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authorChristian König <christian.koenig@amd.com>2021-04-15 09:52:58 +0200
committerChristian König <christian.koenig@amd.com>2021-06-04 15:16:45 +0200
commitbfa3357ef9abc9d56a2910222d2deeb9f15c91ff (patch)
treed2e8e7898f21a3f39bf8b9961bdbf9fa619e9f0c /include/drm/ttm
parentdrm/pl111: Actually fix CONFIG_VEXPRESS_CONFIG depends (diff)
downloadlinux-bfa3357ef9abc9d56a2910222d2deeb9f15c91ff.tar.xz
linux-bfa3357ef9abc9d56a2910222d2deeb9f15c91ff.zip
drm/ttm: allocate resource object instead of embedding it v2
To improve the handling we want the establish the resource object as base class for the backend allocations. v2: add missing error handling Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210602100914.46246-1-christian.koenig@amd.com
Diffstat (limited to 'include/drm/ttm')
-rw-r--r--include/drm/ttm/ttm_bo_api.h1
-rw-r--r--include/drm/ttm/ttm_bo_driver.h10
-rw-r--r--include/drm/ttm/ttm_resource.h4
3 files changed, 6 insertions, 9 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 291a339a7e08..f681bbdbc698 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -137,7 +137,6 @@ struct ttm_buffer_object {
*/
struct ttm_resource *resource;
- struct ttm_resource _mem;
struct ttm_tt *ttm;
bool deleted;
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 1a9ba0b13622..ead0ef7136c8 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -96,7 +96,7 @@ struct ttm_lru_bulk_move {
*/
int ttm_bo_mem_space(struct ttm_buffer_object *bo,
struct ttm_placement *placement,
- struct ttm_resource *mem,
+ struct ttm_resource **mem,
struct ttm_operation_ctx *ctx);
/**
@@ -188,8 +188,8 @@ ttm_bo_move_to_lru_tail_unlocked(struct ttm_buffer_object *bo)
static inline void ttm_bo_assign_mem(struct ttm_buffer_object *bo,
struct ttm_resource *new_mem)
{
- bo->_mem = *new_mem;
- new_mem->mm_node = NULL;
+ WARN_ON(bo->resource);
+ bo->resource = new_mem;
}
/**
@@ -202,9 +202,7 @@ static inline void ttm_bo_assign_mem(struct ttm_buffer_object *bo,
static inline void ttm_bo_move_null(struct ttm_buffer_object *bo,
struct ttm_resource *new_mem)
{
- struct ttm_resource *old_mem = bo->resource;
-
- WARN_ON(old_mem->mm_node != NULL);
+ ttm_resource_free(bo, &bo->resource);
ttm_bo_assign_mem(bo, new_mem);
}
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h
index 890b9d369519..c17c1a52070d 100644
--- a/include/drm/ttm/ttm_resource.h
+++ b/include/drm/ttm/ttm_resource.h
@@ -225,8 +225,8 @@ ttm_resource_manager_cleanup(struct ttm_resource_manager *man)
int ttm_resource_alloc(struct ttm_buffer_object *bo,
const struct ttm_place *place,
- struct ttm_resource *res);
-void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource *res);
+ struct ttm_resource **res);
+void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource **res);
void ttm_resource_manager_init(struct ttm_resource_manager *man,
unsigned long p_size);