Three DRM bridge drivers select GENERIC_PHY_MIPI_DPHY when GENERIC_PHY
might not be set.  This causes Kconfig warnings and a build error.

WARNING: unmet direct dependencies detected for GENERIC_PHY_MIPI_DPHY
  Depends on [n]: GENERIC_PHY [=n]
  Selected by [y]:
  - DRM_NWL_MIPI_DSI [=y] && DRM_BRIDGE [=y] && DRM [=y] && COMMON_CLK [=y] && 
OF [=y] && HAS_IOMEM [=y]
  - DRM_SAMSUNG_DSIM [=y] && DRM [=y] && DRM_BRIDGE [=y] && COMMON_CLK [=y] && 
OF [=y] && HAS_IOMEM [=y]

(drm/bridge/cadence/Kconfig was found by inspection.)

aarch64-linux-ld: drivers/gpu/drm/bridge/samsung-dsim.o: in function 
`samsung_dsim_set_phy_ctrl':
drivers/gpu/drm/bridge/samsung-dsim.c:731: undefined reference to 
`phy_mipi_dphy_get_default_config_for_hsclk'

Prevent these warnings and build error by also selecting GENERIC_PHY
whenever selecting GENERIC_PHY_MIPI_DPHY.

Fixes: fced5a364dee ("drm/bridge: cdns: Convert to phy framework")
Fixes: 44cfc6233447 ("drm/bridge: Add NWL MIPI DSI host controller support")
Fixes: 171b3b1e0f8b ("drm: bridge: samsung-dsim: Select GENERIC_PHY_MIPI_DPHY")
Signed-off-by: Randy Dunlap <[email protected]>
Reported-by: Aleksandr Nogikh <[email protected]>
Link: lore.kernel.org/r/[email protected]
Cc: Adam Ford <[email protected]>
Cc: Maxime Ripard <[email protected]>
Cc: Guido Günther <[email protected]>
Cc: Robert Chiras <[email protected]>
Cc: Sam Ravnborg <[email protected]>
Cc: Neil Armstrong <[email protected]>
Cc: Andrzej Hajda <[email protected]>
Cc: Robert Foss <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: [email protected]
---
 drivers/gpu/drm/bridge/Kconfig         |    2 ++
 drivers/gpu/drm/bridge/cadence/Kconfig |    1 +
 2 files changed, 3 insertions(+)

diff -- a/drivers/gpu/drm/bridge/cadence/Kconfig 
b/drivers/gpu/drm/bridge/cadence/Kconfig
--- a/drivers/gpu/drm/bridge/cadence/Kconfig
+++ b/drivers/gpu/drm/bridge/cadence/Kconfig
@@ -4,6 +4,7 @@ config DRM_CDNS_DSI
        select DRM_KMS_HELPER
        select DRM_MIPI_DSI
        select DRM_PANEL_BRIDGE
+       select GENERIC_PHY
        select GENERIC_PHY_MIPI_DPHY
        depends on OF
        help
diff -- a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -181,6 +181,7 @@ config DRM_NWL_MIPI_DSI
        select DRM_KMS_HELPER
        select DRM_MIPI_DSI
        select DRM_PANEL_BRIDGE
+       select GENERIC_PHY
        select GENERIC_PHY_MIPI_DPHY
        select MFD_SYSCON
        select MULTIPLEXER
@@ -227,6 +228,7 @@ config DRM_SAMSUNG_DSIM
        select DRM_KMS_HELPER
        select DRM_MIPI_DSI
        select DRM_PANEL_BRIDGE
+       select GENERIC_PHY
        select GENERIC_PHY_MIPI_DPHY
        help
          The Samsung MIPI DSIM bridge controller driver.

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