From: Dan Carpenter <dan.carpenter@linaro.org>
To: Brigham Campbell <me@brighamcampbell.com>
Cc: Neil Armstrong <neil.armstrong@linaro.org>,
Jessica Zhang <jessica.zhang@oss.qualcomm.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Douglas Anderson <dianders@chromium.org>,
Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: [PATCH next] drm/panel: jdi-lpm102a188a: Fix error code in jdi_panel_prepare()
Date: Thu, 21 Aug 2025 15:30:54 +0300 [thread overview]
Message-ID: <aKcRfq8xBrFmhqmO@stanley.mountain> (raw)
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: a6adf47d30cc ("drm/panel: jdi-lpm102a188a: Fix bug and clean up driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c b/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c
index 83656bb4b0b2..23462065d726 100644
--- a/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c
+++ b/drivers/gpu/drm/panel/panel-jdi-lpm102a188a.c
@@ -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;
--
2.47.2
next reply other threads:[~2025-08-21 12:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-21 12:30 Dan Carpenter [this message]
2025-08-21 14:50 ` Doug Anderson
2025-08-24 18:54 ` Brigham Campbell
2025-08-25 5:50 ` Dan Carpenter
2025-08-25 17:12 ` Brigham Campbell
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