[PATCH] drm/armada: replace the simple-framebuffer

From: Lubomir Rintel
Date: Mon Jan 21 2019 - 02:18:39 EST


If there's a simple-framebuffer carried over from boot firmware, it's going
to stop working once we setup the LCDC for use via DRM. Kick it off from
the hardware.

Signed-off-by: Lubomir Rintel <lkundrak@xxxxx>
---
drivers/gpu/drm/armada/armada_drv.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index fa31589b4fc0..9fcf88c91758 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -100,6 +100,17 @@ static int armada_drm_bind(struct device *dev)
return ret;
}

+ /* Remove early framebuffers */
+ ret = drm_fb_helper_remove_conflicting_framebuffers(NULL,
+ "armada-drm-fb",
+ false);
+ if (ret) {
+ dev_err(dev, "[" DRM_NAME ":%s] can't kick out simple-fb: %d\n",
+ __func__, ret);
+ kfree(priv);
+ return ret;
+ }
+
priv->drm.dev_private = priv;

dev_set_drvdata(dev, &priv->drm);
--
2.20.1