Messages in this thread Patch in this message |  | | From | Guido Günther <> | Subject | [PATCH v2 3/4] drm/panel: jh057n00900: Print error code on all DRM_DEV_ERROR()s | Date | Fri, 26 Jul 2019 15:14:38 +0200 |
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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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