From ad20e00200d50bdfe6bd47e77e88e6304614e429 Mon Sep 17 00:00:00 2001 From: SivapiriyanKumarasamy Date: Wed, 7 Nov 2018 14:59:41 -0500 Subject: [PATCH 0887/2940] drm/amd/display: Program dithering if requested Dithering needs to be enabled or disabled as requested. If dc_stream_update->dither_option is non-null, program the FMT blocks. Signed-off-by: SivapiriyanKumarasamy Reviewed-by: Anthony Koo Reviewed-by: Krunoslav Kovac Acked-by: Leo Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc.c | 8 ++++++++ drivers/gpu/drm/amd/display/dc/dc_stream.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 2d3fa8e792d8..30fd7b792ef9 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1463,6 +1463,14 @@ static void commit_planes_do_stream_update(struct dc *dc, if (stream_update->output_csc_transform) dc_stream_program_csc_matrix(dc, stream); + if (stream_update->dither_option) { + resource_build_bit_depth_reduction_params(pipe_ctx->stream, + &pipe_ctx->stream->bit_depth_params); + pipe_ctx->stream_res.opp->funcs->opp_program_fmt(pipe_ctx->stream_res.opp, + &stream->bit_depth_params, + &stream->clamping); + } + /* Full fe update*/ if (update_type == UPDATE_TYPE_FAST) continue; diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index 0c42418b0b3d..be34d638e15d 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -136,6 +136,7 @@ struct dc_stream_update { struct colorspace_transform *gamut_remap; enum dc_color_space *output_color_space; + enum dc_dither_option *dither_option; struct dc_csc_transform *output_csc_transform; -- 2.17.1