linux-kernel - [PATCH] drm/panic: Select ZLIB_DEFLATE for DRM_PANIC_SCREEN_QR

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Message-ID: <20241003230734.653717-1-ojeda@kernel.org>
Date: Fri,  4 Oct 2024 01:07:34 +0200
From: Miguel Ojeda <ojeda@...nel.org>
To: Jocelyn Falempe <jfalempe@...hat.com>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>
Cc: dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	patches@...ts.linux.dev,
	Miguel Ojeda <ojeda@...nel.org>
Subject: [PATCH] drm/panic: Select ZLIB_DEFLATE for DRM_PANIC_SCREEN_QR_CODE

Under `CONFIG_DRM_PANIC_SCREEN_QR_CODE=y`, zlib is used:

    ld.lld: error: undefined symbol: zlib_deflate_workspacesize
    >>> referenced by drm_panic.c
    >>>               drivers/gpu/drm/drm_panic.o:(drm_panic_qr_init) in archive vmlinux.a

Thus select `CONFIG_ZLIB_DEFLATE`.

Fixes: cb5164ac43d0 ("drm/panic: Add a QR code panic screen")
Signed-off-by: Miguel Ojeda <ojeda@...nel.org>
---
 drivers/gpu/drm/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 1cb5a4f19293..cf5bc77e2362 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -152,6 +152,7 @@ config DRM_PANIC_SCREEN
 config DRM_PANIC_SCREEN_QR_CODE
 	bool "Add a panic screen with a QR code"
 	depends on DRM_PANIC && RUST
+	select ZLIB_DEFLATE
 	help
 	  This option adds a QR code generator, and a panic screen with a QR
 	  code. The QR code will contain the last lines of kmsg and other debug
--
2.46.2