From 68acde7629d75d460760a3124c52f358eecc6d26 Mon Sep 17 00:00:00 2001 From: Chenwandun Date: Thu, 31 Oct 2019 17:43:49 +0800 Subject: [PATCH] drm/dp_mst: fix gcc compile error drivers/gpu/drm/drm_dp_mst_topology.c: In function __topology_ref_save: drivers/gpu/drm/drm_dp_mst_topology.c:1424:6: error: implicit declaration of function stack_trace_save; did you mean stack_depot_save? [-Werror=implicit-function-declaration] n = stack_trace_save(stack_entries, ARRAY_SIZE(stack_entries), 1); ^~~~~~~~~~~~~~~~ stack_depot_save drivers/gpu/drm/drm_dp_mst_topology.c: In function __dump_topology_ref_history: drivers/gpu/drm/drm_dp_mst_topology.c:1513:3: error: implicit declaration of function stack_trace_snprint; did you mean acpi_trace_point? [-Werror=implicit-function-declaration] stack_trace_snprint(buf, PAGE_SIZE, entries, nr_entries, 4); ^~~~~~~~~~~~~~~~~~~ acpi_trace_point stack_trace_save and stack_trace_snprint are declared in , so there is need to include it, and is already included by practices, so just replace by . Signed-off-by: Chenwandun Reviewed-by: Lyude Paul Acked-by: Daniel Vetter Signed-off-by: Dave Airlie Link: https://patchwork.freedesktop.org/patch/msgid/1572515029-42087-1-git-send-email-chenwandun@huawei.com --- drivers/gpu/drm/drm_dp_mst_topology.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 85bef73a6763..11adc4b6ccfe 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -29,7 +29,7 @@ #include #if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS) -#include +#include #include #include #include