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-rw-r--r--src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c84
1 files changed, 58 insertions, 26 deletions
diff --git a/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c b/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
index b0d07d2541e..5e89b4d2982 100644
--- a/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
+++ b/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_bo.c
@@ -65,6 +65,42 @@ radv_amdgpu_bo_va_op(struct radv_amdgpu_winsys *ws, amdgpu_bo_handle bo, uint64_
return amdgpu_bo_va_op_raw(ws->dev, bo, offset, size, addr, flags, ops);
}
+static void
+radv_amdgpu_winsys_virtual_map(struct radv_amdgpu_winsys *ws, struct radv_amdgpu_winsys_bo *bo,
+ const struct radv_amdgpu_map_range *range)
+{
+ uint64_t internal_flags = 0;
+ assert(range->size);
+
+ if (!range->bo) {
+ internal_flags |= AMDGPU_VM_PAGE_PRT;
+ }
+
+ int r = radv_amdgpu_bo_va_op(ws, range->bo ? range->bo->bo : NULL, range->bo_offset, range->size,
+ range->offset + bo->base.va, 0, internal_flags, AMDGPU_VA_OP_MAP);
+ if (r)
+ abort();
+}
+
+static void
+radv_amdgpu_winsys_virtual_unmap(struct radv_amdgpu_winsys *ws, struct radv_amdgpu_winsys_bo *bo,
+ const struct radv_amdgpu_map_range *range)
+{
+ uint64_t internal_flags = 0;
+ assert(range->size);
+
+ if (!range->bo) {
+ /* Even though this is an unmap, if we don't set this flag,
+ AMDGPU is going to complain about the missing buffer. */
+ internal_flags |= AMDGPU_VM_PAGE_PRT;
+ }
+
+ int r = radv_amdgpu_bo_va_op(ws, range->bo ? range->bo->bo : NULL, range->bo_offset, range->size,
+ range->offset + bo->base.va, 0, internal_flags, AMDGPU_VA_OP_UNMAP);
+ if (r)
+ abort();
+}
+
static int
bo_comparator(const void *ap, const void *bp)
{
@@ -107,6 +143,11 @@ radv_amdgpu_winsys_rebuild_bo_list(struct radv_amdgpu_winsys_bo *bo)
return VK_SUCCESS;
}
+/**
+ * TODO: Use OP_REPLACE instead of OP_MAP/OP_UNMAP when
+ * https://lists.freedesktop.org/archives/amd-gfx/2023-June/094648.html is merged in all kernels
+ * we need to support.
+ */
static VkResult
radv_amdgpu_winsys_bo_virtual_bind(struct radeon_winsys *_ws, struct radeon_winsys_bo *_parent,
uint64_t offset, uint64_t size, struct radeon_winsys_bo *_bo,
@@ -119,27 +160,10 @@ radv_amdgpu_winsys_bo_virtual_bind(struct radeon_winsys *_ws, struct radeon_wins
int first = 0, last;
struct radv_amdgpu_map_range new_first, new_last;
VkResult result;
- int r;
assert(parent->is_virtual);
assert(!bo || !bo->is_virtual);
- /* When the BO is NULL, AMDGPU will reset the PTE VA range to the initial state. Otherwise, it
- * will first unmap all existing VA that overlap the requested range and then map.
- */
- if (bo) {
- r = radv_amdgpu_bo_va_op(ws, bo->bo, bo_offset, size, parent->base.va + offset, 0, 0,
- AMDGPU_VA_OP_REPLACE);
- } else {
- r = radv_amdgpu_bo_va_op(ws, NULL, 0, size, parent->base.va + offset, 0, AMDGPU_VM_PAGE_PRT,
- AMDGPU_VA_OP_REPLACE);
- }
-
- if (r) {
- fprintf(stderr, "radv/amdgpu: Failed to replace a PRT VA region (%d).\n", r);
- return VK_ERROR_OUT_OF_DEVICE_MEMORY;
- }
-
/* We have at most 2 new ranges (1 by the bind, and another one by splitting a range that
* contains the newly bound range). */
if (parent->range_capacity - parent->range_count < 2) {
@@ -171,6 +195,7 @@ radv_amdgpu_winsys_bo_virtual_bind(struct radeon_winsys *_ws, struct radeon_wins
* whether to not create the corresponding split part. */
bool remove_first = parent->ranges[first].offset == offset;
bool remove_last = parent->ranges[last].offset + parent->ranges[last].size == offset + size;
+ bool unmapped_first = false;
assert(parent->ranges[first].offset <= offset);
assert(parent->ranges[last].offset + parent->ranges[last].size >= offset + size);
@@ -196,6 +221,11 @@ radv_amdgpu_winsys_bo_virtual_bind(struct radeon_winsys *_ws, struct radeon_wins
range_count_delta = 1 - (last - first + 1) + !remove_first + !remove_last;
new_idx = first + !remove_first;
+ /* Any range between first and last is going to be entirely covered by the new range so just
+ * unmap them. */
+ for (int i = first + 1; i < last; ++i)
+ radv_amdgpu_winsys_virtual_unmap(ws, parent, parent->ranges + i);
+
/* If the first/last range are not left alone we unmap then and optionally map
* them again after modifications. Not that this implicitly can do the splitting
* if first == last. */
@@ -203,16 +233,24 @@ radv_amdgpu_winsys_bo_virtual_bind(struct radeon_winsys *_ws, struct radeon_wins
new_last = parent->ranges[last];
if (parent->ranges[first].offset + parent->ranges[first].size > offset || remove_first) {
+ radv_amdgpu_winsys_virtual_unmap(ws, parent, parent->ranges + first);
+ unmapped_first = true;
+
if (!remove_first) {
new_first.size = offset - new_first.offset;
+ radv_amdgpu_winsys_virtual_map(ws, parent, &new_first);
}
}
if (parent->ranges[last].offset < offset + size || remove_last) {
+ if (first != last || !unmapped_first)
+ radv_amdgpu_winsys_virtual_unmap(ws, parent, parent->ranges + last);
+
if (!remove_last) {
new_last.size -= offset + size - new_last.offset;
new_last.bo_offset += (offset + size - new_last.offset);
new_last.offset = offset + size;
+ radv_amdgpu_winsys_virtual_map(ws, parent, &new_last);
}
}
@@ -232,6 +270,8 @@ radv_amdgpu_winsys_bo_virtual_bind(struct radeon_winsys *_ws, struct radeon_wins
parent->ranges[new_idx].bo = bo;
parent->ranges[new_idx].bo_offset = bo_offset;
+ radv_amdgpu_winsys_virtual_map(ws, parent, parent->ranges + new_idx);
+
parent->range_count += range_count_delta;
result = radv_amdgpu_winsys_rebuild_bo_list(parent);
@@ -415,15 +455,7 @@ radv_amdgpu_winsys_bo_create(struct radeon_winsys *_ws, uint64_t size, unsigned
bo->ranges[0].bo = NULL;
bo->ranges[0].bo_offset = 0;
- /* Reserve a PRT VA region. */
- r = radv_amdgpu_bo_va_op(ws, NULL, 0, size, bo->base.va, 0, AMDGPU_VM_PAGE_PRT,
- AMDGPU_VA_OP_MAP);
- if (r) {
- fprintf(stderr, "radv/amdgpu: Failed to reserve a PRT VA region (%d).\n", r);
- result = VK_ERROR_OUT_OF_DEVICE_MEMORY;
- goto error_ranges_alloc;
- }
-
+ radv_amdgpu_winsys_virtual_map(ws, bo, bo->ranges);
radv_amdgpu_log_bo(ws, bo, false);
*out_bo = (struct radeon_winsys_bo *)bo;