[PATCH 5/9] drm/tegra: fb: Add diagnostics for framebuffer modifiers

From: Thierry Reding treding@nvidia.com

Add a debug message to let the user know when a framebuffer modifier is not supported.

Signed-off-by: Thierry Reding treding@nvidia.com --- drivers/gpu/drm/tegra/fb.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c index 01939c57fc74..350f33206076 100644 --- a/drivers/gpu/drm/tegra/fb.c +++ b/drivers/gpu/drm/tegra/fb.c @@ -86,6 +86,7 @@ int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer, break;

default: + DRM_DEBUG_KMS("unknown format modifier: %llx\n", modifier); return -EINVAL; }