diff options
Diffstat (limited to 'drivers/media/video/samsung/mali/common/mali_cluster.c')
| -rw-r--r-- | drivers/media/video/samsung/mali/common/mali_cluster.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/drivers/media/video/samsung/mali/common/mali_cluster.c b/drivers/media/video/samsung/mali/common/mali_cluster.c deleted file mode 100644 index f0fb2b6..0000000 --- a/drivers/media/video/samsung/mali/common/mali_cluster.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * Copyright (C) 2011-2012 ARM Limited. All rights reserved. - * - * This program is free software and is provided to you under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence. - * - * A copy of the licence is included with the program, and can also be obtained from Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -#include "mali_kernel_common.h" -#include "mali_cluster.h" -#include "mali_osk.h" -#include "mali_group.h" -#include "mali_l2_cache.h" -#include "mali_scheduler.h" - -static struct mali_cluster *mali_global_clusters[MALI_MAX_NUMBER_OF_CLUSTERS] = { NULL, NULL, NULL }; -static u32 mali_global_num_clusters = 0; - -/** - * The structure represents a render cluster - * A render cluster is defined by all the cores that share the same Mali L2 cache - */ -struct mali_cluster -{ - struct mali_l2_cache_core *l2; - u32 number_of_groups; - struct mali_group* groups[MALI_MAX_NUMBER_OF_GROUPS_PER_CLUSTER]; - u32 last_invalidated_id; - mali_bool power_is_enabled; -}; - -struct mali_cluster *mali_cluster_create(struct mali_l2_cache_core *l2_cache) -{ - struct mali_cluster *cluster = NULL; - - if (mali_global_num_clusters >= MALI_MAX_NUMBER_OF_CLUSTERS) - { - MALI_PRINT_ERROR(("Mali cluster: Too many cluster objects created\n")); - return NULL; - } - - cluster = _mali_osk_malloc(sizeof(struct mali_cluster)); - if (NULL != cluster) - { - _mali_osk_memset(cluster, 0, sizeof(struct mali_cluster)); - cluster->l2 = l2_cache; /* This cluster now owns this L2 cache object */ - cluster->last_invalidated_id = 0; - cluster->power_is_enabled = MALI_TRUE; - - mali_global_clusters[mali_global_num_clusters] = cluster; - mali_global_num_clusters++; - - return cluster; - } - - return NULL; -} - -void mali_cluster_power_is_enabled_set(struct mali_cluster * cluster, mali_bool power_is_enabled) -{ - cluster->power_is_enabled = power_is_enabled; -} - -mali_bool mali_cluster_power_is_enabled_get(struct mali_cluster * cluster) -{ - return cluster->power_is_enabled; -} - - -void mali_cluster_add_group(struct mali_cluster *cluster, struct mali_group *group) -{ - MALI_DEBUG_ASSERT_POINTER(cluster); - - if (cluster->number_of_groups < MALI_MAX_NUMBER_OF_GROUPS_PER_CLUSTER) - { - /* This cluster now owns the group object */ - cluster->groups[cluster->number_of_groups] = group; - cluster->number_of_groups++; - } -} - -void mali_cluster_delete(struct mali_cluster *cluster) -{ - u32 i; - - MALI_DEBUG_ASSERT_POINTER(cluster); - - /* Free all the resources we own */ - for (i = 0; i < cluster->number_of_groups; i++) - { - mali_group_delete(cluster->groups[i]); - } - - if (NULL != cluster->l2) - { - mali_l2_cache_delete(cluster->l2); - } - - for (i = 0; i < mali_global_num_clusters; i++) - { - if (mali_global_clusters[i] == cluster) - { - mali_global_clusters[i] = NULL; - mali_global_num_clusters--; - break; - } - } - - _mali_osk_free(cluster); -} - -void mali_cluster_reset(struct mali_cluster *cluster) -{ - u32 i; - - MALI_DEBUG_ASSERT_POINTER(cluster); - - /* Free all the resources we own */ - for (i = 0; i < cluster->number_of_groups; i++) - { - struct mali_group *group = cluster->groups[i]; - - mali_group_reset(group); - } - - if (NULL != cluster->l2) - { - mali_l2_cache_reset(cluster->l2); - } -} - -struct mali_l2_cache_core* mali_cluster_get_l2_cache_core(struct mali_cluster *cluster) -{ - MALI_DEBUG_ASSERT_POINTER(cluster); - return cluster->l2; -} - -struct mali_group *mali_cluster_get_group(struct mali_cluster *cluster, u32 index) -{ - MALI_DEBUG_ASSERT_POINTER(cluster); - - if (index < cluster->number_of_groups) - { - return cluster->groups[index]; - } - - return NULL; -} - -struct mali_cluster *mali_cluster_get_global_cluster(u32 index) -{ - if (MALI_MAX_NUMBER_OF_CLUSTERS > index) - { - return mali_global_clusters[index]; - } - - return NULL; -} - -u32 mali_cluster_get_glob_num_clusters(void) -{ - return mali_global_num_clusters; -} - -mali_bool mali_cluster_l2_cache_invalidate_all(struct mali_cluster *cluster, u32 id) -{ - MALI_DEBUG_ASSERT_POINTER(cluster); - - if (NULL != cluster->l2) - { - /* If the last cache invalidation was done by a job with a higher id we - * don't have to flush. Since user space will store jobs w/ their - * corresponding memory in sequence (first job #0, then job #1, ...), - * we don't have to flush for job n-1 if job n has already invalidated - * the cache since we know for sure that job n-1's memory was already - * written when job n was started. */ - if (((s32)id) <= ((s32)cluster->last_invalidated_id)) - { - return MALI_FALSE; - } - else - { - cluster->last_invalidated_id = mali_scheduler_get_new_id(); - } - - mali_l2_cache_invalidate_all(cluster->l2); - } - return MALI_TRUE; -} - -void mali_cluster_l2_cache_invalidate_all_force(struct mali_cluster *cluster) -{ - MALI_DEBUG_ASSERT_POINTER(cluster); - - if (NULL != cluster->l2) - { - cluster->last_invalidated_id = mali_scheduler_get_new_id(); - mali_l2_cache_invalidate_all(cluster->l2); - } -} - -void mali_cluster_invalidate_pages(u32 *pages, u32 num_pages) -{ - u32 i; - - for (i = 0; i < mali_global_num_clusters; i++) - { - /*additional check for cluster*/ - if (MALI_TRUE == mali_l2_cache_lock_power_state(mali_global_clusters[i]->l2)) - { - mali_l2_cache_invalidate_pages(mali_global_clusters[i]->l2, pages, num_pages); - } - mali_l2_cache_unlock_power_state(mali_global_clusters[i]->l2); - /*check for failed power locking???*/ - } -} |