drm/amdgpu/vcn: fix compilation issue with legacy gcc

This patch is used to fix following compilation issue with legacy gcc
error: ‘for’ loop initial declarations are only allowed in C99 mode
	for (int i = 0; i < adev->vcn.num_vcn_inst; ++i) {

Signed-off-by: bobzhou <bob.zhou@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index 023a1ff..43d5874 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -78,10 +78,11 @@ static void vcn_v4_0_set_ras_funcs(struct amdgpu_device *adev);
 static int vcn_v4_0_early_init(void *handle)
 {
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+       int i;
 
        if (amdgpu_sriov_vf(adev)) {
                adev->vcn.harvest_config = VCN_HARVEST_MMSCH;
-               for (int i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+               for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
                        if (amdgpu_vcn_is_disabled_vcn(adev, VCN_ENCODE_RING, i)) {
                                adev->vcn.harvest_config |= 1 << i;
                                dev_info(adev->dev, "VCN%d is disabled by hypervisor\n", i);