3 files changed, 8 insertions, 17 deletions

diff --git a/drivers/gpu/nvgpu/common/fb/fb_gv11b.c b/drivers/gpu/nvgpu/common/fb/fb_gv11b.c
index 664b2dd1..6973e04d 100644
--- a/drivers/gpu/nvgpu/common/fb/fb_gv11b.c
+++ b/drivers/gpu/nvgpu/common/fb/fb_gv11b.c
@@ -102,6 +102,8 @@ void gv11b_fb_init_cbc(struct gk20a *g, struct gr_gk20a *gr)
         else
                 compbit_store_iova = nvgpu_mem_get_addr(g,
                                                         &gr->compbit_store.mem);
+        /* must be aligned to 64 KB */
+        compbit_store_iova = roundup(compbit_store_iova, (u64)SZ_64K);
 
         compbit_base_post_divide64 = compbit_store_iova >>
                 fb_mmu_cbc_base_address_alignment_shift_v();
diff --git a/drivers/gpu/nvgpu/common/ltc.c b/drivers/gpu/nvgpu/common/ltc.c
index dec4a80c..1beb1974 100644
--- a/drivers/gpu/nvgpu/common/ltc.c
+++ b/drivers/gpu/nvgpu/common/ltc.c
@@ -52,20 +52,3 @@ void nvgpu_ltc_sync_enabled(struct gk20a *g)
         }
         nvgpu_spinlock_release(&g->ltc_enabled_lock);
 }
-
-int nvgpu_ltc_alloc_cbc(struct gk20a *g, size_t compbit_backing_size)
-{
-        struct gr_gk20a *gr = &g->gr;
-        unsigned long flags = 0;
-
-        if (nvgpu_mem_is_valid(&gr->compbit_store.mem))
-                return 0;
-
-        if (!nvgpu_iommuable(g))
-                flags = NVGPU_DMA_FORCE_CONTIGUOUS;
-
-        return nvgpu_dma_alloc_flags_sys(g,
-                                         flags,
-                                         compbit_backing_size,
-                                         &gr->compbit_store.mem);
-}
diff --git a/drivers/gpu/nvgpu/common/posix/stubs.c b/drivers/gpu/nvgpu/common/posix/stubs.c
index 0fa80bff..1e50930a 100644
--- a/drivers/gpu/nvgpu/common/posix/stubs.c
+++ b/drivers/gpu/nvgpu/common/posix/stubs.c
@@ -26,6 +26,7 @@
  */
 
 #include <nvgpu/ecc.h>
+#include <nvgpu/ltc.h>
 
 #include "gk20a/dbg_gpu_gk20a.h"
 
@@ -41,3 +42,8 @@ int nvgpu_ecc_sysfs_init(struct gk20a *g)
 void nvgpu_ecc_sysfs_remove(struct gk20a *g)
 {
 }
+
+int nvgpu_ltc_alloc_cbc(struct gk20a *g, size_t compbit_backing_size)
+{
+        return 0;
+}