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drm/vram_helper: implement a ttm move callback.

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This will always do memcpy moves.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201006000644.1005758-5-airlied@gmail.com
This commit is contained in:
Dave Airlie 2020-10-06 10:06:43 +10:00
parent bcff5d3e3b
commit 2b8283ff1a
1 changed files with 21 additions and 0 deletions
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21
drivers/gpu/drm/drm_gem_vram_helper.c
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@ -588,6 +588,14 @@ static void drm_gem_vram_bo_driver_move_notify(struct drm_gem_vram_object *gbo,
kmap->virtual = NULL;
}
static int drm_gem_vram_bo_driver_move(struct drm_gem_vram_object *gbo,
bool evict,
struct ttm_operation_ctx *ctx,
struct ttm_resource *new_mem)
{
return ttm_bo_move_memcpy(&gbo->bo, ctx, new_mem);
}
/*
* Helpers for struct drm_gem_object_funcs
*/
@ -950,6 +958,18 @@ static void bo_driver_move_notify(struct ttm_buffer_object *bo,
drm_gem_vram_bo_driver_move_notify(gbo, evict, new_mem);
}
static int bo_driver_move(struct ttm_buffer_object *bo,
bool evict,
struct ttm_operation_ctx *ctx,
struct ttm_resource *new_mem)
{
struct drm_gem_vram_object *gbo;
gbo = drm_gem_vram_of_bo(bo);
return drm_gem_vram_bo_driver_move(gbo, evict, ctx, new_mem);
}
static int bo_driver_io_mem_reserve(struct ttm_bo_device *bdev,
struct ttm_resource *mem)
{
@ -974,6 +994,7 @@ static struct ttm_bo_driver bo_driver = {
.ttm_tt_destroy = bo_driver_ttm_tt_destroy,
.eviction_valuable = ttm_bo_eviction_valuable,
.evict_flags = bo_driver_evict_flags,
.move = bo_driver_move,
.move_notify = bo_driver_move_notify,
.io_mem_reserve = bo_driver_io_mem_reserve,
};