diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v7_1.c b/drivers/gpu/drm/amd/amdgpu/sdma_v7_1.c
index 3de76afe3e45..03bf1f86098f 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v7_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v7_1.c
@@ -1745,10 +1745,10 @@ static void sdma_v7_1_emit_fill_buffer(struct amdgpu_ib *ib,
 }
 
 static const struct amdgpu_buffer_funcs sdma_v7_1_buffer_funcs = {
-	.copy_max_bytes = 0x400000,
+	.copy_max_bytes = 1 << 30,
 	.copy_num_dw = 8,
 	.emit_copy_buffer = sdma_v7_1_emit_copy_buffer,
-	.fill_max_bytes = 0x400000,
+	.fill_max_bytes = 1 << 30,
 	.fill_num_dw = 5,
 	.emit_fill_buffer = sdma_v7_1_emit_fill_buffer,
 };