[PATCH 06/23] drm: omapdrm: fb: Turn framebuffer creation error messages into debug

[Laurent Pinchart]

Don't print userspace parameters validation failures as error messages
to avoid giving userspace the ability to flood the kernel log.

Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
 drivers/gpu/drm/omapdrm/omap_fb.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c
index 8629ba6ff9d7..2edf86ab1fe1 100644
--- a/drivers/gpu/drm/omapdrm/omap_fb.c
+++ b/drivers/gpu/drm/omapdrm/omap_fb.c
@@ -422,8 +422,8 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
 	}
 
 	if (!format) {
-		dev_err(dev->dev, "unsupported pixel format: %4.4s\n",
-				(char *)&mode_cmd->pixel_format);
+		dev_dbg(dev->dev, "unsupported pixel format: %4.4s\n",
+			(char *)&mode_cmd->pixel_format);
 		ret = -EINVAL;
 		goto fail;
 	}
@@ -439,13 +439,13 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
 	mutex_init(&omap_fb->lock);
 
 	if (format->num_planes == 2 && pitch != mode_cmd->pitches[1]) {
-		dev_err(dev->dev, "pitches differ between planes 0 and 1\n");
+		dev_dbg(dev->dev, "pitches differ between planes 0 and 1\n");
 		ret = -EINVAL;
 		goto fail;
 	}
 
 	if (pitch < mode_cmd->width * format->stride_bpp) {
-		dev_err(dev->dev,
+		dev_dbg(dev->dev,
 			"provided buffer pitch is too small! %u < %u\n",
 			pitch, mode_cmd->width * format->stride_bpp);
 		ret = -EINVAL;
@@ -453,7 +453,7 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
 	}
 
 	if (pitch % format->stride_bpp != 0) {
-		dev_err(dev->dev,
+		dev_dbg(dev->dev,
 			"buffer pitch (%u bytes) is not a multiple of pixel size (%u bytes)\n",
 			pitch, format->stride_bpp);
 		ret = -EINVAL;
@@ -467,7 +467,7 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
 		size = pitch * mode_cmd->height / format->sub_y[i];
 
 		if (size > (omap_gem_mmap_size(bos[i]) - mode_cmd->offsets[i])) {
-			dev_err(dev->dev,
+			dev_dbg(dev->dev,
 				"provided buffer object is too small! %d < %d\n",
 				bos[i]->size - mode_cmd->offsets[i], size);
 			ret = -EINVAL;
-- 
2.7.3