vmwgfx: Add dmabuf helper functions for pinning
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index 5d665ce..98a5d7e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -42,6 +42,10 @@
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 @@
.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 @@
.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;