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panfrost: Add the panfrost_drm_{create,release}_bo() helpers

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To avoid the panfrost_memory <-> panfrost_bo dance done in
panfrost_resource_create_bo() and panfrost_bo_unreference().

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
This commit is contained in:
Boris Brezillon
2019-07-02 13:21:55 +02:00
parent 948fddfc42
commit c684a79669
3 changed files with 70 additions and 29 deletions
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32
src/gallium/drivers/panfrost/pan_resource.c
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@@ -391,18 +391,7 @@ panfrost_resource_create_bo(struct panfrost_screen *screen, struct panfrost_reso
size_t bo_size;
panfrost_setup_slices(pres, &bo_size);
struct panfrost_memory mem;
struct panfrost_bo *bo = rzalloc(screen, struct panfrost_bo);
pipe_reference_init(&bo->reference, 1);
panfrost_drm_allocate_slab(screen, &mem, bo_size / 4096, true, 0, 0, 0);
bo->cpu = mem.cpu;
bo->gpu = mem.gpu;
bo->gem_handle = mem.gem_handle;
bo->size = bo_size;
pres->bo = bo;
pres->bo = panfrost_drm_create_bo(screen, bo_size, 0);
}
static struct pipe_resource *
@@ -442,20 +431,6 @@ panfrost_resource_create(struct pipe_screen *screen,
return (struct pipe_resource *)so;
}
static void
panfrost_destroy_bo(struct panfrost_screen *screen, struct panfrost_bo *bo)
{
struct panfrost_memory mem = {
.cpu = bo->cpu,
.gpu = bo->gpu,
.size = bo->size,
.gem_handle = bo->gem_handle,
};
panfrost_drm_free_slab(screen, &mem);
ralloc_free(bo);
}
void
panfrost_bo_reference(struct panfrost_bo *bo)
{
@@ -467,9 +442,8 @@ panfrost_bo_unreference(struct pipe_screen *screen, struct panfrost_bo *bo)
{
/* When the reference count goes to zero, we need to cleanup */
if (pipe_reference(&bo->reference, NULL)) {
panfrost_destroy_bo(pan_screen(screen), bo);
}
if (pipe_reference(&bo->reference, NULL))
panfrost_drm_release_bo(pan_screen(screen), bo);
}
static void