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Subject[PATCH v2 3/4] drm/panel: jh057n00900: Print error code on all DRM_DEV_ERROR()s
Date
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(-)

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;
}
--
2.20.1
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