diff options
Diffstat (limited to 'mali_kbase/csf/mali_kbase_csf_tiler_heap_reclaim.c')
| -rw-r--r-- | mali_kbase/csf/mali_kbase_csf_tiler_heap_reclaim.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/mali_kbase/csf/mali_kbase_csf_tiler_heap_reclaim.c b/mali_kbase/csf/mali_kbase_csf_tiler_heap_reclaim.c index c12ed65..39db1a0 100644 --- a/mali_kbase/csf/mali_kbase_csf_tiler_heap_reclaim.c +++ b/mali_kbase/csf/mali_kbase_csf_tiler_heap_reclaim.c @@ -20,6 +20,7 @@ */ #include <mali_kbase.h> +#include "backend/gpu/mali_kbase_pm_internal.h" #include "mali_kbase_csf.h" #include "mali_kbase_csf_tiler_heap.h" #include "mali_kbase_csf_tiler_heap_reclaim.h" @@ -193,7 +194,29 @@ static unsigned long reclaim_unused_heap_pages(struct kbase_device *kbdev) unsigned long total_freed_pages = 0; int prio; - lockdep_assert_held(&kbdev->csf.scheduler.lock); + lockdep_assert_held(&scheduler->lock); + + if (scheduler->state != SCHED_SUSPENDED) { + /* Clean and invalidate the L2 cache before reading from the heap contexts, + * headers of the individual chunks and buffer descriptors. + */ + kbase_gpu_start_cache_clean(kbdev, GPU_COMMAND_CACHE_CLN_INV_L2); + if (kbase_gpu_wait_cache_clean_timeout(kbdev, + kbdev->mmu_or_gpu_cache_op_wait_time_ms)) + dev_warn( + kbdev->dev, + "[%llu] Timeout waiting for CACHE_CLN_INV_L2 to complete before Tiler heap reclaim", + kbase_backend_get_cycle_cnt(kbdev)); + + } else { + /* Make sure power down transitions have completed, i.e. L2 has been + * powered off as that would ensure its contents are flushed to memory. + * This is needed as Scheduler doesn't wait for the power down to finish. + */ + if (kbase_pm_wait_for_desired_state(kbdev)) + dev_warn(kbdev->dev, + "Wait for power down transition failed before Tiler heap reclaim"); + } for (prio = KBASE_QUEUE_GROUP_PRIORITY_LOW; total_freed_pages < HEAP_RECLAIM_SCAN_BATCH_SIZE && |