diff options
| author | Aradhya Bhatia <a-bhatia1@ti.com> | 2025-03-29 17:09:15 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-07-06 11:01:45 +0200 |
| commit | 88189662ade0b99d30291e5360cff86c4b2e472d (patch) | |
| tree | cfdba089cf196e3a4f94dd64dd0a76903315f1fc | |
| parent | 40261f044793df77ebeab583d6ca7acae746702f (diff) | |
drm/bridge: cdns-dsi: Check return value when getting default PHY config
commit c6a7ef0d4856b9629df390e9935d7fd67fe39f81 upstream.
Check for the return value of the phy_mipi_dphy_get_default_config()
call, and in case of an error, return back the same.
Fixes: fced5a364dee ("drm/bridge: cdns: Convert to phy framework")
Cc: stable@vger.kernel.org
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Aradhya Bhatia <a-bhatia1@ti.com>
Signed-off-by: Aradhya Bhatia <aradhya.bhatia@linux.dev>
Link: https://lore.kernel.org/r/20250329113925.68204-5-aradhya.bhatia@linux.dev
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c | 8 |
1 files 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 19c21daa84e9..738fb24991d9 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) |