diff options
Diffstat (limited to 'drivers/gpu/drm/amd/dal/topology/tm_subsets_cache.h')
| -rw-r--r-- | drivers/gpu/drm/amd/dal/topology/tm_subsets_cache.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/dal/topology/tm_subsets_cache.h b/drivers/gpu/drm/amd/dal/topology/tm_subsets_cache.h new file mode 100644 index 000000000000..fd9dec4658fa --- /dev/null +++ b/drivers/gpu/drm/amd/dal/topology/tm_subsets_cache.h @@ -0,0 +1,104 @@ +/* + * Copyright 2012-15 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Najeeb Ahmed + * + */ + +#ifndef __DAL_TM_SUBSETS_CACHE__ +#define __DAL_TM_SUBSETS_CACHE__ + +/* internal consts*/ +enum { + MAPPING_NOT_SET = 0xFFFF +}; + + +enum cache_query_result { + CQR_UNKNOWN = 0, + CQR_NOT_SUPPORTED, + CQR_SUPPORTED, + CQR_DP_MAPPING_NOT_VALID, +}; + +/* forward declarations */ +struct dal_context; + +struct tm_subsets_cache { + struct dal_context *dal_context; + uint32_t *cofunc_cache; + uint32_t *dp2_cache_mapping; + uint32_t *cache_2dp_mapping; + uint32_t cofunc_cache_single; + uint32_t cofunc_cache_single_valid; + uint32_t connected; + uint32_t num_connected; + uint32_t num_cur_cached_paths; + /* for robustness purposes to assure + * computed index isn't out of bounds + */ + uint32_t max_num_combinations; + enum cache_query_result all_connected_supported; + + /* these two are board specific, + * should not change during executable runtime + */ + uint32_t num_display_paths; + uint32_t max_num_cofunc_targets; + + /* performance enhancing helper*/ + uint32_t *binom_coeffs; + +}; + +struct tm_subsets_cache *dal_tm_subsets_cache_create( + struct dal_context *dal_context, + uint32_t num_of_display_paths, + uint32_t max_num_of_cofunc_paths, + uint32_t num_of_func_controllers); + +void dal_tm_subsets_cache_destroy( + struct tm_subsets_cache **tm_subsets_cache); + +uint32_t dal_get_num_of_combinations( + struct tm_subsets_cache *tm_subsets_cache); + +void dal_invalidate_subsets_cache( + struct tm_subsets_cache *tm_subset_cache, + bool singles_too); + +enum cache_query_result dal_is_subset_supported( + struct tm_subsets_cache *tm_subset_cache, + const uint32_t *displays, + uint32_t array_size); + +void dal_set_subset_supported( + struct tm_subsets_cache *tm_subset_cache, + const uint32_t *displays, + uint32_t array_size, + bool supported); + +void dal_update_display_mapping( + struct tm_subsets_cache *tm_subset_cache, + const uint32_t display_index, + bool connected); + +#endif /*__DAL_TM_SUBSETS_CACHE_H__*/ |