diff --git a/sys/dev/drm/amd/amdgpu/psp_v11_0.c b/sys/dev/drm/amd/amdgpu/psp_v11_0.c
--- a/sys/dev/drm/amd/amdgpu/psp_v11_0.c
+++ b/sys/dev/drm/amd/amdgpu/psp_v11_0.c
@@ -495,7 +495,7 @@
 
 	WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
 
-	ucode_size = ucode->ucode_size;
+	ucode_size = ucode->ucode_size & ~0x3;
 	ucode_mem = (uint32_t *)ucode->kaddr;
 	while (ucode_size) {
 		fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);