Re: [PATCH v3 5/5] drm/amdgpu: use amdgpu_bo_user bo for metadata and tiling flag
Am 09.03.21 um 09:46 schrieb Nirmoy Das:
Tiling flag and metadata are only needed for BOs created by
amdgpu_gem_object_create(), so we can remove those from the
base class.
v2: * squash tiling_flags and metadata relared patches into one
* use BUG_ON for non ttm_bo_type_device type when accessing
tiling_flags and metadata._
v3: *include to_amdgpu_bo_user
CC: felix.kuehl...@amd.com
Signed-off-by: Nirmoy Das
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 -
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 51 +++---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 4 --
3 files changed, 35 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index de6b3ca64b45..efa79719d453 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -498,8 +498,6 @@ int amdgpu_amdkfd_get_dmabuf_info(struct kgd_dev *kgd, int
dma_buf_fd,
*dma_buf_kgd = (struct kgd_dev *)adev;
if (bo_size)
*bo_size = amdgpu_bo_size(bo);
- if (metadata_size)
- *metadata_size = bo->metadata_size;
if (metadata_buffer)
r = amdgpu_bo_get_metadata(bo, metadata_buffer, buffer_size,
metadata_size, _flags);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index bd89d44a1f2f..ac0e1cd83858 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -77,6 +77,7 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo);
+ struct amdgpu_bo_user *ubo;
if (bo->tbo.pin_count > 0)
amdgpu_bo_subtract_pin_size(bo);
@@ -94,7 +95,11 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
}
amdgpu_bo_unref(>parent);
- kfree(bo->metadata);
+ if (bo->tbo.type == ttm_bo_type_device) {
+ ubo = to_amdgpu_bo_user(bo);
+ kfree(ubo->metadata);
+ }
+
At some point we might need to improve this and use something like
amdgpu_bo_destroy_user(), but for now the patch is Reviewed-by:
Christian König .
Thanks,
Christian.
kfree(bo);
}
@@ -1160,12 +1165,15 @@ int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,
int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+ struct amdgpu_bo_user *ubo;
+ BUG_ON(bo->tbo.type != ttm_bo_type_device);
if (adev->family <= AMDGPU_FAMILY_CZ &&
AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT) > 6)
return -EINVAL;
- bo->tiling_flags = tiling_flags;
+ ubo = to_amdgpu_bo_user(bo);
+ ubo->tiling_flags = tiling_flags;
return 0;
}
@@ -1179,10 +1187,14 @@ int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo,
u64 tiling_flags)
*/
void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags)
{
+ struct amdgpu_bo_user *ubo;
+
+ BUG_ON(bo->tbo.type != ttm_bo_type_device);
dma_resv_assert_held(bo->tbo.base.resv);
+ ubo = to_amdgpu_bo_user(bo);
if (tiling_flags)
- *tiling_flags = bo->tiling_flags;
+ *tiling_flags = ubo->tiling_flags;
}
/**
@@ -1201,13 +1213,16 @@ void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo,
u64 *tiling_flags)
int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
uint32_t metadata_size, uint64_t flags)
{
+ struct amdgpu_bo_user *ubo;
void *buffer;
+ BUG_ON(bo->tbo.type != ttm_bo_type_device);
+ ubo = to_amdgpu_bo_user(bo);
if (!metadata_size) {
- if (bo->metadata_size) {
- kfree(bo->metadata);
- bo->metadata = NULL;
- bo->metadata_size = 0;
+ if (ubo->metadata_size) {
+ kfree(ubo->metadata);
+ ubo->metadata = NULL;
+ ubo->metadata_size = 0;
}
return 0;
}
@@ -1219,10 +1234,10 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void
*metadata,
if (buffer == NULL)
return -ENOMEM;
- kfree(bo->metadata);
- bo->metadata_flags = flags;
- bo->metadata = buffer;
- bo->metadata_size = metadata_size;
+ kfree(ubo->metadata);
+ ubo->metadata_flags = flags;
+ ubo->metadata = buffer;
+ ubo->metadata_size = metadata_size;
return 0;
}
@@ -1246,21 +1261,25 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void
*buffer,
size_t buffer_size, uint32_t *metadata_size,
uint64_t
[PATCH v3 5/5] drm/amdgpu: use amdgpu_bo_user bo for metadata and tiling flag
Tiling flag and metadata are only needed for BOs created by
amdgpu_gem_object_create(), so we can remove those from the
base class.
v2: * squash tiling_flags and metadata relared patches into one
* use BUG_ON for non ttm_bo_type_device type when accessing
tiling_flags and metadata._
v3: *include to_amdgpu_bo_user
CC: felix.kuehl...@amd.com
Signed-off-by: Nirmoy Das
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 -
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 51 +++---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 4 --
3 files changed, 35 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index de6b3ca64b45..efa79719d453 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -498,8 +498,6 @@ int amdgpu_amdkfd_get_dmabuf_info(struct kgd_dev *kgd, int
dma_buf_fd,
*dma_buf_kgd = (struct kgd_dev *)adev;
if (bo_size)
*bo_size = amdgpu_bo_size(bo);
- if (metadata_size)
- *metadata_size = bo->metadata_size;
if (metadata_buffer)
r = amdgpu_bo_get_metadata(bo, metadata_buffer, buffer_size,
metadata_size, _flags);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index bd89d44a1f2f..ac0e1cd83858 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -77,6 +77,7 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo);
+ struct amdgpu_bo_user *ubo;
if (bo->tbo.pin_count > 0)
amdgpu_bo_subtract_pin_size(bo);
@@ -94,7 +95,11 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
}
amdgpu_bo_unref(>parent);
- kfree(bo->metadata);
+ if (bo->tbo.type == ttm_bo_type_device) {
+ ubo = to_amdgpu_bo_user(bo);
+ kfree(ubo->metadata);
+ }
+
kfree(bo);
}
@@ -1160,12 +1165,15 @@ int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo,
int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+ struct amdgpu_bo_user *ubo;
+ BUG_ON(bo->tbo.type != ttm_bo_type_device);
if (adev->family <= AMDGPU_FAMILY_CZ &&
AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT) > 6)
return -EINVAL;
- bo->tiling_flags = tiling_flags;
+ ubo = to_amdgpu_bo_user(bo);
+ ubo->tiling_flags = tiling_flags;
return 0;
}
@@ -1179,10 +1187,14 @@ int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo,
u64 tiling_flags)
*/
void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags)
{
+ struct amdgpu_bo_user *ubo;
+
+ BUG_ON(bo->tbo.type != ttm_bo_type_device);
dma_resv_assert_held(bo->tbo.base.resv);
+ ubo = to_amdgpu_bo_user(bo);
if (tiling_flags)
- *tiling_flags = bo->tiling_flags;
+ *tiling_flags = ubo->tiling_flags;
}
/**
@@ -1201,13 +1213,16 @@ void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo,
u64 *tiling_flags)
int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
uint32_t metadata_size, uint64_t flags)
{
+ struct amdgpu_bo_user *ubo;
void *buffer;
+ BUG_ON(bo->tbo.type != ttm_bo_type_device);
+ ubo = to_amdgpu_bo_user(bo);
if (!metadata_size) {
- if (bo->metadata_size) {
- kfree(bo->metadata);
- bo->metadata = NULL;
- bo->metadata_size = 0;
+ if (ubo->metadata_size) {
+ kfree(ubo->metadata);
+ ubo->metadata = NULL;
+ ubo->metadata_size = 0;
}
return 0;
}
@@ -1219,10 +1234,10 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void
*metadata,
if (buffer == NULL)
return -ENOMEM;
- kfree(bo->metadata);
- bo->metadata_flags = flags;
- bo->metadata = buffer;
- bo->metadata_size = metadata_size;
+ kfree(ubo->metadata);
+ ubo->metadata_flags = flags;
+ ubo->metadata = buffer;
+ ubo->metadata_size = metadata_size;
return 0;
}
@@ -1246,21 +1261,25 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void
*buffer,
size_t buffer_size, uint32_t *metadata_size,
uint64_t *flags)
{
+ struct amdgpu_bo_user *ubo;
+
if (!buffer && !metadata_size)
return -EINVAL;
+ BUG_ON(bo->tbo.type != ttm_bo_type_device);
+ ubo = to_amdgpu_bo_user(bo);
if (buffer) {
-
