[PATCH] drm/amdgpu: fix a compiling error in old kernels

[Christian König]

Am 27.09.22 um 05:37 schrieb Asher Song:
> This patch is used to fix following compiling error that occurs in some
> old kernels.
>
> error: ‘for’ loop initial declarations are only allowed in C99 mode
>    for (int i = 0; i < dc->res_pool->res_cap->num_dsc; i++) {
>
> Signed-off-by: Asher Song <Asher.Song at amd.com>

Reviewed-by: Christian König <christian.koenig at amd.com>

> ---
>   drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
> index 772ad200c5da..c91fcde7a16c 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
> @@ -1405,8 +1405,9 @@ void dcn32_update_dsc_pg(struct dc *dc,
>   		bool safe_to_disable)
>   {
>   	struct dce_hwseq *hws = dc->hwseq;
> +	int i;
>   
> -	for (int i = 0; i < dc->res_pool->res_cap->num_dsc; i++) {
> +	for (i = 0; i < dc->res_pool->res_cap->num_dsc; i++) {
>   		struct display_stream_compressor *dsc = dc->res_pool->dscs[i];
>   		bool is_dsc_ungated = hws->funcs.dsc_pg_status(hws, dsc->inst);
>