_bw_yes) |