From: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_bo.c | 45 +++++++++++++++++++++
drivers/gpu/drm/nouveau/nouveau_sgdma.c | 54 ++++++-------------------
drivers/gpu/drm/nouveau/nouveau_ttm.h | 3 ++
3 files changed, 60 insertions(+), 42 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 9e6425a0cb3f..f16401feb965 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -668,6 +668,34 @@ nouveau_ttm_tt_create(struct ttm_buffer_object *bo, uint32_t page_flags)
return nouveau_sgdma_create_ttm(bo, page_flags);
}
+static int
+nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm,
+ struct ttm_resource *reg)
+{
+#if IS_ENABLED(CONFIG_AGP)
+ struct nouveau_drm *drm = nouveau_bdev(bdev);
+
+ if (drm->agp.bridge) {
+ return ttm_agp_bind(bdev, ttm, reg);
+ }
+#endif
+ return nouveau_sgdma_bind(bdev, ttm, reg);
+}
+
+static void
+nouveau_ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+{
+#if IS_ENABLED(CONFIG_AGP)
+ struct nouveau_drm *drm = nouveau_bdev(bdev);
+
+ if (drm->agp.bridge) {
+ ttm_agp_unbind(bdev, ttm);
+ return;
+ }
+#endif
+ nouveau_sgdma_unbind(bdev, ttm);
+}
+
static void
nouveau_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl)
{
@@ -1296,6 +1324,20 @@ nouveau_ttm_tt_unpopulate(struct ttm_bo_device *bdev,
ttm_unmap_and_unpopulate_pages(dev, ttm_dma);
}
+static void
+nouveau_ttm_tt_destroy(struct ttm_bo_device *bdev,
+ struct ttm_tt *ttm)
+{
+#if IS_ENABLED(CONFIG_AGP)
+ struct nouveau_drm *drm = nouveau_bdev(bdev);
+ if (drm->agp.bridge) {
+ ttm_agp_destroy(bdev, ttm);
+ return;
+ }
+#endif
+ nouveau_sgdma_destroy(bdev, ttm);
+}
+
void
nouveau_bo_fence(struct nouveau_bo *nvbo, struct nouveau_fence *fence, bool exclusive)
{
@@ -1311,6 +1353,9 @@ struct ttm_bo_driver nouveau_bo_driver = {
.ttm_tt_create = &nouveau_ttm_tt_create,
.ttm_tt_populate = &nouveau_ttm_tt_populate,
.ttm_tt_unpopulate = &nouveau_ttm_tt_unpopulate,
+ .ttm_tt_bind = &nouveau_ttm_tt_bind,
+ .ttm_tt_unbind = &nouveau_ttm_tt_unbind,
+ .ttm_tt_destroy = &nouveau_ttm_tt_destroy,
.eviction_valuable = ttm_bo_eviction_valuable,
.evict_flags = nouveau_bo_evict_flags,
.move_notify = nouveau_bo_move_ntfy,
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index 6000c650b105..05e542254e1f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -14,7 +14,7 @@ struct nouveau_sgdma_be {
struct nouveau_mem *mem;
};
-static void
+void
nouveau_sgdma_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
{
struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
@@ -25,10 +25,11 @@ nouveau_sgdma_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
}
}
-static int
-nv04_sgdma_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg)
+int
+nouveau_sgdma_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg)
{
struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
+ struct nouveau_drm *drm = nouveau_bdev(bdev);
struct nouveau_mem *mem = nouveau_mem(reg);
int ret;
@@ -36,65 +37,34 @@ nv04_sgdma_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_resou
if (ret)
return ret;
- ret = nouveau_mem_map(mem, &mem->cli->vmm.vmm, &mem->vma[0]);
- if (ret) {
- nouveau_mem_fini(mem);
- return ret;
+ if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
+ ret = nouveau_mem_map(mem, &mem->cli->vmm.vmm, &mem->vma[0]);
+ if (ret) {
+ nouveau_mem_fini(mem);
+ return ret;
+ }
}
nvbe->mem = mem;
return 0;
}
-static void
-nv04_sgdma_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+void
+nouveau_sgdma_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
{
struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
nouveau_mem_fini(nvbe->mem);
}
-static struct ttm_backend_func nv04_sgdma_backend = {
- .bind = nv04_sgdma_bind,
- .unbind = nv04_sgdma_unbind,
- .destroy = nouveau_sgdma_destroy
-};
-
-static int
-nv50_sgdma_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg)
-{
- struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
- struct nouveau_mem *mem = nouveau_mem(reg);
- int ret;
-
- ret = nouveau_mem_host(reg, &nvbe->ttm);
- if (ret)
- return ret;
-
- nvbe->mem = mem;
- return 0;
-}
-
-static struct ttm_backend_func nv50_sgdma_backend = {
- .bind = nv50_sgdma_bind,
- .unbind = nv04_sgdma_unbind,
- .destroy = nouveau_sgdma_destroy
-};
-
struct ttm_tt *
nouveau_sgdma_create_ttm(struct ttm_buffer_object *bo, uint32_t page_flags)
{
- struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
struct nouveau_sgdma_be *nvbe;
nvbe = kzalloc(sizeof(*nvbe), GFP_KERNEL);
if (!nvbe)
return NULL;
- if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA)
- nvbe->ttm.ttm.func = &nv04_sgdma_backend;
- else
- nvbe->ttm.ttm.func = &nv50_sgdma_backend;
-
if (ttm_dma_tt_init(&nvbe->ttm, bo, page_flags)) {
kfree(nvbe);
return NULL;
diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.h b/drivers/gpu/drm/nouveau/nouveau_ttm.h
index eaf25461cd91..69552049bb96 100644
--- a/drivers/gpu/drm/nouveau/nouveau_ttm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_ttm.h
@@ -22,4 +22,7 @@ int nouveau_ttm_mmap(struct file *, struct vm_area_struct *);
int nouveau_ttm_global_init(struct nouveau_drm *);
void nouveau_ttm_global_release(struct nouveau_drm *);
+int nouveau_sgdma_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_resource *reg);
+void nouveau_sgdma_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
+void nouveau_sgdma_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
#endif
--
2.27.0
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