[v2,3/4] drm/panel: jh057n00900: Print error code on all DRM_DEV_ERROR()s

Submitted by Guido Günther on July 26, 2019, 1:14 p.m.

Details

Message ID 6b237a570cb368dc4471fb8feb3a0441813cd576.1564146727.git.agx@sigxcpu.org
State New
Headers show
Series "drm/panel: jh057n00900: Move dsi init sequence to prepare" ( rev: 2 ) in DRI devel

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Commit Message

Guido Günther July 26, 2019, 1:14 p.m.
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>
---
 drivers/gpu/drm/panel/panel-rocktech-jh057n00900.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

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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;
 	}