From: Christian Van <cvan20191@gmail.com>
To: Jagan Teki <jagan@amarulasolutions.com>,
Neil Armstrong <neil.armstrong@linaro.org>
Cc: Jessica Zhang <jesszhan0024@gmail.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>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Christian Van <cvan20191@gmail.com>
Subject: [PATCH] drm/panel: feiyang-fy07024di26a30d: return display-on error
Date: Sat, 25 Apr 2026 01:39:48 -0400 [thread overview]
Message-ID: <20260425053948.117714-1-cvan20191@gmail.com> (raw)
mipi_dsi_dcs_set_display_on() returns an error code, but feiyang_enable()
currently ignores it and always reports success.
Return the DCS command result so callers can observe enable failures.
Signed-off-by: Christian Van <cvan20191@gmail.com>
---
drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c b/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c
index 4f8d6d8c0..dbdb7e3cb 100644
--- a/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c
+++ b/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c
@@ -98,9 +98,7 @@ static int feiyang_enable(struct drm_panel *panel)
/* T12 (video & logic signal rise + backlight rise) T12 >= 200ms */
msleep(200);
- mipi_dsi_dcs_set_display_on(ctx->dsi);
-
- return 0;
+ return mipi_dsi_dcs_set_display_on(ctx->dsi);
}
static int feiyang_disable(struct drm_panel *panel)
--
2.43.0
next reply other threads:[~2026-04-25 5:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-25 5:39 Christian Van [this message]
2026-04-27 7:43 ` [PATCH] drm/panel: feiyang-fy07024di26a30d: return display-on error Neil Armstrong
2026-05-05 12:51 ` Neil Armstrong
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