2019-07-29 06:55:15

by Yue Haibing

Subject: [PATCH] drm/bridge: lvds-encoder: Fix build error while CONFIG_DRM_KMS_HELPER=m

If DRM_LVDS_ENCODER=y but CONFIG_DRM_KMS_HELPER=m,
build fails:

drivers/gpu/drm/bridge/lvds-encoder.o: In function `lvds_encoder_probe':
lvds-encoder.c:(.text+0x155): undefined reference to `devm_drm_panel_bridge_add'
drivers/gpu/drm/bridge/tc358764.o:(.rodata+0x228): undefined reference to `drm_atomic_helper_connector_reset'
drivers/gpu/drm/bridge/tc358764.o:(.rodata+0x240): undefined reference to `drm_helper_probe_single_connector_modes'
drivers/gpu/drm/bridge/tc358764.o:(.rodata+0x268): undefined reference to `drm_atomic_helper_connector_duplicate_state'
drivers/gpu/drm/bridge/tc358764.o:(.rodata+0x270): undefined reference to `drm_atomic_helper_connector_destroy_state'

Reported-by: Hulk Robot <[email protected]>
Fixes: dbb58bfd9ae6 drm/bridge: ("Fix lvds-encoder since the panel_bridge rework.")
Signed-off-by: YueHaibing <[email protected]>
---
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 a6eec90..77e4b95 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -48,6 +48,7 @@ config DRM_DUMB_VGA_DAC
config DRM_LVDS_ENCODER
tristate "Transparent parallel to LVDS encoder support"
depends on OF
+ select DRM_KMS_HELPER
select DRM_PANEL_BRIDGE
help
Support for transparent parallel to LVDS encoders that don't require
--
2.7.4

2019-07-29 08:04:03

by Yue Haibing

Subject: [PATCH v2] drm/bridge: lvds-encoder: Fix build error while CONFIG_DRM_KMS_HELPER=m

If DRM_LVDS_ENCODER=y but CONFIG_DRM_KMS_HELPER=m,
build fails:

drivers/gpu/drm/bridge/lvds-encoder.o: In function `lvds_encoder_probe':
lvds-encoder.c:(.text+0x155): undefined reference to `devm_drm_panel_bridge_add'

Reported-by: Hulk Robot <[email protected]>
Fixes: dbb58bfd9ae6 ("drm/bridge: Fix lvds-encoder since the panel_bridge rework.")
Signed-off-by: YueHaibing <[email protected]>
---
v2: remove tc358764 log in commit log, also fix Fixes tag
---
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 a6eec90..77e4b95 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -48,6 +48,7 @@ config DRM_DUMB_VGA_DAC
config DRM_LVDS_ENCODER
tristate "Transparent parallel to LVDS encoder support"
depends on OF
+ select DRM_KMS_HELPER
select DRM_PANEL_BRIDGE
help
Support for transparent parallel to LVDS encoders that don't require
--
2.7.4

2019-07-30 17:12:14

by Neil Armstrong

Subject: Re: [PATCH v2] drm/bridge: lvds-encoder: Fix build error while CONFIG_DRM_KMS_HELPER=m

On 29/07/2019 09:12, YueHaibing wrote:
> If DRM_LVDS_ENCODER=y but CONFIG_DRM_KMS_HELPER=m,
> build fails:
>
> drivers/gpu/drm/bridge/lvds-encoder.o: In function `lvds_encoder_probe':
> lvds-encoder.c:(.text+0x155): undefined reference to `devm_drm_panel_bridge_add'
>
> Reported-by: Hulk Robot <[email protected]>
> Fixes: dbb58bfd9ae6 ("drm/bridge: Fix lvds-encoder since the panel_bridge rework.")
> Signed-off-by: YueHaibing <[email protected]>
> ---
> v2: remove tc358764 log in commit log, also fix Fixes tag
> ---
> 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 a6eec90..77e4b95 100644
> --- a/drivers/gpu/drm/bridge/Kconfig
> +++ b/drivers/gpu/drm/bridge/Kconfig
> @@ -48,6 +48,7 @@ config DRM_DUMB_VGA_DAC
> config DRM_LVDS_ENCODER
> tristate "Transparent parallel to LVDS encoder support"
> depends on OF
> + select DRM_KMS_HELPER
> select DRM_PANEL_BRIDGE
> help
> Support for transparent parallel to LVDS encoders that don't require
>

Reviewed-by: Neil Armstrong <[email protected]>

Applying to drm-misc-fixes

Neil

2019-07-30 17:50:44

by Laurent Pinchart

Subject: Re: [PATCH v2] drm/bridge: lvds-encoder: Fix build error while CONFIG_DRM_KMS_HELPER=m

Hi Yue,

Thank you for the patch.

On Mon, Jul 29, 2019 at 03:12:16PM +0800, YueHaibing wrote:
> If DRM_LVDS_ENCODER=y but CONFIG_DRM_KMS_HELPER=m,
> build fails:
>
> drivers/gpu/drm/bridge/lvds-encoder.o: In function `lvds_encoder_probe':
> lvds-encoder.c:(.text+0x155): undefined reference to `devm_drm_panel_bridge_add'
>
> Reported-by: Hulk Robot <[email protected]>
> Fixes: dbb58bfd9ae6 ("drm/bridge: Fix lvds-encoder since the panel_bridge rework.")
> Signed-off-by: YueHaibing <[email protected]>

Reviewed-by: Laurent Pinchart <[email protected]>

> ---
> v2: remove tc358764 log in commit log, also fix Fixes tag
> ---
> 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 a6eec90..77e4b95 100644
> --- a/drivers/gpu/drm/bridge/Kconfig
> +++ b/drivers/gpu/drm/bridge/Kconfig
> @@ -48,6 +48,7 @@ config DRM_DUMB_VGA_DAC
> config DRM_LVDS_ENCODER
> tristate "Transparent parallel to LVDS encoder support"
> depends on OF
> + select DRM_KMS_HELPER
> select DRM_PANEL_BRIDGE
> help
> Support for transparent parallel to LVDS encoders that don't require

--
Regards,

Laurent Pinchart