linux-kernel - [PATCH -next] drm/vc4: Fix build error when CONFIG_DRM_VC4=y && CONFIG_RASPBERRYPI

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Message-ID: <20220324072542.1238122-1-zhengbin13@huawei.com>
Date:   Thu, 24 Mar 2022 15:25:42 +0800
From:   Zheng Bin <zhengbin13@...wei.com>
To:     <emma@...olt.net>, <mripard@...nel.org>, <airlied@...ux.ie>,
        <daniel@...ll.ch>, <dri-devel@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>
CC:     <limingming.li@...wei.com>, <tangyizhou@...wei.com>
Subject: [PATCH -next] drm/vc4: Fix build error when CONFIG_DRM_VC4=y && CONFIG_RASPBERRYPI_FIRMWARE=m

If CONFIG_DRM_VC4=y, CONFIG_RASPBERRYPI_FIRMWARE=m, CONFIG_COMPILE_TEST=n,
bulding fails:

drivers/gpu/drm/vc4/vc4_drv.o: In function `vc4_drm_bind':
vc4_drv.c:(.text+0x320): undefined reference to `rpi_firmware_get'
vc4_drv.c:(.text+0x320): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `rpi_firmware_get'
vc4_drv.c:(.text+0x34c): undefined reference to `rpi_firmware_property'
vc4_drv.c:(.text+0x34c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `rpi_firmware_property'
vc4_drv.c:(.text+0x354): undefined reference to `rpi_firmware_put'
vc4_drv.c:(.text+0x354): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `rpi_firmware_put'

Make DRM_VC4 depends on RASPBERRYPI_FIRMWARE to fix this.

Fixes: c406ad5e4a85 ("drm/vc4: Notify the firmware when DRM is in charge")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zheng Bin <zhengbin13@...wei.com>
---
 drivers/gpu/drm/vc4/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vc4/Kconfig b/drivers/gpu/drm/vc4/Kconfig
index de3424fed2fc..640907945b5b 100644
--- a/drivers/gpu/drm/vc4/Kconfig
+++ b/drivers/gpu/drm/vc4/Kconfig
@@ -1,7 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config DRM_VC4
 	tristate "Broadcom VC4 Graphics"
-	depends on ARCH_BCM || ARCH_BCM2835 || COMPILE_TEST
+	depends on ((ARCH_BCM || ARCH_BCM2835) && \
+		    RASPBERRYPI_FIRMWARE) || COMPILE_TEST
 	depends on DRM
 	depends on SND && SND_SOC
 	depends on COMMON_CLK
--
2.31.1