Heh, didn't realize that. drivers/video/nvidia/nvidia.c, actually.
But just apply this patch instead, as a Kconfig change is also
needed.

Signed-off-by: Antonino Daplas <redacted>

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig

@@ -650,6 +650,7 @@ config FB_NVIDIA
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
+	select FB_SOFT_CURSOR
 	help
 	  This driver supports graphics boards with the nVidia chips, TNT
 	  and newer. For very old chipsets, such as the RIVA128, then use

diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
--- a/drivers/video/nvidia/nvidia.c
+++ b/drivers/video/nvidia/nvidia.c

@@ -893,7 +893,7 @@ static int nvidiafb_cursor(struct fb_inf
 	int i, set = cursor->set;
 	u16 fg, bg;
 
-	if (!hwcur || cursor->image.width > MAX_CURS || cursor->image.height > MAX_CURS)
+	if (cursor->image.width > MAX_CURS || cursor->image.height > MAX_CURS)
 		return -ENXIO;
 
 	NVShowHideCursor(par, 0);

@@ -1356,6 +1356,9 @@ static int __devinit nvidia_set_fbinfo(s
 	info->pixmap.size = 8 * 1024;
 	info->pixmap.flags = FB_PIXMAP_SYSTEM;
 
+	if (!hwcur)
+	    info->fbops->fb_cursor = soft_cursor;
+
 	info->var.accel_flags = (!noaccel);
 
 	switch (par->Architecture) {