Reviewed-by: Guchun Chen <guchun.chen@xxxxxxx> Regards, Guchun -----Original Message----- From: Song, Asher <Asher.Song@xxxxxxx> Sent: Tuesday, September 27, 2022 11:38 AM To: Chen, Guchun <Guchun.Chen@xxxxxxx>; Cui, Flora <Flora.Cui@xxxxxxx>; Shi, Leslie <Yuliang.Shi@xxxxxxx>; Ma, Jun <Jun.Ma2@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx Cc: Song, Asher <Asher.Song@xxxxxxx> Subject: [PATCH] drm/amdgpu: fix a compiling error in old kernels 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@xxxxxxx> --- 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); -- 2.25.1