On 2019-09-18 3:53 p.m., Arnd Bergmann wrote:
> Without CONFIG_DEBUG_FS, we get a warning for an unused
> variable:
>
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:6020:33: error: unused variable 'source' [-Werror,-Wunused-variable]
>
> Hide the variable in an #ifdef like its only users.
>
> Fixes: 14b2584636c6 ("drm/amd/display: add functionality to grab DPRX CRC entries.")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
Harry
> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index e1b09bb432bd..74252f57bafb 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -6017,7 +6017,9 @@ static void amdgpu_dm_enable_crtc_interrupts(struct drm_device *dev,
> struct drm_crtc *crtc;
> struct drm_crtc_state *old_crtc_state, *new_crtc_state;
> int i;
> +#ifdef CONFIG_DEBUG_FS
> enum amdgpu_dm_pipe_crc_source source;
> +#endif
>
> for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state,
> new_crtc_state, i) {
>
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