linux-kernel - Re: [PATCH 2/2] drm: fix drm_mipi

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Date:   Fri, 26 Aug 2022 13:42:30 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org, kernel test robot <lkp@...el.com>,
        Dillon Min <dillon.minfei@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Noralf Trønnes <noralf@...nnes.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Thierry Reding <thierry.reding@...il.com>,
        dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Subject: Re: [PATCH 2/2] drm: fix drm_mipi_dbi build errors

On Tue, Aug 23, 2022 at 2:42 AM Randy Dunlap <rdunlap@...radead.org> wrote:

> drm_mipi_dbi needs lots of DRM_KMS_HELPER support, so select
> that Kconfig symbol like it is done is most other uses, and
> the way that it was before MIPS_DBI was moved from tinydrm
> to its core location.
>
> Fixes these build errors:
>
> ld: drivers/gpu/drm/drm_mipi_dbi.o: in function `mipi_dbi_buf_copy':
> drivers/gpu/drm/drm_mipi_dbi.c:205: undefined reference to `drm_gem_fb_get_obj'
> ld: drivers/gpu/drm/drm_mipi_dbi.c:211: undefined reference to `drm_gem_fb_begin_cpu_access'
> ld: drivers/gpu/drm/drm_mipi_dbi.c:215: undefined reference to `drm_gem_fb_vmap'
> ld: drivers/gpu/drm/drm_mipi_dbi.c:222: undefined reference to `drm_fb_swab'
> ld: drivers/gpu/drm/drm_mipi_dbi.c:224: undefined reference to `drm_fb_memcpy'
> ld: drivers/gpu/drm/drm_mipi_dbi.c:227: undefined reference to `drm_fb_xrgb8888_to_rgb565'
> ld: drivers/gpu/drm/drm_mipi_dbi.c:235: undefined reference to `drm_gem_fb_vunmap'
> ld: drivers/gpu/drm/drm_mipi_dbi.c:237: undefined reference to `drm_gem_fb_end_cpu_access'
> ld: drivers/gpu/drm/drm_mipi_dbi.o: in function `mipi_dbi_dev_init_with_formats':
> ld: drivers/gpu/drm/drm_mipi_dbi.o:/X64/../drivers/gpu/drm/drm_mipi_dbi.c:469: undefined reference to `drm_gem_fb_create_with_dirty'
>
> Fixes: 174102f4de23 ("drm/tinydrm: Move mipi-dbi")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Reported-by: kernel test robot <lkp@...el.com>
> Cc: Dillon Min <dillon.minfei@...il.com>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: Sam Ravnborg <sam@...nborg.org>
> Cc: Noralf Trønnes <noralf@...nnes.org>
> Cc: Thomas Zimmermann <tzimmermann@...e.de>
> Cc: Thierry Reding <thierry.reding@...il.com>
> Cc: dri-devel@...ts.freedesktop.org
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>

Patch applied to drm-misc-next

Yours,
Linus Walleij