Commit d6d07ca1 authored Dec 02, 2019 by Guenter Roeck Committed by Lyude Paul Dec 03, 2019

drm/dp_mst: Fix build on systems with STACKTRACE_SUPPORT=n



On systems with STACKTRACE_SUPPORT=n, we get:

WARNING: unmet direct dependencies detected for STACKTRACE
  Depends on [n]: STACKTRACE_SUPPORT
  Selected by [y]:
  - STACKDEPOT [=y]

and build errors such as:

m68k-linux-ld: kernel/stacktrace.o: in function `stack_trace_save':
(.text+0x11c): undefined reference to `save_stack_trace'

Add the missing deendency on STACKTRACE_SUPPORT.

Fixes: 12a280c7 ("drm/dp_mst: Add topology ref history tracking for debugging")
Cc: Lyude Paul <lyude@redhat.com>
Cc: Sean Paul <sean@poorly.run>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191202133650.11964-1-linux@roeck-us.net

parent 1591fadf

drivers/gpu/drm/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -95,6 +95,7 @@ config DRM_KMS_FB_HELPER

		config DRM_DEBUG_DP_MST_TOPOLOGY_REFS
		bool "Enable refcount backtrace history in the DP MST helpers"
		depends on STACKTRACE_SUPPORT
		select STACKDEPOT
		depends on DRM_KMS_HELPER
		depends on DEBUG_KERNEL

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