Patch "drm: bridge: fix LONTIUM use of mipi_dsi_() functions" has been added to the 5.11-stable tree

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This is a note to let you know that I've just added the patch titled

    drm: bridge: fix LONTIUM use of mipi_dsi_() functions

to the 5.11-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-bridge-fix-lontium-use-of-mipi_dsi_-functions.patch
and it can be found in the queue-5.11 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From ad085b3a712a89e4a48472121b231add7a8362e4 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Date: Thu, 15 Apr 2021 11:36:39 -0700
Subject: drm: bridge: fix LONTIUM use of mipi_dsi_() functions

From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

commit ad085b3a712a89e4a48472121b231add7a8362e4 upstream.

The Lontium DRM bridge drivers use mipi_dsi_() function interfaces so
they need to select DRM_MIPI_DSI to prevent build errors.

ERROR: modpost: "mipi_dsi_attach" [drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
ERROR: modpost: "mipi_dsi_device_register_full" [drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
ERROR: modpost: "of_find_mipi_dsi_host_by_node" [drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
ERROR: modpost: "mipi_dsi_device_unregister" [drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
ERROR: modpost: "mipi_dsi_detach" [drivers/gpu/drm/bridge/lontium-lt9611uxc.ko] undefined!
ERROR: modpost: "mipi_dsi_attach" [drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
ERROR: modpost: "mipi_dsi_device_register_full" [drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
ERROR: modpost: "of_find_mipi_dsi_host_by_node" [drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
ERROR: modpost: "mipi_dsi_device_unregister" [drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
ERROR: modpost: "mipi_dsi_detach" [drivers/gpu/drm/bridge/lontium-lt9611.ko] undefined!
WARNING: modpost: suppressed 5 unresolved symbol warnings because there were too many)

Fixes: 23278bf54afe ("drm/bridge: Introduce LT9611 DSI to HDMI bridge")
Fixes: 0cbbd5b1a012 ("drm: bridge: add support for lontium LT9611UXC bridge")
Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Reviewed-by: Adren Grassein <adrien.grassein@xxxxxxxxx>
Cc: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Vinod Koul <vkoul@xxxxxxxxxx>
Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Cc: Adrien Grassein <adrien.grassein@xxxxxxxxx>
Cc: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
Cc: Robert Foss <robert.foss@xxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20210415183639.1487-1-rdunlap@xxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/bridge/Kconfig |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -67,6 +67,7 @@ config DRM_LONTIUM_LT9611UXC
 	depends on OF
 	select DRM_PANEL_BRIDGE
 	select DRM_KMS_HELPER
+	select DRM_MIPI_DSI
 	select REGMAP_I2C
 	help
 	  Driver for Lontium LT9611UXC DSI to HDMI bridge
@@ -151,6 +152,7 @@ config DRM_SII902X
 	tristate "Silicon Image sii902x RGB/HDMI bridge"
 	depends on OF
 	select DRM_KMS_HELPER
+	select DRM_MIPI_DSI
 	select REGMAP_I2C
 	select I2C_MUX
 	select SND_SOC_HDMI_CODEC if SND_SOC
@@ -200,6 +202,7 @@ config DRM_TOSHIBA_TC358767
 	tristate "Toshiba TC358767 eDP bridge"
 	depends on OF
 	select DRM_KMS_HELPER
+	select DRM_MIPI_DSI
 	select REGMAP_I2C
 	select DRM_PANEL
 	help


Patches currently in stable-queue which might be from rdunlap@xxxxxxxxxxxxx are

queue-5.11/drm-bridge-fix-lontium-use-of-mipi_dsi_-functions.patch



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