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

From: Yannick FertrÃ
Date: Fri Mar 29 2019 - 11:49:22 EST


From: Philippe Cornu <philippe.cornu@xxxxxx>

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@xxxxxx>
---
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