iris: Drop iris_resource::aux::extra_aux::bo

The primary and secondary aux buffers are always allocated in the same
BO.

Suggested-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>

2 files changed, 3 insertions, 16 deletions

diff --git a/src/gallium/drivers/iris/iris_resource.c b/src/gallium/drivers/iris/iris_resource.c
index 952145aad7e..b598e5c69fa 100644
--- a/src/gallium/drivers/iris/iris_resource.c
+++ b/src/gallium/drivers/iris/iris_resource.c
@@ -287,7 +287,6 @@ void
 iris_resource_disable_aux(struct iris_resource *res)
 {
    iris_bo_unreference(res->aux.bo);
-   iris_bo_unreference(res->aux.extra_aux.bo);
    iris_bo_unreference(res->aux.clear_color_bo);
    free(res->aux.state);
 
@@ -298,7 +297,6 @@ iris_resource_disable_aux(struct iris_resource *res)
    res->aux.surf.size_B = 0;
    res->aux.bo = NULL;
    res->aux.extra_aux.surf.size_B = 0;
-   res->aux.extra_aux.bo = NULL;
    res->aux.clear_color_bo = NULL;
    res->aux.state = NULL;
 }
@@ -396,14 +394,11 @@ map_aux_addresses(struct iris_screen *screen, struct iris_resource *res)
    if (devinfo->gen >= 12 && isl_aux_usage_has_ccs(res->aux.usage)) {
       void *aux_map_ctx = iris_bufmgr_get_aux_map_context(screen->bufmgr);
       assert(aux_map_ctx);
-      const bool has_extra_ccs = res->aux.extra_aux.surf.size_B > 0;
-      struct iris_bo *aux_bo = has_extra_ccs ?
-         res->aux.extra_aux.bo : res->aux.bo;
-      const unsigned aux_offset = has_extra_ccs ?
+      const unsigned aux_offset = res->aux.extra_aux.surf.size_B > 0 ?
          res->aux.extra_aux.offset : res->aux.offset;
       gen_aux_map_add_image(aux_map_ctx, &res->surf, res->bo->gtt_offset,
-                            aux_bo->gtt_offset + aux_offset);
-      res->bo->aux_map_address = aux_bo->gtt_offset;
+                            res->aux.bo->gtt_offset + aux_offset);
+      res->bo->aux_map_address = res->aux.bo->gtt_offset;
    }
 }
 
@@ -640,11 +635,6 @@ iris_resource_init_aux_buf(struct iris_resource *res, uint32_t alloc_flags,
       iris_bo_unmap(res->aux.bo);
    }
 
-   if (res->aux.extra_aux.surf.size_B > 0) {
-      res->aux.extra_aux.bo = res->aux.bo;
-      iris_bo_reference(res->aux.extra_aux.bo);
-   }
-
    if (clear_color_state_size > 0) {
       res->aux.clear_color_bo = res->aux.bo;
       iris_bo_reference(res->aux.clear_color_bo);
diff --git a/src/gallium/drivers/iris/iris_resource.h b/src/gallium/drivers/iris/iris_resource.h
index 3b22b8c4a18..39cbaba71e7 100644
--- a/src/gallium/drivers/iris/iris_resource.h
+++ b/src/gallium/drivers/iris/iris_resource.h
@@ -109,9 +109,6 @@ struct iris_resource {
       struct {
          struct isl_surf surf;
 
-         /** The buffer object containing the auxiliary data. */
-         struct iris_bo *bo;
-
          /** Offset into 'bo' where the auxiliary surface starts. */
          uint32_t offset;
       } extra_aux;