mirror of https://gitee.com/openkylin/linux.git
drm/mm: Support 4 GiB and larger ranges
The current implementation is limited by the number of addresses that fit into an unsigned long. This causes problems on 32-bit Tegra where unsigned long is 32-bit but drm_mm is used to manage an IOVA space of 4 GiB. Given the 32-bit limitation, the range is limited to 4 GiB - 1 (or 4 GiB - 4 KiB for page granularity). This commit changes the start and size of the range to be an unsigned 64-bit integer, thus allowing much larger ranges to be supported. [airlied: fix i915 warnings and coloring callback] Signed-off-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Dave Airlie <airlied@redhat.com> fixupo
This commit is contained in:
Thierry Reding
Dave Airlie
parent
ed9ed50ccc
commit
440fd5283a
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@ -91,29 +91,29 @@
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*/
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static struct drm_mm_node *drm_mm_search_free_generic(const struct drm_mm *mm,
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unsigned long size,
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u64 size,
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unsigned alignment,
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unsigned long color,
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enum drm_mm_search_flags flags);
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static struct drm_mm_node *drm_mm_search_free_in_range_generic(const struct drm_mm *mm,
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unsigned long size,
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u64 size,
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unsigned alignment,
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unsigned long color,
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unsigned long start,
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unsigned long end,
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u64 start,
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u64 end,
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enum drm_mm_search_flags flags);
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static void drm_mm_insert_helper(struct drm_mm_node *hole_node,
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struct drm_mm_node *node,
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unsigned long size, unsigned alignment,
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u64 size, unsigned alignment,
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unsigned long color,
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enum drm_mm_allocator_flags flags)
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{
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struct drm_mm *mm = hole_node->mm;
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unsigned long hole_start = drm_mm_hole_node_start(hole_node);
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unsigned long hole_end = drm_mm_hole_node_end(hole_node);
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unsigned long adj_start = hole_start;
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unsigned long adj_end = hole_end;
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u64 hole_start = drm_mm_hole_node_start(hole_node);
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u64 hole_end = drm_mm_hole_node_end(hole_node);
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u64 adj_start = hole_start;
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u64 adj_end = hole_end;
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BUG_ON(node->allocated);
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@ -124,12 +124,15 @@ static void drm_mm_insert_helper(struct drm_mm_node *hole_node,
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adj_start = adj_end - size;
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if (alignment) {
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unsigned tmp = adj_start % alignment;
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if (tmp) {
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u64 tmp = adj_start;
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unsigned rem;
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rem = do_div(tmp, alignment);
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if (rem) {
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if (flags & DRM_MM_CREATE_TOP)
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adj_start -= tmp;
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adj_start -= rem;
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else
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adj_start += alignment - tmp;
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adj_start += alignment - rem;
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}
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}
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@ -176,9 +179,9 @@ static void drm_mm_insert_helper(struct drm_mm_node *hole_node,
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int drm_mm_reserve_node(struct drm_mm *mm, struct drm_mm_node *node)
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{
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struct drm_mm_node *hole;
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unsigned long end = node->start + node->size;
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unsigned long hole_start;
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unsigned long hole_end;
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u64 end = node->start + node->size;
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u64 hole_start;
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u64 hole_end;
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BUG_ON(node == NULL);
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@ -227,7 +230,7 @@ EXPORT_SYMBOL(drm_mm_reserve_node);
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* 0 on success, -ENOSPC if there's no suitable hole.
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*/
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int drm_mm_insert_node_generic(struct drm_mm *mm, struct drm_mm_node *node,
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unsigned long size, unsigned alignment,
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u64 size, unsigned alignment,
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unsigned long color,
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enum drm_mm_search_flags sflags,
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enum drm_mm_allocator_flags aflags)
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@ -246,16 +249,16 @@ EXPORT_SYMBOL(drm_mm_insert_node_generic);
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static void drm_mm_insert_helper_range(struct drm_mm_node *hole_node,
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struct drm_mm_node *node,
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unsigned long size, unsigned alignment,
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u64 size, unsigned alignment,
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unsigned long color,
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unsigned long start, unsigned long end,
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u64 start, u64 end,
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enum drm_mm_allocator_flags flags)
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{
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struct drm_mm *mm = hole_node->mm;
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unsigned long hole_start = drm_mm_hole_node_start(hole_node);
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unsigned long hole_end = drm_mm_hole_node_end(hole_node);
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unsigned long adj_start = hole_start;
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unsigned long adj_end = hole_end;
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u64 hole_start = drm_mm_hole_node_start(hole_node);
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u64 hole_end = drm_mm_hole_node_end(hole_node);
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u64 adj_start = hole_start;
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u64 adj_end = hole_end;
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BUG_ON(!hole_node->hole_follows || node->allocated);
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@ -271,12 +274,15 @@ static void drm_mm_insert_helper_range(struct drm_mm_node *hole_node,
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mm->color_adjust(hole_node, color, &adj_start, &adj_end);
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if (alignment) {
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unsigned tmp = adj_start % alignment;
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if (tmp) {
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u64 tmp = adj_start;
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unsigned rem;
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rem = do_div(tmp, alignment);
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if (rem) {
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if (flags & DRM_MM_CREATE_TOP)
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adj_start -= tmp;
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adj_start -= rem;
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else
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adj_start += alignment - tmp;
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adj_start += alignment - rem;
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}
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}
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@ -324,9 +330,9 @@ static void drm_mm_insert_helper_range(struct drm_mm_node *hole_node,
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* 0 on success, -ENOSPC if there's no suitable hole.
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*/
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int drm_mm_insert_node_in_range_generic(struct drm_mm *mm, struct drm_mm_node *node,
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unsigned long size, unsigned alignment,
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u64 size, unsigned alignment,
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unsigned long color,
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unsigned long start, unsigned long end,
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u64 start, u64 end,
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enum drm_mm_search_flags sflags,
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enum drm_mm_allocator_flags aflags)
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{
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@ -387,32 +393,34 @@ void drm_mm_remove_node(struct drm_mm_node *node)
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}
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EXPORT_SYMBOL(drm_mm_remove_node);
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static int check_free_hole(unsigned long start, unsigned long end,
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unsigned long size, unsigned alignment)
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static int check_free_hole(u64 start, u64 end, u64 size, unsigned alignment)
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{
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if (end - start < size)
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return 0;
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if (alignment) {
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unsigned tmp = start % alignment;
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u64 tmp = start;
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unsigned rem;
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rem = do_div(tmp, alignment);
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if (tmp)
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start += alignment - tmp;
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start += alignment - rem;
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}
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return end >= start + size;
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}
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static struct drm_mm_node *drm_mm_search_free_generic(const struct drm_mm *mm,
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unsigned long size,
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u64 size,
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unsigned alignment,
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unsigned long color,
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enum drm_mm_search_flags flags)
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{
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struct drm_mm_node *entry;
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struct drm_mm_node *best;
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unsigned long adj_start;
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unsigned long adj_end;
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unsigned long best_size;
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u64 adj_start;
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u64 adj_end;
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u64 best_size;
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BUG_ON(mm->scanned_blocks);
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@ -421,7 +429,7 @@ static struct drm_mm_node *drm_mm_search_free_generic(const struct drm_mm *mm,
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__drm_mm_for_each_hole(entry, mm, adj_start, adj_end,
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flags & DRM_MM_SEARCH_BELOW) {
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unsigned long hole_size = adj_end - adj_start;
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u64 hole_size = adj_end - adj_start;
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if (mm->color_adjust) {
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mm->color_adjust(entry, color, &adj_start, &adj_end);
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@ -445,18 +453,18 @@ static struct drm_mm_node *drm_mm_search_free_generic(const struct drm_mm *mm,
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}
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static struct drm_mm_node *drm_mm_search_free_in_range_generic(const struct drm_mm *mm,
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unsigned long size,
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u64 size,
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unsigned alignment,
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unsigned long color,
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unsigned long start,
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unsigned long end,
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u64 start,
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u64 end,
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enum drm_mm_search_flags flags)
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{
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struct drm_mm_node *entry;
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struct drm_mm_node *best;
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unsigned long adj_start;
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unsigned long adj_end;
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unsigned long best_size;
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u64 adj_start;
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u64 adj_end;
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u64 best_size;
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BUG_ON(mm->scanned_blocks);
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@ -465,7 +473,7 @@ static struct drm_mm_node *drm_mm_search_free_in_range_generic(const struct drm_
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__drm_mm_for_each_hole(entry, mm, adj_start, adj_end,
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flags & DRM_MM_SEARCH_BELOW) {
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unsigned long hole_size = adj_end - adj_start;
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u64 hole_size = adj_end - adj_start;
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if (adj_start < start)
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adj_start = start;
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@ -561,7 +569,7 @@ EXPORT_SYMBOL(drm_mm_replace_node);
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* adding/removing nodes to/from the scan list are allowed.
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*/
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void drm_mm_init_scan(struct drm_mm *mm,
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unsigned long size,
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u64 size,
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unsigned alignment,
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unsigned long color)
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{
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@ -594,11 +602,11 @@ EXPORT_SYMBOL(drm_mm_init_scan);
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* adding/removing nodes to/from the scan list are allowed.
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*/
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void drm_mm_init_scan_with_range(struct drm_mm *mm,
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unsigned long size,
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u64 size,
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unsigned alignment,
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unsigned long color,
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unsigned long start,
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unsigned long end)
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u64 start,
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u64 end)
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{
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mm->scan_color = color;
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mm->scan_alignment = alignment;
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@ -627,8 +635,8 @@ bool drm_mm_scan_add_block(struct drm_mm_node *node)
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{
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struct drm_mm *mm = node->mm;
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struct drm_mm_node *prev_node;
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unsigned long hole_start, hole_end;
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unsigned long adj_start, adj_end;
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u64 hole_start, hole_end;
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u64 adj_start, adj_end;
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mm->scanned_blocks++;
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@ -731,7 +739,7 @@ EXPORT_SYMBOL(drm_mm_clean);
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*
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* Note that @mm must be cleared to 0 before calling this function.
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*/
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void drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size)
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void drm_mm_init(struct drm_mm * mm, u64 start, u64 size)
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{
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INIT_LIST_HEAD(&mm->hole_stack);
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mm->scanned_blocks = 0;
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@ -766,18 +774,17 @@ void drm_mm_takedown(struct drm_mm * mm)
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}
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EXPORT_SYMBOL(drm_mm_takedown);
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static unsigned long drm_mm_debug_hole(struct drm_mm_node *entry,
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const char *prefix)
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static u64 drm_mm_debug_hole(struct drm_mm_node *entry,
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const char *prefix)
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{
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unsigned long hole_start, hole_end, hole_size;
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u64 hole_start, hole_end, hole_size;
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if (entry->hole_follows) {
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hole_start = drm_mm_hole_node_start(entry);
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hole_end = drm_mm_hole_node_end(entry);
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hole_size = hole_end - hole_start;
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printk(KERN_DEBUG "%s 0x%08lx-0x%08lx: %8lu: free\n",
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prefix, hole_start, hole_end,
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hole_size);
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pr_debug("%s %#llx-%#llx: %llu: free\n", prefix, hole_start,
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hole_end, hole_size);
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return hole_size;
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}
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@ -792,35 +799,34 @@ static unsigned long drm_mm_debug_hole(struct drm_mm_node *entry,
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void drm_mm_debug_table(struct drm_mm *mm, const char *prefix)
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{
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struct drm_mm_node *entry;
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unsigned long total_used = 0, total_free = 0, total = 0;
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u64 total_used = 0, total_free = 0, total = 0;
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total_free += drm_mm_debug_hole(&mm->head_node, prefix);
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drm_mm_for_each_node(entry, mm) {
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printk(KERN_DEBUG "%s 0x%08lx-0x%08lx: %8lu: used\n",
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prefix, entry->start, entry->start + entry->size,
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entry->size);
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pr_debug("%s %#llx-%#llx: %llu: used\n", prefix, entry->start,
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entry->start + entry->size, entry->size);
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total_used += entry->size;
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total_free += drm_mm_debug_hole(entry, prefix);
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}
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total = total_free + total_used;
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printk(KERN_DEBUG "%s total: %lu, used %lu free %lu\n", prefix, total,
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total_used, total_free);
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pr_debug("%s total: %llu, used %llu free %llu\n", prefix, total,
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total_used, total_free);
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}
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EXPORT_SYMBOL(drm_mm_debug_table);
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#if defined(CONFIG_DEBUG_FS)
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static unsigned long drm_mm_dump_hole(struct seq_file *m, struct drm_mm_node *entry)
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static u64 drm_mm_dump_hole(struct seq_file *m, struct drm_mm_node *entry)
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{
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unsigned long hole_start, hole_end, hole_size;
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u64 hole_start, hole_end, hole_size;
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if (entry->hole_follows) {
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hole_start = drm_mm_hole_node_start(entry);
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hole_end = drm_mm_hole_node_end(entry);
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hole_size = hole_end - hole_start;
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seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: free\n",
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hole_start, hole_end, hole_size);
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seq_printf(m, "%#llx-%#llx: %llu: free\n", hole_start,
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hole_end, hole_size);
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return hole_size;
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}
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@ -835,20 +841,20 @@ static unsigned long drm_mm_dump_hole(struct seq_file *m, struct drm_mm_node *en
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int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm)
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{
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struct drm_mm_node *entry;
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unsigned long total_used = 0, total_free = 0, total = 0;
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u64 total_used = 0, total_free = 0, total = 0;
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total_free += drm_mm_dump_hole(m, &mm->head_node);
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drm_mm_for_each_node(entry, mm) {
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seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: used\n",
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entry->start, entry->start + entry->size,
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entry->size);
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seq_printf(m, "%#016llx-%#016llx: %llu: used\n", entry->start,
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entry->start + entry->size, entry->size);
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total_used += entry->size;
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total_free += drm_mm_dump_hole(m, entry);
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}
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total = total_free + total_used;
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seq_printf(m, "total: %lu, used %lu free %lu\n", total, total_used, total_free);
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seq_printf(m, "total: %llu, used %llu free %llu\n", total,
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total_used, total_free);
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return 0;
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}
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EXPORT_SYMBOL(drm_mm_dump_table);
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@ -152,12 +152,12 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
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seq_puts(m, " (pp");
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else
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seq_puts(m, " (g");
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seq_printf(m, "gtt offset: %08lx, size: %08lx, type: %u)",
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seq_printf(m, "gtt offset: %08llx, size: %08llx, type: %u)",
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vma->node.start, vma->node.size,
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vma->ggtt_view.type);
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}
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if (obj->stolen)
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seq_printf(m, " (stolen: %08lx)", obj->stolen->start);
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seq_printf(m, " (stolen: %08llx)", obj->stolen->start);
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if (obj->pin_mappable || obj->fault_mappable) {
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char s[3], *t = s;
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if (obj->pin_mappable)
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@ -1145,7 +1145,7 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
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ppgtt->base.clear_range(&ppgtt->base, 0, ppgtt->base.total, true);
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DRM_DEBUG_DRIVER("Allocated pde space (%ldM) at GTT entry: %lx\n",
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DRM_DEBUG_DRIVER("Allocated pde space (%lldM) at GTT entry: %llx\n",
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ppgtt->node.size >> 20,
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ppgtt->node.start / PAGE_SIZE);
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@ -1713,8 +1713,8 @@ void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj)
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static void i915_gtt_color_adjust(struct drm_mm_node *node,
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unsigned long color,
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unsigned long *start,
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unsigned long *end)
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u64 *start,
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u64 *end)
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{
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if (node->color != color)
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*start += 4096;
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@ -68,8 +68,8 @@ struct drm_mm_node {
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unsigned scanned_preceeds_hole : 1;
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unsigned allocated : 1;
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unsigned long color;
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unsigned long start;
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unsigned long size;
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u64 start;
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u64 size;
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struct drm_mm *mm;
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};
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@ -82,16 +82,16 @@ struct drm_mm {
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unsigned int scan_check_range : 1;
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unsigned scan_alignment;
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unsigned long scan_color;
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unsigned long scan_size;
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unsigned long scan_hit_start;
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unsigned long scan_hit_end;
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u64 scan_size;
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u64 scan_hit_start;
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u64 scan_hit_end;
|
||||
unsigned scanned_blocks;
|
||||
unsigned long scan_start;
|
||||
unsigned long scan_end;
|
||||
u64 scan_start;
|
||||
u64 scan_end;
|
||||
struct drm_mm_node *prev_scanned_node;
|
||||
|
||||
void (*color_adjust)(struct drm_mm_node *node, unsigned long color,
|
||||
unsigned long *start, unsigned long *end);
|
||||
u64 *start, u64 *end);
|
||||
};
|
||||
|
||||
/**
|
||||
|
|
@ -124,7 +124,7 @@ static inline bool drm_mm_initialized(struct drm_mm *mm)
|
|||
return mm->hole_stack.next;
|
||||
}
|
||||
|
||||
static inline unsigned long __drm_mm_hole_node_start(struct drm_mm_node *hole_node)
|
||||
static inline u64 __drm_mm_hole_node_start(struct drm_mm_node *hole_node)
|
||||
{
|
||||
return hole_node->start + hole_node->size;
|
||||
}
|
||||
|
|
@ -140,13 +140,13 @@ static inline unsigned long __drm_mm_hole_node_start(struct drm_mm_node *hole_no
|
|||
* Returns:
|
||||
* Start of the subsequent hole.
|
||||
*/
|
||||
static inline unsigned long drm_mm_hole_node_start(struct drm_mm_node *hole_node)
|
||||
static inline u64 drm_mm_hole_node_start(struct drm_mm_node *hole_node)
|
||||
{
|
||||
BUG_ON(!hole_node->hole_follows);
|
||||
return __drm_mm_hole_node_start(hole_node);
|
||||
}
|
||||
|
||||
static inline unsigned long __drm_mm_hole_node_end(struct drm_mm_node *hole_node)
|
||||
static inline u64 __drm_mm_hole_node_end(struct drm_mm_node *hole_node)
|
||||
{
|
||||
return list_entry(hole_node->node_list.next,
|
||||
struct drm_mm_node, node_list)->start;
|
||||
|
|
@ -163,7 +163,7 @@ static inline unsigned long __drm_mm_hole_node_end(struct drm_mm_node *hole_node
|
|||
* Returns:
|
||||
* End of the subsequent hole.
|
||||
*/
|
||||
static inline unsigned long drm_mm_hole_node_end(struct drm_mm_node *hole_node)
|
||||
static inline u64 drm_mm_hole_node_end(struct drm_mm_node *hole_node)
|
||||
{
|
||||
return __drm_mm_hole_node_end(hole_node);
|
||||
}
|
||||
|
|
@ -222,7 +222,7 @@ int drm_mm_reserve_node(struct drm_mm *mm, struct drm_mm_node *node);
|
|||
|
||||
int drm_mm_insert_node_generic(struct drm_mm *mm,
|
||||
struct drm_mm_node *node,
|
||||
unsigned long size,
|
||||
u64 size,
|
||||
unsigned alignment,
|
||||
unsigned long color,
|
||||
enum drm_mm_search_flags sflags,
|
||||
|
|
@ -245,7 +245,7 @@ int drm_mm_insert_node_generic(struct drm_mm *mm,
|
|||
*/
|
||||
static inline int drm_mm_insert_node(struct drm_mm *mm,
|
||||
struct drm_mm_node *node,
|
||||
unsigned long size,
|
||||
u64 size,
|
||||
unsigned alignment,
|
||||
enum drm_mm_search_flags flags)
|
||||
{
|
||||
|
|
@ -255,11 +255,11 @@ static inline int drm_mm_insert_node(struct drm_mm *mm,
|
|||
|
||||
int drm_mm_insert_node_in_range_generic(struct drm_mm *mm,
|
||||
struct drm_mm_node *node,
|
||||
unsigned long size,
|
||||
u64 size,
|
||||
unsigned alignment,
|
||||
unsigned long color,
|
||||
unsigned long start,
|
||||
unsigned long end,
|
||||
u64 start,
|
||||
u64 end,
|
||||
enum drm_mm_search_flags sflags,
|
||||
enum drm_mm_allocator_flags aflags);
|
||||
/**
|
||||
|
|
@ -282,10 +282,10 @@ int drm_mm_insert_node_in_range_generic(struct drm_mm *mm,
|
|||
*/
|
||||
static inline int drm_mm_insert_node_in_range(struct drm_mm *mm,
|
||||
struct drm_mm_node *node,
|
||||
unsigned long size,
|
||||
u64 size,
|
||||
unsigned alignment,
|
||||
unsigned long start,
|
||||
unsigned long end,
|
||||
u64 start,
|
||||
u64 end,
|
||||
enum drm_mm_search_flags flags)
|
||||
{
|
||||
return drm_mm_insert_node_in_range_generic(mm, node, size, alignment,
|
||||
|
|
@ -296,21 +296,21 @@ static inline int drm_mm_insert_node_in_range(struct drm_mm *mm,
|
|||
void drm_mm_remove_node(struct drm_mm_node *node);
|
||||
void drm_mm_replace_node(struct drm_mm_node *old, struct drm_mm_node *new);
|
||||
void drm_mm_init(struct drm_mm *mm,
|
||||
unsigned long start,
|
||||
unsigned long size);
|
||||
u64 start,
|
||||
u64 size);
|
||||
void drm_mm_takedown(struct drm_mm *mm);
|
||||
bool drm_mm_clean(struct drm_mm *mm);
|
||||
|
||||
void drm_mm_init_scan(struct drm_mm *mm,
|
||||
unsigned long size,
|
||||
u64 size,
|
||||
unsigned alignment,
|
||||
unsigned long color);
|
||||
void drm_mm_init_scan_with_range(struct drm_mm *mm,
|
||||
unsigned long size,
|
||||
u64 size,
|
||||
unsigned alignment,
|
||||
unsigned long color,
|
||||
unsigned long start,
|
||||
unsigned long end);
|
||||
u64 start,
|
||||
u64 end);
|
||||
bool drm_mm_scan_add_block(struct drm_mm_node *node);
|
||||
bool drm_mm_scan_remove_block(struct drm_mm_node *node);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue