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nouveau: Add a function to allocate a tiled buffer

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24326>
This commit is contained in:
Faith Ekstrand 2023-01-30 20:11:54 -06:00 • committed by Marge Bot
parent 71420b4c7d
commit ac8bbb355a
2 changed files with 25 additions and 2 deletions
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18
src/nouveau/winsys/nouveau_bo.c
View file

@ -7,7 +7,18 @@
#include <sys/mman.h>
struct nouveau_ws_bo *
nouveau_ws_bo_new(struct nouveau_ws_device *dev, uint64_t size, uint64_t align, enum nouveau_ws_bo_flags flags)
nouveau_ws_bo_new(struct nouveau_ws_device *dev,
uint64_t size, uint64_t align,
enum nouveau_ws_bo_flags flags)
{
return nouveau_ws_bo_new_tiled(dev, size, align, 0, 0, flags);
}
struct nouveau_ws_bo *
nouveau_ws_bo_new_tiled(struct nouveau_ws_device *dev,
uint64_t size, uint64_t align,
uint8_t pte_kind, uint16_t tile_mode,
enum nouveau_ws_bo_flags flags)
{
struct nouveau_ws_bo *bo = CALLOC_STRUCT(nouveau_ws_bo);
struct drm_nouveau_gem_new req = {};
@ -25,6 +36,11 @@ nouveau_ws_bo_new(struct nouveau_ws_device *dev, uint64_t size, uint64_t align,
if (flags & NOUVEAU_WS_BO_MAP)
req.info.domain |= NOUVEAU_GEM_DOMAIN_MAPPABLE;
assert(pte_kind == 0 || !(flags & NOUVEAU_WS_BO_GART));
assert(tile_mode == 0 || !(flags & NOUVEAU_WS_BO_GART));
req.info.tile_flags = (uint32_t)pte_kind << 8;
req.info.tile_mode = tile_mode;
req.info.size = size;
req.align = align;

9
src/nouveau/winsys/nouveau_bo.h
View file

@ -28,7 +28,14 @@ struct nouveau_ws_bo {
_Atomic uint32_t refcnt;
};
struct nouveau_ws_bo *nouveau_ws_bo_new(struct nouveau_ws_device *, uint64_t size, uint64_t align, enum nouveau_ws_bo_flags);
struct nouveau_ws_bo *nouveau_ws_bo_new(struct nouveau_ws_device *,
uint64_t size, uint64_t align,
enum nouveau_ws_bo_flags);
struct nouveau_ws_bo *nouveau_ws_bo_new_tiled(struct nouveau_ws_device *,
uint64_t size, uint64_t align,
uint8_t pte_kind,
uint16_t tile_mode,
enum nouveau_ws_bo_flags);
void nouveau_ws_bo_destroy(struct nouveau_ws_bo *);
void *nouveau_ws_bo_map(struct nouveau_ws_bo *, enum nouveau_ws_bo_map_flags);
bool nouveau_ws_bo_wait(struct nouveau_ws_bo *, enum nouveau_ws_bo_map_flags flags);