linux-kernel - RE: [PATCH] drm/amd/pm: add missing prototypes to amdgpu_dpm

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Message-ID: <DM6PR12MB26199543AD01C2DA18CCFB64E42C9@DM6PR12MB2619.namprd12.prod.outlook.com>
Date:   Mon, 7 Feb 2022 03:30:01 +0000
From:   "Quan, Evan" <Evan.Quan@....com>
To:     Maíra Canal <maira.canal@....br>,
        "Deucher, Alexander" <Alexander.Deucher@....com>,
        "Koenig, Christian" <Christian.Koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        "airlied@...ux.ie" <airlied@...ux.ie>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        "nathan@...nel.org" <nathan@...nel.org>,
        "ndesaulniers@...gle.com" <ndesaulniers@...gle.com>,
        "Lazar, Lijo" <Lijo.Lazar@....com>,
        "Tuikov, Luben" <Luben.Tuikov@....com>,
        "Chen, Guchun" <Guchun.Chen@....com>,
        "Zhang, Hawking" <Hawking.Zhang@....com>,
        "jiapeng.chong@...ux.alibaba.com" <jiapeng.chong@...ux.alibaba.com>
CC:     "amd-gfx@...ts.freedesktop.org" <amd-gfx@...ts.freedesktop.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] drm/amd/pm: add missing prototypes to amdgpu_dpm_internal

[AMD Official Use Only]

Thanks for the fix!
Reviewed-by: Evan Quan <evan.quan@....com>

> -----Original Message-----
> From: Maíra Canal <maira.canal@....br>
> Sent: Thursday, February 3, 2022 8:40 AM
> To: Quan, Evan <Evan.Quan@....com>; Deucher, Alexander
> <Alexander.Deucher@....com>; Koenig, Christian
> <Christian.Koenig@....com>; Pan, Xinhui <Xinhui.Pan@....com>;
> airlied@...ux.ie; daniel@...ll.ch; nathan@...nel.org;
> ndesaulniers@...gle.com; Lazar, Lijo <Lijo.Lazar@....com>; Tuikov, Luben
> <Luben.Tuikov@....com>; Chen, Guchun <Guchun.Chen@....com>;
> Zhang, Hawking <Hawking.Zhang@....com>;
> jiapeng.chong@...ux.alibaba.com
> Cc: amd-gfx@...ts.freedesktop.org; dri-devel@...ts.freedesktop.org; linux-
> kernel@...r.kernel.org
> Subject: [PATCH] drm/amd/pm: add missing prototypes to
> amdgpu_dpm_internal
> 
> Include the header with the prototype to silence the following clang
> warnings:
> 
> drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_dpm_internal.c:29:6:
> warning: no
> previous prototype for function 'amdgpu_dpm_get_active_displays'
> [-Wmissing-prototypes]
> void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev)
>      ^
> drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_dpm_internal.c:29:1: note:
> declare
> 'static' if the function is not intended to be used outside of this
> translation unit
> void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev)
> ^
> static
> drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_dpm_internal.c:76:5:
> warning: no
> previous prototype for function 'amdgpu_dpm_get_vrefresh'
> [-Wmissing-prototypes]
> u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev)
>     ^
> drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_dpm_internal.c:76:1: note:
> declare
> 'static' if the function is not intended to be used outside of this
> translation unit
> u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev)
> ^
> static
> 2 warnings generated.
> 
> Besides that, remove the duplicated prototype of the function
> amdgpu_dpm_get_vblank_time in order to keep the consistency of the
> headers.
> 
> fixes: 6ddbd37f ("drm/amd/pm: optimize the amdgpu_pm_compute_clocks()
> implementations")
> 
> Signed-off-by: Maíra Canal <maira.canal@....br>
> ---
>  drivers/gpu/drm/amd/pm/amdgpu_dpm_internal.c | 1 +
>  drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h      | 1 -
>  drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c   | 1 +
>  3 files changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm_internal.c
> b/drivers/gpu/drm/amd/pm/amdgpu_dpm_internal.c
> index ba5f6413412d..42efe838fa85 100644
> --- a/drivers/gpu/drm/amd/pm/amdgpu_dpm_internal.c
> +++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm_internal.c
> @@ -25,6 +25,7 @@
>  #include "amdgpu_display.h"
>  #include "hwmgr.h"
>  #include "amdgpu_smu.h"
> +#include "amdgpu_dpm_internal.h"
> 
>  void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev)
>  {
> diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
> b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
> index 5cc05110cdae..09790413cbc4 100644
> --- a/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
> +++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h
> @@ -343,7 +343,6 @@ struct amdgpu_pm {
>  	struct amdgpu_ctx       *stable_pstate_ctx;
>  };
> 
> -u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev);
>  int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum
> amd_pp_sensors sensor,
>  			   void *data, uint32_t *size);
> 
> diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
> b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
> index 7427c50409d4..caae54487f9c 100644
> --- a/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
> +++ b/drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c
> @@ -28,6 +28,7 @@
>  #include "amdgpu_pm.h"
>  #include "amdgpu_dpm.h"
>  #include "amdgpu_atombios.h"
> +#include "amdgpu_dpm_internal.h"
>  #include "amd_pcie.h"
>  #include "sid.h"
>  #include "r600_dpm.h"
> --
> 2.34.1