x11/nvidia-driver: unbreak the build of nVidia legacy drivers

This partially reverts unapproved commit 010b1912.

x11/nvidia-driver/files/patch-src_nvidia_nvidia__os.c

-- vbe framebuffer mode adjustment that enables switch back and forth to the black terminal
-- from https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213912#c17
-
---- src/nvidia/nvidia_os.c.orig	2022-12-27 22:31:44 UTC
-+++ src/nvidia/nvidia_os.c
-@@ -789,6 +789,28 @@ void NV_API_CALL os_get_screen_info(
-             *pFbPitch = efifb->fb_stride * (bpp / NBBY);
-             return;
-         }
-+
-+        const struct vbe_fb *vbefb =
-+            (const struct vbe_fb *)preload_search_info(kmdp, MODINFO_METADATA |
-+                                                             MODINFOMD_VBE_FB);
-+
-+        /* Make sure base address is mapped to GPU BAR */
-+        if ((vbefb != NULL) &&
-+            ((vbefb->fb_addr == consoleBar1Address) ||
-+             (vbefb->fb_addr == consoleBar2Address)))
-+        {
-+            int depth = fls(vbefb->fb_mask_red | vbefb->fb_mask_green |
-+                            vbefb->fb_mask_blue | vbefb->fb_mask_reserved);
-+            int bpp = roundup2(depth, NBBY);
-+
-+            *pPhysicalAddress = vbefb->fb_addr;
-+            *pFbWidth = vbefb->fb_width;
-+            *pFbHeight = vbefb->fb_height;
-+            *pFbDepth = depth;
-+            /* fb_stride is in pixels. Convert to bytes */
-+            *pFbPitch = vbefb->fb_stride * (bpp / NBBY);
-+            return;
-+        }
-     }
-     {
-         const sc_softc_t *sc = sc_get_softc(0, SC_KERNEL_CONSOLE);

x11/nvidia-driver/pkg-message

-[
-{ type: install
-  message: <<EOM
-Please add the line
-vbe_max_resolution="720p"
-to /boot/loader.conf to put vt into the vbe framebuffer mode that would
-allow terminals to work simultaneously with graphics.
-EOM
-}
-]