diff options
| author | Thomas Zimmermann <[email protected]> | 2022-02-03 10:39:22 +0100 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2022-03-12 17:41:30 +1000 |
| commit | 3755d35ee1d2454b20b8a1e20d790e56201678a4 (patch) | |
| tree | efd4df3571b04dc507b788447f1012cdf8eaf746 | |
| parent | 30eb13a26014ca640b5eb57b6d010114084d5c92 (diff) | |
drm/panel: Select DRM_DP_HELPER for DRM_PANEL_EDP
As reported in [1], DRM_PANEL_EDP depends on DRM_DP_HELPER. Select
the option to fix the build failure. The error message is shown
below.
arm-linux-gnueabihf-ld: drivers/gpu/drm/panel/panel-edp.o: in function
`panel_edp_probe': panel-edp.c:(.text+0xb74): undefined reference to
`drm_panel_dp_aux_backlight'
make[1]: *** [/builds/linux/Makefile:1222: vmlinux] Error 1
The issue has been reported before, when DisplayPort helpers were
hidden behind the option CONFIG_DRM_KMS_HELPER. [2]
v2:
* fix and expand commit description (Arnd)
Signed-off-by: Thomas Zimmermann <[email protected]>
Fixes: 9d6366e743f3 ("drm: fb_helper: improve CONFIG_FB dependency")
Reported-by: Naresh Kamboju <[email protected]>
Reported-by: Linux Kernel Functional Testing <[email protected]>
Reviewed-by: Lyude Paul <[email protected]>
Acked-by: Sam Ravnborg <[email protected]>
Link: https://lore.kernel.org/dri-devel/CA+G9fYvN0NyaVkRQmA1O6rX7H8PPaZrUAD7=RDy33QY9rUU-9g@mail.gmail.com/ # [1]
Link: https://lore.kernel.org/all/[email protected]/ # [2]
Cc: Thomas Zimmermann <[email protected]>
Cc: Lyude Paul <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Maarten Lankhorst <[email protected]>
Cc: Maxime Ripard <[email protected]>
Cc: [email protected]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Dave Airlie <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/panel/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 434c2861bb40..0aec5a10b064 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -106,6 +106,7 @@ config DRM_PANEL_EDP depends on PM select VIDEOMODE_HELPERS select DRM_DP_AUX_BUS + select DRM_DP_HELPER help DRM panel driver for dumb eDP panels that need at most a regulator and a GPIO to be powered up. Optionally a backlight can be attached so |