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path: root/drivers/gpu/drm/lima/lima_gem.c
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Diffstat (limited to 'drivers/gpu/drm/lima/lima_gem.c')
-rw-r--r--drivers/gpu/drm/lima/lima_gem.c72
1 files changed, 34 insertions, 38 deletions
diff --git a/drivers/gpu/drm/lima/lima_gem.c b/drivers/gpu/drm/lima/lima_gem.c
index f9a9198ef198..9722b847a539 100644
--- a/drivers/gpu/drm/lima/lima_gem.c
+++ b/drivers/gpu/drm/lima/lima_gem.c
@@ -2,6 +2,7 @@
/* Copyright 2017-2019 Qiang Yu <yuq825@gmail.com> */
#include <linux/mm.h>
+#include <linux/iosys-map.h>
#include <linux/sync_file.h>
#include <linux/pagemap.h>
#include <linux/shmem_fs.h>
@@ -33,7 +34,7 @@ int lima_heap_alloc(struct lima_bo *bo, struct lima_vm *vm)
new_size = min(new_size, bo->base.base.size);
- mutex_lock(&bo->base.pages_lock);
+ dma_resv_lock(bo->base.base.resv, NULL);
if (bo->base.pages) {
pages = bo->base.pages;
@@ -41,12 +42,12 @@ int lima_heap_alloc(struct lima_bo *bo, struct lima_vm *vm)
pages = kvmalloc_array(bo->base.base.size >> PAGE_SHIFT,
sizeof(*pages), GFP_KERNEL | __GFP_ZERO);
if (!pages) {
- mutex_unlock(&bo->base.pages_lock);
+ dma_resv_unlock(bo->base.base.resv);
return -ENOMEM;
}
bo->base.pages = pages;
- bo->base.pages_use_count = 1;
+ refcount_set(&bo->base.pages_use_count, 1);
mapping_set_unevictable(mapping);
}
@@ -55,13 +56,13 @@ int lima_heap_alloc(struct lima_bo *bo, struct lima_vm *vm)
struct page *page = shmem_read_mapping_page(mapping, i);
if (IS_ERR(page)) {
- mutex_unlock(&bo->base.pages_lock);
+ dma_resv_unlock(bo->base.base.resv);
return PTR_ERR(page);
}
pages[i] = page;
}
- mutex_unlock(&bo->base.pages_lock);
+ dma_resv_unlock(bo->base.base.resv);
ret = sg_alloc_table_from_pages(&sgt, pages, i, 0,
new_size, GFP_KERNEL);
@@ -74,29 +75,34 @@ int lima_heap_alloc(struct lima_bo *bo, struct lima_vm *vm)
} else {
bo->base.sgt = kmalloc(sizeof(*bo->base.sgt), GFP_KERNEL);
if (!bo->base.sgt) {
- sg_free_table(&sgt);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto err_out0;
}
}
ret = dma_map_sgtable(dev, &sgt, DMA_BIDIRECTIONAL, 0);
- if (ret) {
- sg_free_table(&sgt);
- kfree(bo->base.sgt);
- bo->base.sgt = NULL;
- return ret;
- }
+ if (ret)
+ goto err_out1;
*bo->base.sgt = sgt;
if (vm) {
ret = lima_vm_map_bo(vm, bo, old_size >> PAGE_SHIFT);
if (ret)
- return ret;
+ goto err_out2;
}
bo->heap_size = new_size;
return 0;
+
+err_out2:
+ dma_unmap_sgtable(dev, &sgt, DMA_BIDIRECTIONAL, 0);
+err_out1:
+ kfree(bo->base.sgt);
+ bo->base.sgt = NULL;
+err_out0:
+ sg_free_table(&sgt);
+ return ret;
}
int lima_gem_create_handle(struct drm_device *dev, struct drm_file *file,
@@ -179,17 +185,17 @@ static int lima_gem_pin(struct drm_gem_object *obj)
if (bo->heap_size)
return -EINVAL;
- return drm_gem_shmem_pin(&bo->base);
+ return drm_gem_shmem_pin_locked(&bo->base);
}
-static int lima_gem_vmap(struct drm_gem_object *obj, struct dma_buf_map *map)
+static int lima_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map)
{
struct lima_bo *bo = to_lima_bo(obj);
if (bo->heap_size)
return -EINVAL;
- return drm_gem_shmem_vmap(&bo->base, map);
+ return drm_gem_shmem_vmap_locked(&bo->base, map);
}
static int lima_gem_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
@@ -213,6 +219,7 @@ static const struct drm_gem_object_funcs lima_gem_funcs = {
.vmap = lima_gem_vmap,
.vunmap = drm_gem_shmem_object_vunmap,
.mmap = lima_gem_mmap,
+ .vm_ops = &drm_gem_shmem_vm_ops,
};
struct drm_gem_object *lima_gem_create_object(struct drm_device *dev, size_t size)
@@ -255,13 +262,11 @@ int lima_gem_get_info(struct drm_file *file, u32 handle, u32 *va, u64 *offset)
static int lima_gem_sync_bo(struct lima_sched_task *task, struct lima_bo *bo,
bool write, bool explicit)
{
- int err = 0;
+ int err;
- if (!write) {
- err = dma_resv_reserve_shared(lima_bo_resv(bo), 1);
- if (err)
- return err;
- }
+ err = dma_resv_reserve_fences(lima_bo_resv(bo), 1);
+ if (err)
+ return err;
/* explicit sync use user passed dep fence */
if (explicit)
@@ -277,21 +282,13 @@ static int lima_gem_add_deps(struct drm_file *file, struct lima_submit *submit)
int i, err;
for (i = 0; i < ARRAY_SIZE(submit->in_sync); i++) {
- struct dma_fence *fence = NULL;
-
if (!submit->in_sync[i])
continue;
- err = drm_syncobj_find_fence(file, submit->in_sync[i],
- 0, 0, &fence);
+ err = drm_sched_job_add_syncobj_dependency(&submit->task->base, file,
+ submit->in_sync[i], 0);
if (err)
return err;
-
- err = drm_sched_job_add_dependency(&submit->task->base, fence);
- if (err) {
- dma_fence_put(fence);
- return err;
- }
}
return 0;
@@ -344,7 +341,7 @@ int lima_gem_submit(struct drm_file *file, struct lima_submit *submit)
err = lima_sched_task_init(
submit->task, submit->ctx->context + submit->pipe,
- bos, submit->nr_bos, vm);
+ bos, submit->nr_bos, vm, file->client_id);
if (err)
goto err_out1;
@@ -364,10 +361,9 @@ int lima_gem_submit(struct drm_file *file, struct lima_submit *submit)
fence = lima_sched_context_queue_task(submit->task);
for (i = 0; i < submit->nr_bos; i++) {
- if (submit->bos[i].flags & LIMA_SUBMIT_BO_WRITE)
- dma_resv_add_excl_fence(lima_bo_resv(bos[i]), fence);
- else
- dma_resv_add_shared_fence(lima_bo_resv(bos[i]), fence);
+ dma_resv_add_fence(lima_bo_resv(bos[i]), fence,
+ submit->bos[i].flags & LIMA_SUBMIT_BO_WRITE ?
+ DMA_RESV_USAGE_WRITE : DMA_RESV_USAGE_READ);
}
drm_gem_unlock_reservations((struct drm_gem_object **)bos,
generated by cgit (git 2.34.1) at 2025-12-22 00:36:28 +0000