2019-07-26 09:22:45

by Guido Günther

[permalink] [raw]
Subject: [PATCH 3/3] drm/panel: jh057n00900: Print error code on all DRM_DEV_ERROR()s

Most of them had these already but two mere missing. This eases
debugging.

Signed-off-by: Guido Günther <[email protected]>
---
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 cc89831e30a6..a182ca7de701 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 */
@@ -355,7 +355,9 @@ 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;
}
--
2.20.1