[PATCH 5/7] drm/ttm: move ttm binding/unbinding out of ttm_tt paths.
Dave Airlie
airlied at gmail.com
Tue Sep 15 02:40:05 UTC 2020
From: Dave Airlie <airlied at redhat.com>
Move these up to the bo level, moving ttm_tt to just being
backing store. Next step is to move the bound flag out.
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +-
drivers/gpu/drm/nouveau/nouveau_bo.c | 2 +-
drivers/gpu/drm/radeon/radeon_mn.c | 2 +-
drivers/gpu/drm/radeon/radeon_ttm.c | 2 +-
drivers/gpu/drm/ttm/ttm_bo.c | 2 +-
drivers/gpu/drm/ttm/ttm_bo_util.c | 33 +++++++++++++++++++++--
drivers/gpu/drm/ttm/ttm_tt.c | 31 ----------------------
include/drm/ttm/ttm_bo_driver.h | 28 ++++++++++++++++++++
include/drm/ttm/ttm_tt.h | 35 -------------------------
9 files changed, 64 insertions(+), 73 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index dc73cce515b2..76a796eab901 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -554,7 +554,7 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict,
}
/* Bind the memory to the GTT space */
- r = ttm_tt_bind(bo->bdev, bo->ttm, &tmp_mem);
+ r = ttm_bo_tt_bind(bo, &tmp_mem);
if (unlikely(r)) {
goto out_cleanup;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 3a1032d01808..ec995215de97 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -908,7 +908,7 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
if (ret)
goto out;
- ret = ttm_tt_bind(bo->bdev, bo->ttm, &tmp_reg);
+ ret = ttm_bo_tt_bind(bo, &tmp_reg);
if (ret)
goto out;
diff --git a/drivers/gpu/drm/radeon/radeon_mn.c b/drivers/gpu/drm/radeon/radeon_mn.c
index b6293fb91030..eb46d2220236 100644
--- a/drivers/gpu/drm/radeon/radeon_mn.c
+++ b/drivers/gpu/drm/radeon/radeon_mn.c
@@ -53,7 +53,7 @@ static bool radeon_mn_invalidate(struct mmu_interval_notifier *mn,
struct ttm_operation_ctx ctx = { false, false };
long r;
- if (!bo->tbo.ttm || !ttm_tt_is_bound(bo->tbo.ttm))
+ if (!bo->tbo.ttm || !ttm_bo_tt_is_bound(&bo->tbo))
return true;
if (!mmu_notifier_range_blockable(range))
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 2bc6991fb7e9..228175790457 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -242,7 +242,7 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
goto out_cleanup;
}
- r = ttm_tt_bind(bo->bdev, bo->ttm, &tmp_mem);
+ r = ttm_bo_tt_bind(bo, &tmp_mem);
if (unlikely(r)) {
goto out_cleanup;
}
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 32eaf809b7c9..abc88f713fc6 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -264,7 +264,7 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
if (ret)
goto out_err;
- ret = ttm_tt_bind(bdev, bo->ttm, mem);
+ ret = ttm_bo_tt_bind(bo, mem);
if (ret)
goto out_err;
}
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 2354046bda9a..4c5c9a333c74 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -67,7 +67,7 @@ int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
return ret;
}
- ttm_tt_unbind(bo->bdev, ttm);
+ ttm_bo_tt_unbind(bo);
ttm_bo_free_old_node(bo);
old_mem->mem_type = TTM_PL_SYSTEM;
}
@@ -82,7 +82,7 @@ int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
if (unlikely(ret != 0))
return ret;
- ret = ttm_tt_bind(bo->bdev, ttm, new_mem);
+ ret = ttm_bo_tt_bind(bo, new_mem);
if (unlikely(ret != 0))
return ret;
}
@@ -706,6 +706,35 @@ void ttm_bo_tt_destroy(struct ttm_buffer_object *bo)
{
if (bo->ttm == NULL)
return;
+
+ ttm_bo_tt_unbind(bo);
ttm_tt_destroy(bo->bdev, bo->ttm);
bo->ttm = NULL;
}
+
+int ttm_bo_tt_bind(struct ttm_buffer_object *bo, struct ttm_resource *mem)
+{
+ int ret;
+
+ if (!bo->ttm)
+ return -EINVAL;
+
+ if (ttm_bo_tt_is_bound(bo))
+ return 0;
+
+ ret = bo->bdev->driver->ttm_tt_bind(bo->bdev, bo->ttm, mem);
+ if (unlikely(ret != 0))
+ return ret;
+
+ ttm_bo_tt_set_bound(bo);
+ return 0;
+}
+EXPORT_SYMBOL(ttm_bo_tt_bind);
+
+void ttm_bo_tt_unbind(struct ttm_buffer_object *bo)
+{
+ if (ttm_bo_tt_is_bound(bo)) {
+ bo->bdev->driver->ttm_tt_unbind(bo->bdev, bo->ttm);
+ ttm_bo_tt_set_unbound(bo);
+ }
+}
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 93d65e5e4205..a4f0296effac 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -209,8 +209,6 @@ EXPORT_SYMBOL(ttm_tt_set_placement_caching);
void ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
{
- ttm_tt_unbind(bdev, ttm);
-
ttm_tt_unpopulate(bdev, ttm);
if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTENT_SWAP) &&
@@ -303,35 +301,6 @@ void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma)
}
EXPORT_SYMBOL(ttm_dma_tt_fini);
-void ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
-{
- if (ttm_tt_is_bound(ttm)) {
- bdev->driver->ttm_tt_unbind(bdev, ttm);
- ttm_tt_set_unbound(ttm);
- }
-}
-
-int ttm_tt_bind(struct ttm_bo_device *bdev,
- struct ttm_tt *ttm, struct ttm_resource *bo_mem)
-{
- int ret = 0;
-
- if (!ttm)
- return -EINVAL;
-
- if (ttm_tt_is_bound(ttm))
- return 0;
-
- ret = bdev->driver->ttm_tt_bind(bdev, ttm, bo_mem);
- if (unlikely(ret != 0))
- return ret;
-
- ttm_tt_set_bound(ttm);
-
- return 0;
-}
-EXPORT_SYMBOL(ttm_tt_bind);
-
int ttm_tt_swapin(struct ttm_tt *ttm)
{
struct address_space *swap_space;
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index c2e93f04d0ad..0112619f6172 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -684,6 +684,34 @@ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo);
*/
pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp);
+/**
+ * ttm_bo_tt_bind
+ *
+ * Bind the object tt to a memory resource.
+ */
+int ttm_bo_tt_bind(struct ttm_buffer_object *bo, struct ttm_resource *mem);
+
+/**
+ * ttm_bo_tt_bind
+ *
+ * Unbind the object tt from a memory resource.
+ */
+void ttm_bo_tt_unbind(struct ttm_buffer_object *bo);
+
+static inline bool ttm_bo_tt_is_bound(struct ttm_buffer_object *bo)
+{
+ return bo->ttm->_state == tt_bound;
+}
+
+static inline void ttm_bo_tt_set_unbound(struct ttm_buffer_object *bo)
+{
+ bo->ttm->_state = tt_unbound;
+}
+
+static inline void ttm_bo_tt_set_bound(struct ttm_buffer_object *bo)
+{
+ bo->ttm->_state = tt_bound;
+}
/**
* ttm_bo_tt_destroy.
*/
diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h
index 8f57d86ee67b..1ac56730d952 100644
--- a/include/drm/ttm/ttm_tt.h
+++ b/include/drm/ttm/ttm_tt.h
@@ -82,11 +82,6 @@ static inline bool ttm_tt_is_populated(struct ttm_tt *tt)
return tt->_state != tt_unpopulated;
}
-static inline bool ttm_tt_is_bound(struct ttm_tt *tt)
-{
- return tt->_state == tt_bound;
-}
-
static inline void ttm_tt_set_unpopulated(struct ttm_tt *tt)
{
tt->_state = tt_unpopulated;
@@ -97,16 +92,6 @@ static inline void ttm_tt_set_populated(struct ttm_tt *tt)
tt->_state = tt_unbound;
}
-static inline void ttm_tt_set_unbound(struct ttm_tt *tt)
-{
- tt->_state = tt_unbound;
-}
-
-static inline void ttm_tt_set_bound(struct ttm_tt *tt)
-{
- tt->_state = tt_bound;
-}
-
/**
* struct ttm_dma_tt
*
@@ -164,17 +149,6 @@ int ttm_sg_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_buffer_object *bo,
void ttm_tt_fini(struct ttm_tt *ttm);
void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma);
-/**
- * ttm_ttm_bind:
- *
- * @ttm: The struct ttm_tt containing backing pages.
- * @bo_mem: The struct ttm_resource identifying the binding location.
- *
- * Bind the pages of @ttm to an aperture location identified by @bo_mem
- */
-int ttm_tt_bind(struct ttm_bo_device *bdev,
- struct ttm_tt *ttm, struct ttm_resource *bo_mem);
-
/**
* ttm_ttm_destroy:
*
@@ -184,15 +158,6 @@ int ttm_tt_bind(struct ttm_bo_device *bdev,
*/
void ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
-/**
- * ttm_ttm_unbind:
- *
- * @ttm: The struct ttm_tt.
- *
- * Unbind a struct ttm_tt.
- */
-void ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
-
/**
* ttm_tt_swapin:
*
--
2.27.0
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