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drm/ttm: remove ttm_buffer_object->buffer_start

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All drivers set it to 0 and nothing uses it.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Marcin Slusarz
2012-11-06 21:49:51 +00:00
committed by Dave Airlie
parent ef8cf3a1c5
commit 0b91c4a1cd
9 changed files with 10 additions and 23 deletions
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9
include/drm/ttm/ttm_bo_api.h
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@@ -141,8 +141,6 @@ struct ttm_tt;
* struct ttm_buffer_object
*
* @bdev: Pointer to the buffer object device structure.
* @buffer_start: The virtual user-space start address of ttm_bo_type_user
* buffers.
* @type: The bo type.
* @destroy: Destruction function. If NULL, kfree is used.
* @num_pages: Actual number of pages.
@@ -200,7 +198,6 @@ struct ttm_buffer_object {
struct ttm_bo_global *glob;
struct ttm_bo_device *bdev;
unsigned long buffer_start;
enum ttm_bo_type type;
void (*destroy) (struct ttm_buffer_object *);
unsigned long num_pages;
@@ -472,8 +469,6 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev,
* @type: Requested type of buffer object.
* @flags: Initial placement flags.
* @page_alignment: Data alignment in pages.
* @buffer_start: Virtual address of user space data backing a
* user buffer object.
* @interruptible: If needing to sleep to wait for GPU resources,
* sleep interruptible.
* @persistent_swap_storage: Usually the swap storage is deleted for buffers
@@ -505,7 +500,6 @@ extern int ttm_bo_init(struct ttm_bo_device *bdev,
enum ttm_bo_type type,
struct ttm_placement *placement,
uint32_t page_alignment,
unsigned long buffer_start,
bool interrubtible,
struct file *persistent_swap_storage,
size_t acc_size,
@@ -521,8 +515,6 @@ extern int ttm_bo_init(struct ttm_bo_device *bdev,
* @type: Requested type of buffer object.
* @flags: Initial placement flags.
* @page_alignment: Data alignment in pages.
* @buffer_start: Virtual address of user space data backing a
* user buffer object.
* @interruptible: If needing to sleep while waiting for GPU resources,
* sleep interruptible.
* @persistent_swap_storage: Usually the swap storage is deleted for buffers
@@ -545,7 +537,6 @@ extern int ttm_bo_create(struct ttm_bo_device *bdev,
enum ttm_bo_type type,
struct ttm_placement *placement,
uint32_t page_alignment,
unsigned long buffer_start,
bool interruptible,
struct file *persistent_swap_storage,
struct ttm_buffer_object **p_bo);