1/* $NetBSD: amdgpu_dc_common.c,v 1.2 2021/12/18 23:45:00 riastradh Exp $ */ 2 3/* 4 * Copyright 2012-15 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: AMD 25 * 26 */ 27 28#include <sys/cdefs.h> 29__KERNEL_RCSID(0, "$NetBSD: amdgpu_dc_common.c,v 1.2 2021/12/18 23:45:00 riastradh Exp $"); 30 31#include "core_types.h" 32#include "dc_common.h" 33#include "basics/conversion.h" 34 35bool is_rgb_cspace(enum dc_color_space output_color_space) 36{ 37 switch (output_color_space) { 38 case COLOR_SPACE_SRGB: 39 case COLOR_SPACE_SRGB_LIMITED: 40 case COLOR_SPACE_2020_RGB_FULLRANGE: 41 case COLOR_SPACE_2020_RGB_LIMITEDRANGE: 42 case COLOR_SPACE_ADOBERGB: 43 return true; 44 case COLOR_SPACE_YCBCR601: 45 case COLOR_SPACE_YCBCR709: 46 case COLOR_SPACE_YCBCR601_LIMITED: 47 case COLOR_SPACE_YCBCR709_LIMITED: 48 case COLOR_SPACE_2020_YCBCR: 49 return false; 50 default: 51 /* Add a case to switch */ 52 BREAK_TO_DEBUGGER(); 53 return false; 54 } 55} 56 57bool is_lower_pipe_tree_visible(struct pipe_ctx *pipe_ctx) 58{ 59 if (pipe_ctx->plane_state && pipe_ctx->plane_state->visible) 60 return true; 61 if (pipe_ctx->bottom_pipe && is_lower_pipe_tree_visible(pipe_ctx->bottom_pipe)) 62 return true; 63 return false; 64} 65 66bool is_upper_pipe_tree_visible(struct pipe_ctx *pipe_ctx) 67{ 68 if (pipe_ctx->plane_state && pipe_ctx->plane_state->visible) 69 return true; 70 if (pipe_ctx->top_pipe && is_upper_pipe_tree_visible(pipe_ctx->top_pipe)) 71 return true; 72 return false; 73} 74 75bool is_pipe_tree_visible(struct pipe_ctx *pipe_ctx) 76{ 77 if (pipe_ctx->plane_state && pipe_ctx->plane_state->visible) 78 return true; 79 if (pipe_ctx->top_pipe && is_upper_pipe_tree_visible(pipe_ctx->top_pipe)) 80 return true; 81 if (pipe_ctx->bottom_pipe && is_lower_pipe_tree_visible(pipe_ctx->bottom_pipe)) 82 return true; 83 return false; 84} 85 86void build_prescale_params(struct dc_bias_and_scale *bias_and_scale, 87 const struct dc_plane_state *plane_state) 88{ 89 if (plane_state->format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN 90 && plane_state->format != SURFACE_PIXEL_FORMAT_INVALID 91 && plane_state->input_csc_color_matrix.enable_adjustment 92 && plane_state->coeff_reduction_factor.value != 0) { 93 bias_and_scale->scale_blue = fixed_point_to_int_frac( 94 dc_fixpt_mul(plane_state->coeff_reduction_factor, 95 dc_fixpt_from_fraction(256, 255)), 96 2, 97 13); 98 bias_and_scale->scale_red = bias_and_scale->scale_blue; 99 bias_and_scale->scale_green = bias_and_scale->scale_blue; 100 } else { 101 bias_and_scale->scale_blue = 0x2000; 102 bias_and_scale->scale_red = 0x2000; 103 bias_and_scale->scale_green = 0x2000; 104 } 105} 106 107