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@xxxxxxxxxx>
---
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
