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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Randy Dunlap <rdunlap@infradead.org>,
        kernel test robot <lkp@intel.com>,
        Dillon Min <dillon.minfei@gmail.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Sam Ravnborg <sam@ravnborg.org>,
        =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        Thierry Reding <thierry.reding@gmail.com>,
        dri-devel@lists.freedesktop.org, David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.10 154/390] drm: fix drm_mipi_dbi build errors
Date:   Mon, 24 Oct 2022 13:29:11 +0200
Message-Id: <20221024113029.232783928@linuxfoundation.org>
In-Reply-To: <20221024113022.510008560@linuxfoundation.org>
References: <20221024113022.510008560@linuxfoundation.org>
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From: Randy Dunlap <rdunlap@infradead.org>

[ Upstream commit eb7de496451bd969e203f02f66585131228ba4ae ]

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@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Dillon Min <dillon.minfei@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220823004243.11596-1-rdunlap@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index ca868271f4c4..4e9b3a95fa7c 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -30,6 +30,7 @@ menuconfig DRM
 config DRM_MIPI_DBI
 	tristate
 	depends on DRM
+	select DRM_KMS_HELPER
 
 config DRM_MIPI_DSI
 	bool
-- 
2.35.1