linux-kernel - Re: [PATCH 16/40] drm/amd/amdgpu/gfx_v10_0: Remove a bunch of set but unused variables

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Message-ID: <CADnq5_Nhc-deK-BY_ede4Rbzru0U1xNy2X0nQ+9ZJU5BOz-uEw@mail.gmail.com>
Date:   Mon, 30 Nov 2020 17:20:09 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     David Airlie <airlied@...ux.ie>,
        LKML <linux-kernel@...r.kernel.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Christian König <christian.koenig@....com>,
        "moderated list:DMA BUFFER SHARING FRAMEWORK" 
        <linaro-mm-sig@...ts.linaro.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        Alex Deucher <alexander.deucher@....com>,
        linux-media <linux-media@...r.kernel.org>
Subject: Re: [PATCH 16/40] drm/amd/amdgpu/gfx_v10_0: Remove a bunch of set but
 unused variables

On Tue, Nov 24, 2020 at 2:44 PM Lee Jones <lee.jones@...aro.org> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
>  drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c: In function ‘gfx_v10_rlcg_wreg’:
>  drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:1416:18: warning: variable ‘grbm_idx’ set but not used [-Wunused-but-set-variable]
>  drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:1415:18: warning: variable ‘grbm_cntl’ set but not used [-Wunused-but-set-variable]
>  drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:1413:15: warning: variable ‘scratch_reg3’ set but not used [-Wunused-but-set-variable]
>  drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:1412:15: warning: variable ‘scratch_reg2’ set but not used [-Wunused-but-set-variable]
>
> Cc: Alex Deucher <alexander.deucher@....com>
> Cc: "Christian König" <christian.koenig@....com>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: Sumit Semwal <sumit.semwal@...aro.org>
> Cc: amd-gfx@...ts.freedesktop.org
> Cc: dri-devel@...ts.freedesktop.org
> Cc: linux-media@...r.kernel.org
> Cc: linaro-mm-sig@...ts.linaro.org
> Signed-off-by: Lee Jones <lee.jones@...aro.org>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 9 ---------
>  1 file changed, 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> index a6d03931f7fa4..d4760f4e269a1 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
> @@ -1409,23 +1409,14 @@ static void gfx_v10_rlcg_wreg(struct amdgpu_device *adev, u32 offset, u32 v)
>  {
>         static void *scratch_reg0;
>         static void *scratch_reg1;
> -       static void *scratch_reg2;
> -       static void *scratch_reg3;
>         static void *spare_int;
> -       static uint32_t grbm_cntl;
> -       static uint32_t grbm_idx;
>         uint32_t i = 0;
>         uint32_t retries = 50000;
>
>         scratch_reg0 = adev->rmmio + (adev->reg_offset[GC_HWIP][0][mmSCRATCH_REG0_BASE_IDX] + mmSCRATCH_REG0)*4;
>         scratch_reg1 = adev->rmmio + (adev->reg_offset[GC_HWIP][0][mmSCRATCH_REG1_BASE_IDX] + mmSCRATCH_REG1)*4;
> -       scratch_reg2 = adev->rmmio + (adev->reg_offset[GC_HWIP][0][mmSCRATCH_REG1_BASE_IDX] + mmSCRATCH_REG2)*4;
> -       scratch_reg3 = adev->rmmio + (adev->reg_offset[GC_HWIP][0][mmSCRATCH_REG1_BASE_IDX] + mmSCRATCH_REG3)*4;
>         spare_int = adev->rmmio + (adev->reg_offset[GC_HWIP][0][mmRLC_SPARE_INT_BASE_IDX] + mmRLC_SPARE_INT)*4;
>
> -       grbm_cntl = adev->reg_offset[GC_HWIP][0][mmGRBM_GFX_CNTL_BASE_IDX] + mmGRBM_GFX_CNTL;
> -       grbm_idx = adev->reg_offset[GC_HWIP][0][mmGRBM_GFX_INDEX_BASE_IDX] + mmGRBM_GFX_INDEX;
> -
>         if (amdgpu_sriov_runtime(adev)) {
>                 pr_err("shouldn't call rlcg write register during runtime\n");
>                 return;
> --
> 2.25.1
>
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> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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