Re: [PATCH] drm/amd/display: Fix unused variable warning

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Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

On Wed, Jan 26, 2022 at 10:34 PM Tim Huang <tim.huang@xxxxxxx> wrote:
>
> [Why]
> It will build failed with unused variable 'dc' with
> '-Werror=unused-variable'enabled when CONFIG_DRM_AMD_DC_DCN
> is not defined.
>
> Signed-off-by: Tim Huang <tim.huang@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> 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 1057f976bec7..8f53c9f6b267 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -1027,7 +1027,6 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
>         const unsigned char *fw_inst_const, *fw_bss_data;
>         uint32_t i, fw_inst_const_size, fw_bss_data_size;
>         bool has_hw_support;
> -       struct dc *dc = adev->dm.dc;
>
>         if (!dmub_srv)
>                 /* DMUB isn't supported on the ASIC. */
> @@ -1123,7 +1122,7 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
>         case IP_VERSION(3, 1, 3): /* Only for this asic hw internal rev B0 */
>                 hw_params.dpia_supported = true;
>  #if defined(CONFIG_DRM_AMD_DC_DCN)
> -               hw_params.disable_dpia = dc->debug.dpia_debug.bits.disable_dpia;
> +               hw_params.disable_dpia = adev->dm.dc->debug.dpia_debug.bits.disable_dpia;
>  #endif
>                 break;
>         default:
> --
> 2.25.1
>



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