[PATCH] drm/amdgpu: add a list in VM for BOs in the done state

[Mihir Patel]

From: Mihir Bhogilal Patel <mihir.pa...@amd.com>

Add a new list in VM for done state i.e. BOs which are
invalidated and updated in PTEs.

Signed-off-by: Mihir Bhogilal Patel <mihir.pa...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 19 ++++++++++++++++---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h |  3 +++
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 122814c3ff5f..c08b76f4042a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -300,7 +300,7 @@ static void amdgpu_vm_bo_relocated(struct amdgpu_vm_bo_base 
*vm_bo)
 static void amdgpu_vm_bo_done(struct amdgpu_vm_bo_base *vm_bo)
 {
        spin_lock(&vm_bo->vm->invalidated_lock);
-       list_del_init(&vm_bo->vm_status);
+       list_move(&vm_bo->vm_status, &vm_bo->vm->done);
        spin_unlock(&vm_bo->vm->invalidated_lock);
 }
 
@@ -2823,7 +2823,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct 
amdgpu_vm *vm,
        INIT_LIST_HEAD(&vm->invalidated);
        spin_lock_init(&vm->invalidated_lock);
        INIT_LIST_HEAD(&vm->freed);
-
+       INIT_LIST_HEAD(&vm->done);
 
        /* create scheduler entities for page table updates */
        r = drm_sched_entity_init(&vm->immediate, DRM_SCHED_PRIORITY_NORMAL,
@@ -3410,11 +3410,13 @@ void amdgpu_debugfs_vm_bo_info(struct amdgpu_vm *vm, 
struct seq_file *m)
        u64 total_relocated = 0;
        u64 total_moved = 0;
        u64 total_invalidated = 0;
+       u64 total_done = 0;
        unsigned int total_idle_objs = 0;
        unsigned int total_evicted_objs = 0;
        unsigned int total_relocated_objs = 0;
        unsigned int total_moved_objs = 0;
        unsigned int total_invalidated_objs = 0;
+       unsigned int total_done_objs = 0;
        unsigned int id = 0;
 
        seq_puts(m, "\tIdle BOs:\n");
@@ -3460,8 +3462,17 @@ void amdgpu_debugfs_vm_bo_info(struct amdgpu_vm *vm, 
struct seq_file *m)
                        continue;
                total_invalidated += amdgpu_bo_print_info(id++, bo_va->base.bo, 
m);
        }
-       spin_unlock(&vm->invalidated_lock);
        total_invalidated_objs = id;
+       id = 0;
+
+       seq_puts(m, "\tDone BOs:\n");
+       list_for_each_entry_safe(bo_va, tmp, &vm->done, base.vm_status) {
+               if (!bo_va->base.bo)
+                       continue;
+               total_done += amdgpu_bo_print_info(id++, bo_va->base.bo, m);
+       }
+       spin_unlock(&vm->invalidated_lock);
+       total_done_objs = id;
 
        seq_printf(m, "\tTotal idle size:        %12lld\tobjs:\t%d\n", 
total_idle,
                   total_idle_objs);
@@ -3473,5 +3484,7 @@ void amdgpu_debugfs_vm_bo_info(struct amdgpu_vm *vm, 
struct seq_file *m)
                   total_moved_objs);
        seq_printf(m, "\tTotal invalidated size: %12lld\tobjs:\t%d\n", 
total_invalidated,
                   total_invalidated_objs);
+       seq_printf(m, "\tTotal done size:        %12lld\tobjs:\t%d\n", 
total_done,
+                  total_done_objs);
 }
 #endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 74cc14179c41..ffea3b89b9da 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -274,6 +274,9 @@ struct amdgpu_vm {
        /* BO mappings freed, but not yet updated in the PT */
        struct list_head        freed;
 
+       /* BOs which are invalidated, has been updated in the PTs */
+       struct list_head        done;
+
        /* contains the page directory */
        struct amdgpu_vm_pt     root;
        struct dma_fence        *last_update;
-- 
2.17.1

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