DCN3.01 presents the same banding issue as reported in the link below,
but the previous fix doesn't cover this hw. Change the helper used to
translate degamma/blend curves to HW points for DCN30, DCN 301, DCN31
and DCN314 similar to what was done for DCN32+ by commit 3719314af322
("drm/amd/display: use a separate helper to translate degamma curves").Link: https://lore.kernel.org/amd-gfx/[email protected]/ Fixes: 3719314af322 ("drm/amd/display: use a separate helper to translate degamma curves") Signed-off-by: Melissa Wen <[email protected]> --- .../gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c index cb163902e12e..6980f622db0a 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c @@ -243,10 +243,9 @@ bool dcn30_set_blend_lut( if (plane_state->cm.blend_func.type == TF_TYPE_HWPWL) blend_lut = &plane_state->cm.blend_func.pwl; else if (plane_state->cm.blend_func.type == TF_TYPE_DISTRIBUTED_POINTS) { - result = cm3_helper_translate_curve_to_hw_format(plane_state->ctx, + result = cm3_helper_translate_curve_to_degamma_hw_format( &plane_state->cm.blend_func, - &dpp_base->regamma_params, - false); + &dpp_base->regamma_params); if (!result) return result; @@ -337,9 +336,8 @@ bool dcn30_set_input_transfer_func(struct dc *dc, if (plane_state->in_transfer_func.type == TF_TYPE_HWPWL) params = &plane_state->in_transfer_func.pwl; else if (plane_state->in_transfer_func.type == TF_TYPE_DISTRIBUTED_POINTS && - cm3_helper_translate_curve_to_hw_format(plane_state->ctx, - &plane_state->in_transfer_func, - &dpp_base->degamma_params, false)) + cm3_helper_translate_curve_to_degamma_hw_format(&plane_state->in_transfer_func, + &dpp_base->degamma_params)) params = &dpp_base->degamma_params; result = dpp_base->funcs->dpp_program_gamcor_lut(dpp_base, params); -- 2.53.0
