From 04eedeb46fa2e961baa1e9386b16dd46289f7b69 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Guido=20G=C3=BCnther?= <agx@sigxcpu.org>
Date: Fri, 26 Jul 2019 15:14:38 +0200
Subject: drm/panel: jh057n00900: Print error code on all DRM_DEV_ERROR()s
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Git-commit: 04eedeb46fa2e961baa1e9386b16dd46289f7b69
Patch-mainline: v5.4-rc1
References: bsc#1152472
Most of them had these already but two mere missing. This eases
debugging.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/6b237a570cb368dc4471fb8feb3a0441813cd576.1564146727.git.agx@sigxcpu.org
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c b/drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c
index fed24c51d48b..1037a201b4bb 100644
--- a/drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c
+++ b/drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c
@@ -127,7 +127,7 @@ static int jh057n_init_sequence(struct jh057n *ctx)
ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
if (ret < 0) {
- DRM_DEV_ERROR(dev, "Failed to exit sleep mode\n");
+ DRM_DEV_ERROR(dev, "Failed to exit sleep mode: %d\n", ret);
return ret;
}
/* Panel is operational 120 msec after reset */
@@ -351,7 +351,9 @@ static int jh057n_probe(struct mipi_dsi_device *dsi)
ret = mipi_dsi_attach(dsi);
if (ret < 0) {
- DRM_DEV_ERROR(dev, "mipi_dsi_attach failed. Is host ready?\n");
+ DRM_DEV_ERROR(dev,
+ "mipi_dsi_attach failed (%d). Is host ready?\n",
+ ret);
drm_panel_remove(&ctx->panel);
return ret;
}
--
2.28.0