diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index 85266f32a6ba..7430a82492dc 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -731,6 +731,12 @@ config FB_IMPACT
 	help
 	  SGI Impact (MardiGras/MGRAS) graphics card support.
 
+config FB_ODYSSEY
+	tristate "SGI Odyssey graphics support"
+	depends on FB && (SGI_IP30 || SGI_IP35)
+	help
+	  SGI Odyssey (VPro V6/V8/V10/V12) graphics card support.
+
 config FB_SBUS
 	bool "SBUS and UPA framebuffers"
 	depends on (FB = y) && SPARC
--- linux-6.11/drivers/video/fbdev/Makefile.vanilla	2024-10-15 13:58:50.409972957 +0200
+++ linux-6.11/drivers/video/fbdev/Makefile	2024-10-15 13:59:23.156639419 +0200
@@ -116,6 +116,7 @@
 obj-$(CONFIG_FB_SM712)		  += sm712fb.o
 obj-$(CONFIG_FB_IMPACT)		  += impact.o
 obj-$(CONFIG_FB_IMPACT_EARLY)	  += impact_early.o
+obj-$(CONFIG_FB_ODYSSEY)	  += odyssey.o
 
 # Platform or fallback drivers go here
 obj-$(CONFIG_FB_UVESA)            += uvesafb.o
diff --git a/drivers/video/fbdev/odyssey.c b/drivers/video/fbdev/odyssey.c
new file mode 100644
index 000000000000..c33e936b28d6
--- /dev/null
+++ b/drivers/video/fbdev/odyssey.c
@@ -0,0 +1,923 @@
+/*
+ * drivers/video/fbdev/odyssey.c -- SGI Odyssey/VPro Graphics
+ *
+ * Copyright (c) 2005 by Stanislaw Skowronek
+ * Copyright (c) 2007-2009 by Johannes Dickgreber (platform_driver conversion)
+ * Copyright (c) 2014 by Joshua Kinard (Fixes, Maintenance)
+ * Copyright (c) 2018-2024 René Rebe <rene@exactcode.de>
+ *
+ * This driver, as most of the IP30 (SGI Octane) port, is a result of massive
+ * amounts of reverse engineering and trial-and-error. If anyone is interested
+ * in helping with it, please contact me: <skylark@unaligned.org>.
+ *
+ * Note: the driver is specialcased for 8x16 font (will be a bit faster).
+ *
+ * Odyssey is a really cool graphics device. It is a dual-chip OpenGL
+ * implementation with ARB_imaging support, and overall a very elegant design.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/vmalloc.h>
+#include <linux/module.h>
+#include <linux/dma-mapping.h>
+#include <linux/spinlock.h>
+#include <linux/font.h>
+#include <linux/platform_device.h>
+
+#include <video/odyssey.h>
+
+extern unsigned long xtalk_get_swin(int node, int wid);
+
+struct odyssey_par {
+	u32 pseudo_palette[256];
+
+	/* physical mmio base in HEART XTalk space */
+	unsigned long mmio_base;
+
+	/* virtual mmio base in kernel space */
+	unsigned long mmio_virt;
+
+	/* locks to prevent simultaneous user and kernel access */
+	spinlock_t lock;
+	int open_flag;
+	int mmap_flag;
+};
+
+static struct lock_class_key odyssey_lock_key;
+
+static struct fb_fix_screeninfo
+odyssey_fix = {
+	.id =		"Odyssey",
+	.smem_start =	0,
+	.smem_len =	0,
+	.type =		FB_TYPE_PACKED_PIXELS,
+	.visual =	FB_VISUAL_TRUECOLOR,
+	.xpanstep =	0,
+	.ypanstep =	0,
+	.ywrapstep =	0,
+	.line_length =	0,
+	.accel =	FB_ACCEL_SGI_ODYSSEY,
+};
+
+static struct fb_var_screeninfo
+odyssey_var = {
+	.xres =		1280,
+	.yres =		1024,
+	.xres_virtual =	1280,
+	.yres_virtual =	1024,
+	.bits_per_pixel = 24,
+	.red =		{ .offset = 0, .length = 8 },
+	.green =	{ .offset = 8, .length = 8 },
+	.blue =		{ .offset = 16, .length = 8 },
+	.transp =	{ .offset = 24, .length = 8 },
+};
+
+/* Most of the hex numbers seen in the various functions, especially those in
+ * the hardware init functions, were discovered via reverse engineering of IRIX
+ * drivers.  Little is known as to what they do or what they mean.
+ *
+ * Possibly, these hex numbers are addresses to locations outside of what we
+ * perceive as normal reality, and instead reference a location within the void
+ * itself, from which various dark and black magiks flow forth and breathe life
+ * into this hardware.
+ *
+ * If you think you can come up with a better explanation, then feel free to
+ * send a patch!
+ */
+
+/* --------------------- Gory Details --------------------- */
+#define MMIO (((struct odyssey_par *)p->par)->mmio_virt)
+#define PAR (*((struct odyssey_par *)p->par))
+
+static noinline u32
+pack_ieee754(int val)
+{
+	u32 sign, exp;
+
+	if (!val)
+		return 0;
+
+	sign = (val & 0x80000000);
+
+	if (sign)
+		val = -val;
+
+	if (val & 0xff000000)
+		return 0;
+
+	exp = 150;
+	while (!(val & 0x00800000)) {
+		val <<= 1;
+		exp--;
+	}
+
+	return (sign | (exp << 23) | (val & 0x007fffff));
+}
+
+static void
+odyssey_flush(unsigned long mmio)
+{
+	odyssey_wait_cfifo(mmio);
+	ODY_CFIFO_W(mmio) = 0x00010443;
+	ODY_CFIFO_W(mmio) = 0x000000fa;
+	ODY_CFIFO_W(mmio) = 0x00010046;
+	ODY_CFIFO_W(mmio) = 0x00010046;
+	ODY_CFIFO_W(mmio) = 0x00010019;
+	ODY_CFIFO_W(mmio) = 0x00010443;
+	ODY_CFIFO_W(mmio) = 0x00000096;
+	ODY_CFIFO_W(mmio) = 0x00010046;
+	ODY_CFIFO_W(mmio) = 0x00010046;
+	ODY_CFIFO_W(mmio) = 0x00010046;
+	ODY_CFIFO_W(mmio) = 0x00010046;
+	ODY_CFIFO_W(mmio) = 0x00010443;
+	ODY_CFIFO_W(mmio) = 0x000000fa;
+	ODY_CFIFO_W(mmio) = 0x00010046;
+	ODY_CFIFO_W(mmio) = 0x00010046;
+}
+
+static void
+odyssey_smallflush(unsigned long mmio)
+{
+	odyssey_wait_cfifo(mmio);
+	ODY_CFIFO_W(mmio) = 0x00010443;
+	ODY_CFIFO_W(mmio) = 0x000000fa;
+	ODY_CFIFO_W(mmio) = 0x00010046;
+	ODY_CFIFO_W(mmio) = 0x00010046;
+}
+
+static void
+odyssey_initbuzzgfe(unsigned long mmio)
+{
+	ODY_CFIFO_W(mmio) = 0x20008003;
+	ODY_CFIFO_W(mmio) = 0x21008010;
+	ODY_CFIFO_W(mmio) = 0x22008000;
+	ODY_CFIFO_W(mmio) = 0x23008002;
+	ODY_CFIFO_W(mmio) = 0x2400800c;
+	ODY_CFIFO_W(mmio) = 0x2500800e;
+	ODY_CFIFO_W(mmio) = 0x27008000;
+	ODY_CFIFO_W(mmio) = 0x28008000;
+	ODY_CFIFO_W(mmio) = 0x290080d6;
+	ODY_CFIFO_W(mmio) = 0x2a0080e0;
+	ODY_CFIFO_W(mmio) = 0x2c0080ea;
+	ODY_CFIFO_W(mmio) = 0x2e008380;
+	ODY_CFIFO_W(mmio) = 0x2f008000;
+	ODY_CFIFO_W(mmio) = 0x30008000;
+	ODY_CFIFO_W(mmio) = 0x31008000;
+	ODY_CFIFO_W(mmio) = 0x32008000;
+	ODY_CFIFO_W(mmio) = 0x33008000;
+	ODY_CFIFO_W(mmio) = 0x34008000;
+	ODY_CFIFO_W(mmio) = 0x35008000;
+	ODY_CFIFO_W(mmio) = 0x310081e0;
+	odyssey_flush(mmio);
+}
+
+static void
+odyssey_initbuzzxform(unsigned long mmio)
+{
+	ODY_CFIFO_W(mmio) = 0x9080bda2;
+	ODY_CFIFO_W(mmio) = 0x3f800000;
+	ODY_CFIFO_W(mmio) = 0x3f000000;
+	ODY_CFIFO_W(mmio) = 0xbf800000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x4e000000;
+	ODY_CFIFO_W(mmio) = 0x40400000;
+	ODY_CFIFO_W(mmio) = 0x4e000000;
+	ODY_CFIFO_W(mmio) = 0x4d000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x34008000;
+	ODY_CFIFO_W(mmio) = 0x9080bdc8;
+	ODY_CFIFO_W(mmio) = 0x3f800000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x3f000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x3f800000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x3f000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x3f800000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x3f800000;
+	ODY_CFIFO_W(mmio) = 0x34008010;
+	ODY_CFIFO_W(mmio) = 0x908091df;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x3f800000;
+	ODY_CFIFO_W(mmio) = 0x34008000;
+	odyssey_flush(mmio);
+}
+
+static void
+odyssey_initbuzzrast(unsigned long mmio)
+{
+	ODY_CFIFO_W(mmio) = 0x0001203b;
+	ODY_CFIFO_W(mmio) = 0x00001000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00001000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00001000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00001000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x0001084a;
+	ODY_CFIFO_W(mmio) = 0x00000080;
+	ODY_CFIFO_W(mmio) = 0x00000080;
+	ODY_CFIFO_W(mmio) = 0x00010845;
+	ODY_CFIFO_W(mmio) = 0x000000ff;
+	ODY_CFIFO_W(mmio) = 0x000076ff;
+	ODY_CFIFO_W(mmio) = 0x0001141b;
+	ODY_CFIFO_W(mmio) = 0x00000001;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00011c16;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x03000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00010404;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00011023;
+	ODY_CFIFO_W(mmio) = 0x00ff0ff0;
+	ODY_CFIFO_W(mmio) = 0x00ff0ff0;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x000000ff;
+	ODY_CFIFO_W(mmio) = 0x00011017;
+	ODY_CFIFO_W(mmio) = 0x00002000;
+	ODY_CFIFO_W(mmio) = 0x00000050;
+	ODY_CFIFO_W(mmio) = 0x20004950;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x0001204b;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x004ff3ff;
+	ODY_CFIFO_W(mmio) = 0x00ffffff;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00ffffff;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	ODY_CFIFO_W(mmio) = 0x00ffffff;
+	ODY_CFIFO_W(mmio) = 0x00000000;
+	odyssey_flush(mmio);
+}
+
+static void
+odyssey_initpbjvc(unsigned long mmio)
+{
+	int x;
+
+	odyssey_wait_dfifo(mmio, 0);
+	for (x = 0; x < 16; x++)
+		odyssey_dfifo_write(mmio, (0x2900 | x), 0x905215a6);
+
+	odyssey_wait_dfifo(mmio, 0);
+	for (x = 16; x < 32; x++)
+		odyssey_dfifo_write(mmio, (0x2900 | x), 0x905215a6);
+
+	odyssey_wait_dfifo(mmio, 0);
+	odyssey_dfifo_write(mmio, 0x2581, 0x00000000);
+}
+
+static void
+odyssey_initpbjgamma(unsigned long mmio)
+{
+	u32 i, v;
+
+	for (i = 0; i < 0x200; i++) {
+		if ((i & 15) == 0)
+			odyssey_wait_dfifo(mmio, 0);
+		v = (i >> 2);
+		v = ((v << 20) | (v << 10) | v);
+		odyssey_dfifo_write(mmio, (i + 0x1a00), v);
+	}
+
+	for (i = 0x200; i < 0x300; i++) {
+		if ((i & 15) == 0)
+			odyssey_wait_dfifo(mmio, 0);
+		v = (((i - 0x200) >> 1) + 0x80);
+		v = ((v << 20) | (v << 10) | v);
+		odyssey_dfifo_write(mmio, (i + 0x1a00), v);
+	}
+
+	for (i = 0x300; i < 0x600; i++) {
+		if ((i & 15) == 0)
+			odyssey_wait_dfifo(mmio, 0);
+		v = ((i - 0x300) + 0x100);
+		v = ((v << 20) | (v << 10) | v);
+		odyssey_dfifo_write(mmio, (i + 0x1a00), v);
+	}
+}
+
+static void
+odyssey_rect(unsigned long mmio, int x, int y, int w, int h, u32 c, int lo)
+{
+	if (lo != ODY_LO_COPY) {
+		ODY_CFIFO_W(mmio) = 0x00010404;
+		ODY_CFIFO_W(mmio) = 0x00100000;
+		ODY_CFIFO_W(mmio) = 0x00010422;	/* glLogicOp */
+		ODY_CFIFO_W(mmio) = lo;
+		odyssey_smallflush(mmio);
+	}
+
+	ODY_CFIFO_W(mmio) = 0x00014400;		/* glBegin */
+	ODY_CFIFO_W(mmio) = 0x00000007;		/* GL_QUADS */
+	ODY_CFIFO_W(mmio) = 0xc580cc08;		/* glColor3ub */
+	ODY_CFIFO_W(mmio) = (c & 255);
+	ODY_CFIFO_W(mmio) = ((c >> 8) & 255);
+	ODY_CFIFO_W(mmio) = ((c >> 16) & 255);
+	ODY_CFIFO_W(mmio) = 0x8080c800;		/* glVertex2i */
+	ODY_CFIFO_W(mmio) = x;
+	ODY_CFIFO_W(mmio) = y;
+	ODY_CFIFO_W(mmio) = 0x8080c800;		/* glVertex2i */
+	ODY_CFIFO_W(mmio) = (x + w);
+	ODY_CFIFO_W(mmio) = y;
+	ODY_CFIFO_W(mmio) = 0x8080c800;		/* glVertex2i */
+	ODY_CFIFO_W(mmio) = (x + w);
+	ODY_CFIFO_W(mmio) = (y + h);
+	ODY_CFIFO_W(mmio) = 0x8080c800;		/* glVertex2i */
+	ODY_CFIFO_W(mmio) = x;
+	ODY_CFIFO_W(mmio) = (y + h);
+	ODY_CFIFO_W(mmio) = 0x00014001;		/* glEnd */
+	odyssey_smallflush(mmio);
+
+	if (lo != ODY_LO_COPY) {
+		ODY_CFIFO_W(mmio) = 0x00010404;
+		ODY_CFIFO_W(mmio) = 0x00000000;
+		ODY_CFIFO_W(mmio) = 0x00010422;	/* glLogicOp */
+		ODY_CFIFO_W(mmio) = ODY_LO_COPY;
+		odyssey_smallflush(mmio);
+	}
+}
+
+/* ------------ Accelerated Functions --------------------- */
+static void
+odyssey_fillrect(struct fb_info *p, const struct fb_fillrect *region)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&PAR.lock, flags);
+
+	if (PAR.open_flag)
+		goto out_locked;
+
+	switch (region->rop) {
+	case ROP_XOR:
+		odyssey_rect(MMIO, region->dx, region->dy,
+				region->width, region->height,
+				((u32 *)p->pseudo_palette)[region->color],
+				ODY_LO_XOR);
+		break;
+
+	case ROP_COPY:
+	default:
+		odyssey_rect(MMIO, region->dx, region->dy,
+				region->width, region->height,
+				((u32 *)p->pseudo_palette)[region->color],
+				ODY_LO_COPY);
+		break;
+	}
+
+out_locked:
+	spin_unlock_irqrestore(&PAR.lock, flags);
+}
+
+static void
+odyssey_copyarea(struct fb_info *p, const struct fb_copyarea *area)
+{
+	u32 sx, sy, dx, dy, w, h;
+	unsigned long flags;
+
+	w = area->width;
+	h = area->height;
+
+	if ((w < 1) || (h < 1))
+		return;
+
+	spin_lock_irqsave(&PAR.lock, flags);
+	if (PAR.open_flag)
+		goto out_locked;
+
+	sx = area->sx;
+	sy = area->sy;
+	dx = area->dx;
+	dy = area->dy;
+
+	odyssey_flush(MMIO);
+	ODY_CFIFO_W(MMIO) = 0x00010658;
+	ODY_CFIFO_W(MMIO) = 0x00120000;
+	ODY_CFIFO_W(MMIO) = 0x00002031;
+	ODY_CFIFO_W(MMIO) = 0x00002000;
+	ODY_CFIFO_W(MMIO) = (sx | (sy << 16));
+	ODY_CFIFO_W(MMIO) = 0x80502050;
+	ODY_CFIFO_W(MMIO) = (w | (h << 16));	/* size */
+	ODY_CFIFO_W(MMIO) = 0x82223042;
+	ODY_CFIFO_W(MMIO) = 0x00002000;
+	ODY_CFIFO_W(MMIO) = (dx | (dy << 16));	/* dest */
+	ODY_CFIFO_W(MMIO) = 0x3222204b;
+	/* draw stuff */
+
+out_locked:
+	spin_unlock_irqrestore(&PAR.lock, flags);
+}
+
+static void
+odyssey_imageblit_8bpp(struct fb_info *p, const struct fb_image *image)
+{
+	int i, j, l;
+	const u8 *dp;
+	u32 *palette = (u32 *)p->pseudo_palette;
+
+	dp = image->data;
+
+	/* perform a PIO blit to card */
+	odyssey_smallflush(MMIO);
+	ODY_CFIFO_W(MMIO) = 0x00010405;
+	ODY_CFIFO_W(MMIO) = 0x00002400;
+	ODY_CFIFO_W(MMIO) = 0xc580cc08;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00011453;
+	ODY_CFIFO_W(MMIO) = 0x00000002;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	odyssey_flush(MMIO);
+	ODY_CFIFO_W(MMIO) = 0x2900812f;
+	ODY_CFIFO_W(MMIO) = 0x00014400;
+	ODY_CFIFO_W(MMIO) = 0x0000000a;
+	ODY_CFIFO_W(MMIO) = 0xcf80a92f;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = pack_ieee754(image->dx);
+	ODY_CFIFO_W(MMIO) = pack_ieee754(image->dy);
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = pack_ieee754(image->dx + image->width);
+	ODY_CFIFO_W(MMIO) = pack_ieee754(image->dy + image->height);
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x8080c800;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00004570;
+	ODY_CFIFO_W(MMIO) = 0x0f00104c;
+	ODY_CFIFO_W(MMIO) = 0x00000071;
+
+	for (j = 0; j < image->height; j++) {
+		ODY_CFIFO_W(MMIO) = 0x00004570;
+		ODY_CFIFO_W(MMIO) = 0x0fd1104c;
+		ODY_CFIFO_W(MMIO) = 0x00000071;
+		i = image->width;
+		while (i > 0) {
+			l = ((i > 14) ? 14 : i);
+			i -= l;
+			ODY_CFIFO_W(MMIO) = (0x00014011 | (l << 10));
+			while (l--)
+				ODY_CFIFO_W(MMIO) = palette[*(dp++)];
+		}
+	}
+
+	ODY_CFIFO_W(MMIO) = 0x00014001;
+	odyssey_smallflush(MMIO);
+	ODY_CFIFO_W(MMIO) = 0x290080d6;
+	ODY_CFIFO_W(MMIO) = 0x00011453;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00010405;
+	ODY_CFIFO_W(MMIO) = 0x00002000;
+	odyssey_flush(MMIO);
+}
+
+static void
+odyssey_imageblit_1bpp_stp(struct fb_info *p, const struct fb_image *image)
+{
+	int i;
+	u32 palf, palb, buf;
+	const u8 *pic;
+
+	palf = ((u32 *)p->pseudo_palette)[image->fg_color];
+	palb = ((u32 *)p->pseudo_palette)[image->bg_color];
+	odyssey_smallflush(MMIO);
+
+	if ((image->dy & 31) < 16)
+		ODY_CFIFO_W(MMIO) = 0x00013c4e;
+	else
+		ODY_CFIFO_W(MMIO) = 0x00013c4f;
+
+	pic = image->data;
+
+	for (i = 0; i < 16; i++) {
+		buf = *(pic++);
+		buf |= (buf << 8);
+		ODY_CFIFO_W(MMIO) = (buf | (buf << 16));
+	}
+
+	ODY_CFIFO_W(MMIO) = 0x00010404;
+	ODY_CFIFO_W(MMIO) = 0x00000018;
+	odyssey_smallflush(MMIO);
+	ODY_CFIFO_W(MMIO) = 0x0001043f;
+	ODY_CFIFO_W(MMIO) = 0x00000010;
+	ODY_CFIFO_W(MMIO) = 0x00010c21;
+	ODY_CFIFO_W(MMIO) = 0x00000200;
+	ODY_CFIFO_W(MMIO) = (((palb & 255) << 16) | ((palb >> 4) & 0xff0));
+	ODY_CFIFO_W(MMIO) = (palb & 0xff0000) | 0xfff;
+	ODY_CFIFO_W(MMIO) = 0x00014400;
+	ODY_CFIFO_W(MMIO) = 0x00010407;
+	ODY_CFIFO_W(MMIO) = 0xc580cc08;
+	ODY_CFIFO_W(MMIO) = (palf & 255);
+	ODY_CFIFO_W(MMIO) = ((palf >> 8) & 255);
+	ODY_CFIFO_W(MMIO) = ((palf >> 16) & 255);
+	ODY_CFIFO_W(MMIO) = 0x8080c800;
+	ODY_CFIFO_W(MMIO) = image->dx;
+	ODY_CFIFO_W(MMIO) = image->dy;
+	ODY_CFIFO_W(MMIO) = 0x8080c800;
+	ODY_CFIFO_W(MMIO) = (image->dx + 8);
+	ODY_CFIFO_W(MMIO) = image->dy;
+	ODY_CFIFO_W(MMIO) = 0x8080c800;
+	ODY_CFIFO_W(MMIO) = (image->dx + 8);
+	ODY_CFIFO_W(MMIO) = (image->dy + 16);
+	ODY_CFIFO_W(MMIO) = 0x8080c800;
+	ODY_CFIFO_W(MMIO) = image->dx;
+	ODY_CFIFO_W(MMIO) = (image->dy + 16);
+	ODY_CFIFO_W(MMIO) = 0x00014001;
+	odyssey_flush(MMIO);
+	ODY_CFIFO_W(MMIO) = 0x00010404;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+}
+
+/* This is a slow fallback */
+static void
+odyssey_imageblit_1bpp_pio(struct fb_info *p, const struct fb_image *image)
+{
+	int i, j, l, c;
+	const u8 *dp;
+	u8 d = 0;
+	u32 palf, palb;
+
+	dp = image->data;
+	palf = ((u32 *)p->pseudo_palette)[image->fg_color];
+	palb = ((u32 *)p->pseudo_palette)[image->bg_color];
+
+	/* perform a PIO blit to card */
+	odyssey_smallflush(MMIO);
+	ODY_CFIFO_W(MMIO) = 0x00010405;
+	ODY_CFIFO_W(MMIO) = 0x00002400;
+	ODY_CFIFO_W(MMIO) = 0xc580cc08;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00011453;
+	ODY_CFIFO_W(MMIO) = 0x00000002;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	odyssey_flush(MMIO);
+	ODY_CFIFO_W(MMIO) = 0x2900812f;
+	ODY_CFIFO_W(MMIO) = 0x00014400;
+	ODY_CFIFO_W(MMIO) = 0x0000000a;
+	ODY_CFIFO_W(MMIO) = 0xcf80a92f;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = pack_ieee754(image->dx);
+	ODY_CFIFO_W(MMIO) = pack_ieee754(image->dy);
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = pack_ieee754(image->dx + image->width);
+	ODY_CFIFO_W(MMIO) = pack_ieee754(image->dy + image->height);
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x8080c800;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00004570;
+	ODY_CFIFO_W(MMIO) = 0x0f00104c;
+	ODY_CFIFO_W(MMIO) = 0x00000071;
+
+	for (j = 0; j < image->height; j++) {
+		c = 0;
+		ODY_CFIFO_W(MMIO) = 0x00004570;
+		ODY_CFIFO_W(MMIO) = 0x0fd1104c;
+		ODY_CFIFO_W(MMIO) = 0x00000071;
+		i = image->width;
+		while (i > 0) {
+			l = ((i > 14) ? 14 : i);
+			i -= l;
+			ODY_CFIFO_W(MMIO) = (0x00014011 | (l << 10));
+			while (l--) {
+				if (!c)
+					d = *(dp++);
+				ODY_CFIFO_W(MMIO) = ((d & 0x80) ? palf : palb);
+				d <<= 1;
+				c = ((c + 1) & 7);
+			}
+		}
+	}
+
+	ODY_CFIFO_W(MMIO) = 0x00014001;
+	odyssey_smallflush(MMIO);
+	ODY_CFIFO_W(MMIO) = 0x290080d6;
+	ODY_CFIFO_W(MMIO) = 0x00011453;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00000000;
+	ODY_CFIFO_W(MMIO) = 0x00010405;
+	ODY_CFIFO_W(MMIO) = 0x00002000;
+	odyssey_flush(MMIO);
+}
+
+static void
+odyssey_imageblit(struct fb_info *p, const struct fb_image *image)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&PAR.lock, flags);
+	if (PAR.open_flag)
+		goto out_locked;
+
+	switch (image->depth) {
+	case 1:
+		if (image->width != 8 || image->height != 16 ||
+		   image->dx & 7 || image->dy & 15)
+			odyssey_imageblit_1bpp_pio(p, image);
+		else
+			odyssey_imageblit_1bpp_stp(p, image);
+		break;
+	case 8:
+		odyssey_imageblit_8bpp(p, image);
+		break;
+	}
+
+out_locked:
+	spin_unlock_irqrestore(&PAR.lock, flags);
+}
+
+static int
+odyssey_sync(struct fb_info *p)
+{
+	return 0;
+}
+
+static int
+odyssey_blank(int blank_mode, struct fb_info *p)
+{
+	/* TODO */
+	return 0;
+}
+
+static int
+odyssey_setcolreg(u32 regno, u32 red, u32 green, u32 blue, u32 transp,
+		  struct fb_info *p)
+{
+	if (regno > 255)
+		return 1;
+
+	((u32 *)p->pseudo_palette)[regno] =
+	    (red >> 8) |
+	    (green & 0xff00) |
+	    ((blue << 8) & 0xff0000);
+
+	return 0;
+}
+
+/* ------------------- Framebuffer Access -------------------- */
+ssize_t
+odyssey_read(struct fb_info *p, char __user *buf, size_t count, loff_t *ppos)
+{
+	return -EINVAL;
+}
+
+ssize_t
+odyssey_write(struct fb_info *p, const char __user *buf, size_t count,
+	      loff_t *ppos)
+{
+	return -EINVAL;
+}
+
+/* --------------------- Userland Access --------------------- */
+int
+odyssey_ioctl(struct fb_info *p, u32 cmd, unsigned long arg)
+{
+	return -EINVAL;
+}
+
+int
+odyssey_mmap(struct fb_info *p, struct vm_area_struct *vma)
+{
+	unsigned long size = vma->vm_end - vma->vm_start;
+	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
+	unsigned long start = vma->vm_start;
+
+	switch (offset) {
+	case 0x0000000:
+		if (size != 0x410000)
+			return -EINVAL;
+
+		if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
+			return -EINVAL;
+
+		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+		vma->vm_flags |= VM_IO;
+
+		offset += MMIO;
+		if (remap_pfn_range(vma, start, (offset >> PAGE_SHIFT),
+				    size, vma->vm_page_prot))
+			return -EAGAIN;
+
+		PAR.mmap_flag = 1;
+
+		return 0;
+
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int
+odyssey_open(struct fb_info *p, int user)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&PAR.lock, flags);
+
+	if (user)
+		PAR.open_flag++;
+
+	spin_unlock_irqrestore(&PAR.lock, flags);
+
+	return 0;
+}
+
+static int
+odyssey_release(struct fb_info *p, int user)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&PAR.lock, flags);
+
+	if (user && PAR.open_flag) {
+		PAR.open_flag--;
+
+		if (PAR.open_flag == 0)
+			PAR.mmap_flag = 0;
+	}
+
+	spin_unlock_irqrestore(&PAR.lock, flags);
+
+	return 0;
+}
+
+/* ---------------- Framebuffer Operations ------------------- */
+static struct fb_ops
+odyssey_ops = {
+	.owner		= THIS_MODULE,
+	.fb_read	= odyssey_read,
+	.fb_write	= odyssey_write,
+	.fb_blank	= odyssey_blank,
+	.fb_fillrect	= odyssey_fillrect,
+	.fb_copyarea	= odyssey_copyarea,
+	.fb_imageblit	= odyssey_imageblit,
+	.fb_sync	= odyssey_sync,
+	.fb_ioctl	= odyssey_ioctl,
+	.fb_setcolreg	= odyssey_setcolreg,
+	.fb_mmap	= odyssey_mmap,
+	.fb_open	= odyssey_open,
+	.fb_release	= odyssey_release,
+};
+
+/* -------------------- Initialization ----------------------- */
+static void
+odyssey_hwinit(unsigned long mmio)
+{
+	/* initialize hardware */
+	odyssey_initbuzzgfe(mmio);
+	odyssey_initbuzzxform(mmio);
+	odyssey_initbuzzrast(mmio);
+	odyssey_initpbjvc(mmio);
+	odyssey_initpbjgamma(mmio);
+}
+
+static int
+odyssey_probe(struct platform_device *dev)
+{
+	struct fb_info *info;
+	struct odyssey_par *par;
+	int retval;
+
+	retval = -ENOMEM;
+	info = framebuffer_alloc(sizeof(struct odyssey_par), &dev->dev);
+	if (!info)
+		goto err_out;
+
+	info->screen_base = NULL;
+	info->fbops = &odyssey_ops;
+	info->var = odyssey_var;
+	info->fix = odyssey_fix;
+	info->flags =  (FBINFO_HWACCEL_COPYAREA |
+			FBINFO_HWACCEL_FILLRECT |
+			FBINFO_HWACCEL_IMAGEBLIT);
+
+	par = info->par;
+	spin_lock_init(&par->lock);
+	lockdep_set_class(&par->lock, &odyssey_lock_key);
+	par->open_flag = 0;
+	par->mmap_flag = 0;
+	par->mmio_base = xtalk_get_swin(0, dev->id);
+	par->mmio_virt = (unsigned long)ioremap(par->mmio_base, 0x410000);
+
+	info->pseudo_palette = par->pseudo_palette;
+	info->fix.mmio_start = par->mmio_base;
+	info->fix.mmio_len   = 0x410000;
+
+	odyssey_hwinit(par->mmio_virt);
+
+	/* This has to been done [sic] */
+	retval = fb_alloc_cmap(&info->cmap, 256, 0);
+	if (retval < 0)
+		goto err_alloc_cmap;
+
+	retval = register_framebuffer(info);
+	if (retval < 0)
+		goto err_reg_fb;
+
+	platform_set_drvdata(dev, info);
+	printk(KERN_INFO "fb%d: %s frame buffer device\n",
+				info->node, info->fix.id);
+
+	return 0;
+
+err_reg_fb:
+	fb_dealloc_cmap(&info->cmap);
+err_alloc_cmap:
+	framebuffer_release(info);
+err_out:
+	return retval;
+}
+
+static struct platform_driver
+odyssey_driver = {
+	.probe = odyssey_probe,
+	/* add remove someday */
+	.driver = {
+		.name = "odyssey",
+	},
+};
+
+static int __init
+odyssey_init(void)
+{
+	return platform_driver_register(&odyssey_driver);
+}
+
+static void __exit
+odyssey_exit(void)
+{
+	platform_driver_unregister(&odyssey_driver);
+}
+
+module_init(odyssey_init);
+module_exit(odyssey_exit);
+
+MODULE_AUTHOR("Stanislaw Skowronek <skylark@unaligned.org>");
+MODULE_AUTHOR("Johannes Dickgreber <tanzy@gmx.de>");
+MODULE_AUTHOR("Joshua Kinard <kumba@gentoo.org>");
+MODULE_DESCRIPTION("SGI Odyssey/VPro Video Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("0.42.2");
+MODULE_ALIAS("platform:odyssey");
diff --git a/include/uapi/linux/fb.h b/include/uapi/linux/fb.h
index 2ebb46eaccfd..52fa9254c9ce 100644
--- a/include/uapi/linux/fb.h
+++ b/include/uapi/linux/fb.h
@@ -134,6 +134,7 @@
 #define FB_ACCEL_NEOMAGIC_NM2380 98	/* NeoMagic NM2380              */
 #define FB_ACCEL_PXA3XX		 99	/* PXA3xx			*/
 #define FB_ACCEL_SGI_IMPACT	666	/* SGI Impact (MGRAS)		*/
+#define FB_ACCEL_SGI_ODYSSEY	668	/* SGI Odyssey (VPro / Buzz)	*/
 
 #define FB_ACCEL_SAVAGE4        0x80	/* S3 Savage4                   */
 #define FB_ACCEL_SAVAGE3D       0x81	/* S3 Savage3D                  */
diff --git a/include/video/odyssey.h b/include/video/odyssey.h
new file mode 100644
index 000000000000..cfc1bfe9e827
--- /dev/null
+++ b/include/video/odyssey.h
@@ -0,0 +1,84 @@
+/*
+ * include/video/odyssey.h -- SGI Odyssey/VPro Graphics
+ *
+ * Copyright (c) 2005 by Stanislaw Skowronek
+ * Copyright (c) 2007-2009 by Johannes Dickgreber (platform_driver conversion)
+ * Copyright (c) 2011-2015 by Joshua Kinard (fixes, maintenance)
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#ifndef ODYSSEY_H
+#define ODYSSEY_H
+
+/* Xtalk */
+#define ODY_XTALK_MFGR			0x023
+#define ODY_XTALK_PART			0xc013
+
+/* Convenient access macros */
+#define ODY_REG64(vma, off)		(*(volatile u64 *)((vma) + (off)))
+#define ODY_REG32(vma, off)		(*(volatile u32 *)((vma) + (off)))
+
+/* Odyssey registers */
+#define ODY_CFIFO_D(vma)		ODY_REG64(vma, 0x110000)
+#define ODY_CFIFO_W(vma)		ODY_REG32(vma, 0x110000)
+
+#define ODY_DFIFO_D(vma)		ODY_REG64(vma, 0x400000)
+#define ODY_DFIFO_W(vma)		ODY_REG32(vma, 0x400000)
+
+#define ODY_STATUS0(vma)		ODY_REG32(vma, 0x001064)
+#define ODY_STATUS0_CFIFO_HW		0x00008000
+#define ODY_STATUS0_CFIFO_LW		0x00020000
+#define ODY_DBESTAT(vma)		ODY_REG32(vma, 0x00106c)
+
+/*
+ * Logic operations for the PP1:
+ * - SI = source invert
+ * - DI = dest invert
+ * - RI = result invert
+ */
+#define ODY_LO_AND			0x01
+#define ODY_LO_SI_AND			0x04
+#define ODY_LO_DI_AND			0x02
+#define ODY_LO_RI_AND			0x0e
+
+#define ODY_LO_OR			0x07
+#define ODY_LO_SI_OR			0x0d
+#define ODY_LO_DI_OR			0x0b
+#define ODY_LO_RI_OR			0x08
+
+#define ODY_LO_XOR			0x06
+#define ODY_LO_RI_XOR			0x09
+
+#define ODY_LO_NOP			0x05
+#define ODY_LO_RI_NOP			0x0a
+
+#define ODY_LO_COPY			0x03
+#define ODY_LO_RI_COPY			0x0c
+
+#define ODY_LO_CLEAR			0x00
+#define ODY_LO_SET			0x0f
+
+static inline void
+odyssey_wait_cfifo(unsigned long mmio)
+{
+	while (!(ODY_STATUS0(mmio) & ODY_STATUS0_CFIFO_LW))
+		;
+}
+
+static inline void
+odyssey_wait_dfifo(u64 mmio, int lw)
+{
+	while ((ODY_DBESTAT(mmio) & 0x7f) > lw)
+		;
+}
+
+static inline void
+odyssey_dfifo_write(u64 mmio, u32 reg, u32 val)
+{
+	ODY_DFIFO_D(mmio) = (((u64)(0x30000001 | (reg << 14)) << 32) | val);
+}
+
+#endif /* ODYSSEY_H */