[PATCH] drm/stm: ltdc: use DRM_WARN for fifo & transfer error messages

["Yannick Fertré" <yannick.fertre@st.com>]

From: Philippe Cornu <philippe.cornu@st.com>

Use DRM_WARN() instead of DRM_DEBUG_DRIVER() to better
inform the user in case of fifo underruns or
transfer errors.

Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
---
 drivers/gpu/drm/stm/ltdc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index b1741a9..15d8a02 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -822,11 +822,11 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,
 
 	mutex_lock(&ldev->err_lock);
 	if (ldev->error_status & ISR_FUIF) {
-		DRM_DEBUG_DRIVER("Fifo underrun\n");
+		DRM_WARN("ltdc fifo underrun: please verify display mode\n");
 		ldev->error_status &= ~ISR_FUIF;
 	}
 	if (ldev->error_status & ISR_TERRIF) {
-		DRM_DEBUG_DRIVER("Transfer error\n");
+		DRM_WARN("ltdc transfer error\n");
 		ldev->error_status &= ~ISR_TERRIF;
 	}
 	mutex_unlock(&ldev->err_lock);
-- 
2.7.4