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Message-Id: <20240620074802.852544-1-nichen@iscas.ac.cn>
Date: Thu, 20 Jun 2024 15:48:02 +0800
From: Chen Ni <nichen@...as.ac.cn>
To: neil.armstrong@...aro.org,
quic_jesszhan@...cinc.com,
maarten.lankhorst@...ux.intel.com,
mripard@...nel.org,
tzimmermann@...e.de,
airlied@...il.com,
daniel@...ll.ch
Cc: dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org,
Chen Ni <nichen@...as.ac.cn>
Subject: [PATCH 2/2] drm/panel-xinpeng-xpp055c272: add check for mipi_dsi_dcs_enter_sleep_mode
Add check for the return value of mipi_dsi_dcs_enter_sleep_mode() and
return the error if it fails in order to catch the error.
Signed-off-by: Chen Ni <nichen@...as.ac.cn>
---
drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
index 22a14006765e..d7c9df673f35 100644
--- a/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
+++ b/drivers/gpu/drm/panel/panel-xinpeng-xpp055c272.c
@@ -139,7 +139,7 @@ static int xpp055c272_unprepare(struct drm_panel *panel)
if (ret < 0)
dev_err(ctx->dev, "failed to set display off: %d\n", ret);
- mipi_dsi_dcs_enter_sleep_mode(dsi);
+ ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
if (ret < 0) {
dev_err(ctx->dev, "failed to enter sleep mode: %d\n", ret);
return ret;
--
2.25.1
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