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authorJonathan Kim <jonathan.kim@amd.com>2025-11-06 10:17:06 -0500
committerAlex Deucher <alexander.deucher@amd.com>2025-11-11 21:54:17 -0500
commit15bd4958fe38e763bc17b607ba55155254a01f55 (patch)
treed0623ec621fc80a50111564199f45c69520349d6
parent2da2e952a785a49c5b3cc624bf00ab6c2d7607a5 (diff)
drm/amdkfd: relax checks for over allocation of save area
Over allocation of save area is not fatal, only under allocation is. ROCm has various components that independently claim authority over save area size. Unless KFD decides to claim single authority, relax size checks. Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> Reviewed-by: Philip Yang <philip.yang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_queue.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_queue.c
index a65c67cf56ff..f1e7583650c4 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_queue.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_queue.c
@@ -297,16 +297,16 @@ int kfd_queue_acquire_buffers(struct kfd_process_device *pdd, struct queue_prope
goto out_err_unreserve;
}
- if (properties->ctx_save_restore_area_size != topo_dev->node_props.cwsr_size) {
- pr_debug("queue cwsr size 0x%x not equal to node cwsr size 0x%x\n",
+ if (properties->ctx_save_restore_area_size < topo_dev->node_props.cwsr_size) {
+ pr_debug("queue cwsr size 0x%x not sufficient for node cwsr size 0x%x\n",
properties->ctx_save_restore_area_size,
topo_dev->node_props.cwsr_size);
err = -EINVAL;
goto out_err_unreserve;
}
- total_cwsr_size = (topo_dev->node_props.cwsr_size + topo_dev->node_props.debug_memory_size)
- * NUM_XCC(pdd->dev->xcc_mask);
+ total_cwsr_size = (properties->ctx_save_restore_area_size +
+ topo_dev->node_props.debug_memory_size) * NUM_XCC(pdd->dev->xcc_mask);
total_cwsr_size = ALIGN(total_cwsr_size, PAGE_SIZE);
err = kfd_queue_buffer_get(vm, (void *)properties->ctx_save_restore_area_address,
@@ -352,8 +352,8 @@ int kfd_queue_release_buffers(struct kfd_process_device *pdd, struct queue_prope
topo_dev = kfd_topology_device_by_id(pdd->dev->id);
if (!topo_dev)
return -EINVAL;
- total_cwsr_size = (topo_dev->node_props.cwsr_size + topo_dev->node_props.debug_memory_size)
- * NUM_XCC(pdd->dev->xcc_mask);
+ total_cwsr_size = (properties->ctx_save_restore_area_size +
+ topo_dev->node_props.debug_memory_size) * NUM_XCC(pdd->dev->xcc_mask);
total_cwsr_size = ALIGN(total_cwsr_size, PAGE_SIZE);
kfd_queue_buffer_svm_put(pdd, properties->ctx_save_restore_area_address, total_cwsr_size);