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vmwgfx: Add dmabuf helper functions for pinning

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Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jakob Bornecrantz
2011-10-04 20:13:21 +02:00
committed by Dave Airlie
parent 626ab771c2
commit d991ef0395
7 changed files with 379 additions and 107 deletions
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33
drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
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@@ -42,6 +42,10 @@ static uint32_t sys_placement_flags = TTM_PL_FLAG_SYSTEM |
static uint32_t gmr_placement_flags = VMW_PL_FLAG_GMR |
TTM_PL_FLAG_CACHED;
static uint32_t gmr_ne_placement_flags = VMW_PL_FLAG_GMR |
TTM_PL_FLAG_CACHED |
TTM_PL_FLAG_NO_EVICT;
struct ttm_placement vmw_vram_placement = {
.fpfn = 0,
.lpfn = 0,
@@ -65,6 +69,20 @@ struct ttm_placement vmw_vram_gmr_placement = {
.busy_placement = &gmr_placement_flags
};
static uint32_t vram_gmr_ne_placement_flags[] = {
TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT,
VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
};
struct ttm_placement vmw_vram_gmr_ne_placement = {
.fpfn = 0,
.lpfn = 0,
.num_placement = 2,
.placement = vram_gmr_ne_placement_flags,
.num_busy_placement = 1,
.busy_placement = &gmr_ne_placement_flags
};
struct ttm_placement vmw_vram_sys_placement = {
.fpfn = 0,
.lpfn = 0,
@@ -92,6 +110,21 @@ struct ttm_placement vmw_sys_placement = {
.busy_placement = &sys_placement_flags
};
static uint32_t evictable_placement_flags[] = {
TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED,
TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED,
VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED
};
struct ttm_placement vmw_evictable_placement = {
.fpfn = 0,
.lpfn = 0,
.num_placement = 3,
.placement = evictable_placement_flags,
.num_busy_placement = 1,
.busy_placement = &sys_placement_flags
};
struct vmw_ttm_backend {
struct ttm_backend backend;
struct page **pages;