drm/nv20: Add Z compression support.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Tested-by: Xavier Chantry <chantry.xavier@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 8b524d894f18..a94430b94a20 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -70,6 +70,8 @@ struct nouveau_tile_reg {
         uint32_t addr;
         uint32_t limit;
         uint32_t pitch;
+        uint32_t zcomp;
+        struct drm_mm_node *tag_mem;
         struct nouveau_fence *fence;
 };
 
@@ -306,6 +308,7 @@ struct nouveau_timer_engine {
 
 struct nouveau_fb_engine {
         int num_tiles;
+        struct drm_mm tag_heap;
 
         int  (*init)(struct drm_device *dev);
         void (*takedown)(struct drm_device *dev);