? .tegra_fb.c.swp
Index: tegra_drm.h
===================================================================
RCS file: /cvsroot/src/sys/arch/arm/nvidia/tegra_drm.h,v
retrieving revision 1.6
diff -u -p -u -r1.6 tegra_drm.h
--- tegra_drm.h	22 Dec 2015 22:10:36 -0000	1.6
+++ tegra_drm.h	17 Dec 2016 11:07:38 -0000
@@ -79,6 +79,7 @@ struct tegra_drmfb_attach_args {
 	struct drm_fb_helper_surface_size tfa_fb_sizes;
 	bus_space_tag_t		tfa_fb_bst;
 	bus_dma_tag_t		tfa_fb_dmat;
+	uint32_t		tfa_fb_linebytes;
 };
 
 struct tegra_crtc {
Index: tegra_drm_fb.c
===================================================================
RCS file: /cvsroot/src/sys/arch/arm/nvidia/tegra_drm_fb.c,v
retrieving revision 1.3
diff -u -p -u -r1.3 tegra_drm_fb.c
--- tegra_drm_fb.c	16 Nov 2015 21:14:33 -0000	1.3
+++ tegra_drm_fb.c	17 Dec 2016 11:07:38 -0000
@@ -108,6 +108,7 @@ tegra_fb_probe(struct drm_fb_helper *hel
 	tfa.tfa_fb_sizes = *sizes;
 	tfa.tfa_fb_bst = sc->sc_bst;
 	tfa.tfa_fb_dmat = sc->sc_dmat;
+	tfa.tfa_fb_linebytes = helper->fb->pitches[0];
 
 	helper->fbdev = config_found_ia(ddev->dev, "tegrafbbus", &tfa, NULL);
 	if (helper->fbdev == NULL) {
Index: tegra_fb.c
===================================================================
RCS file: /cvsroot/src/sys/arch/arm/nvidia/tegra_fb.c,v
retrieving revision 1.2
diff -u -p -u -r1.2 tegra_fb.c
--- tegra_fb.c	12 Nov 2015 00:43:52 -0000	1.2
+++ tegra_fb.c	17 Dec 2016 11:07:38 -0000
@@ -78,7 +78,6 @@ tegra_fb_attach(device_t parent, device_
 	struct tegra_fb_softc * const sc = device_private(self);
 	struct tegra_drm_softc * const drmsc = device_private(parent);
 	struct tegra_drmfb_attach_args * const tfa = aux;
-	struct drmfb_attach_args da;
 	int error;
 
 	sc->sc_dev = self;
@@ -89,11 +88,14 @@ tegra_fb_attach(device_t parent, device_
 	aprint_naive("\n");
 	aprint_normal("\n");
 
-	da.da_dev = self;
-	da.da_fb_helper = tfa->tfa_fb_helper;
-	da.da_fb_sizes = &tfa->tfa_fb_sizes;
-	da.da_fb_vaddr = sc->sc_fb->obj->dmap;
-	da.da_params = &tegrafb_drmfb_params;
+	const struct drmfb_attach_args da = {
+		.da_dev = self,
+		.da_fb_helper = tfa->tfa_fb_helper,
+		.da_fb_sizes = &tfa->tfa_fb_sizes,
+		.da_fb_vaddr = sc->sc_fb->obj->dmap,
+		.da_fb_linebytes = tfa->tfa_fb_linebytes,
+		.da_params = &tegrafb_drmfb_params,
+	};
 
 	error = drmfb_attach(&sc->sc_drmfb, &da);
 	if (error) {