* [PATCH] drm/panel: fix novatek-nt36536 dependencies
@ 2026-09-25 13:01 Arnd Bergmann
2026-09-27 22:52 ` Neil Armstrong
0 siblings, 1 reply; 2+ messages in thread
From: Arnd Bergmann @ 2026-09-25 13:01 UTC (permalink / raw)
To: Neil Armstrong, Maarten Lankhorst, Maxime Ripard,
Thomas Zimmermann, David Airlie, Simona Vetter, Pengyu Luo
Cc: Arnd Bergmann, Jessica Zhang, Dmitry Baryshkov, David Heidelberg,
Svyatoslav Ryhel, Julian Braha, Dario Binacchi, Teguh Sobirin,
Marijn Suijten, dri-devel, linux-kernel
From: Arnd Bergmann <arnd@arndb.de>
The recently added driver requires access to DSC helper code
and fails to link without that:
ld.lld: error: undefined symbol: drm_dsc_pps_payload_pack
>>> referenced by panel-novatek-nt36536.c:109 (/home/arnd/arm-soc/drivers/gpu/drm/panel/panel-novatek-nt36536.c:109)
>>> drivers/gpu/drm/panel/panel-novatek-nt36536.o:(novatek_prepare) in archive vmlinux.a
Add the usual Kconfig dependency.
Fixes: 75a5dbd1f4f7 ("drm/panel: Add Novatek NT36536 panel driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/gpu/drm/panel/Kconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index 6874752a1901..8bf7911d2a0e 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -694,6 +694,8 @@ config DRM_PANEL_NOVATEK_NT36536
depends on OF
depends on DRM_MIPI_DSI
depends on BACKLIGHT_CLASS_DEVICE
+ select DRM_DISPLAY_DSC_HELPER
+ select DRM_DISPLAY_HELPER
select DRM_KMS_HELPER
help
Say Y here if you want to enable support for Novatek NT36536-based
--
2.53.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] drm/panel: fix novatek-nt36536 dependencies
2026-09-25 13:01 [PATCH] drm/panel: fix novatek-nt36536 dependencies Arnd Bergmann
@ 2026-09-27 22:52 ` Neil Armstrong
0 siblings, 0 replies; 2+ messages in thread
From: Neil Armstrong @ 2026-09-27 22:52 UTC (permalink / raw)
To: Arnd Bergmann, Maarten Lankhorst, Maxime Ripard,
Thomas Zimmermann, David Airlie, Simona Vetter, Pengyu Luo
Cc: Arnd Bergmann, Jessica Zhang, Dmitry Baryshkov, David Heidelberg,
Svyatoslav Ryhel, Julian Braha, Dario Binacchi, Teguh Sobirin,
Marijn Suijten, dri-devel, linux-kernel
On 9/25/26 15:01, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The recently added driver requires access to DSC helper code
> and fails to link without that:
>
> ld.lld: error: undefined symbol: drm_dsc_pps_payload_pack
>>>> referenced by panel-novatek-nt36536.c:109 (/home/arnd/arm-soc/drivers/gpu/drm/panel/panel-novatek-nt36536.c:109)
>>>> drivers/gpu/drm/panel/panel-novatek-nt36536.o:(novatek_prepare) in archive vmlinux.a
>
> Add the usual Kconfig dependency.
>
> Fixes: 75a5dbd1f4f7 ("drm/panel: Add Novatek NT36536 panel driver")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> drivers/gpu/drm/panel/Kconfig | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> index 6874752a1901..8bf7911d2a0e 100644
> --- a/drivers/gpu/drm/panel/Kconfig
> +++ b/drivers/gpu/drm/panel/Kconfig
> @@ -694,6 +694,8 @@ config DRM_PANEL_NOVATEK_NT36536
> depends on OF
> depends on DRM_MIPI_DSI
> depends on BACKLIGHT_CLASS_DEVICE
> + select DRM_DISPLAY_DSC_HELPER
> + select DRM_DISPLAY_HELPER
> select DRM_KMS_HELPER
> help
> Say Y here if you want to enable support for Novatek NT36536-based
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Thanks,
Neil
^ permalink raw reply [flat|nested] 2+ messages in thread
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2026-09-27 22:52 ` Neil Armstrong
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