[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