[PATCH 07/36] drm/omap: Init fbdev emulation only when we have displays

Tomi Valkeinen tomi.valkeinen at ti.com
Wed Nov 30 11:17:09 UTC 2016


From: Peter Ujfalusi <peter.ujfalusi at ti.com>

Do not try to init the fbdev if either num_crtcs or num_connectors is 0.
In this case we do not have display so the fbdev init would fail anyways.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ti.com>
---
 drivers/gpu/drm/omapdrm/omap_fbdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c
index 8d8ac173f55d..2b045262f8ad 100644
--- a/drivers/gpu/drm/omapdrm/omap_fbdev.c
+++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c
@@ -255,6 +255,9 @@ struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev)
 	struct drm_fb_helper *helper;
 	int ret = 0;
 
+	if (!priv->num_crtcs || !priv->num_connectors)
+		return NULL;
+
 	fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
 	if (!fbdev)
 		goto fail;
-- 
2.7.4



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