* [PATCH] drm/bridge: lt8713sx select CONFIG_CRC8
@ 2026-03-18 10:51 Arnd Bergmann
2026-03-25 2:20 ` Dmitry Baryshkov
2026-03-25 2:31 ` Dmitry Baryshkov
0 siblings, 2 replies; 3+ messages in thread
From: Arnd Bergmann @ 2026-03-18 10:51 UTC (permalink / raw)
To: Andrzej Hajda, Neil Armstrong, Robert Foss, Maarten Lankhorst,
Maxime Ripard, Thomas Zimmermann, David Airlie, Simona Vetter,
Dmitry Baryshkov, Vishnu Saini, Prahlad Valluru
Cc: Arnd Bergmann, Laurent Pinchart, Jonas Karlman, Jernej Skrabec,
Chen-Yu Tsai, Eric Biggers, dri-devel, linux-kernel
From: Arnd Bergmann <arnd@arndb.de>
CRC8 needs to be enabled for lt8713sx to build:
ld.lld-22: error: undefined symbol: crc8_populate_msb
>>> referenced by lontium-lt8713sx.c
>>> drivers/gpu/drm/bridge/lontium-lt8713sx.o:(lt8713sx_probe) in archive vmlinux.a
Fixes: 4037c6adc1f9 ("drm/bridge: add support for lontium lt8713sx bridge driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/gpu/drm/bridge/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index 81e5f719e403..6ad71686ea96 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -195,6 +195,7 @@ config DRM_LONTIUM_LT9611UXC
config DRM_LONTIUM_LT8713SX
tristate "Lontium LT8713SX DP MST bridge"
depends on OF
+ select CRC8
select REGMAP_I2C
help
Driver for Lontium LT8713SX DP MST bridge
--
2.39.5
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] drm/bridge: lt8713sx select CONFIG_CRC8
2026-03-18 10:51 [PATCH] drm/bridge: lt8713sx select CONFIG_CRC8 Arnd Bergmann
@ 2026-03-25 2:20 ` Dmitry Baryshkov
2026-03-25 2:31 ` Dmitry Baryshkov
1 sibling, 0 replies; 3+ messages in thread
From: Dmitry Baryshkov @ 2026-03-25 2:20 UTC (permalink / raw)
To: Arnd Bergmann
Cc: Andrzej Hajda, Neil Armstrong, Robert Foss, Maarten Lankhorst,
Maxime Ripard, Thomas Zimmermann, David Airlie, Simona Vetter,
Vishnu Saini, Prahlad Valluru, Arnd Bergmann, Laurent Pinchart,
Jonas Karlman, Jernej Skrabec, Chen-Yu Tsai, Eric Biggers,
dri-devel, linux-kernel
On Wed, Mar 18, 2026 at 11:51:15AM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> CRC8 needs to be enabled for lt8713sx to build:
>
> ld.lld-22: error: undefined symbol: crc8_populate_msb
> >>> referenced by lontium-lt8713sx.c
> >>> drivers/gpu/drm/bridge/lontium-lt8713sx.o:(lt8713sx_probe) in archive vmlinux.a
>
> Fixes: 4037c6adc1f9 ("drm/bridge: add support for lontium lt8713sx bridge driver")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> drivers/gpu/drm/bridge/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
--
With best wishes
Dmitry
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] drm/bridge: lt8713sx select CONFIG_CRC8
2026-03-18 10:51 [PATCH] drm/bridge: lt8713sx select CONFIG_CRC8 Arnd Bergmann
2026-03-25 2:20 ` Dmitry Baryshkov
@ 2026-03-25 2:31 ` Dmitry Baryshkov
1 sibling, 0 replies; 3+ messages in thread
From: Dmitry Baryshkov @ 2026-03-25 2:31 UTC (permalink / raw)
To: Andrzej Hajda, Neil Armstrong, Robert Foss, Maarten Lankhorst,
Maxime Ripard, Thomas Zimmermann, David Airlie, Simona Vetter,
Vishnu Saini, Prahlad Valluru, Arnd Bergmann
Cc: Arnd Bergmann, Laurent Pinchart, Jonas Karlman, Jernej Skrabec,
Chen-Yu Tsai, Eric Biggers, dri-devel, linux-kernel
On Wed, 18 Mar 2026 11:51:15 +0100, Arnd Bergmann wrote:
> CRC8 needs to be enabled for lt8713sx to build:
>
> ld.lld-22: error: undefined symbol: crc8_populate_msb
> >>> referenced by lontium-lt8713sx.c
> >>> drivers/gpu/drm/bridge/lontium-lt8713sx.o:(lt8713sx_probe) in archive vmlinux.a
>
>
> [...]
Applied to drm-misc-next, thanks!
[1/1] drm/bridge: lt8713sx select CONFIG_CRC8
commit: 9a9d5ceff9581c92e4758f736dc8e96c22fe643d
Best regards,
--
With best wishes
Dmitry
^ permalink raw reply [flat|nested] 3+ messages in thread
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2026-03-18 10:51 [PATCH] drm/bridge: lt8713sx select CONFIG_CRC8 Arnd Bergmann
2026-03-25 2:20 ` Dmitry Baryshkov
2026-03-25 2:31 ` Dmitry Baryshkov
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