1 /* 2 * Copyright 2015 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * 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 OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 /* DC interface (public) */ 27 #include "dm_services.h" 28 #include "dc.h" 29 30 /* DC core (private) */ 31 #include "core_dc.h" 32 #include "transform.h" 33 34 /******************************************************************************* 35 * Private structures 36 ******************************************************************************/ 37 struct gamma { 38 struct core_gamma protected; 39 int ref_count; 40 }; 41 42 #define DC_GAMMA_TO_GAMMA(dc_gamma) \ 43 container_of(dc_gamma, struct gamma, protected.public) 44 #define CORE_GAMMA_TO_GAMMA(core_gamma) \ 45 container_of(core_gamma, struct gamma, protected) 46 47 /******************************************************************************* 48 * Private functions 49 ******************************************************************************/ 50 static bool construct(struct dc_context *ctx, struct core_surface *surface) 51 { 52 surface->ctx = ctx; 53 memset(&surface->public.hdr_static_ctx, 54 0, sizeof(struct dc_hdr_static_metadata)); 55 return true; 56 } 57 58 static void destruct(struct core_surface *surface) 59 { 60 if (surface->public.gamma_correction != NULL) { 61 dc_gamma_release(&surface->public.gamma_correction); 62 } 63 if (surface->public.in_transfer_func != NULL) { 64 dc_transfer_func_release( 65 surface->public.in_transfer_func); 66 surface->public.in_transfer_func = NULL; 67 } 68 } 69 70 /******************************************************************************* 71 * Public functions 72 ******************************************************************************/ 73 void enable_surface_flip_reporting(struct dc_surface *dc_surface, 74 uint32_t controller_id) 75 { 76 struct core_surface *surface = DC_SURFACE_TO_CORE(dc_surface); 77 surface->irq_source = controller_id + DC_IRQ_SOURCE_PFLIP1 - 1; 78 /*register_flip_interrupt(surface);*/ 79 } 80 81 struct dc_surface *dc_create_surface(const struct dc *dc) 82 { 83 struct core_dc *core_dc = DC_TO_CORE(dc); 84 85 struct core_surface *surface = dm_alloc(sizeof(*surface)); 86 87 if (NULL == surface) 88 goto alloc_fail; 89 90 if (false == construct(core_dc->ctx, surface)) 91 goto construct_fail; 92 93 ++surface->ref_count; 94 95 return &surface->public; 96 97 construct_fail: 98 dm_free(surface); 99 100 alloc_fail: 101 return NULL; 102 } 103 104 const struct dc_surface_status *dc_surface_get_status( 105 const struct dc_surface *dc_surface) 106 { 107 struct dc_surface_status *surface_status; 108 struct core_surface *core_surface = DC_SURFACE_TO_CORE(dc_surface); 109 struct core_dc *core_dc; 110 int i; 111 112 if (!dc_surface || 113 !core_surface->ctx || 114 !core_surface->ctx->dc) { 115 ASSERT(0); 116 return NULL; /* remove this if above assert never hit */ 117 } 118 119 surface_status = &core_surface->status; 120 core_dc = DC_TO_CORE(core_surface->ctx->dc); 121 122 if (core_dc->current_context == NULL) 123 return NULL; 124 125 for (i = 0; i < core_dc->res_pool->pipe_count; i++) { 126 struct pipe_ctx *pipe_ctx = 127 &core_dc->current_context->res_ctx.pipe_ctx[i]; 128 129 if (pipe_ctx->surface != core_surface) 130 continue; 131 132 core_dc->hwss.update_pending_status(pipe_ctx); 133 } 134 135 return surface_status; 136 } 137 138 void dc_surface_retain(const struct dc_surface *dc_surface) 139 { 140 struct core_surface *surface = DC_SURFACE_TO_CORE(dc_surface); 141 142 ASSERT(surface->ref_count > 0); 143 ++surface->ref_count; 144 } 145 146 void dc_surface_release(const struct dc_surface *dc_surface) 147 { 148 struct core_surface *surface = DC_SURFACE_TO_CORE(dc_surface); 149 150 ASSERT(surface->ref_count > 0); 151 --surface->ref_count; 152 153 if (surface->ref_count == 0) { 154 destruct(surface); 155 dm_free(surface); 156 } 157 } 158 159 void dc_gamma_retain(const struct dc_gamma *dc_gamma) 160 { 161 struct gamma *gamma = DC_GAMMA_TO_GAMMA(dc_gamma); 162 163 ASSERT(gamma->ref_count > 0); 164 ++gamma->ref_count; 165 } 166 167 void dc_gamma_release(const struct dc_gamma **dc_gamma) 168 { 169 struct gamma *gamma = DC_GAMMA_TO_GAMMA(*dc_gamma); 170 171 ASSERT(gamma->ref_count > 0); 172 --gamma->ref_count; 173 174 if (gamma->ref_count == 0) 175 dm_free(gamma); 176 177 *dc_gamma = NULL; 178 } 179 180 struct dc_gamma *dc_create_gamma() 181 { 182 struct gamma *gamma = dm_alloc(sizeof(*gamma)); 183 184 if (gamma == NULL) 185 goto alloc_fail; 186 187 ++gamma->ref_count; 188 189 return &gamma->protected.public; 190 191 alloc_fail: 192 return NULL; 193 } 194 195 void dc_transfer_func_retain(struct dc_transfer_func *tf) 196 { 197 ASSERT(tf->ref_count > 0); 198 ++tf->ref_count; 199 } 200 201 void dc_transfer_func_release(struct dc_transfer_func *tf) 202 { 203 ASSERT(tf->ref_count > 0); 204 --tf->ref_count; 205 206 if (tf->ref_count == 0) 207 dm_free(tf); 208 } 209 210 struct dc_transfer_func *dc_create_transfer_func() 211 { 212 struct dc_transfer_func *tf = dm_alloc(sizeof(*tf)); 213 214 if (tf == NULL) 215 goto alloc_fail; 216 217 ++tf->ref_count; 218 219 return tf; 220 221 alloc_fail: 222 return NULL; 223 } 224 225 226