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drm/i915/fence: Mark debug_fence_init_onstack() with __maybe_unused

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[ Upstream commit fcd9e8afd546f6ced378d078345a89bf346d065e ]

When debug_fence_init_onstack() is unused (CONFIG_DRM_I915_SELFTEST=n),
it prevents kernel builds with clang, `make W=1` and CONFIG_WERROR=y:

.../i915_sw_fence.c:97:20: error: unused function 'debug_fence_init_onstack' [-Werror,-Wunused-function]
   97 | static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
      |                    ^~~~~~~~~~~~~~~~~~~~~~~~

Fix this by marking debug_fence_init_onstack() with __maybe_unused.

See also commit 6863f5643d ("kbuild: allow Clang to find unused static
inline functions for W=1 build").

Fixes: 214707fc2c ("drm/i915/selftests: Wrap a timer into a i915_sw_fence")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240829155950.1141978-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 5bf472058ffb43baf6a4cdfe1d7f58c4c194c688)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Andy Shevchenko 2024-08-29 18:58:37 +03:00 • committed by Greg Kroah-Hartman
parent 03e1fd0327
commit c4f8a84a2b
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/i915_sw_fence.c
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@ -38,7 +38,7 @@ static inline void debug_fence_init(struct i915_sw_fence *fence)
debug_object_init(fence, &i915_sw_fence_debug_descr);
}
static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
static inline __maybe_unused void debug_fence_init_onstack(struct i915_sw_fence *fence)
{
debug_object_init_on_stack(fence, &i915_sw_fence_debug_descr);
}
@ -81,7 +81,7 @@ static inline void debug_fence_init(struct i915_sw_fence *fence)
{
}
static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
static inline __maybe_unused void debug_fence_init_onstack(struct i915_sw_fence *fence)
{
}