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Diffstat (limited to 'drivers/gpu/arm/utgard/common/mali_kernel_core.c')
-rw-r--r--drivers/gpu/arm/utgard/common/mali_kernel_core.c1314
1 files changed, 1314 insertions, 0 deletions
diff --git a/drivers/gpu/arm/utgard/common/mali_kernel_core.c b/drivers/gpu/arm/utgard/common/mali_kernel_core.c
new file mode 100644
index 000000000000..b9a6b7a0a277
--- /dev/null
+++ b/drivers/gpu/arm/utgard/common/mali_kernel_core.c
@@ -0,0 +1,1314 @@
+/*
+ * Copyright (C) 2010-2015 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_session.h"
+#include "mali_osk.h"
+#include "mali_osk_mali.h"
+#include "mali_ukk.h"
+#include "mali_kernel_core.h"
+#include "mali_memory.h"
+#include "mali_mem_validation.h"
+#include "mali_mmu.h"
+#include "mali_mmu_page_directory.h"
+#include "mali_dlbu.h"
+#include "mali_broadcast.h"
+#include "mali_gp.h"
+#include "mali_pp.h"
+#include "mali_executor.h"
+#include "mali_pp_job.h"
+#include "mali_group.h"
+#include "mali_pm.h"
+#include "mali_pmu.h"
+#include "mali_scheduler.h"
+#include "mali_kernel_utilization.h"
+#include "mali_l2_cache.h"
+#include "mali_timeline.h"
+#include "mali_soft_job.h"
+#include "mali_pm_domain.h"
+#if defined(CONFIG_MALI400_PROFILING)
+#include "mali_osk_profiling.h"
+#endif
+#if defined(CONFIG_MALI400_INTERNAL_PROFILING)
+#include "mali_profiling_internal.h"
+#endif
+#include "mali_control_timer.h"
+#include "mali_dvfs_policy.h"
+#include <linux/sched.h>
+
+#define MALI_SHARED_MEMORY_DEFAULT_SIZE 0xffffffff
+
+/* Mali GPU memory. Real values come from module parameter or from device specific data */
+unsigned int mali_dedicated_mem_start = 0;
+unsigned int mali_dedicated_mem_size = 0;
+
+/* Default shared memory size is set to 4G. */
+unsigned int mali_shared_mem_size = MALI_SHARED_MEMORY_DEFAULT_SIZE;
+
+/* Frame buffer memory to be accessible by Mali GPU */
+int mali_fb_start = 0;
+int mali_fb_size = 0;
+
+/* Mali max job runtime */
+extern int mali_max_job_runtime;
+
+/** Start profiling from module load? */
+int mali_boot_profiling = 0;
+
+/** Limits for the number of PP cores behind each L2 cache. */
+int mali_max_pp_cores_group_1 = 0xFF;
+int mali_max_pp_cores_group_2 = 0xFF;
+
+int mali_inited_pp_cores_group_1 = 0;
+int mali_inited_pp_cores_group_2 = 0;
+
+static _mali_product_id_t global_product_id = _MALI_PRODUCT_ID_UNKNOWN;
+static uintptr_t global_gpu_base_address = 0;
+static u32 global_gpu_major_version = 0;
+static u32 global_gpu_minor_version = 0;
+
+mali_bool mali_gpu_class_is_mali450 = MALI_FALSE;
+mali_bool mali_gpu_class_is_mali470 = MALI_FALSE;
+
+static _mali_osk_errcode_t mali_set_global_gpu_base_address(void)
+{
+ _mali_osk_errcode_t err = _MALI_OSK_ERR_OK;
+
+ global_gpu_base_address = _mali_osk_resource_base_address();
+ if (0 == global_gpu_base_address) {
+ err = _MALI_OSK_ERR_ITEM_NOT_FOUND;
+ }
+
+ return err;
+}
+
+static u32 mali_get_bcast_id(_mali_osk_resource_t *resource_pp)
+{
+ switch (resource_pp->base - global_gpu_base_address) {
+ case 0x08000:
+ case 0x20000: /* fall-through for aliased mapping */
+ return 0x01;
+ case 0x0A000:
+ case 0x22000: /* fall-through for aliased mapping */
+ return 0x02;
+ case 0x0C000:
+ case 0x24000: /* fall-through for aliased mapping */
+ return 0x04;
+ case 0x0E000:
+ case 0x26000: /* fall-through for aliased mapping */
+ return 0x08;
+ case 0x28000:
+ return 0x10;
+ case 0x2A000:
+ return 0x20;
+ case 0x2C000:
+ return 0x40;
+ case 0x2E000:
+ return 0x80;
+ default:
+ return 0;
+ }
+}
+
+static _mali_osk_errcode_t mali_parse_product_info(void)
+{
+ _mali_osk_resource_t first_pp_resource;
+
+ /* Find the first PP core resource (again) */
+ if (_MALI_OSK_ERR_OK == _mali_osk_resource_find(MALI_OFFSET_PP0, &first_pp_resource)) {
+ /* Create a dummy PP object for this core so that we can read the version register */
+ struct mali_group *group = mali_group_create(NULL, NULL, NULL, MALI_DOMAIN_INDEX_PP0);
+ if (NULL != group) {
+ struct mali_pp_core *pp_core = mali_pp_create(&first_pp_resource, group, MALI_FALSE, mali_get_bcast_id(&first_pp_resource));
+ if (NULL != pp_core) {
+ u32 pp_version;
+
+ pp_version = mali_pp_core_get_version(pp_core);
+
+ mali_group_delete(group);
+
+ global_gpu_major_version = (pp_version >> 8) & 0xFF;
+ global_gpu_minor_version = pp_version & 0xFF;
+
+ switch (pp_version >> 16) {
+ case MALI200_PP_PRODUCT_ID:
+ global_product_id = _MALI_PRODUCT_ID_MALI200;
+ MALI_DEBUG_PRINT(2, ("Found Mali GPU Mali-200 r%up%u\n", global_gpu_major_version, global_gpu_minor_version));
+ MALI_PRINT_ERROR(("Mali-200 is not supported by this driver.\n"));
+ _mali_osk_abort();
+ break;
+ case MALI300_PP_PRODUCT_ID:
+ global_product_id = _MALI_PRODUCT_ID_MALI300;
+ MALI_DEBUG_PRINT(2, ("Found Mali GPU Mali-300 r%up%u\n", global_gpu_major_version, global_gpu_minor_version));
+ break;
+ case MALI400_PP_PRODUCT_ID:
+ global_product_id = _MALI_PRODUCT_ID_MALI400;
+ MALI_DEBUG_PRINT(2, ("Found Mali GPU Mali-400 MP r%up%u\n", global_gpu_major_version, global_gpu_minor_version));
+ break;
+ case MALI450_PP_PRODUCT_ID:
+ global_product_id = _MALI_PRODUCT_ID_MALI450;
+ MALI_DEBUG_PRINT(2, ("Found Mali GPU Mali-450 MP r%up%u\n", global_gpu_major_version, global_gpu_minor_version));
+ break;
+ case MALI470_PP_PRODUCT_ID:
+ global_product_id = _MALI_PRODUCT_ID_MALI470;
+ MALI_DEBUG_PRINT(2, ("Found Mali GPU Mali-470 MP r%up%u\n", global_gpu_major_version, global_gpu_minor_version));
+ break;
+ default:
+ MALI_DEBUG_PRINT(2, ("Found unknown Mali GPU (r%up%u)\n", global_gpu_major_version, global_gpu_minor_version));
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ return _MALI_OSK_ERR_OK;
+ } else {
+ MALI_PRINT_ERROR(("Failed to create initial PP object\n"));
+ }
+ } else {
+ MALI_PRINT_ERROR(("Failed to create initial group object\n"));
+ }
+ } else {
+ MALI_PRINT_ERROR(("First PP core not specified in config file\n"));
+ }
+
+ return _MALI_OSK_ERR_FAULT;
+}
+
+static void mali_delete_groups(void)
+{
+ struct mali_group *group;
+
+ group = mali_group_get_glob_group(0);
+ while (NULL != group) {
+ mali_group_delete(group);
+ group = mali_group_get_glob_group(0);
+ }
+
+ MALI_DEBUG_ASSERT(0 == mali_group_get_glob_num_groups());
+}
+
+static void mali_delete_l2_cache_cores(void)
+{
+ struct mali_l2_cache_core *l2;
+
+ l2 = mali_l2_cache_core_get_glob_l2_core(0);
+ while (NULL != l2) {
+ mali_l2_cache_delete(l2);
+ l2 = mali_l2_cache_core_get_glob_l2_core(0);
+ }
+
+ MALI_DEBUG_ASSERT(0 == mali_l2_cache_core_get_glob_num_l2_cores());
+}
+
+static struct mali_l2_cache_core *mali_create_l2_cache_core(_mali_osk_resource_t *resource, u32 domain_index)
+{
+ struct mali_l2_cache_core *l2_cache = NULL;
+
+ if (NULL != resource) {
+
+ MALI_DEBUG_PRINT(3, ("Found L2 cache %s\n", resource->description));
+
+ l2_cache = mali_l2_cache_create(resource, domain_index);
+ if (NULL == l2_cache) {
+ MALI_PRINT_ERROR(("Failed to create L2 cache object\n"));
+ return NULL;
+ }
+ }
+ MALI_DEBUG_PRINT(3, ("Created L2 cache core object\n"));
+
+ return l2_cache;
+}
+
+static _mali_osk_errcode_t mali_parse_config_l2_cache(void)
+{
+ struct mali_l2_cache_core *l2_cache = NULL;
+
+ if (mali_is_mali400()) {
+ _mali_osk_resource_t l2_resource;
+ if (_MALI_OSK_ERR_OK != _mali_osk_resource_find(MALI400_OFFSET_L2_CACHE0, &l2_resource)) {
+ MALI_DEBUG_PRINT(3, ("Did not find required Mali L2 cache in config file\n"));
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ l2_cache = mali_create_l2_cache_core(&l2_resource, MALI_DOMAIN_INDEX_L20);
+ if (NULL == l2_cache) {
+ return _MALI_OSK_ERR_FAULT;
+ }
+ } else if (mali_is_mali450()) {
+ /*
+ * L2 for GP at 0x10000
+ * L2 for PP0-3 at 0x01000
+ * L2 for PP4-7 at 0x11000 (optional)
+ */
+
+ _mali_osk_resource_t l2_gp_resource;
+ _mali_osk_resource_t l2_pp_grp0_resource;
+ _mali_osk_resource_t l2_pp_grp1_resource;
+
+ /* Make cluster for GP's L2 */
+ if (_MALI_OSK_ERR_OK == _mali_osk_resource_find(MALI450_OFFSET_L2_CACHE0, &l2_gp_resource)) {
+ MALI_DEBUG_PRINT(3, ("Creating Mali-450 L2 cache core for GP\n"));
+ l2_cache = mali_create_l2_cache_core(&l2_gp_resource, MALI_DOMAIN_INDEX_L20);
+ if (NULL == l2_cache) {
+ return _MALI_OSK_ERR_FAULT;
+ }
+ } else {
+ MALI_DEBUG_PRINT(3, ("Did not find required Mali L2 cache for GP in config file\n"));
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ /* Find corresponding l2 domain */
+ if (_MALI_OSK_ERR_OK == _mali_osk_resource_find(MALI450_OFFSET_L2_CACHE1, &l2_pp_grp0_resource)) {
+ MALI_DEBUG_PRINT(3, ("Creating Mali-450 L2 cache core for PP group 0\n"));
+ l2_cache = mali_create_l2_cache_core(&l2_pp_grp0_resource, MALI_DOMAIN_INDEX_L21);
+ if (NULL == l2_cache) {
+ return _MALI_OSK_ERR_FAULT;
+ }
+ } else {
+ MALI_DEBUG_PRINT(3, ("Did not find required Mali L2 cache for PP group 0 in config file\n"));
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ /* Second PP core group is optional, don't fail if we don't find it */
+ if (_MALI_OSK_ERR_OK == _mali_osk_resource_find(MALI450_OFFSET_L2_CACHE2, &l2_pp_grp1_resource)) {
+ MALI_DEBUG_PRINT(3, ("Creating Mali-450 L2 cache core for PP group 1\n"));
+ l2_cache = mali_create_l2_cache_core(&l2_pp_grp1_resource, MALI_DOMAIN_INDEX_L22);
+ if (NULL == l2_cache) {
+ return _MALI_OSK_ERR_FAULT;
+ }
+ }
+ } else if (mali_is_mali470()) {
+ _mali_osk_resource_t l2c1_resource;
+
+ /* Make cluster for L2C1 */
+ if (_MALI_OSK_ERR_OK == _mali_osk_resource_find(MALI470_OFFSET_L2_CACHE1, &l2c1_resource)) {
+ MALI_DEBUG_PRINT(3, ("Creating Mali-470 L2 cache 1\n"));
+ l2_cache = mali_create_l2_cache_core(&l2c1_resource, MALI_DOMAIN_INDEX_L21);
+ if (NULL == l2_cache) {
+ return _MALI_OSK_ERR_FAULT;
+ }
+ } else {
+ MALI_DEBUG_PRINT(3, ("Did not find required Mali L2 cache for L2C1\n"));
+ return _MALI_OSK_ERR_FAULT;
+ }
+ }
+
+ return _MALI_OSK_ERR_OK;
+}
+
+static struct mali_group *mali_create_group(struct mali_l2_cache_core *cache,
+ _mali_osk_resource_t *resource_mmu,
+ _mali_osk_resource_t *resource_gp,
+ _mali_osk_resource_t *resource_pp,
+ u32 domain_index)
+{
+ struct mali_mmu_core *mmu;
+ struct mali_group *group;
+
+ MALI_DEBUG_PRINT(3, ("Starting new group for MMU %s\n", resource_mmu->description));
+
+ /* Create the group object */
+ group = mali_group_create(cache, NULL, NULL, domain_index);
+ if (NULL == group) {
+ MALI_PRINT_ERROR(("Failed to create group object for MMU %s\n", resource_mmu->description));
+ return NULL;
+ }
+
+ /* Create the MMU object inside group */
+ mmu = mali_mmu_create(resource_mmu, group, MALI_FALSE);
+ if (NULL == mmu) {
+ MALI_PRINT_ERROR(("Failed to create MMU object\n"));
+ mali_group_delete(group);
+ return NULL;
+ }
+
+ if (NULL != resource_gp) {
+ /* Create the GP core object inside this group */
+ struct mali_gp_core *gp_core = mali_gp_create(resource_gp, group);
+ if (NULL == gp_core) {
+ /* No need to clean up now, as we will clean up everything linked in from the cluster when we fail this function */
+ MALI_PRINT_ERROR(("Failed to create GP object\n"));
+ mali_group_delete(group);
+ return NULL;
+ }
+ }
+
+ if (NULL != resource_pp) {
+ struct mali_pp_core *pp_core;
+
+ /* Create the PP core object inside this group */
+ pp_core = mali_pp_create(resource_pp, group, MALI_FALSE, mali_get_bcast_id(resource_pp));
+ if (NULL == pp_core) {
+ /* No need to clean up now, as we will clean up everything linked in from the cluster when we fail this function */
+ MALI_PRINT_ERROR(("Failed to create PP object\n"));
+ mali_group_delete(group);
+ return NULL;
+ }
+ }
+
+ return group;
+}
+
+static _mali_osk_errcode_t mali_create_virtual_group(_mali_osk_resource_t *resource_mmu_pp_bcast,
+ _mali_osk_resource_t *resource_pp_bcast,
+ _mali_osk_resource_t *resource_dlbu,
+ _mali_osk_resource_t *resource_bcast)
+{
+ struct mali_mmu_core *mmu_pp_bcast_core;
+ struct mali_pp_core *pp_bcast_core;
+ struct mali_dlbu_core *dlbu_core;
+ struct mali_bcast_unit *bcast_core;
+ struct mali_group *group;
+
+ MALI_DEBUG_PRINT(2, ("Starting new virtual group for MMU PP broadcast core %s\n", resource_mmu_pp_bcast->description));
+
+ /* Create the DLBU core object */
+ dlbu_core = mali_dlbu_create(resource_dlbu);
+ if (NULL == dlbu_core) {
+ MALI_PRINT_ERROR(("Failed to create DLBU object \n"));
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ /* Create the Broadcast unit core */
+ bcast_core = mali_bcast_unit_create(resource_bcast);
+ if (NULL == bcast_core) {
+ MALI_PRINT_ERROR(("Failed to create Broadcast unit object!\n"));
+ mali_dlbu_delete(dlbu_core);
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ /* Create the group object */
+#if defined(DEBUG)
+ /* Get a physical PP group to temporarily add to broadcast unit. IRQ
+ * verification needs a physical group in the broadcast unit to test
+ * the broadcast unit interrupt line. */
+ {
+ struct mali_group *phys_group = NULL;
+ int i;
+ for (i = 0; i < mali_group_get_glob_num_groups(); i++) {
+ phys_group = mali_group_get_glob_group(i);
+ if (NULL != mali_group_get_pp_core(phys_group)) break;
+ }
+ MALI_DEBUG_ASSERT(NULL != mali_group_get_pp_core(phys_group));
+
+ /* Add the group temporarily to the broadcast, and update the
+ * broadcast HW. Since the HW is not updated when removing the
+ * group the IRQ check will work when the virtual PP is created
+ * later.
+ *
+ * When the virtual group gets populated, the actually used
+ * groups will be added to the broadcast unit and the HW will
+ * be updated.
+ */
+ mali_bcast_add_group(bcast_core, phys_group);
+ mali_bcast_reset(bcast_core);
+ mali_bcast_remove_group(bcast_core, phys_group);
+ }
+#endif /* DEBUG */
+ group = mali_group_create(NULL, dlbu_core, bcast_core, MALI_DOMAIN_INDEX_DUMMY);
+ if (NULL == group) {
+ MALI_PRINT_ERROR(("Failed to create group object for MMU PP broadcast core %s\n", resource_mmu_pp_bcast->description));
+ mali_bcast_unit_delete(bcast_core);
+ mali_dlbu_delete(dlbu_core);
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ /* Create the MMU object inside group */
+ mmu_pp_bcast_core = mali_mmu_create(resource_mmu_pp_bcast, group, MALI_TRUE);
+ if (NULL == mmu_pp_bcast_core) {
+ MALI_PRINT_ERROR(("Failed to create MMU PP broadcast object\n"));
+ mali_group_delete(group);
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ /* Create the PP core object inside this group */
+ pp_bcast_core = mali_pp_create(resource_pp_bcast, group, MALI_TRUE, 0);
+ if (NULL == pp_bcast_core) {
+ /* No need to clean up now, as we will clean up everything linked in from the cluster when we fail this function */
+ MALI_PRINT_ERROR(("Failed to create PP object\n"));
+ mali_group_delete(group);
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ return _MALI_OSK_ERR_OK;
+}
+
+static _mali_osk_errcode_t mali_parse_config_groups(void)
+{
+ struct mali_group *group;
+ int cluster_id_gp = 0;
+ int cluster_id_pp_grp0 = 0;
+ int cluster_id_pp_grp1 = 0;
+ int i;
+
+ _mali_osk_resource_t resource_gp;
+ _mali_osk_resource_t resource_gp_mmu;
+ _mali_osk_resource_t resource_pp[8];
+ _mali_osk_resource_t resource_pp_mmu[8];
+ _mali_osk_resource_t resource_pp_mmu_bcast;
+ _mali_osk_resource_t resource_pp_bcast;
+ _mali_osk_resource_t resource_dlbu;
+ _mali_osk_resource_t resource_bcast;
+ _mali_osk_errcode_t resource_gp_found;
+ _mali_osk_errcode_t resource_gp_mmu_found;
+ _mali_osk_errcode_t resource_pp_found[8];
+ _mali_osk_errcode_t resource_pp_mmu_found[8];
+ _mali_osk_errcode_t resource_pp_mmu_bcast_found;
+ _mali_osk_errcode_t resource_pp_bcast_found;
+ _mali_osk_errcode_t resource_dlbu_found;
+ _mali_osk_errcode_t resource_bcast_found;
+
+ if (!(mali_is_mali400() || mali_is_mali450() || mali_is_mali470())) {
+ /* No known HW core */
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ if (MALI_MAX_JOB_RUNTIME_DEFAULT == mali_max_job_runtime) {
+ /* Group settings are not overridden by module parameters, so use device settings */
+ _mali_osk_device_data data = { 0, };
+
+ if (_MALI_OSK_ERR_OK == _mali_osk_device_data_get(&data)) {
+ /* Use device specific settings (if defined) */
+ if (0 != data.max_job_runtime) {
+ mali_max_job_runtime = data.max_job_runtime;
+ }
+ }
+ }
+
+ if (mali_is_mali450()) {
+ /* Mali-450 have separate L2s for GP, and PP core group(s) */
+ cluster_id_pp_grp0 = 1;
+ cluster_id_pp_grp1 = 2;
+ }
+
+ resource_gp_found = _mali_osk_resource_find(MALI_OFFSET_GP, &resource_gp);
+ resource_gp_mmu_found = _mali_osk_resource_find(MALI_OFFSET_GP_MMU, &resource_gp_mmu);
+ resource_pp_found[0] = _mali_osk_resource_find(MALI_OFFSET_PP0, &(resource_pp[0]));
+ resource_pp_found[1] = _mali_osk_resource_find(MALI_OFFSET_PP1, &(resource_pp[1]));
+ resource_pp_found[2] = _mali_osk_resource_find(MALI_OFFSET_PP2, &(resource_pp[2]));
+ resource_pp_found[3] = _mali_osk_resource_find(MALI_OFFSET_PP3, &(resource_pp[3]));
+ resource_pp_found[4] = _mali_osk_resource_find(MALI_OFFSET_PP4, &(resource_pp[4]));
+ resource_pp_found[5] = _mali_osk_resource_find(MALI_OFFSET_PP5, &(resource_pp[5]));
+ resource_pp_found[6] = _mali_osk_resource_find(MALI_OFFSET_PP6, &(resource_pp[6]));
+ resource_pp_found[7] = _mali_osk_resource_find(MALI_OFFSET_PP7, &(resource_pp[7]));
+ resource_pp_mmu_found[0] = _mali_osk_resource_find(MALI_OFFSET_PP0_MMU, &(resource_pp_mmu[0]));
+ resource_pp_mmu_found[1] = _mali_osk_resource_find(MALI_OFFSET_PP1_MMU, &(resource_pp_mmu[1]));
+ resource_pp_mmu_found[2] = _mali_osk_resource_find(MALI_OFFSET_PP2_MMU, &(resource_pp_mmu[2]));
+ resource_pp_mmu_found[3] = _mali_osk_resource_find(MALI_OFFSET_PP3_MMU, &(resource_pp_mmu[3]));
+ resource_pp_mmu_found[4] = _mali_osk_resource_find(MALI_OFFSET_PP4_MMU, &(resource_pp_mmu[4]));
+ resource_pp_mmu_found[5] = _mali_osk_resource_find(MALI_OFFSET_PP5_MMU, &(resource_pp_mmu[5]));
+ resource_pp_mmu_found[6] = _mali_osk_resource_find(MALI_OFFSET_PP6_MMU, &(resource_pp_mmu[6]));
+ resource_pp_mmu_found[7] = _mali_osk_resource_find(MALI_OFFSET_PP7_MMU, &(resource_pp_mmu[7]));
+
+
+ if (mali_is_mali450() || mali_is_mali470()) {
+ resource_bcast_found = _mali_osk_resource_find(MALI_OFFSET_BCAST, &resource_bcast);
+ resource_dlbu_found = _mali_osk_resource_find(MALI_OFFSET_DLBU, &resource_dlbu);
+ resource_pp_mmu_bcast_found = _mali_osk_resource_find(MALI_OFFSET_PP_BCAST_MMU, &resource_pp_mmu_bcast);
+ resource_pp_bcast_found = _mali_osk_resource_find(MALI_OFFSET_PP_BCAST, &resource_pp_bcast);
+
+ if (_MALI_OSK_ERR_OK != resource_bcast_found ||
+ _MALI_OSK_ERR_OK != resource_dlbu_found ||
+ _MALI_OSK_ERR_OK != resource_pp_mmu_bcast_found ||
+ _MALI_OSK_ERR_OK != resource_pp_bcast_found) {
+ /* Missing mandatory core(s) for Mali-450 or Mali-470 */
+ MALI_DEBUG_PRINT(2, ("Missing mandatory resources, Mali-450 needs DLBU, Broadcast unit, virtual PP core and virtual MMU\n"));
+ return _MALI_OSK_ERR_FAULT;
+ }
+ }
+
+ if (_MALI_OSK_ERR_OK != resource_gp_found ||
+ _MALI_OSK_ERR_OK != resource_gp_mmu_found ||
+ _MALI_OSK_ERR_OK != resource_pp_found[0] ||
+ _MALI_OSK_ERR_OK != resource_pp_mmu_found[0]) {
+ /* Missing mandatory core(s) */
+ MALI_DEBUG_PRINT(2, ("Missing mandatory resource, need at least one GP and one PP, both with a separate MMU\n"));
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ MALI_DEBUG_ASSERT(1 <= mali_l2_cache_core_get_glob_num_l2_cores());
+ group = mali_create_group(mali_l2_cache_core_get_glob_l2_core(cluster_id_gp), &resource_gp_mmu, &resource_gp, NULL, MALI_DOMAIN_INDEX_GP);
+ if (NULL == group) {
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ /* Create group for first (and mandatory) PP core */
+ MALI_DEBUG_ASSERT(mali_l2_cache_core_get_glob_num_l2_cores() >= (cluster_id_pp_grp0 + 1)); /* >= 1 on Mali-300 and Mali-400, >= 2 on Mali-450 */
+ group = mali_create_group(mali_l2_cache_core_get_glob_l2_core(cluster_id_pp_grp0), &resource_pp_mmu[0], NULL, &resource_pp[0], MALI_DOMAIN_INDEX_PP0);
+ if (NULL == group) {
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ mali_inited_pp_cores_group_1++;
+
+ /* Create groups for rest of the cores in the first PP core group */
+ for (i = 1; i < 4; i++) { /* First half of the PP cores belong to first core group */
+ if (mali_inited_pp_cores_group_1 < mali_max_pp_cores_group_1) {
+ if (_MALI_OSK_ERR_OK == resource_pp_found[i] && _MALI_OSK_ERR_OK == resource_pp_mmu_found[i]) {
+ group = mali_create_group(mali_l2_cache_core_get_glob_l2_core(cluster_id_pp_grp0), &resource_pp_mmu[i], NULL, &resource_pp[i], MALI_DOMAIN_INDEX_PP0 + i);
+ if (NULL == group) {
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ mali_inited_pp_cores_group_1++;
+ }
+ }
+ }
+
+ /* Create groups for cores in the second PP core group */
+ for (i = 4; i < 8; i++) { /* Second half of the PP cores belong to second core group */
+ if (mali_inited_pp_cores_group_2 < mali_max_pp_cores_group_2) {
+ if (_MALI_OSK_ERR_OK == resource_pp_found[i] && _MALI_OSK_ERR_OK == resource_pp_mmu_found[i]) {
+ MALI_DEBUG_ASSERT(mali_l2_cache_core_get_glob_num_l2_cores() >= 2); /* Only Mali-450 have a second core group */
+ group = mali_create_group(mali_l2_cache_core_get_glob_l2_core(cluster_id_pp_grp1), &resource_pp_mmu[i], NULL, &resource_pp[i], MALI_DOMAIN_INDEX_PP0 + i);
+ if (NULL == group) {
+ return _MALI_OSK_ERR_FAULT;
+ }
+
+ mali_inited_pp_cores_group_2++;
+ }
+ }
+ }
+
+ if (mali_is_mali450() || mali_is_mali470()) {
+ _mali_osk_errcode_t err = mali_create_virtual_group(&resource_pp_mmu_bcast, &resource_pp_bcast, &resource_dlbu, &resource_bcast);
+ if (_MALI_OSK_ERR_OK != err) {
+ return err;
+ }
+ }
+
+ mali_max_pp_cores_group_1 = mali_inited_pp_cores_group_1;
+ mali_max_pp_cores_group_2 = mali_inited_pp_cores_group_2;
+ MALI_DEBUG_PRINT(2, ("%d+%d PP cores initialized\n", mali_inited_pp_cores_group_1, mali_inited_pp_cores_group_2));
+
+ return _MALI_OSK_ERR_OK;
+}
+
+static _mali_osk_errcode_t mali_check_shared_interrupts(void)
+{
+#if !defined(CONFIG_MALI_SHARED_INTERRUPTS)
+ if (MALI_TRUE == _mali_osk_shared_interrupts()) {
+ MALI_PRINT_ERROR(("Shared interrupts detected, but driver support is not enabled\n"));
+ return _MALI_OSK_ERR_FAULT;
+ }
+#endif /* !defined(CONFIG_MALI_SHARED_INTERRUPTS) */
+
+ /* It is OK to compile support for shared interrupts even if Mali is not using it. */
+ return _MALI_OSK_ERR_OK;
+}
+
+static _mali_osk_errcode_t mali_parse_config_pmu(void)
+{
+ _mali_osk_resource_t resource_pmu;
+
+ MALI_DEBUG_ASSERT(0 != global_gpu_base_address);
+
+ if (_MALI_OSK_ERR_OK == _mali_osk_resource_find(MALI_OFFSET_PMU, &resource_pmu)) {
+ struct mali_pmu_core *pmu;
+
+ pmu = mali_pmu_create(&resource_pmu);
+ if (NULL == pmu) {
+ MALI_PRINT_ERROR(("Failed to create PMU\n"));
+ return _MALI_OSK_ERR_FAULT;
+ }
+ }
+
+ /* It's ok if the PMU doesn't exist */
+ return _MALI_OSK_ERR_OK;
+}
+
+static _mali_osk_errcode_t mali_parse_config_memory(void)
+{
+ _mali_osk_device_data data = { 0, };
+ _mali_osk_errcode_t ret;
+
+ /* The priority of setting the value of mali_shared_mem_size,
+ * mali_dedicated_mem_start and mali_dedicated_mem_size:
+ * 1. module parameter;
+ * 2. platform data;
+ * 3. default value;
+ **/
+ if (_MALI_OSK_ERR_OK == _mali_osk_device_data_get(&data)) {
+ /* Memory settings are not overridden by module parameters, so use device settings */
+ if (0 == mali_dedicated_mem_start && 0 == mali_dedicated_mem_size) {
+ /* Use device specific settings (if defined) */
+ mali_dedicated_mem_start = data.dedicated_mem_start;
+ mali_dedicated_mem_size = data.dedicated_mem_size;
+ }
+
+ if (MALI_SHARED_MEMORY_DEFAULT_SIZE == mali_shared_mem_size &&
+ 0 != data.shared_mem_size) {
+ mali_shared_mem_size = data.shared_mem_size;
+ }
+ }
+
+ if (0 < mali_dedicated_mem_size && 0 != mali_dedicated_mem_start) {
+ MALI_DEBUG_PRINT(2, ("Mali memory settings (dedicated: 0x%08X@0x%08X)\n",
+ mali_dedicated_mem_size, mali_dedicated_mem_start));
+
+ /* Dedicated memory */
+ ret = mali_memory_core_resource_dedicated_memory(mali_dedicated_mem_start, mali_dedicated_mem_size);
+ if (_MALI_OSK_ERR_OK != ret) {
+ MALI_PRINT_ERROR(("Failed to register dedicated memory\n"));
+ mali_memory_terminate();
+ return ret;
+ }
+ }
+
+ if (0 < mali_shared_mem_size) {
+ MALI_DEBUG_PRINT(2, ("Mali memory settings (shared: 0x%08X)\n", mali_shared_mem_size));
+
+ /* Shared OS memory */
+ ret = mali_memory_core_resource_os_memory(mali_shared_mem_size);
+ if (_MALI_OSK_ERR_OK != ret) {
+ MALI_PRINT_ERROR(("Failed to register shared OS memory\n"));
+ mali_memory_terminate();
+ return ret;
+ }
+ }
+
+ if (0 == mali_fb_start && 0 == mali_fb_size) {
+ /* Frame buffer settings are not overridden by module parameters, so use device settings */
+ _mali_osk_device_data data = { 0, };
+
+ if (_MALI_OSK_ERR_OK == _mali_osk_device_data_get(&data)) {
+ /* Use device specific settings (if defined) */
+ mali_fb_start = data.fb_start;
+ mali_fb_size = data.fb_size;
+ }
+
+ MALI_DEBUG_PRINT(2, ("Using device defined frame buffer settings (0x%08X@0x%08X)\n",
+ mali_fb_size, mali_fb_start));
+ } else {
+ MALI_DEBUG_PRINT(2, ("Using module defined frame buffer settings (0x%08X@0x%08X)\n",
+ mali_fb_size, mali_fb_start));
+ }
+
+ if (0 != mali_fb_size) {
+ /* Register frame buffer */
+ ret = mali_mem_validation_add_range(mali_fb_start, mali_fb_size);
+ if (_MALI_OSK_ERR_OK != ret) {
+ MALI_PRINT_ERROR(("Failed to register frame buffer memory region\n"));
+ mali_memory_terminate();
+ return ret;
+ }
+ }
+
+ return _MALI_OSK_ERR_OK;
+}
+
+static void mali_detect_gpu_class(void)
+{
+ if (_mali_osk_identify_gpu_resource() == 0x450)
+ mali_gpu_class_is_mali450 = MALI_TRUE;
+
+ if (_mali_osk_identify_gpu_resource() == 0x470)
+ mali_gpu_class_is_mali470 = MALI_TRUE;
+}
+
+static _mali_osk_errcode_t mali_init_hw_reset(void)
+{
+#if (defined(CONFIG_MALI450) || defined(CONFIG_MALI470))
+ _mali_osk_resource_t resource_bcast;
+
+ /* Ensure broadcast unit is in a good state before we start creating
+ * groups and cores.
+ */
+ if (_MALI_OSK_ERR_OK == _mali_osk_resource_find(MALI_OFFSET_BCAST, &resource_bcast)) {
+ struct mali_bcast_unit *bcast_core;
+
+ bcast_core = mali_bcast_unit_create(&resource_bcast);
+ if (NULL == bcast_core) {
+ MALI_PRINT_ERROR(("Failed to create Broadcast unit object!\n"));
+ return _MALI_OSK_ERR_FAULT;
+ }
+ mali_bcast_unit_delete(bcast_core);
+ }
+#endif /* (defined(CONFIG_MALI450) || defined(CONFIG_MALI470)) */
+
+ return _MALI_OSK_ERR_OK;
+}
+
+_mali_osk_errcode_t mali_initialize_subsystems(void)
+{
+ _mali_osk_errcode_t err;
+
+#if defined(CONFIG_MALI_DT) && !defined(CONFIG_MALI_PLAT_SPECIFIC_DT)
+ err = _mali_osk_resource_initialize();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_terminate_subsystems();
+ return err;
+ }
+#endif
+
+ mali_pp_job_initialize();
+
+ mali_timeline_initialize();
+
+ err = mali_session_initialize();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_terminate_subsystems();
+ return err;
+ }
+
+#if defined(CONFIG_MALI400_PROFILING)
+ err = _mali_osk_profiling_init(mali_boot_profiling ? MALI_TRUE : MALI_FALSE);
+ if (_MALI_OSK_ERR_OK != err) {
+ /* No biggie if we weren't able to initialize the profiling */
+ MALI_PRINT_ERROR(("Failed to initialize profiling, feature will be unavailable\n"));
+ }
+#endif
+
+ err = mali_memory_initialize();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ err = mali_executor_initialize();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ err = mali_scheduler_initialize();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ /* Configure memory early, needed by mali_mmu_initialize. */
+ err = mali_parse_config_memory();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ err = mali_set_global_gpu_base_address();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ /* Detect GPU class (uses L2 cache count) */
+ mali_detect_gpu_class();
+
+ err = mali_check_shared_interrupts();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ /* Initialize the MALI PMU (will not touch HW!) */
+ err = mali_parse_config_pmu();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ /* Initialize the power management module */
+ err = mali_pm_initialize();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ /* Make sure the entire GPU stays on for the rest of this function */
+ mali_pm_init_begin();
+
+ /* Ensure HW is in a good state before starting to access cores. */
+ err = mali_init_hw_reset();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ /* Detect which Mali GPU we are dealing with */
+ err = mali_parse_product_info();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_pm_init_end();
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ /* The global_product_id is now populated with the correct Mali GPU */
+
+ /* Start configuring the actual Mali hardware. */
+
+ err = mali_mmu_initialize();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_pm_init_end();
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ if (mali_is_mali450() || mali_is_mali470()) {
+ err = mali_dlbu_initialize();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_pm_init_end();
+ mali_terminate_subsystems();
+ return err;
+ }
+ }
+
+ err = mali_parse_config_l2_cache();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_pm_init_end();
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ err = mali_parse_config_groups();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_pm_init_end();
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ /* Move groups into executor */
+ mali_executor_populate();
+
+ /* Need call after all group has assigned a domain */
+ mali_pm_power_cost_setup();
+
+ /* Initialize the GPU timer */
+ err = mali_control_timer_init();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_pm_init_end();
+ mali_terminate_subsystems();
+ return err;
+ }
+
+ /* Initialize the GPU utilization tracking */
+ err = mali_utilization_init();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_pm_init_end();
+ mali_terminate_subsystems();
+ return err;
+ }
+
+#if defined(CONFIG_MALI_DVFS)
+ err = mali_dvfs_policy_init();
+ if (_MALI_OSK_ERR_OK != err) {
+ mali_pm_init_end();
+ mali_terminate_subsystems();
+ return err;
+ }
+#endif
+
+ /* Allowing the system to be turned off */
+ mali_pm_init_end();
+
+ return _MALI_OSK_ERR_OK; /* all ok */
+}
+
+void mali_terminate_subsystems(void)
+{
+ struct mali_pmu_core *pmu = mali_pmu_get_global_pmu_core();
+
+ MALI_DEBUG_PRINT(2, ("terminate_subsystems() called\n"));
+
+ mali_utilization_term();
+ mali_control_timer_term();
+
+ mali_executor_depopulate();
+ mali_delete_groups(); /* Delete groups not added to executor */
+ mali_executor_terminate();
+
+ mali_scheduler_terminate();
+ mali_pp_job_terminate();
+ mali_delete_l2_cache_cores();
+ mali_mmu_terminate();
+
+ if (mali_is_mali450() || mali_is_mali470()) {
+ mali_dlbu_terminate();
+ }
+
+ mali_pm_terminate();
+
+ if (NULL != pmu) {
+ mali_pmu_delete(pmu);
+ }
+
+#if defined(CONFIG_MALI400_PROFILING)
+ _mali_osk_profiling_term();
+#endif
+
+ mali_memory_terminate();
+
+ mali_session_terminate();
+
+ mali_timeline_terminate();
+
+ global_gpu_base_address = 0;
+}
+
+_mali_product_id_t mali_kernel_core_get_product_id(void)
+{
+ return global_product_id;
+}
+
+u32 mali_kernel_core_get_gpu_major_version(void)
+{
+ return global_gpu_major_version;
+}
+
+u32 mali_kernel_core_get_gpu_minor_version(void)
+{
+ return global_gpu_minor_version;
+}
+
+_mali_osk_errcode_t _mali_ukk_get_api_version(_mali_uk_get_api_version_s *args)
+{
+ MALI_DEBUG_ASSERT_POINTER(args);
+ MALI_DEBUG_ASSERT(NULL != (void *)(uintptr_t)args->ctx);
+
+ /* check compatability */
+ if (args->version == _MALI_UK_API_VERSION) {
+ args->compatible = 1;
+ } else {
+ args->compatible = 0;
+ }
+
+ args->version = _MALI_UK_API_VERSION; /* report our version */
+
+ /* success regardless of being compatible or not */
+ MALI_SUCCESS;
+}
+
+_mali_osk_errcode_t _mali_ukk_get_api_version_v2(_mali_uk_get_api_version_v2_s *args)
+{
+ MALI_DEBUG_ASSERT_POINTER(args);
+ MALI_DEBUG_ASSERT(NULL != (void *)(uintptr_t)args->ctx);
+
+ /* check compatability */
+ if (args->version == _MALI_UK_API_VERSION) {
+ args->compatible = 1;
+ } else {
+ args->compatible = 0;
+ }
+
+ args->version = _MALI_UK_API_VERSION; /* report our version */
+
+ /* success regardless of being compatible or not */
+ return _MALI_OSK_ERR_OK;
+}
+
+_mali_osk_errcode_t _mali_ukk_wait_for_notification(_mali_uk_wait_for_notification_s *args)
+{
+ _mali_osk_errcode_t err;
+ _mali_osk_notification_t *notification;
+ _mali_osk_notification_queue_t *queue;
+ struct mali_session_data *session;
+
+ /* check input */
+ MALI_DEBUG_ASSERT_POINTER(args);
+ MALI_DEBUG_ASSERT(NULL != (void *)(uintptr_t)args->ctx);
+
+ session = (struct mali_session_data *)(uintptr_t)args->ctx;
+ queue = session->ioctl_queue;
+
+ /* if the queue does not exist we're currently shutting down */
+ if (NULL == queue) {
+ MALI_DEBUG_PRINT(1, ("No notification queue registered with the session. Asking userspace to stop querying\n"));
+ args->type = _MALI_NOTIFICATION_CORE_SHUTDOWN_IN_PROGRESS;
+ return _MALI_OSK_ERR_OK;
+ }
+
+ /* receive a notification, might sleep */
+ err = _mali_osk_notification_queue_receive(queue, &notification);
+ if (_MALI_OSK_ERR_OK != err) {
+ MALI_ERROR(err); /* errcode returned, pass on to caller */
+ }
+
+ /* copy the buffer to the user */
+ args->type = (_mali_uk_notification_type)notification->notification_type;
+ _mali_osk_memcpy(&args->data, notification->result_buffer, notification->result_buffer_size);
+
+ /* finished with the notification */
+ _mali_osk_notification_delete(notification);
+
+ return _MALI_OSK_ERR_OK; /* all ok */
+}
+
+_mali_osk_errcode_t _mali_ukk_post_notification(_mali_uk_post_notification_s *args)
+{
+ _mali_osk_notification_t *notification;
+ _mali_osk_notification_queue_t *queue;
+ struct mali_session_data *session;
+
+ /* check input */
+ MALI_DEBUG_ASSERT_POINTER(args);
+ MALI_DEBUG_ASSERT(NULL != (void *)(uintptr_t)args->ctx);
+
+ session = (struct mali_session_data *)(uintptr_t)args->ctx;
+ queue = session->ioctl_queue;
+
+ /* if the queue does not exist we're currently shutting down */
+ if (NULL == queue) {
+ MALI_DEBUG_PRINT(1, ("No notification queue registered with the session. Asking userspace to stop querying\n"));
+ return _MALI_OSK_ERR_OK;
+ }
+
+ notification = _mali_osk_notification_create(args->type, 0);
+ if (NULL == notification) {
+ MALI_PRINT_ERROR(("Failed to create notification object\n"));
+ return _MALI_OSK_ERR_NOMEM;
+ }
+
+ _mali_osk_notification_queue_send(queue, notification);
+
+ return _MALI_OSK_ERR_OK; /* all ok */
+}
+
+_mali_osk_errcode_t _mali_ukk_pending_submit(_mali_uk_pending_submit_s *args)
+{
+ wait_queue_head_t *queue;
+
+ /* check input */
+ MALI_DEBUG_ASSERT_POINTER(args);
+ MALI_DEBUG_ASSERT(NULL != (void *)(uintptr_t)args->ctx);
+
+ queue = mali_session_get_wait_queue();
+
+ /* check pending big job number, might sleep if larger than MAX allowed number */
+ if (wait_event_interruptible(*queue, MALI_MAX_PENDING_BIG_JOB > mali_scheduler_job_gp_big_job_count())) {
+ return _MALI_OSK_ERR_RESTARTSYSCALL;
+ }
+
+ return _MALI_OSK_ERR_OK; /* all ok */
+}
+
+
+_mali_osk_errcode_t _mali_ukk_request_high_priority(_mali_uk_request_high_priority_s *args)
+{
+ struct mali_session_data *session;
+
+ MALI_DEBUG_ASSERT_POINTER(args);
+ MALI_DEBUG_ASSERT(NULL != (void *)(uintptr_t)args->ctx);
+
+ session = (struct mali_session_data *)(uintptr_t)args->ctx;
+
+ if (!session->use_high_priority_job_queue) {
+ session->use_high_priority_job_queue = MALI_TRUE;
+ MALI_DEBUG_PRINT(2, ("Session 0x%08X with pid %d was granted higher priority.\n", session, _mali_osk_get_pid()));
+ }
+
+ return _MALI_OSK_ERR_OK;
+}
+
+_mali_osk_errcode_t _mali_ukk_open(void **context)
+{
+ u32 i;
+ struct mali_session_data *session;
+
+ /* allocated struct to track this session */
+ session = (struct mali_session_data *)_mali_osk_calloc(1, sizeof(struct mali_session_data));
+ MALI_CHECK_NON_NULL(session, _MALI_OSK_ERR_NOMEM);
+
+ MALI_DEBUG_PRINT(3, ("Session starting\n"));
+
+ /* create a response queue for this session */
+ session->ioctl_queue = _mali_osk_notification_queue_init();
+ if (NULL == session->ioctl_queue) {
+ goto err;
+ }
+
+ session->page_directory = mali_mmu_pagedir_alloc();
+ if (NULL == session->page_directory) {
+ goto err_mmu;
+ }
+
+ if (_MALI_OSK_ERR_OK != mali_mmu_pagedir_map(session->page_directory, MALI_DLBU_VIRT_ADDR, _MALI_OSK_MALI_PAGE_SIZE)) {
+ MALI_PRINT_ERROR(("Failed to map DLBU page into session\n"));
+ goto err_mmu;
+ }
+
+ if (0 != mali_dlbu_phys_addr) {
+ mali_mmu_pagedir_update(session->page_directory, MALI_DLBU_VIRT_ADDR, mali_dlbu_phys_addr,
+ _MALI_OSK_MALI_PAGE_SIZE, MALI_MMU_FLAGS_DEFAULT);
+ }
+
+ if (_MALI_OSK_ERR_OK != mali_memory_session_begin(session)) {
+ goto err_session;
+ }
+
+ /* Create soft system. */
+ session->soft_job_system = mali_soft_job_system_create(session);
+ if (NULL == session->soft_job_system) {
+ goto err_soft;
+ }
+
+ /* Create timeline system. */
+ session->timeline_system = mali_timeline_system_create(session);
+ if (NULL == session->timeline_system) {
+ goto err_time_line;
+ }
+
+#if defined(CONFIG_MALI_DVFS)
+ _mali_osk_atomic_init(&session->number_of_window_jobs, 0);
+#endif
+
+ session->use_high_priority_job_queue = MALI_FALSE;
+
+ /* Initialize list of PP jobs on this session. */
+ _MALI_OSK_INIT_LIST_HEAD(&session->pp_job_list);
+
+ /* Initialize the pp_job_fb_lookup_list array used to quickly lookup jobs from a given frame builder */
+ for (i = 0; i < MALI_PP_JOB_FB_LOOKUP_LIST_SIZE; ++i) {
+ _MALI_OSK_INIT_LIST_HEAD(&session->pp_job_fb_lookup_list[i]);
+ }
+
+ session->pid = _mali_osk_get_pid();
+ session->comm = _mali_osk_get_comm();
+ session->max_mali_mem_allocated_size = 0;
+ for (i = 0; i < MALI_MEM_TYPE_MAX; i ++) {
+ atomic_set(&session->mali_mem_array[i], 0);
+ }
+ atomic_set(&session->mali_mem_allocated_pages, 0);
+ *context = (void *)session;
+
+ /* Add session to the list of all sessions. */
+ mali_session_add(session);
+
+ MALI_DEBUG_PRINT(3, ("Session started\n"));
+ return _MALI_OSK_ERR_OK;
+
+err_time_line:
+ mali_soft_job_system_destroy(session->soft_job_system);
+err_soft:
+ mali_memory_session_end(session);
+err_session:
+ mali_mmu_pagedir_free(session->page_directory);
+err_mmu:
+ _mali_osk_notification_queue_term(session->ioctl_queue);
+err:
+ _mali_osk_free(session);
+ MALI_ERROR(_MALI_OSK_ERR_NOMEM);
+
+}
+
+#if defined(DEBUG)
+/* parameter used for debug */
+extern u32 num_pm_runtime_resume;
+extern u32 num_pm_updates;
+extern u32 num_pm_updates_up;
+extern u32 num_pm_updates_down;
+#endif
+
+_mali_osk_errcode_t _mali_ukk_close(void **context)
+{
+ struct mali_session_data *session;
+ MALI_CHECK_NON_NULL(context, _MALI_OSK_ERR_INVALID_ARGS);
+ session = (struct mali_session_data *)*context;
+
+ MALI_DEBUG_PRINT(3, ("Session ending\n"));
+
+ MALI_DEBUG_ASSERT_POINTER(session->soft_job_system);
+ MALI_DEBUG_ASSERT_POINTER(session->timeline_system);
+
+ /* Remove session from list of all sessions. */
+ mali_session_remove(session);
+
+ /* This flag is used to prevent queueing of jobs due to activation. */
+ session->is_aborting = MALI_TRUE;
+
+ /* Stop the soft job timer. */
+ mali_timeline_system_stop_timer(session->timeline_system);
+
+ /* Abort queued jobs */
+ mali_scheduler_abort_session(session);
+
+ /* Abort executing jobs */
+ mali_executor_abort_session(session);
+
+ /* Abort the soft job system. */
+ mali_soft_job_system_abort(session->soft_job_system);
+
+ /* Force execution of all pending bottom half processing for GP and PP. */
+ _mali_osk_wq_flush();
+
+ /* The session PP list should now be empty. */
+ MALI_DEBUG_ASSERT(_mali_osk_list_empty(&session->pp_job_list));
+
+ /* At this point the GP and PP scheduler no longer has any jobs queued or running from this
+ * session, and all soft jobs in the soft job system has been destroyed. */
+
+ /* Any trackers left in the timeline system are directly or indirectly waiting on external
+ * sync fences. Cancel all sync fence waiters to trigger activation of all remaining
+ * trackers. This call will sleep until all timelines are empty. */
+ mali_timeline_system_abort(session->timeline_system);
+
+ /* Flush pending work.
+ * Needed to make sure all bottom half processing related to this
+ * session has been completed, before we free internal data structures.
+ */
+ _mali_osk_wq_flush();
+
+ /* Destroy timeline system. */
+ mali_timeline_system_destroy(session->timeline_system);
+ session->timeline_system = NULL;
+
+ /* Destroy soft system. */
+ mali_soft_job_system_destroy(session->soft_job_system);
+ session->soft_job_system = NULL;
+
+ MALI_DEBUG_CODE({
+ /* Check that the pp_job_fb_lookup_list array is empty. */
+ u32 i;
+ for (i = 0; i < MALI_PP_JOB_FB_LOOKUP_LIST_SIZE; ++i)
+ {
+ MALI_DEBUG_ASSERT(_mali_osk_list_empty(&session->pp_job_fb_lookup_list[i]));
+ }
+ });
+
+ /* Free remaining memory allocated to this session */
+ mali_memory_session_end(session);
+
+#if defined(CONFIG_MALI_DVFS)
+ _mali_osk_atomic_term(&session->number_of_window_jobs);
+#endif
+
+#if defined(CONFIG_MALI400_PROFILING)
+ _mali_osk_profiling_stop_sampling(session->pid);
+#endif
+
+ /* Free session data structures */
+ mali_mmu_pagedir_unmap(session->page_directory, MALI_DLBU_VIRT_ADDR, _MALI_OSK_MALI_PAGE_SIZE);
+ mali_mmu_pagedir_free(session->page_directory);
+ _mali_osk_notification_queue_term(session->ioctl_queue);
+ _mali_osk_free(session);
+
+ *context = NULL;
+
+ MALI_DEBUG_PRINT(3, ("Session has ended\n"));
+
+#if defined(DEBUG)
+ MALI_DEBUG_PRINT(3, ("Stats: # runtime resumes: %u\n", num_pm_runtime_resume));
+ MALI_DEBUG_PRINT(3, (" # PM updates: .... %u (up %u, down %u)\n", num_pm_updates, num_pm_updates_up, num_pm_updates_down));
+
+ num_pm_runtime_resume = 0;
+ num_pm_updates = 0;
+ num_pm_updates_up = 0;
+ num_pm_updates_down = 0;
+#endif
+
+ return _MALI_OSK_ERR_OK;;
+}
+
+#if MALI_STATE_TRACKING
+u32 _mali_kernel_core_dump_state(char *buf, u32 size)
+{
+ int n = 0; /* Number of bytes written to buf */
+
+ n += mali_scheduler_dump_state(buf + n, size - n);
+ n += mali_executor_dump_state(buf + n, size - n);
+
+ return n;
+}
+#endif