diff options
| author | Samuel Percival <samuel.percival@arm.com> | 2023-12-18 08:37:58 +0000 |
|---|---|---|
| committer | Renato Grottesi <otaner@google.com> | 2023-12-19 13:06:22 +0000 |
| commit | 3b9d05436064ad14aa01f73d42e1c7408ab8b6b4 (patch) | |
| tree | bfe16a4a95eda0a6d84795e578c527f48661adde | |
| parent | 816d412ab903b9fb6eb0608e405e984c42c988b9 (diff) | |
| download | gpu-3b9d05436064ad14aa01f73d42e1c7408ab8b6b4.tar.gz | |
Fix invalid page table entries from occuring.
GPUCORE-40571 Fix invalid page table entries from occuring.
This patch prevents the invalid page table entries from occuring.
Bug: 316204010
Change-Id: I6aa1fdb9f0a40dab5d8a7d1dcd85f7485c960a22
Signed-off-by: Renato Grottesi <otaner@google.com>
Test: platform can boot.
Provenance: https://code.ipdelivery.arm.com/c/GPU/mali-ddk/+/6262
| -rw-r--r-- | mali_kbase/mali_kbase_mem.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/mali_kbase/mali_kbase_mem.c b/mali_kbase/mali_kbase_mem.c index 9de0893..5547bef 100644 --- a/mali_kbase/mali_kbase_mem.c +++ b/mali_kbase/mali_kbase_mem.c @@ -4066,9 +4066,6 @@ static int kbase_jit_grow(struct kbase_context *kctx, if (reg->gpu_alloc->nents >= info->commit_pages) goto done; - /* Grow the backing */ - old_size = reg->gpu_alloc->nents; - /* Allocate some more pages */ delta = info->commit_pages - reg->gpu_alloc->nents; pages_required = delta; @@ -4111,6 +4108,17 @@ static int kbase_jit_grow(struct kbase_context *kctx, kbase_mem_pool_lock(pool); } + if (reg->gpu_alloc->nents >= info->commit_pages) { + kbase_mem_pool_unlock(pool); + spin_unlock(&kctx->mem_partials_lock); + dev_info( + kctx->kbdev->dev, + "JIT alloc grown beyond the required number of initially required pages, this grow no longer needed."); + goto done; + } + + old_size = reg->gpu_alloc->nents; + delta = info->commit_pages - old_size; gpu_pages = kbase_alloc_phy_pages_helper_locked(reg->gpu_alloc, pool, delta, &prealloc_sas[0]); if (!gpu_pages) { |