linux-kernel - Re: linux-next: build warnings after merge of the drm-misc tree

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Date:   Fri, 15 Jan 2021 16:03:59 +0100
From:   Nirmoy <nirmodas@....com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Intel Graphics <intel-gfx@...ts.freedesktop.org>,
        DRI <dri-devel@...ts.freedesktop.org>
Cc:     Thomas Zimmermann <tzimmermann@...e.de>,
        Christian König <christian.koenig@....com>,
        Darren Salt <devspam@...eofthesa.me.uk>,
        Nirmoy Das <nirmoy.das@....com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warnings after merge of the drm-misc tree

Hi Stephen,

On 1/15/21 2:23 AM, Stephen Rothwell wrote:
> Hi all,
>
> After merging the drm-misc tree, today's linux-next build (x86_64
> allmodconfig) produced this warning:
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_display.c: In function 'amdgpu_display_user_framebuffer_create':
> drivers/gpu/drm/amd/amdgpu/amdgpu_display.c:929:24: warning: unused variable 'adev' [-Wunused-variable]
>    929 |  struct amdgpu_device *adev = drm_to_adev(dev);
>        |                        ^~~~
>
> Introduced by commit
>
>    8f66090b7bb7 ("drm/amdgpu: Remove references to struct drm_device.pdev")


I just sent a patch for this.


>
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c: In function 'amdgpu_device_resize_fb_bar':
> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:1109:6: warning: unused variable 'space_needed' [-Wunused-variable]
>   1109 |  u64 space_needed = roundup_pow_of_two(adev->gmc.real_vram_size);
>        |      ^~~~~~~~~~~~
>
> Introduced by commit
>
>    453f617a30aa ("drm/amdgpu: Resize BAR0 to the maximum available size, even if it doesn't cover VRAM")


We have a fix already merged in drm-misc-next for this.


Thanks,

Nirmoy

>