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drm/ttm: do not keep GPU dependent addresses 

GPU address handling is device specific and should be handle by its device
driver.

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/372937/
Signed-off-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Nirmoy Das 2020-06-24 20:26:48 +02:00 committed by Christian König
parent d41a39dda1
commit 6407d666c5
3 changed files with 0 additions and 10 deletions
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7
drivers/gpu/drm/ttm/ttm_bo.c
View File

@ -85,7 +85,6 @@ static void ttm_mem_type_debug(struct ttm_bo_device *bdev, struct drm_printer *p
drm_printf(p, " has_type: %d\n", man->has_type);
drm_printf(p, " use_type: %d\n", man->use_type);
drm_printf(p, " flags: 0x%08X\n", man->flags);
drm_printf(p, " gpu_offset: 0x%08llX\n", man->gpu_offset);
drm_printf(p, " size: %llu\n", man->size);
drm_printf(p, " available_caching: 0x%08X\n", man->available_caching);
drm_printf(p, " default_caching: 0x%08X\n", man->default_caching);
@ -343,12 +342,6 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
moved:
bo->evicted = false;
if (bo->mem.mm_node)
bo->offset = (bo->mem.start << PAGE_SHIFT) +
bdev->man[bo->mem.mem_type].gpu_offset;
else
bo->offset = 0;
ctx->bytes_moved += bo->num_pages << PAGE_SHIFT;
return 0;

2
include/drm/ttm/ttm_bo_api.h
View File

@ -213,8 +213,6 @@ struct ttm_buffer_object {
* either of these locks held.
*/
uint64_t offset; /* GPU address space is independent of CPU word size */
struct sg_table *sg;
};

1
include/drm/ttm/ttm_bo_driver.h
View File

@ -177,7 +177,6 @@ struct ttm_mem_type_manager {
bool has_type;
bool use_type;
uint32_t flags;
uint64_t gpu_offset; /* GPU address space is independent of CPU word size */
uint64_t size;
uint32_t available_caching;
uint32_t default_caching;