Re: [PATCH 30/40] drm/amd/display/dc/dce/dce_dmcu: Move 'abm_gain_stepsize' to only source file it's used in

[Alex Deucher]

On Fri, Jan 8, 2021 at 3:15 PM Lee Jones <lee.jones@xxxxxxxxxx> wrote:
>
> And only declare it if it's to be used.
>
> Fixes the following W=1 kernel build warning(s):
>
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning: ‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning: ‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning: ‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning: ‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning: ‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning: ‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_dmcu.h:320:23: warning: ‘abm_gain_stepsize’ defined but not used [-Wunused-const-variable=]
>
> Cc: Harry Wentland <harry.wentland@xxxxxxx>
> Cc: Leo Li <sunpeng.li@xxxxxxx>
> Cc: Alex Deucher <alexander.deucher@xxxxxxx>
> Cc: "Christian König" <christian.koenig@xxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: Mauro Rossi <issor.oruam@xxxxxxxxx>
> Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c | 4 ++++
>  drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h | 2 --
>  2 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
> index fa2b47d41ee2f..30264fc151a2b 100644
> --- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
> +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
> @@ -65,6 +65,10 @@
>  //Register access policy version
>  #define mmMP0_SMN_C2PMSG_91                            0x1609B
>
> +#if defined(CONFIG_DRM_AMD_DC_DCN)
> +static const uint32_t abm_gain_stepsize = 0x0060;
> +#endif
> +
>  static bool dce_dmcu_init(struct dmcu *dmcu)
>  {
>         // Do nothing
> diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h
> index 93e7f34d4775e..cefb7f5bf42cc 100644
> --- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h
> +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h
> @@ -317,6 +317,4 @@ struct dmcu *dcn21_dmcu_create(
>
>  void dce_dmcu_destroy(struct dmcu **dmcu);
>
> -static const uint32_t abm_gain_stepsize = 0x0060;
> -
>  #endif /* _DCE_ABM_H_ */
> --
> 2.25.1
>
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