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drm/panel: jdi-lpm102a188a: Fix error code in jdi_panel_prepare()

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If the mipi_dsi_dual() macro fails, the error code is stored in
dsi_ctx.accum_err.  Propagate that error back to the caller instead
of returning success as the current code does.

Fixes: a6adf47d30 ("drm/panel: jdi-lpm102a188a: Fix bug and clean up driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/aKcRfq8xBrFmhqmO@stanley.mountain
This commit is contained in:
Dan Carpenter
2025-08-21 15:30:54 +03:00
committed by Douglas Anderson
parent 9648101262
commit 61ce50fd81
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c
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@@ -233,8 +233,10 @@ static int jdi_panel_prepare(struct drm_panel *panel)
mipi_dsi_dual(mipi_dsi_dcs_set_display_on_multi,
&dsi_ctx, jdi->link1, jdi->link2);
if (dsi_ctx.accum_err < 0)
if (dsi_ctx.accum_err < 0) {
err = dsi_ctx.accum_err;
goto poweroff;
}
jdi->link1->mode_flags &= ~MIPI_DSI_MODE_LPM;
jdi->link2->mode_flags &= ~MIPI_DSI_MODE_LPM;