[PATCH v7 06/12] drm/bridge: cdns-dsi: Check return value when getting default PHY config

[Aradhya Bhatia]

From: Aradhya Bhatia <a-bhat...@ti.com>

Check for the return value of the phy_mipi_dphy_get_default_config()
call, and incase of an error, return back the same.

Fixes: fced5a364dee ("drm/bridge: cdns: Convert to phy framework")
Reviewed-by: Tomi Valkeinen <tomi.valkei...@ideasonboard.com>
Reviewed-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
Signed-off-by: Aradhya Bhatia <a-bhat...@ti.com>
Signed-off-by: Aradhya Bhatia <aradhya.bha...@linux.dev>
---
 drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c 
b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
index ccd964ba8c23..b278e424b4b5 100644
--- a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
@@ -575,9 +575,11 @@ static int cdns_dsi_check_conf(struct cdns_dsi *dsi,
        if (ret)
                return ret;
 
-       phy_mipi_dphy_get_default_config(mode_clock * 1000,
-                                        
mipi_dsi_pixel_format_to_bpp(output->dev->format),
-                                        nlanes, phy_cfg);
+       ret = phy_mipi_dphy_get_default_config(mode_clock * 1000,
+                                              
mipi_dsi_pixel_format_to_bpp(output->dev->format),
+                                              nlanes, phy_cfg);
+       if (ret)
+               return ret;
 
        ret = cdns_dsi_adjust_phy_config(dsi, dsi_cfg, phy_cfg, mode, 
mode_valid_check);
        if (ret)
-- 
2.34.1