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1/*2 * Copyright 2012-15 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: AMD23 *24 */25 26#include "core_types.h"27#include "dc_common.h"28#include "basics/conversion.h"29 30bool is_rgb_cspace(enum dc_color_space output_color_space)31{32 switch (output_color_space) {33 case COLOR_SPACE_SRGB:34 case COLOR_SPACE_SRGB_LIMITED:35 case COLOR_SPACE_2020_RGB_FULLRANGE:36 case COLOR_SPACE_2020_RGB_LIMITEDRANGE:37 case COLOR_SPACE_ADOBERGB:38 return true;39 case COLOR_SPACE_YCBCR601:40 case COLOR_SPACE_YCBCR709:41 case COLOR_SPACE_YCBCR601_LIMITED:42 case COLOR_SPACE_YCBCR709_LIMITED:43 case COLOR_SPACE_2020_YCBCR:44 return false;45 default:46 /* Add a case to switch */47 BREAK_TO_DEBUGGER();48 return false;49 }50}51 52bool is_lower_pipe_tree_visible(struct pipe_ctx *pipe_ctx)53{54 if (pipe_ctx->plane_state && pipe_ctx->plane_state->visible)55 return true;56 if (pipe_ctx->bottom_pipe && is_lower_pipe_tree_visible(pipe_ctx->bottom_pipe))57 return true;58 return false;59}60 61bool is_upper_pipe_tree_visible(struct pipe_ctx *pipe_ctx)62{63 if (pipe_ctx->plane_state && pipe_ctx->plane_state->visible)64 return true;65 if (pipe_ctx->top_pipe && is_upper_pipe_tree_visible(pipe_ctx->top_pipe))66 return true;67 return false;68}69 70bool is_pipe_tree_visible(struct pipe_ctx *pipe_ctx)71{72 if (pipe_ctx->plane_state && pipe_ctx->plane_state->visible)73 return true;74 if (pipe_ctx->top_pipe && is_upper_pipe_tree_visible(pipe_ctx->top_pipe))75 return true;76 if (pipe_ctx->bottom_pipe && is_lower_pipe_tree_visible(pipe_ctx->bottom_pipe))77 return true;78 return false;79}80 81void build_prescale_params(struct dc_bias_and_scale *bias_and_scale,82 const struct dc_plane_state *plane_state)83{84 if (plane_state->format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN85 && plane_state->format != SURFACE_PIXEL_FORMAT_INVALID86 && plane_state->input_csc_color_matrix.enable_adjustment87 && plane_state->coeff_reduction_factor.value != 0) {88 bias_and_scale->scale_blue = fixed_point_to_int_frac(89 dc_fixpt_mul(plane_state->coeff_reduction_factor,90 dc_fixpt_from_fraction(256, 255)),91 2,92 13);93 bias_and_scale->scale_red = bias_and_scale->scale_blue;94 bias_and_scale->scale_green = bias_and_scale->scale_blue;95 } else {96 bias_and_scale->scale_blue = 0x2000;97 bias_and_scale->scale_red = 0x2000;98 bias_and_scale->scale_green = 0x2000;99 }100}101 102