* [PATCH] drm/imx: parallel-display: add DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY
@ 2026-01-21 10:26 Martin Kepplinger-Novakovic
2026-02-12 11:09 ` Kepplinger-Novakovic Martin
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Martin Kepplinger-Novakovic @ 2026-01-21 10:26 UTC (permalink / raw)
To: p.zabel, maarten.lankhorst, mripard, tzimmermann, airlied, simona,
shawnguo, s.hauer
Cc: kernel, dri-devel, imx, linux-arm-kernel, linux-kernel,
kernel test robot
When I build for an old imx53 platform I see the same as the test robot
saw before:
arm-buildroot-linux-gnueabihf-ld: drivers/gpu/drm/imx/ipuv3/parallel-display.o: in function `imx_pd_bind':
parallel-display.c:(.text+0xb8): undefined reference to `drm_bridge_connector_init'
Selecting DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY fixes the build.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202512241721.jZgcwRfr-lkp@intel.com/
Signed-off-by: Martin Kepplinger-Novakovic <martin.kepplinger-novakovic@ginzinger.com>
---
drivers/gpu/drm/imx/ipuv3/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/imx/ipuv3/Kconfig b/drivers/gpu/drm/imx/ipuv3/Kconfig
index acaf250890019..b2240998df4f1 100644
--- a/drivers/gpu/drm/imx/ipuv3/Kconfig
+++ b/drivers/gpu/drm/imx/ipuv3/Kconfig
@@ -15,6 +15,7 @@ config DRM_IMX_PARALLEL_DISPLAY
depends on DRM_IMX
select DRM_BRIDGE
select DRM_BRIDGE_CONNECTOR
+ select DRM_DISPLAY_HELPER
select DRM_IMX_LEGACY_BRIDGE
select DRM_PANEL_BRIDGE
select VIDEOMODE_HELPERS
--
2.47.3
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH] drm/imx: parallel-display: add DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY
2026-01-21 10:26 [PATCH] drm/imx: parallel-display: add DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY Martin Kepplinger-Novakovic
@ 2026-02-12 11:09 ` Kepplinger-Novakovic Martin
2026-03-13 15:33 ` Philipp Zabel
2026-03-13 15:34 ` Philipp Zabel
2 siblings, 0 replies; 4+ messages in thread
From: Kepplinger-Novakovic Martin @ 2026-02-12 11:09 UTC (permalink / raw)
To: p.zabel@pengutronix.de, maarten.lankhorst@linux.intel.com,
mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com,
simona@ffwll.ch, shawnguo@kernel.org, s.hauer@pengutronix.de
Cc: kernel@pengutronix.de, dri-devel@lists.freedesktop.org,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, kernel test robot
Am Mittwoch, dem 21.01.2026 um 11:26 +0100 schrieb Martin Kepplinger-
Novakovic:
> When I build for an old imx53 platform I see the same as the test
> robot
> saw before:
>
> arm-buildroot-linux-gnueabihf-ld: drivers/gpu/drm/imx/ipuv3/parallel-
> display.o: in function `imx_pd_bind':
> parallel-display.c:(.text+0xb8): undefined reference to
> `drm_bridge_connector_init'
>
> Selecting DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY fixes the
> build.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Closes:
> https://lore.kernel.org/oe-kbuild-all/202512241721.jZgcwRfr-lkp@intel.com/
>
> Signed-off-by: Martin Kepplinger-Novakovic
> <martin.kepplinger-novakovic@ginzinger.com>
> ---
> drivers/gpu/drm/imx/ipuv3/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/imx/ipuv3/Kconfig
> b/drivers/gpu/drm/imx/ipuv3/Kconfig
> index acaf250890019..b2240998df4f1 100644
> --- a/drivers/gpu/drm/imx/ipuv3/Kconfig
> +++ b/drivers/gpu/drm/imx/ipuv3/Kconfig
> @@ -15,6 +15,7 @@ config DRM_IMX_PARALLEL_DISPLAY
> depends on DRM_IMX
> select DRM_BRIDGE
> select DRM_BRIDGE_CONNECTOR
> + select DRM_DISPLAY_HELPER
> select DRM_IMX_LEGACY_BRIDGE
> select DRM_PANEL_BRIDGE
> select VIDEOMODE_HELPERS
ping. any objection to this?
thank you!
martin
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] drm/imx: parallel-display: add DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY
2026-01-21 10:26 [PATCH] drm/imx: parallel-display: add DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY Martin Kepplinger-Novakovic
2026-02-12 11:09 ` Kepplinger-Novakovic Martin
@ 2026-03-13 15:33 ` Philipp Zabel
2026-03-13 15:34 ` Philipp Zabel
2 siblings, 0 replies; 4+ messages in thread
From: Philipp Zabel @ 2026-03-13 15:33 UTC (permalink / raw)
To: Martin Kepplinger-Novakovic, maarten.lankhorst, mripard,
tzimmermann, airlied, simona, shawnguo, s.hauer
Cc: kernel, dri-devel, imx, linux-arm-kernel, linux-kernel,
kernel test robot
On Mi, 2026-01-21 at 11:26 +0100, Martin Kepplinger-Novakovic wrote:
> When I build for an old imx53 platform I see the same as the test robot
> saw before:
>
> arm-buildroot-linux-gnueabihf-ld: drivers/gpu/drm/imx/ipuv3/parallel-display.o: in function `imx_pd_bind':
> parallel-display.c:(.text+0xb8): undefined reference to `drm_bridge_connector_init'
>
> Selecting DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY fixes the build.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202512241721.jZgcwRfr-lkp@intel.com/
>
> Signed-off-by: Martin Kepplinger-Novakovic <martin.kepplinger-novakovic@ginzinger.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
regards
Philipp
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] drm/imx: parallel-display: add DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY
2026-01-21 10:26 [PATCH] drm/imx: parallel-display: add DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY Martin Kepplinger-Novakovic
2026-02-12 11:09 ` Kepplinger-Novakovic Martin
2026-03-13 15:33 ` Philipp Zabel
@ 2026-03-13 15:34 ` Philipp Zabel
2 siblings, 0 replies; 4+ messages in thread
From: Philipp Zabel @ 2026-03-13 15:34 UTC (permalink / raw)
To: Martin Kepplinger-Novakovic, maarten.lankhorst, mripard,
tzimmermann, airlied, simona, shawnguo, s.hauer
Cc: kernel, dri-devel, imx, linux-arm-kernel, linux-kernel,
kernel test robot
On Mi, 2026-01-21 at 11:26 +0100, Martin Kepplinger-Novakovic wrote:
> When I build for an old imx53 platform I see the same as the test robot
> saw before:
>
> arm-buildroot-linux-gnueabihf-ld: drivers/gpu/drm/imx/ipuv3/parallel-display.o: in function `imx_pd_bind':
> parallel-display.c:(.text+0xb8): undefined reference to `drm_bridge_connector_init'
>
> Selecting DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY fixes the build.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202512241721.jZgcwRfr-lkp@intel.com/
>
> Signed-off-by: Martin Kepplinger-Novakovic <martin.kepplinger-novakovic@ginzinger.com>
Applied to drm-misc-next, thanks!
[1/1] drm/imx: parallel-display: add DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY
commit: 02df94d98ff837074788ce921edf67707dbad404
regards
Philipp
^ permalink raw reply [flat|nested] 4+ messages in thread
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2026-01-21 10:26 [PATCH] drm/imx: parallel-display: add DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY Martin Kepplinger-Novakovic
2026-02-12 11:09 ` Kepplinger-Novakovic Martin
2026-03-13 15:33 ` Philipp Zabel
2026-03-13 15:34 ` Philipp Zabel
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