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drm/bridge: cdns-dsi: Check return value when getting default PHY config

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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: fced5a364d ("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>
This commit is contained in:
Aradhya Bhatia
2025-03-29 17:09:15 +05:30
committed by Greg Kroah-Hartman
parent c4ee1b31a5
commit 252e6e96f9
1 changed files with 5 additions and 3 deletions
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8
drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
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@@ -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)