mirror of https://gitee.com/openkylin/linux.git
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 <linux/stacktrace.h>, so there is need to include it, and <linux/stackdepot.h> is already included by practices, so just replace <linux/stackdepot.h> by <linux/stacktrace.h>. Signed-off-by: Chenwandun <chenwandun@huawei.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Acked-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/1572515029-42087-1-git-send-email-chenwandun@huawei.com
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@ -29,7 +29,7 @@
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#include <linux/seq_file.h>
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#if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS)
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#include <linux/stackdepot.h>
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#include <linux/stacktrace.h>
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#include <linux/sort.h>
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#include <linux/timekeeping.h>
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#include <linux/math64.h>
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