From: Randy Dunlap <rdun...@infradead.org>

commit ed01fca38717169fcb61bd45ad1c3750d9c40d59 upstream.

The Analogix DRM ANX7625 bridge driver uses mips_dsi_() function
interfaces so it should select DRM_MIPI_DSI to prevent build errors.

ERROR: modpost: "mipi_dsi_attach" [drivers/gpu/drm/bridge/analogix/anx7625.ko] 
undefined!
ERROR: modpost: "mipi_dsi_device_register_full" 
[drivers/gpu/drm/bridge/analogix/anx7625.ko] undefined!
ERROR: modpost: "of_find_mipi_dsi_host_by_node" 
[drivers/gpu/drm/bridge/analogix/anx7625.ko] undefined!
ERROR: modpost: "mipi_dsi_device_unregister" 
[drivers/gpu/drm/bridge/analogix/anx7625.ko] undefined!
ERROR: modpost: "mipi_dsi_detach" [drivers/gpu/drm/bridge/analogix/anx7625.ko] 
undefined!

Fixes: 8bdfc5dae4e3 ("drm/bridge: anx7625: Add anx7625 MIPI DSI/DPI to DP")
Reported-by: kernel test robot <l...@intel.com>
Signed-off-by: Randy Dunlap <rdun...@infradead.org>
Reviewed-by: Robert Foss <robert.f...@linaro.org>
Cc: Xin Ji <x...@analogixsemi.com>
Cc: Sam Ravnborg <s...@ravnborg.org>
Cc: dri-devel@lists.freedesktop.org
Cc: Andrzej Hajda <a.ha...@samsung.com>
Cc: Neil Armstrong <narmstr...@baylibre.com>
Cc: Robert Foss <robert.f...@linaro.org>
Cc: sta...@vger.kernel.org
Signed-off-by: Robert Foss <robert.f...@linaro.org>
Link: 
https://patchwork.freedesktop.org/patch/msgid/20210415183619.1431-1-rdun...@infradead.org
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/gpu/drm/bridge/analogix/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/bridge/analogix/Kconfig
+++ b/drivers/gpu/drm/bridge/analogix/Kconfig
@@ -30,6 +30,7 @@ config DRM_ANALOGIX_ANX7625
        tristate "Analogix Anx7625 MIPI to DP interface support"
        depends on DRM
        depends on OF
+       select DRM_MIPI_DSI
        help
          ANX7625 is an ultra-low power 4K mobile HD transmitter
          designed for portable devices. It converts MIPI/DPI to


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