From: Thierry Reding <treding@nvidia.com>
Date: Fri, 26 Mar 2021 14:51:35 +0000 (+0100)
Subject: drm/tegra: fb: Add diagnostics for framebuffer modifiers
X-Git-Tag: howlett/maple/20220722_2~3251^2~3^2~3
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4def888d4158ee8977995664bb55fa50894645d2;p=users%2Fjedix%2Flinux-maple.git

drm/tegra: fb: Add diagnostics for framebuffer modifiers

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

Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c
index 01939c57fc74d..350f332060762 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;
 	}