drm/amdgpu: check rlc_g firmware pointer is valid before using it (b4df2823) · Commits · 戴 / test

In SRIOV, rlc_g firmware is loaded by host, guest driver won't load it which will cause the rlc_fw pointer is null Signed-off-by:

drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

+5 −4

Original line number	Diff line number	Diff line
		@@ -822,10 +822,11 @@ static int gfx_v10_0_init_microcode(struct amdgpu_device *adev)
		info = &adev->firmware.ucode[AMDGPU_UCODE_ID_RLC_G];
		info->ucode_id = AMDGPU_UCODE_ID_RLC_G;
		info->fw = adev->gfx.rlc_fw;
		if (info->fw) {
		header = (const struct common_firmware_header *)info->fw->data;
		adev->firmware.fw_size +=
		ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);

		}
		if (adev->gfx.rlc.is_rlc_v2_1 &&
		adev->gfx.rlc.save_restore_list_cntl_size_bytes &&
		adev->gfx.rlc.save_restore_list_gpm_size_bytes &&