linux-kernel - Re: [PATCH 04/12] drm/amd/display: Remove unused dml32_CalculatedoublePipeDPPCLKAndSCLThroughput function

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Message-ID: <CADnq5_M5UjWbN2N=zr-BGRcha-2Q+jSC5MXScU+nt6LD=_fs8w@mail.gmail.com>
Date:   Mon, 18 Jul 2022 14:54:24 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Maíra Canal <mairacanal@...eup.net>
Cc:     Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian Koenig <christian.koenig@....com>,
        xinhui pan <Xinhui.Pan@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Nicholas Kazlauskas <nicholas.kazlauskas@....com>,
        Dmytro Laktyushkin <Dmytro.Laktyushkin@....com>,
        Aurabindo Pillai <aurabindo.pillai@....com>,
        Magali Lemes <magalilemes00@...il.com>,
        Tales Lelo da Aparecida <tales.aparecida@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Melissa Wen <mwen@...lia.com>,
        Isabella Basso <isabbasso@...eup.net>, andrealmeid@...eup.net
Subject: Re: [PATCH 04/12] drm/amd/display: Remove unused dml32_CalculatedoublePipeDPPCLKAndSCLThroughput
 function

Applied.  Thanks!

Alex

On Thu, Jul 14, 2022 at 12:45 PM Maíra Canal <mairacanal@...eup.net> wrote:
>
> Remove dml32_CalculatedoublePipeDPPCLKAndSCLThroughput function, which is not used in
> the codebase.
>
> This was pointed by clang with the following warning:
>
> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_util_32.c:393:6:
> warning: no previous prototype for function
> 'dml32_CalculatedoublePipeDPPCLKAndSCLThroughput' [-Wmissing-prototypes]
> void dml32_CalculatedoublePipeDPPCLKAndSCLThroughput(
>      ^
> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_util_32.c:393:1:
> note: declare 'static' if the function is not intended to be used outside of
> this translation unit
> void dml32_CalculatedoublePipeDPPCLKAndSCLThroughput(
> ^
> static
> 1 warning generated.
>
> Signed-off-by: Maíra Canal <mairacanal@...eup.net>
> ---
>  .../dc/dml/dcn32/display_mode_vba_util_32.c   | 54 -------------------
>  1 file changed, 54 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
> index 5a701d9df0f7..4d62ab0c1a78 100644
> --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
> +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
> @@ -390,60 +390,6 @@ void dml32_CalculateBytePerPixelAndBlockSizes(
>  #endif
>  } // CalculateBytePerPixelAndBlockSizes
>
> -void dml32_CalculatedoublePipeDPPCLKAndSCLThroughput(
> -               double HRatio,
> -               double HRatioChroma,
> -               double VRatio,
> -               double VRatioChroma,
> -               double MaxDCHUBToPSCLThroughput,
> -               double MaxPSCLToLBThroughput,
> -               double PixelClock,
> -               enum source_format_class SourcePixelFormat,
> -               unsigned int HTaps,
> -               unsigned int HTapsChroma,
> -               unsigned int VTaps,
> -               unsigned int VTapsChroma,
> -
> -               /* output */
> -               double *PSCL_THROUGHPUT,
> -               double *PSCL_THROUGHPUT_CHROMA,
> -               double *DPPCLKUsingdoubleDPP)
> -{
> -       double DPPCLKUsingdoubleDPPLuma;
> -       double DPPCLKUsingdoubleDPPChroma;
> -
> -       if (HRatio > 1) {
> -               *PSCL_THROUGHPUT = dml_min(MaxDCHUBToPSCLThroughput, MaxPSCLToLBThroughput * HRatio /
> -                               dml_ceil((double) HTaps / 6.0, 1.0));
> -       } else {
> -               *PSCL_THROUGHPUT = dml_min(MaxDCHUBToPSCLThroughput, MaxPSCLToLBThroughput);
> -       }
> -
> -       DPPCLKUsingdoubleDPPLuma = PixelClock * dml_max3(VTaps / 6 * dml_min(1, HRatio), HRatio * VRatio /
> -                       *PSCL_THROUGHPUT, 1);
> -
> -       if ((HTaps > 6 || VTaps > 6) && DPPCLKUsingdoubleDPPLuma < 2 * PixelClock)
> -               DPPCLKUsingdoubleDPPLuma = 2 * PixelClock;
> -
> -       if ((SourcePixelFormat != dm_420_8 && SourcePixelFormat != dm_420_10 && SourcePixelFormat != dm_420_12 &&
> -                       SourcePixelFormat != dm_rgbe_alpha)) {
> -               *PSCL_THROUGHPUT_CHROMA = 0;
> -               *DPPCLKUsingdoubleDPP = DPPCLKUsingdoubleDPPLuma;
> -       } else {
> -               if (HRatioChroma > 1) {
> -                       *PSCL_THROUGHPUT_CHROMA = dml_min(MaxDCHUBToPSCLThroughput, MaxPSCLToLBThroughput *
> -                                       HRatioChroma / dml_ceil((double) HTapsChroma / 6.0, 1.0));
> -               } else {
> -                       *PSCL_THROUGHPUT_CHROMA = dml_min(MaxDCHUBToPSCLThroughput, MaxPSCLToLBThroughput);
> -               }
> -               DPPCLKUsingdoubleDPPChroma = PixelClock * dml_max3(VTapsChroma / 6 * dml_min(1, HRatioChroma),
> -                               HRatioChroma * VRatioChroma / *PSCL_THROUGHPUT_CHROMA, 1);
> -               if ((HTapsChroma > 6 || VTapsChroma > 6) && DPPCLKUsingdoubleDPPChroma < 2 * PixelClock)
> -                       DPPCLKUsingdoubleDPPChroma = 2 * PixelClock;
> -               *DPPCLKUsingdoubleDPP = dml_max(DPPCLKUsingdoubleDPPLuma, DPPCLKUsingdoubleDPPChroma);
> -       }
> -}
> -
>  void dml32_CalculateSwathAndDETConfiguration(
>                 unsigned int DETSizeOverride[],
>                 enum dm_use_mall_for_pstate_change_mode UseMALLForPStateChange[],
> --
> 2.36.1
>