drm/radeon: remove UMS support

It's been deprecated behind a kconfig option for almost
two years and hasn't really been supported for years before
that.  DDX support was dropped more than three years ago.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 0 insertions, 2243 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
deleted file mode 100644
index 500287eff55d..000000000000
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ /dev/null
@@ -1,2243 +0,0 @@
-/* radeon_cp.c -- CP support for Radeon -*- linux-c -*- */
-/*
- * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
- * Copyright 2007 Advanced Micro Devices, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *    Kevin E. Martin <martin@valinux.com>
- *    Gareth Hughes <gareth@valinux.com>
- *
- * ------------------------ This file is DEPRECATED! -------------------------
- */
-
-#include <linux/module.h>
-
-#include <drm/drmP.h>
-#include <drm/radeon_drm.h>
-#include "radeon_drv.h"
-#include "r300_reg.h"
-
-#define RADEON_FIFO_DEBUG	0
-
-/* Firmware Names */
-#define FIRMWARE_R100		"radeon/R100_cp.bin"
-#define FIRMWARE_R200		"radeon/R200_cp.bin"
-#define FIRMWARE_R300		"radeon/R300_cp.bin"
-#define FIRMWARE_R420		"radeon/R420_cp.bin"
-#define FIRMWARE_RS690		"radeon/RS690_cp.bin"
-#define FIRMWARE_RS600		"radeon/RS600_cp.bin"
-#define FIRMWARE_R520		"radeon/R520_cp.bin"
-
-MODULE_FIRMWARE(FIRMWARE_R100);
-MODULE_FIRMWARE(FIRMWARE_R200);
-MODULE_FIRMWARE(FIRMWARE_R300);
-MODULE_FIRMWARE(FIRMWARE_R420);
-MODULE_FIRMWARE(FIRMWARE_RS690);
-MODULE_FIRMWARE(FIRMWARE_RS600);
-MODULE_FIRMWARE(FIRMWARE_R520);
-
-static int radeon_do_cleanup_cp(struct drm_device * dev);
-static void radeon_do_cp_start(drm_radeon_private_t * dev_priv);
-
-u32 radeon_read_ring_rptr(drm_radeon_private_t *dev_priv, u32 off)
-{
-	u32 val;
-
-	if (dev_priv->flags & RADEON_IS_AGP) {
-		val = DRM_READ32(dev_priv->ring_rptr, off);
-	} else {
-		val = *(((volatile u32 *)
-			 dev_priv->ring_rptr->handle) +
-			(off / sizeof(u32)));
-		val = le32_to_cpu(val);
-	}
-	return val;
-}
-
-u32 radeon_get_ring_head(drm_radeon_private_t *dev_priv)
-{
-	if (dev_priv->writeback_works)
-		return radeon_read_ring_rptr(dev_priv, 0);
-	else {
-		if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-			return RADEON_READ(R600_CP_RB_RPTR);
-		else
-			return RADEON_READ(RADEON_CP_RB_RPTR);
-	}
-}
-
-void radeon_write_ring_rptr(drm_radeon_private_t *dev_priv, u32 off, u32 val)
-{
-	if (dev_priv->flags & RADEON_IS_AGP)
-		DRM_WRITE32(dev_priv->ring_rptr, off, val);
-	else
-		*(((volatile u32 *) dev_priv->ring_rptr->handle) +
-		  (off / sizeof(u32))) = cpu_to_le32(val);
-}
-
-void radeon_set_ring_head(drm_radeon_private_t *dev_priv, u32 val)
-{
-	radeon_write_ring_rptr(dev_priv, 0, val);
-}
-
-u32 radeon_get_scratch(drm_radeon_private_t *dev_priv, int index)
-{
-	if (dev_priv->writeback_works) {
-		if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-			return radeon_read_ring_rptr(dev_priv,
-						     R600_SCRATCHOFF(index));
-		else
-			return radeon_read_ring_rptr(dev_priv,
-						     RADEON_SCRATCHOFF(index));
-	} else {
-		if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-			return RADEON_READ(R600_SCRATCH_REG0 + 4*index);
-		else
-			return RADEON_READ(RADEON_SCRATCH_REG0 + 4*index);
-	}
-}
-
-static u32 R500_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
-{
-	u32 ret;
-	RADEON_WRITE(R520_MC_IND_INDEX, 0x7f0000 | (addr & 0xff));
-	ret = RADEON_READ(R520_MC_IND_DATA);
-	RADEON_WRITE(R520_MC_IND_INDEX, 0);
-	return ret;
-}
-
-static u32 RS480_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
-{
-	u32 ret;
-	RADEON_WRITE(RS480_NB_MC_INDEX, addr & 0xff);
-	ret = RADEON_READ(RS480_NB_MC_DATA);
-	RADEON_WRITE(RS480_NB_MC_INDEX, 0xff);
-	return ret;
-}
-
-static u32 RS690_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
-{
-	u32 ret;
-	RADEON_WRITE(RS690_MC_INDEX, (addr & RS690_MC_INDEX_MASK));
-	ret = RADEON_READ(RS690_MC_DATA);
-	RADEON_WRITE(RS690_MC_INDEX, RS690_MC_INDEX_MASK);
-	return ret;
-}
-
-static u32 RS600_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
-{
-	u32 ret;
-	RADEON_WRITE(RS600_MC_INDEX, ((addr & RS600_MC_ADDR_MASK) |
-				      RS600_MC_IND_CITF_ARB0));
-	ret = RADEON_READ(RS600_MC_DATA);
-	return ret;
-}
-
-static u32 IGP_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
-{
-	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
-	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
-		return RS690_READ_MCIND(dev_priv, addr);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
-		return RS600_READ_MCIND(dev_priv, addr);
-	else
-		return RS480_READ_MCIND(dev_priv, addr);
-}
-
-u32 radeon_read_fb_location(drm_radeon_private_t *dev_priv)
-{
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
-		return RADEON_READ(R700_MC_VM_FB_LOCATION);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-		return RADEON_READ(R600_MC_VM_FB_LOCATION);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
-		return R500_READ_MCIND(dev_priv, RV515_MC_FB_LOCATION);
-	else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
-		 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
-		return RS690_READ_MCIND(dev_priv, RS690_MC_FB_LOCATION);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
-		return RS600_READ_MCIND(dev_priv, RS600_MC_FB_LOCATION);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
-		return R500_READ_MCIND(dev_priv, R520_MC_FB_LOCATION);
-	else
-		return RADEON_READ(RADEON_MC_FB_LOCATION);
-}
-
-static void radeon_write_fb_location(drm_radeon_private_t *dev_priv, u32 fb_loc)
-{
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
-		RADEON_WRITE(R700_MC_VM_FB_LOCATION, fb_loc);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-		RADEON_WRITE(R600_MC_VM_FB_LOCATION, fb_loc);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
-		R500_WRITE_MCIND(RV515_MC_FB_LOCATION, fb_loc);
-	else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
-		 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
-		RS690_WRITE_MCIND(RS690_MC_FB_LOCATION, fb_loc);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
-		RS600_WRITE_MCIND(RS600_MC_FB_LOCATION, fb_loc);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
-		R500_WRITE_MCIND(R520_MC_FB_LOCATION, fb_loc);
-	else
-		RADEON_WRITE(RADEON_MC_FB_LOCATION, fb_loc);
-}
-
-void radeon_write_agp_location(drm_radeon_private_t *dev_priv, u32 agp_loc)
-{
-	/*R6xx/R7xx: AGP_TOP and BOT are actually 18 bits each */
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770) {
-		RADEON_WRITE(R700_MC_VM_AGP_BOT, agp_loc & 0xffff); /* FIX ME */
-		RADEON_WRITE(R700_MC_VM_AGP_TOP, (agp_loc >> 16) & 0xffff);
-	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) {
-		RADEON_WRITE(R600_MC_VM_AGP_BOT, agp_loc & 0xffff); /* FIX ME */
-		RADEON_WRITE(R600_MC_VM_AGP_TOP, (agp_loc >> 16) & 0xffff);
-	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
-		R500_WRITE_MCIND(RV515_MC_AGP_LOCATION, agp_loc);
-	else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
-		 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
-		RS690_WRITE_MCIND(RS690_MC_AGP_LOCATION, agp_loc);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
-		RS600_WRITE_MCIND(RS600_MC_AGP_LOCATION, agp_loc);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
-		R500_WRITE_MCIND(R520_MC_AGP_LOCATION, agp_loc);
-	else
-		RADEON_WRITE(RADEON_MC_AGP_LOCATION, agp_loc);
-}
-
-void radeon_write_agp_base(drm_radeon_private_t *dev_priv, u64 agp_base)
-{
-	u32 agp_base_hi = upper_32_bits(agp_base);
-	u32 agp_base_lo = agp_base & 0xffffffff;
-	u32 r6xx_agp_base = (agp_base >> 22) & 0x3ffff;
-
-	/* R6xx/R7xx must be aligned to a 4MB boundary */
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV770)
-		RADEON_WRITE(R700_MC_VM_AGP_BASE, r6xx_agp_base);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-		RADEON_WRITE(R600_MC_VM_AGP_BASE, r6xx_agp_base);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515) {
-		R500_WRITE_MCIND(RV515_MC_AGP_BASE, agp_base_lo);
-		R500_WRITE_MCIND(RV515_MC_AGP_BASE_2, agp_base_hi);
-	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
-		 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) {
-		RS690_WRITE_MCIND(RS690_MC_AGP_BASE, agp_base_lo);
-		RS690_WRITE_MCIND(RS690_MC_AGP_BASE_2, agp_base_hi);
-	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) {
-		RS600_WRITE_MCIND(RS600_AGP_BASE, agp_base_lo);
-		RS600_WRITE_MCIND(RS600_AGP_BASE_2, agp_base_hi);
-	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) {
-		R500_WRITE_MCIND(R520_MC_AGP_BASE, agp_base_lo);
-		R500_WRITE_MCIND(R520_MC_AGP_BASE_2, agp_base_hi);
-	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS400) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS480)) {
-		RADEON_WRITE(RADEON_AGP_BASE, agp_base_lo);
-		RADEON_WRITE(RS480_AGP_BASE_2, agp_base_hi);
-	} else {
-		RADEON_WRITE(RADEON_AGP_BASE, agp_base_lo);
-		if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R200)
-			RADEON_WRITE(RADEON_AGP_BASE_2, agp_base_hi);
-	}
-}
-
-void radeon_enable_bm(struct drm_radeon_private *dev_priv)
-{
-	u32 tmp;
-	/* Turn on bus mastering */
-	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
-	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) {
-		/* rs600/rs690/rs740 */
-		tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
-		RADEON_WRITE(RADEON_BUS_CNTL, tmp);
-	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV350) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R420) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS400) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS480)) {
-		/* r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
-		tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
-		RADEON_WRITE(RADEON_BUS_CNTL, tmp);
-	} /* PCIE cards appears to not need this */
-}
-
-static int RADEON_READ_PLL(struct drm_device * dev, int addr)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-
-	RADEON_WRITE8(RADEON_CLOCK_CNTL_INDEX, addr & 0x1f);
-	return RADEON_READ(RADEON_CLOCK_CNTL_DATA);
-}
-
-static u32 RADEON_READ_PCIE(drm_radeon_private_t *dev_priv, int addr)
-{
-	RADEON_WRITE8(RADEON_PCIE_INDEX, addr & 0xff);
-	return RADEON_READ(RADEON_PCIE_DATA);
-}
-
-#if RADEON_FIFO_DEBUG
-static void radeon_status(drm_radeon_private_t * dev_priv)
-{
-	printk("%s:\n", __func__);
-	printk("RBBM_STATUS = 0x%08x\n",
-	       (unsigned int)RADEON_READ(RADEON_RBBM_STATUS));
-	printk("CP_RB_RTPR = 0x%08x\n",
-	       (unsigned int)RADEON_READ(RADEON_CP_RB_RPTR));
-	printk("CP_RB_WTPR = 0x%08x\n",
-	       (unsigned int)RADEON_READ(RADEON_CP_RB_WPTR));
-	printk("AIC_CNTL = 0x%08x\n",
-	       (unsigned int)RADEON_READ(RADEON_AIC_CNTL));
-	printk("AIC_STAT = 0x%08x\n",
-	       (unsigned int)RADEON_READ(RADEON_AIC_STAT));
-	printk("AIC_PT_BASE = 0x%08x\n",
-	       (unsigned int)RADEON_READ(RADEON_AIC_PT_BASE));
-	printk("TLB_ADDR = 0x%08x\n",
-	       (unsigned int)RADEON_READ(RADEON_AIC_TLB_ADDR));
-	printk("TLB_DATA = 0x%08x\n",
-	       (unsigned int)RADEON_READ(RADEON_AIC_TLB_DATA));
-}
-#endif
-
-/* ================================================================
- * Engine, FIFO control
- */
-
-static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
-{
-	u32 tmp;
-	int i;
-
-	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV280) {
-		tmp = RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT);
-		tmp |= RADEON_RB3D_DC_FLUSH_ALL;
-		RADEON_WRITE(RADEON_RB3D_DSTCACHE_CTLSTAT, tmp);
-
-		for (i = 0; i < dev_priv->usec_timeout; i++) {
-			if (!(RADEON_READ(RADEON_RB3D_DSTCACHE_CTLSTAT)
-			      & RADEON_RB3D_DC_BUSY)) {
-				return 0;
-			}
-			DRM_UDELAY(1);
-		}
-	} else {
-		/* don't flush or purge cache here or lockup */
-		return 0;
-	}
-
-#if RADEON_FIFO_DEBUG
-	DRM_ERROR("failed!\n");
-	radeon_status(dev_priv);
-#endif
-	return -EBUSY;
-}
-
-static int radeon_do_wait_for_fifo(drm_radeon_private_t * dev_priv, int entries)
-{
-	int i;
-
-	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
-
-	for (i = 0; i < dev_priv->usec_timeout; i++) {
-		int slots = (RADEON_READ(RADEON_RBBM_STATUS)
-			     & RADEON_RBBM_FIFOCNT_MASK);
-		if (slots >= entries)
-			return 0;
-		DRM_UDELAY(1);
-	}
-	DRM_DEBUG("wait for fifo failed status : 0x%08X 0x%08X\n",
-		 RADEON_READ(RADEON_RBBM_STATUS),
-		 RADEON_READ(R300_VAP_CNTL_STATUS));
-
-#if RADEON_FIFO_DEBUG
-	DRM_ERROR("failed!\n");
-	radeon_status(dev_priv);
-#endif
-	return -EBUSY;
-}
-
-static int radeon_do_wait_for_idle(drm_radeon_private_t * dev_priv)
-{
-	int i, ret;
-
-	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
-
-	ret = radeon_do_wait_for_fifo(dev_priv, 64);
-	if (ret)
-		return ret;
-
-	for (i = 0; i < dev_priv->usec_timeout; i++) {
-		if (!(RADEON_READ(RADEON_RBBM_STATUS)
-		      & RADEON_RBBM_ACTIVE)) {
-			radeon_do_pixcache_flush(dev_priv);
-			return 0;
-		}
-		DRM_UDELAY(1);
-	}
-	DRM_DEBUG("wait idle failed status : 0x%08X 0x%08X\n",
-		 RADEON_READ(RADEON_RBBM_STATUS),
-		 RADEON_READ(R300_VAP_CNTL_STATUS));
-
-#if RADEON_FIFO_DEBUG
-	DRM_ERROR("failed!\n");
-	radeon_status(dev_priv);
-#endif
-	return -EBUSY;
-}
-
-static void radeon_init_pipes(struct drm_device *dev)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	uint32_t gb_tile_config, gb_pipe_sel = 0;
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV530) {
-		uint32_t z_pipe_sel = RADEON_READ(RV530_GB_PIPE_SELECT2);
-		if ((z_pipe_sel & 3) == 3)
-			dev_priv->num_z_pipes = 2;
-		else
-			dev_priv->num_z_pipes = 1;
-	} else
-		dev_priv->num_z_pipes = 1;
-
-	/* RS4xx/RS6xx/R4xx/R5xx */
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R420) {
-		gb_pipe_sel = RADEON_READ(R400_GB_PIPE_SELECT);
-		dev_priv->num_gb_pipes = ((gb_pipe_sel >> 12) & 0x3) + 1;
-		/* SE cards have 1 pipe */
-		if ((dev->pdev->device == 0x5e4c) ||
-		    (dev->pdev->device == 0x5e4f))
-			dev_priv->num_gb_pipes = 1;
-	} else {
-		/* R3xx */
-		if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300 &&
-		     dev->pdev->device != 0x4144) ||
-		    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350 &&
-		     dev->pdev->device != 0x4148)) {
-			dev_priv->num_gb_pipes = 2;
-		} else {
-			/* RV3xx/R300 AD/R350 AH */
-			dev_priv->num_gb_pipes = 1;
-		}
-	}
-	DRM_INFO("Num pipes: %d\n", dev_priv->num_gb_pipes);
-
-	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16 /*| R300_SUBPIXEL_1_16*/);
-
-	switch (dev_priv->num_gb_pipes) {
-	case 2: gb_tile_config |= R300_PIPE_COUNT_R300; break;
-	case 3: gb_tile_config |= R300_PIPE_COUNT_R420_3P; break;
-	case 4: gb_tile_config |= R300_PIPE_COUNT_R420; break;
-	default:
-	case 1: gb_tile_config |= R300_PIPE_COUNT_RV350; break;
-	}
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV515) {
-		RADEON_WRITE_PLL(R500_DYN_SCLK_PWMEM_PIPE, (1 | ((gb_pipe_sel >> 8) & 0xf) << 4));
-		RADEON_WRITE(R300_SU_REG_DEST, ((1 << dev_priv->num_gb_pipes) - 1));
-	}
-	RADEON_WRITE(R300_GB_TILE_CONFIG, gb_tile_config);
-	radeon_do_wait_for_idle(dev_priv);
-	RADEON_WRITE(R300_DST_PIPE_CONFIG, RADEON_READ(R300_DST_PIPE_CONFIG) | R300_PIPE_AUTO_CONFIG);
-	RADEON_WRITE(R300_RB2D_DSTCACHE_MODE, (RADEON_READ(R300_RB2D_DSTCACHE_MODE) |
-					       R300_DC_AUTOFLUSH_ENABLE |
-					       R300_DC_DC_DISABLE_IGNORE_PE));
-
-
-}
-
-/* ================================================================
- * CP control, initialization
- */
-
-/* Load the microcode for the CP */
-static int radeon_cp_init_microcode(drm_radeon_private_t *dev_priv)
-{
-	struct platform_device *pdev;
-	const char *fw_name = NULL;
-	int err;
-
-	DRM_DEBUG("\n");
-
-	pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
-	err = IS_ERR(pdev);
-	if (err) {
-		printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
-		return -EINVAL;
-	}
-
-	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R100) ||
-	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV100) ||
-	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV200) ||
-	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS100) ||
-	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS200)) {
-		DRM_INFO("Loading R100 Microcode\n");
-		fw_name = FIRMWARE_R100;
-	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R200) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV250) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV280) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS300)) {
-		DRM_INFO("Loading R200 Microcode\n");
-		fw_name = FIRMWARE_R200;
-	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV350) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV380) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS400) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS480)) {
-		DRM_INFO("Loading R300 Microcode\n");
-		fw_name = FIRMWARE_R300;
-	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R420) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R423) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV410)) {
-		DRM_INFO("Loading R400 Microcode\n");
-		fw_name = FIRMWARE_R420;
-	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) {
-		DRM_INFO("Loading RS690/RS740 Microcode\n");
-		fw_name = FIRMWARE_RS690;
-	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) {
-		DRM_INFO("Loading RS600 Microcode\n");
-		fw_name = FIRMWARE_RS600;
-	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R520) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV530) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R580) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV560) ||
-		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV570)) {
-		DRM_INFO("Loading R500 Microcode\n");
-		fw_name = FIRMWARE_R520;
-	}
-
-	err = request_firmware(&dev_priv->me_fw, fw_name, &pdev->dev);
-	platform_device_unregister(pdev);
-	if (err) {
-		printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
-		       fw_name);
-	} else if (dev_priv->me_fw->size % 8) {
-		printk(KERN_ERR
-		       "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
-		       dev_priv->me_fw->size, fw_name);
-		err = -EINVAL;
-		release_firmware(dev_priv->me_fw);
-		dev_priv->me_fw = NULL;
-	}
-	return err;
-}
-
-static void radeon_cp_load_microcode(drm_radeon_private_t *dev_priv)
-{
-	const __be32 *fw_data;
-	int i, size;
-
-	radeon_do_wait_for_idle(dev_priv);
-
-	if (dev_priv->me_fw) {
-		size = dev_priv->me_fw->size / 4;
-		fw_data = (const __be32 *)&dev_priv->me_fw->data[0];
-		RADEON_WRITE(RADEON_CP_ME_RAM_ADDR, 0);
-		for (i = 0; i < size; i += 2) {
-			RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
-				     be32_to_cpup(&fw_data[i]));
-			RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
-				     be32_to_cpup(&fw_data[i + 1]));
-		}
-	}
-}
-
-/* Flush any pending commands to the CP.  This should only be used just
- * prior to a wait for idle, as it informs the engine that the command
- * stream is ending.
- */
-static void radeon_do_cp_flush(drm_radeon_private_t * dev_priv)
-{
-	DRM_DEBUG("\n");
-#if 0
-	u32 tmp;
-
-	tmp = RADEON_READ(RADEON_CP_RB_WPTR) | (1 << 31);
-	RADEON_WRITE(RADEON_CP_RB_WPTR, tmp);
-#endif
-}
-
-/* Wait for the CP to go idle.
- */
-int radeon_do_cp_idle(drm_radeon_private_t * dev_priv)
-{
-	RING_LOCALS;
-	DRM_DEBUG("\n");
-
-	BEGIN_RING(6);
-
-	RADEON_PURGE_CACHE();
-	RADEON_PURGE_ZCACHE();
-	RADEON_WAIT_UNTIL_IDLE();
-
-	ADVANCE_RING();
-	COMMIT_RING();
-
-	return radeon_do_wait_for_idle(dev_priv);
-}
-
-/* Start the Command Processor.
- */
-static void radeon_do_cp_start(drm_radeon_private_t * dev_priv)
-{
-	RING_LOCALS;
-	DRM_DEBUG("\n");
-
-	radeon_do_wait_for_idle(dev_priv);
-
-	RADEON_WRITE(RADEON_CP_CSQ_CNTL, dev_priv->cp_mode);
-
-	dev_priv->cp_running = 1;
-
-	/* on r420, any DMA from CP to system memory while 2D is active
-	 * can cause a hang.  workaround is to queue a CP RESYNC token
-	 */
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R420) {
-		BEGIN_RING(3);
-		OUT_RING(CP_PACKET0(R300_CP_RESYNC_ADDR, 1));
-		OUT_RING(5); /* scratch reg 5 */
-		OUT_RING(0xdeadbeef);
-		ADVANCE_RING();
-		COMMIT_RING();
-	}
-
-	BEGIN_RING(8);
-	/* isync can only be written through cp on r5xx write it here */
-	OUT_RING(CP_PACKET0(RADEON_ISYNC_CNTL, 0));
-	OUT_RING(RADEON_ISYNC_ANY2D_IDLE3D |
-		 RADEON_ISYNC_ANY3D_IDLE2D |
-		 RADEON_ISYNC_WAIT_IDLEGUI |
-		 RADEON_ISYNC_CPSCRATCH_IDLEGUI);
-	RADEON_PURGE_CACHE();
-	RADEON_PURGE_ZCACHE();
-	RADEON_WAIT_UNTIL_IDLE();
-	ADVANCE_RING();
-	COMMIT_RING();
-
-	dev_priv->track_flush |= RADEON_FLUSH_EMITED | RADEON_PURGE_EMITED;
-}
-
-/* Reset the Command Processor.  This will not flush any pending
- * commands, so you must wait for the CP command stream to complete
- * before calling this routine.
- */
-static void radeon_do_cp_reset(drm_radeon_private_t * dev_priv)
-{
-	u32 cur_read_ptr;
-	DRM_DEBUG("\n");
-
-	cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
-	RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
-	SET_RING_HEAD(dev_priv, cur_read_ptr);
-	dev_priv->ring.tail = cur_read_ptr;
-}
-
-/* Stop the Command Processor.  This will not flush any pending
- * commands, so you must flush the command stream and wait for the CP
- * to go idle before calling this routine.
- */
-static void radeon_do_cp_stop(drm_radeon_private_t * dev_priv)
-{
-	RING_LOCALS;
-	DRM_DEBUG("\n");
-
-	/* finish the pending CP_RESYNC token */
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R420) {
-		BEGIN_RING(2);
-		OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
-		OUT_RING(R300_RB3D_DC_FINISH);
-		ADVANCE_RING();
-		COMMIT_RING();
-		radeon_do_wait_for_idle(dev_priv);
-	}
-
-	RADEON_WRITE(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS);
-
-	dev_priv->cp_running = 0;
-}
-
-/* Reset the engine.  This will stop the CP if it is running.
- */
-static int radeon_do_engine_reset(struct drm_device * dev)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	u32 clock_cntl_index = 0, mclk_cntl = 0, rbbm_soft_reset;
-	DRM_DEBUG("\n");
-
-	radeon_do_pixcache_flush(dev_priv);
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV410) {
-		/* may need something similar for newer chips */
-		clock_cntl_index = RADEON_READ(RADEON_CLOCK_CNTL_INDEX);
-		mclk_cntl = RADEON_READ_PLL(dev, RADEON_MCLK_CNTL);
-
-		RADEON_WRITE_PLL(RADEON_MCLK_CNTL, (mclk_cntl |
-						    RADEON_FORCEON_MCLKA |
-						    RADEON_FORCEON_MCLKB |
-						    RADEON_FORCEON_YCLKA |
-						    RADEON_FORCEON_YCLKB |
-						    RADEON_FORCEON_MC |
-						    RADEON_FORCEON_AIC));
-	}
-
-	rbbm_soft_reset = RADEON_READ(RADEON_RBBM_SOFT_RESET);
-
-	RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset |
-					      RADEON_SOFT_RESET_CP |
-					      RADEON_SOFT_RESET_HI |
-					      RADEON_SOFT_RESET_SE |
-					      RADEON_SOFT_RESET_RE |
-					      RADEON_SOFT_RESET_PP |
-					      RADEON_SOFT_RESET_E2 |
-					      RADEON_SOFT_RESET_RB));
-	RADEON_READ(RADEON_RBBM_SOFT_RESET);
-	RADEON_WRITE(RADEON_RBBM_SOFT_RESET, (rbbm_soft_reset &
-					      ~(RADEON_SOFT_RESET_CP |
-						RADEON_SOFT_RESET_HI |
-						RADEON_SOFT_RESET_SE |
-						RADEON_SOFT_RESET_RE |
-						RADEON_SOFT_RESET_PP |
-						RADEON_SOFT_RESET_E2 |
-						RADEON_SOFT_RESET_RB)));
-	RADEON_READ(RADEON_RBBM_SOFT_RESET);
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) <= CHIP_RV410) {
-		RADEON_WRITE_PLL(RADEON_MCLK_CNTL, mclk_cntl);
-		RADEON_WRITE(RADEON_CLOCK_CNTL_INDEX, clock_cntl_index);
-		RADEON_WRITE(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset);
-	}
-
-	/* setup the raster pipes */
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R300)
-	    radeon_init_pipes(dev);
-
-	/* Reset the CP ring */
-	radeon_do_cp_reset(dev_priv);
-
-	/* The CP is no longer running after an engine reset */
-	dev_priv->cp_running = 0;
-
-	/* Reset any pending vertex, indirect buffers */
-	radeon_freelist_reset(dev);
-
-	return 0;
-}
-
-static void radeon_cp_init_ring_buffer(struct drm_device * dev,
-				       drm_radeon_private_t *dev_priv,
-				       struct drm_file *file_priv)
-{
-	struct drm_radeon_master_private *master_priv;
-	u32 ring_start, cur_read_ptr;
-
-	/* Initialize the memory controller. With new memory map, the fb location
-	 * is not changed, it should have been properly initialized already. Part
-	 * of the problem is that the code below is bogus, assuming the GART is
-	 * always appended to the fb which is not necessarily the case
-	 */
-	if (!dev_priv->new_memmap)
-		radeon_write_fb_location(dev_priv,
-			     ((dev_priv->gart_vm_start - 1) & 0xffff0000)
-			     | (dev_priv->fb_location >> 16));
-
-#if IS_ENABLED(CONFIG_AGP)
-	if (dev_priv->flags & RADEON_IS_AGP) {
-		radeon_write_agp_base(dev_priv, dev->agp->base);
-
-		radeon_write_agp_location(dev_priv,
-			     (((dev_priv->gart_vm_start - 1 +
-				dev_priv->gart_size) & 0xffff0000) |
-			      (dev_priv->gart_vm_start >> 16)));
-
-		ring_start = (dev_priv->cp_ring->offset
-			      - dev->agp->base
-			      + dev_priv->gart_vm_start);
-	} else
-#endif
-		ring_start = (dev_priv->cp_ring->offset
-			      - (unsigned long)dev->sg->virtual
-			      + dev_priv->gart_vm_start);
-
-	RADEON_WRITE(RADEON_CP_RB_BASE, ring_start);
-
-	/* Set the write pointer delay */
-	RADEON_WRITE(RADEON_CP_RB_WPTR_DELAY, 0);
-
-	/* Initialize the ring buffer's read and write pointers */
-	cur_read_ptr = RADEON_READ(RADEON_CP_RB_RPTR);
-	RADEON_WRITE(RADEON_CP_RB_WPTR, cur_read_ptr);
-	SET_RING_HEAD(dev_priv, cur_read_ptr);
-	dev_priv->ring.tail = cur_read_ptr;
-
-#if IS_ENABLED(CONFIG_AGP)
-	if (dev_priv->flags & RADEON_IS_AGP) {
-		RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR,
-			     dev_priv->ring_rptr->offset
-			     - dev->agp->base + dev_priv->gart_vm_start);
-	} else
-#endif
-	{
-		RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR,
-			     dev_priv->ring_rptr->offset
-			     - ((unsigned long) dev->sg->virtual)
-			     + dev_priv->gart_vm_start);
-	}
-
-	/* Set ring buffer size */
-#ifdef __BIG_ENDIAN
-	RADEON_WRITE(RADEON_CP_RB_CNTL,
-		     RADEON_BUF_SWAP_32BIT |
-		     (dev_priv->ring.fetch_size_l2ow << 18) |
-		     (dev_priv->ring.rptr_update_l2qw << 8) |
-		     dev_priv->ring.size_l2qw);
-#else
-	RADEON_WRITE(RADEON_CP_RB_CNTL,
-		     (dev_priv->ring.fetch_size_l2ow << 18) |
-		     (dev_priv->ring.rptr_update_l2qw << 8) |
-		     dev_priv->ring.size_l2qw);
-#endif
-
-
-	/* Initialize the scratch register pointer.  This will cause
-	 * the scratch register values to be written out to memory
-	 * whenever they are updated.
-	 *
-	 * We simply put this behind the ring read pointer, this works
-	 * with PCI GART as well as (whatever kind of) AGP GART
-	 */
-	RADEON_WRITE(RADEON_SCRATCH_ADDR, RADEON_READ(RADEON_CP_RB_RPTR_ADDR)
-		     + RADEON_SCRATCH_REG_OFFSET);
-
-	RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7);
-
-	radeon_enable_bm(dev_priv);
-
-	radeon_write_ring_rptr(dev_priv, RADEON_SCRATCHOFF(0), 0);
-	RADEON_WRITE(RADEON_LAST_FRAME_REG, 0);
-
-	radeon_write_ring_rptr(dev_priv, RADEON_SCRATCHOFF(1), 0);
-	RADEON_WRITE(RADEON_LAST_DISPATCH_REG, 0);
-
-	radeon_write_ring_rptr(dev_priv, RADEON_SCRATCHOFF(2), 0);
-	RADEON_WRITE(RADEON_LAST_CLEAR_REG, 0);
-
-	/* reset sarea copies of these */
-	master_priv = file_priv->master->driver_priv;
-	if (master_priv->sarea_priv) {
-		master_priv->sarea_priv->last_frame = 0;
-		master_priv->sarea_priv->last_dispatch = 0;
-		master_priv->sarea_priv->last_clear = 0;
-	}
-
-	radeon_do_wait_for_idle(dev_priv);
-
-	/* Sync everything up */
-	RADEON_WRITE(RADEON_ISYNC_CNTL,
-		     (RADEON_ISYNC_ANY2D_IDLE3D |
-		      RADEON_ISYNC_ANY3D_IDLE2D |
-		      RADEON_ISYNC_WAIT_IDLEGUI |
-		      RADEON_ISYNC_CPSCRATCH_IDLEGUI));
-
-}
-
-static void radeon_test_writeback(drm_radeon_private_t * dev_priv)
-{
-	u32 tmp;
-
-	/* Start with assuming that writeback doesn't work */
-	dev_priv->writeback_works = 0;
-
-	/* Writeback doesn't seem to work everywhere, test it here and possibly
-	 * enable it if it appears to work
-	 */
-	radeon_write_ring_rptr(dev_priv, RADEON_SCRATCHOFF(1), 0);
-
-	RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef);
-
-	for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
-		u32 val;
-
-		val = radeon_read_ring_rptr(dev_priv, RADEON_SCRATCHOFF(1));
-		if (val == 0xdeadbeef)
-			break;
-		DRM_UDELAY(1);
-	}
-
-	if (tmp < dev_priv->usec_timeout) {
-		dev_priv->writeback_works = 1;
-		DRM_INFO("writeback test succeeded in %d usecs\n", tmp);
-	} else {
-		dev_priv->writeback_works = 0;
-		DRM_INFO("writeback test failed\n");
-	}
-	if (radeon_no_wb == 1) {
-		dev_priv->writeback_works = 0;
-		DRM_INFO("writeback forced off\n");
-	}
-
-	if (!dev_priv->writeback_works) {
-		/* Disable writeback to avoid unnecessary bus master transfer */
-		RADEON_WRITE(RADEON_CP_RB_CNTL, RADEON_READ(RADEON_CP_RB_CNTL) |
-			     RADEON_RB_NO_UPDATE);
-		RADEON_WRITE(RADEON_SCRATCH_UMSK, 0);
-	}
-}
-
-/* Enable or disable IGP GART on the chip */
-static void radeon_set_igpgart(drm_radeon_private_t * dev_priv, int on)
-{
-	u32 temp;
-
-	if (on) {
-		DRM_DEBUG("programming igp gart %08X %08lX %08X\n",
-			  dev_priv->gart_vm_start,
-			  (long)dev_priv->gart_info.bus_addr,
-			  dev_priv->gart_size);
-
-		temp = IGP_READ_MCIND(dev_priv, RS480_MC_MISC_CNTL);
-		if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
-		    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
-			IGP_WRITE_MCIND(RS480_MC_MISC_CNTL, (RS480_GART_INDEX_REG_EN |
-							     RS690_BLOCK_GFX_D3_EN));
-		else
-			IGP_WRITE_MCIND(RS480_MC_MISC_CNTL, RS480_GART_INDEX_REG_EN);
-
-		IGP_WRITE_MCIND(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN |
-							       RS480_VA_SIZE_32MB));
-
-		temp = IGP_READ_MCIND(dev_priv, RS480_GART_FEATURE_ID);
-		IGP_WRITE_MCIND(RS480_GART_FEATURE_ID, (RS480_HANG_EN |
-							RS480_TLB_ENABLE |
-							RS480_GTW_LAC_EN |
-							RS480_1LEVEL_GART));
-
-		temp = dev_priv->gart_info.bus_addr & 0xfffff000;
-		temp |= (upper_32_bits(dev_priv->gart_info.bus_addr) & 0xff) << 4;
-		IGP_WRITE_MCIND(RS480_GART_BASE, temp);
-
-		temp = IGP_READ_MCIND(dev_priv, RS480_AGP_MODE_CNTL);
-		IGP_WRITE_MCIND(RS480_AGP_MODE_CNTL, ((1 << RS480_REQ_TYPE_SNOOP_SHIFT) |
-						      RS480_REQ_TYPE_SNOOP_DIS));
-
-		radeon_write_agp_base(dev_priv, dev_priv->gart_vm_start);
-
-		dev_priv->gart_size = 32*1024*1024;
-		temp = (((dev_priv->gart_vm_start - 1 + dev_priv->gart_size) &
-			 0xffff0000) | (dev_priv->gart_vm_start >> 16));
-
-		radeon_write_agp_location(dev_priv, temp);
-
-		temp = IGP_READ_MCIND(dev_priv, RS480_AGP_ADDRESS_SPACE_SIZE);
-		IGP_WRITE_MCIND(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN |
-							       RS480_VA_SIZE_32MB));
-
-		do {
-			temp = IGP_READ_MCIND(dev_priv, RS480_GART_CACHE_CNTRL);
-			if ((temp & RS480_GART_CACHE_INVALIDATE) == 0)
-				break;
-			DRM_UDELAY(1);
-		} while (1);
-
-		IGP_WRITE_MCIND(RS480_GART_CACHE_CNTRL,
-				RS480_GART_CACHE_INVALIDATE);
-
-		do {
-			temp = IGP_READ_MCIND(dev_priv, RS480_GART_CACHE_CNTRL);
-			if ((temp & RS480_GART_CACHE_INVALIDATE) == 0)
-				break;
-			DRM_UDELAY(1);
-		} while (1);
-
-		IGP_WRITE_MCIND(RS480_GART_CACHE_CNTRL, 0);
-	} else {
-		IGP_WRITE_MCIND(RS480_AGP_ADDRESS_SPACE_SIZE, 0);
-	}
-}
-
-/* Enable or disable IGP GART on the chip */
-static void rs600_set_igpgart(drm_radeon_private_t *dev_priv, int on)
-{
-	u32 temp;
-	int i;
-
-	if (on) {
-		DRM_DEBUG("programming igp gart %08X %08lX %08X\n",
-			 dev_priv->gart_vm_start,
-			 (long)dev_priv->gart_info.bus_addr,
-			 dev_priv->gart_size);
-
-		IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, (RS600_EFFECTIVE_L2_CACHE_SIZE(6) |
-						    RS600_EFFECTIVE_L2_QUEUE_SIZE(6)));
-
-		for (i = 0; i < 19; i++)
-			IGP_WRITE_MCIND(RS600_MC_PT0_CLIENT0_CNTL + i,
-					(RS600_ENABLE_TRANSLATION_MODE_OVERRIDE |
-					 RS600_SYSTEM_ACCESS_MODE_IN_SYS |
-					 RS600_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASSTHROUGH |
-					 RS600_EFFECTIVE_L1_CACHE_SIZE(3) |
-					 RS600_ENABLE_FRAGMENT_PROCESSING |
-					 RS600_EFFECTIVE_L1_QUEUE_SIZE(3)));
-
-		IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_CNTL, (RS600_ENABLE_PAGE_TABLE |
-							     RS600_PAGE_TABLE_TYPE_FLAT));
-
-		/* disable all other contexts */
-		for (i = 1; i < 8; i++)
-			IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_CNTL + i, 0);
-
-		/* setup the page table aperture */
-		IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
-				dev_priv->gart_info.bus_addr);
-		IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_FLAT_START_ADDR,
-				dev_priv->gart_vm_start);
-		IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_FLAT_END_ADDR,
-				(dev_priv->gart_vm_start + dev_priv->gart_size - 1));
-		IGP_WRITE_MCIND(RS600_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
-
-		/* setup the system aperture */
-		IGP_WRITE_MCIND(RS600_MC_PT0_SYSTEM_APERTURE_LOW_ADDR,
-				dev_priv->gart_vm_start);
-		IGP_WRITE_MCIND(RS600_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR,
-				(dev_priv->gart_vm_start + dev_priv->gart_size - 1));
-
-		/* enable page tables */
-		temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL);
-		IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, (temp | RS600_ENABLE_PT));
-
-		temp = IGP_READ_MCIND(dev_priv, RS600_MC_CNTL1);
-		IGP_WRITE_MCIND(RS600_MC_CNTL1, (temp | RS600_ENABLE_PAGE_TABLES));
-
-		/* invalidate the cache */
-		temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL);
-
-		temp &= ~(RS600_INVALIDATE_ALL_L1_TLBS | RS600_INVALIDATE_L2_CACHE);
-		IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, temp);
-		temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL);
-
-		temp |= RS600_INVALIDATE_ALL_L1_TLBS | RS600_INVALIDATE_L2_CACHE;
-		IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, temp);
-		temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL);
-
-		temp &= ~(RS600_INVALIDATE_ALL_L1_TLBS | RS600_INVALIDATE_L2_CACHE);
-		IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, temp);
-		temp = IGP_READ_MCIND(dev_priv, RS600_MC_PT0_CNTL);
-
-	} else {
-		IGP_WRITE_MCIND(RS600_MC_PT0_CNTL, 0);
-		temp = IGP_READ_MCIND(dev_priv, RS600_MC_CNTL1);
-		temp &= ~RS600_ENABLE_PAGE_TABLES;
-		IGP_WRITE_MCIND(RS600_MC_CNTL1, temp);
-	}
-}
-
-static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on)
-{
-	u32 tmp = RADEON_READ_PCIE(dev_priv, RADEON_PCIE_TX_GART_CNTL);
-	if (on) {
-
-		DRM_DEBUG("programming pcie %08X %08lX %08X\n",
-			  dev_priv->gart_vm_start,
-			  (long)dev_priv->gart_info.bus_addr,
-			  dev_priv->gart_size);
-		RADEON_WRITE_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO,
-				  dev_priv->gart_vm_start);
-		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_BASE,
-				  dev_priv->gart_info.bus_addr);
-		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_START_LO,
-				  dev_priv->gart_vm_start);
-		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_END_LO,
-				  dev_priv->gart_vm_start +
-				  dev_priv->gart_size - 1);
-
-		radeon_write_agp_location(dev_priv, 0xffffffc0); /* ?? */
-
-		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
-				  RADEON_PCIE_TX_GART_EN);
-	} else {
-		RADEON_WRITE_PCIE(RADEON_PCIE_TX_GART_CNTL,
-				  tmp & ~RADEON_PCIE_TX_GART_EN);
-	}
-}
-
-/* Enable or disable PCI GART on the chip */
-static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
-{
-	u32 tmp;
-
-	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
-	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740) ||
-	    (dev_priv->flags & RADEON_IS_IGPGART)) {
-		radeon_set_igpgart(dev_priv, on);
-		return;
-	}
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600) {
-		rs600_set_igpgart(dev_priv, on);
-		return;
-	}
-
-	if (dev_priv->flags & RADEON_IS_PCIE) {
-		radeon_set_pciegart(dev_priv, on);
-		return;
-	}
-
-	tmp = RADEON_READ(RADEON_AIC_CNTL);
-
-	if (on) {
-		RADEON_WRITE(RADEON_AIC_CNTL,
-			     tmp | RADEON_PCIGART_TRANSLATE_EN);
-
-		/* set PCI GART page-table base address
-		 */
-		RADEON_WRITE(RADEON_AIC_PT_BASE, dev_priv->gart_info.bus_addr);
-
-		/* set address range for PCI address translate
-		 */
-		RADEON_WRITE(RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start);
-		RADEON_WRITE(RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start
-			     + dev_priv->gart_size - 1);
-
-		/* Turn off AGP aperture -- is this required for PCI GART?
-		 */
-		radeon_write_agp_location(dev_priv, 0xffffffc0);
-		RADEON_WRITE(RADEON_AGP_COMMAND, 0);	/* clear AGP_COMMAND */
-	} else {
-		RADEON_WRITE(RADEON_AIC_CNTL,
-			     tmp & ~RADEON_PCIGART_TRANSLATE_EN);
-	}
-}
-
-static int radeon_setup_pcigart_surface(drm_radeon_private_t *dev_priv)
-{
-	struct drm_ati_pcigart_info *gart_info = &dev_priv->gart_info;
-	struct radeon_virt_surface *vp;
-	int i;
-
-	for (i = 0; i < RADEON_MAX_SURFACES * 2; i++) {
-		if (!dev_priv->virt_surfaces[i].file_priv ||
-		    dev_priv->virt_surfaces[i].file_priv == PCIGART_FILE_PRIV)
-			break;
-	}
-	if (i >= 2 * RADEON_MAX_SURFACES)
-		return -ENOMEM;
-	vp = &dev_priv->virt_surfaces[i];
-
-	for (i = 0; i < RADEON_MAX_SURFACES; i++) {
-		struct radeon_surface *sp = &dev_priv->surfaces[i];
-		if (sp->refcount)
-			continue;
-
-		vp->surface_index = i;
-		vp->lower = gart_info->bus_addr;
-		vp->upper = vp->lower + gart_info->table_size;
-		vp->flags = 0;
-		vp->file_priv = PCIGART_FILE_PRIV;
-
-		sp->refcount = 1;
-		sp->lower = vp->lower;
-		sp->upper = vp->upper;
-		sp->flags = 0;
-
-		RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * i, sp->flags);
-		RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND + 16 * i, sp->lower);
-		RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND + 16 * i, sp->upper);
-		return 0;
-	}
-
-	return -ENOMEM;
-}
-
-static int radeon_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
-			     struct drm_file *file_priv)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
-
-	DRM_DEBUG("\n");
-
-	/* if we require new memory map but we don't have it fail */
-	if ((dev_priv->flags & RADEON_NEW_MEMMAP) && !dev_priv->new_memmap) {
-		DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
-		radeon_do_cleanup_cp(dev);
-		return -EINVAL;
-	}
-
-	if (init->is_pci && (dev_priv->flags & RADEON_IS_AGP)) {
-		DRM_DEBUG("Forcing AGP card to PCI mode\n");
-		dev_priv->flags &= ~RADEON_IS_AGP;
-	} else if (!(dev_priv->flags & (RADEON_IS_AGP | RADEON_IS_PCI | RADEON_IS_PCIE))
-		   && !init->is_pci) {
-		DRM_DEBUG("Restoring AGP flag\n");
-		dev_priv->flags |= RADEON_IS_AGP;
-	}
-
-	if ((!(dev_priv->flags & RADEON_IS_AGP)) && !dev->sg) {
-		DRM_ERROR("PCI GART memory not allocated!\n");
-		radeon_do_cleanup_cp(dev);
-		return -EINVAL;
-	}
-
-	dev_priv->usec_timeout = init->usec_timeout;
-	if (dev_priv->usec_timeout < 1 ||
-	    dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) {
-		DRM_DEBUG("TIMEOUT problem!\n");
-		radeon_do_cleanup_cp(dev);
-		return -EINVAL;
-	}
-
-	/* Enable vblank on CRTC1 for older X servers
-	 */
-	dev_priv->vblank_crtc = DRM_RADEON_VBLANK_CRTC1;
-
-	switch(init->func) {
-	case RADEON_INIT_R200_CP:
-		dev_priv->microcode_version = UCODE_R200;
-		break;
-	case RADEON_INIT_R300_CP:
-		dev_priv->microcode_version = UCODE_R300;
-		break;
-	default:
-		dev_priv->microcode_version = UCODE_R100;
-	}
-
-	dev_priv->do_boxes = 0;
-	dev_priv->cp_mode = init->cp_mode;
-
-	/* We don't support anything other than bus-mastering ring mode,
-	 * but the ring can be in either AGP or PCI space for the ring
-	 * read pointer.
-	 */
-	if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) &&
-	    (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) {
-		DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode);
-		radeon_do_cleanup_cp(dev);
-		return -EINVAL;
-	}
-
-	switch (init->fb_bpp) {
-	case 16:
-		dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565;
-		break;
-	case 32:
-	default:
-		dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888;
-		break;
-	}
-	dev_priv->front_offset = init->front_offset;
-	dev_priv->front_pitch = init->front_pitch;
-	dev_priv->back_offset = init->back_offset;
-	dev_priv->back_pitch = init->back_pitch;
-
-	switch (init->depth_bpp) {
-	case 16:
-		dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z;
-		break;
-	case 32:
-	default:
-		dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z;
-		break;
-	}
-	dev_priv->depth_offset = init->depth_offset;
-	dev_priv->depth_pitch = init->depth_pitch;
-
-	/* Hardware state for depth clears.  Remove this if/when we no
-	 * longer clear the depth buffer with a 3D rectangle.  Hard-code
-	 * all values to prevent unwanted 3D state from slipping through
-	 * and screwing with the clear operation.
-	 */
-	dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE |
-					   (dev_priv->color_fmt << 10) |
-					   (dev_priv->microcode_version ==
-					    UCODE_R100 ? RADEON_ZBLOCK16 : 0));
-
-	dev_priv->depth_clear.rb3d_zstencilcntl =
-	    (dev_priv->depth_fmt |
-	     RADEON_Z_TEST_ALWAYS |
-	     RADEON_STENCIL_TEST_ALWAYS |
-	     RADEON_STENCIL_S_FAIL_REPLACE |
-	     RADEON_STENCIL_ZPASS_REPLACE |
-	     RADEON_STENCIL_ZFAIL_REPLACE | RADEON_Z_WRITE_ENABLE);
-
-	dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW |
-					 RADEON_BFACE_SOLID |
-					 RADEON_FFACE_SOLID |
-					 RADEON_FLAT_SHADE_VTX_LAST |
-					 RADEON_DIFFUSE_SHADE_FLAT |
-					 RADEON_ALPHA_SHADE_FLAT |
-					 RADEON_SPECULAR_SHADE_FLAT |
-					 RADEON_FOG_SHADE_FLAT |
-					 RADEON_VTX_PIX_CENTER_OGL |
-					 RADEON_ROUND_MODE_TRUNC |
-					 RADEON_ROUND_PREC_8TH_PIX);
-
-
-	dev_priv->ring_offset = init->ring_offset;
-	dev_priv->ring_rptr_offset = init->ring_rptr_offset;
-	dev_priv->buffers_offset = init->buffers_offset;
-	dev_priv->gart_textures_offset = init->gart_textures_offset;
-
-	master_priv->sarea = drm_legacy_getsarea(dev);
-	if (!master_priv->sarea) {
-		DRM_ERROR("could not find sarea!\n");
-		radeon_do_cleanup_cp(dev);
-		return -EINVAL;
-	}
-
-	dev_priv->cp_ring = drm_legacy_findmap(dev, init->ring_offset);
-	if (!dev_priv->cp_ring) {
-		DRM_ERROR("could not find cp ring region!\n");
-		radeon_do_cleanup_cp(dev);
-		return -EINVAL;
-	}
-	dev_priv->ring_rptr = drm_legacy_findmap(dev, init->ring_rptr_offset);
-	if (!dev_priv->ring_rptr) {
-		DRM_ERROR("could not find ring read pointer!\n");
-		radeon_do_cleanup_cp(dev);
-		return -EINVAL;
-	}
-	dev->agp_buffer_token = init->buffers_offset;
-	dev->agp_buffer_map = drm_legacy_findmap(dev, init->buffers_offset);
-	if (!dev->agp_buffer_map) {
-		DRM_ERROR("could not find dma buffer region!\n");
-		radeon_do_cleanup_cp(dev);
-		return -EINVAL;
-	}
-
-	if (init->gart_textures_offset) {
-		dev_priv->gart_textures =
-		    drm_legacy_findmap(dev, init->gart_textures_offset);
-		if (!dev_priv->gart_textures) {
-			DRM_ERROR("could not find GART texture region!\n");
-			radeon_do_cleanup_cp(dev);
-			return -EINVAL;
-		}
-	}
-
-#if IS_ENABLED(CONFIG_AGP)
-	if (dev_priv->flags & RADEON_IS_AGP) {
-		drm_legacy_ioremap_wc(dev_priv->cp_ring, dev);
-		drm_legacy_ioremap_wc(dev_priv->ring_rptr, dev);
-		drm_legacy_ioremap_wc(dev->agp_buffer_map, dev);
-		if (!dev_priv->cp_ring->handle ||
-		    !dev_priv->ring_rptr->handle ||
-		    !dev->agp_buffer_map->handle) {
-			DRM_ERROR("could not find ioremap agp regions!\n");
-			radeon_do_cleanup_cp(dev);
-			return -EINVAL;
-		}
-	} else
-#endif
-	{
-		dev_priv->cp_ring->handle =
-			(void *)(unsigned long)dev_priv->cp_ring->offset;
-		dev_priv->ring_rptr->handle =
-			(void *)(unsigned long)dev_priv->ring_rptr->offset;
-		dev->agp_buffer_map->handle =
-			(void *)(unsigned long)dev->agp_buffer_map->offset;
-
-		DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
-			  dev_priv->cp_ring->handle);
-		DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
-			  dev_priv->ring_rptr->handle);
-		DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
-			  dev->agp_buffer_map->handle);
-	}
-
-	dev_priv->fb_location = (radeon_read_fb_location(dev_priv) & 0xffff) << 16;
-	dev_priv->fb_size =
-		((radeon_read_fb_location(dev_priv) & 0xffff0000u) + 0x10000)
-		- dev_priv->fb_location;
-
-	dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) |
-					((dev_priv->front_offset
-					  + dev_priv->fb_location) >> 10));
-
-	dev_priv->back_pitch_offset = (((dev_priv->back_pitch / 64) << 22) |
-				       ((dev_priv->back_offset
-					 + dev_priv->fb_location) >> 10));
-
-	dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch / 64) << 22) |
-					((dev_priv->depth_offset
-					  + dev_priv->fb_location) >> 10));
-
-	dev_priv->gart_size = init->gart_size;
-
-	/* New let's set the memory map ... */
-	if (dev_priv->new_memmap) {
-		u32 base = 0;
-
-		DRM_INFO("Setting GART location based on new memory map\n");
-
-		/* If using AGP, try to locate the AGP aperture at the same
-		 * location in the card and on the bus, though we have to
-		 * align it down.
-		 */
-#if IS_ENABLED(CONFIG_AGP)
-		if (dev_priv->flags & RADEON_IS_AGP) {
-			base = dev->agp->base;
-			/* Check if valid */
-			if ((base + dev_priv->gart_size - 1) >= dev_priv->fb_location &&
-			    base < (dev_priv->fb_location + dev_priv->fb_size - 1)) {
-				DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
-					 dev->agp->base);
-				base = 0;
-			}
-		}
-#endif
-		/* If not or if AGP is at 0 (Macs), try to put it elsewhere */
-		if (base == 0) {
-			base = dev_priv->fb_location + dev_priv->fb_size;
-			if (base < dev_priv->fb_location ||
-			    ((base + dev_priv->gart_size) & 0xfffffffful) < base)
-				base = dev_priv->fb_location
-					- dev_priv->gart_size;
-		}
-		dev_priv->gart_vm_start = base & 0xffc00000u;
-		if (dev_priv->gart_vm_start != base)
-			DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
-				 base, dev_priv->gart_vm_start);
-	} else {
-		DRM_INFO("Setting GART location based on old memory map\n");
-		dev_priv->gart_vm_start = dev_priv->fb_location +
-			RADEON_READ(RADEON_CONFIG_APER_SIZE);
-	}
-
-#if IS_ENABLED(CONFIG_AGP)
-	if (dev_priv->flags & RADEON_IS_AGP)
-		dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
-						 - dev->agp->base
-						 + dev_priv->gart_vm_start);
-	else
-#endif
-		dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
-					- (unsigned long)dev->sg->virtual
-					+ dev_priv->gart_vm_start);
-
-	DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv->gart_size);
-	DRM_DEBUG("dev_priv->gart_vm_start 0x%x\n", dev_priv->gart_vm_start);
-	DRM_DEBUG("dev_priv->gart_buffers_offset 0x%lx\n",
-		  dev_priv->gart_buffers_offset);
-
-	dev_priv->ring.start = (u32 *) dev_priv->cp_ring->handle;
-	dev_priv->ring.end = ((u32 *) dev_priv->cp_ring->handle
-			      + init->ring_size / sizeof(u32));
-	dev_priv->ring.size = init->ring_size;
-	dev_priv->ring.size_l2qw = order_base_2(init->ring_size / 8);
-
-	dev_priv->ring.rptr_update = /* init->rptr_update */ 4096;
-	dev_priv->ring.rptr_update_l2qw = order_base_2( /* init->rptr_update */ 4096 / 8);
-
-	dev_priv->ring.fetch_size = /* init->fetch_size */ 32;
-	dev_priv->ring.fetch_size_l2ow = order_base_2( /* init->fetch_size */ 32 / 16);
-	dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
-
-	dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK;
-
-#if IS_ENABLED(CONFIG_AGP)
-	if (dev_priv->flags & RADEON_IS_AGP) {
-		/* Turn off PCI GART */
-		radeon_set_pcigart(dev_priv, 0);
-	} else
-#endif
-	{
-		u32 sctrl;
-		int ret;
-
-		dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
-		/* if we have an offset set from userspace */
-		if (dev_priv->pcigart_offset_set) {
-			dev_priv->gart_info.bus_addr =
-				(resource_size_t)dev_priv->pcigart_offset + dev_priv->fb_location;
-			dev_priv->gart_info.mapping.offset =
-			    dev_priv->pcigart_offset + dev_priv->fb_aper_offset;
-			dev_priv->gart_info.mapping.size =
-			    dev_priv->gart_info.table_size;
-
-			drm_legacy_ioremap_wc(&dev_priv->gart_info.mapping, dev);
-			dev_priv->gart_info.addr =
-			    dev_priv->gart_info.mapping.handle;
-
-			if (dev_priv->flags & RADEON_IS_PCIE)
-				dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCIE;
-			else
-				dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCI;
-			dev_priv->gart_info.gart_table_location =
-			    DRM_ATI_GART_FB;
-
-			DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
-				  dev_priv->gart_info.addr,
-				  dev_priv->pcigart_offset);
-		} else {
-			if (dev_priv->flags & RADEON_IS_IGPGART)
-				dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_IGP;
-			else
-				dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCI;
-			dev_priv->gart_info.gart_table_location =
-			    DRM_ATI_GART_MAIN;
-			dev_priv->gart_info.addr = NULL;
-			dev_priv->gart_info.bus_addr = 0;
-			if (dev_priv->flags & RADEON_IS_PCIE) {
-				DRM_ERROR
-				    ("Cannot use PCI Express without GART in FB memory\n");
-				radeon_do_cleanup_cp(dev);
-				return -EINVAL;
-			}
-		}
-
-		sctrl = RADEON_READ(RADEON_SURFACE_CNTL);
-		RADEON_WRITE(RADEON_SURFACE_CNTL, 0);
-		if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
-			ret = r600_page_table_init(dev);
-		else
-			ret = drm_ati_pcigart_init(dev, &dev_priv->gart_info);
-		RADEON_WRITE(RADEON_SURFACE_CNTL, sctrl);
-
-		if (!ret) {
-			DRM_ERROR("failed to init PCI GART!\n");
-			radeon_do_cleanup_cp(dev);
-			return -ENOMEM;
-		}
-
-		ret = radeon_setup_pcigart_surface(dev_priv);
-		if (ret) {
-			DRM_ERROR("failed to setup GART surface!\n");
-			if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
-				r600_page_table_cleanup(dev, &dev_priv->gart_info);
-			else
-				drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info);
-			radeon_do_cleanup_cp(dev);
-			return ret;
-		}
-
-		/* Turn on PCI GART */
-		radeon_set_pcigart(dev_priv, 1);
-	}
-
-	if (!dev_priv->me_fw) {
-		int err = radeon_cp_init_microcode(dev_priv);
-		if (err) {
-			DRM_ERROR("Failed to load firmware!\n");
-			radeon_do_cleanup_cp(dev);
-			return err;
-		}
-	}
-	radeon_cp_load_microcode(dev_priv);
-	radeon_cp_init_ring_buffer(dev, dev_priv, file_priv);
-
-	dev_priv->last_buf = 0;
-
-	radeon_do_engine_reset(dev);
-	radeon_test_writeback(dev_priv);
-
-	return 0;
-}
-
-static int radeon_do_cleanup_cp(struct drm_device * dev)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	DRM_DEBUG("\n");
-
-	/* Make sure interrupts are disabled here because the uninstall ioctl
-	 * may not have been called from userspace and after dev_private
-	 * is freed, it's too late.
-	 */
-	if (dev->irq_enabled)
-		drm_irq_uninstall(dev);
-
-#if IS_ENABLED(CONFIG_AGP)
-	if (dev_priv->flags & RADEON_IS_AGP) {
-		if (dev_priv->cp_ring != NULL) {
-			drm_legacy_ioremapfree(dev_priv->cp_ring, dev);
-			dev_priv->cp_ring = NULL;
-		}
-		if (dev_priv->ring_rptr != NULL) {
-			drm_legacy_ioremapfree(dev_priv->ring_rptr, dev);
-			dev_priv->ring_rptr = NULL;
-		}
-		if (dev->agp_buffer_map != NULL) {
-			drm_legacy_ioremapfree(dev->agp_buffer_map, dev);
-			dev->agp_buffer_map = NULL;
-		}
-	} else
-#endif
-	{
-
-		if (dev_priv->gart_info.bus_addr) {
-			/* Turn off PCI GART */
-			radeon_set_pcigart(dev_priv, 0);
-			if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS600)
-				r600_page_table_cleanup(dev, &dev_priv->gart_info);
-			else {
-				if (!drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info))
-					DRM_ERROR("failed to cleanup PCI GART!\n");
-			}
-		}
-
-		if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB)
-		{
-			drm_legacy_ioremapfree(&dev_priv->gart_info.mapping, dev);
-			dev_priv->gart_info.addr = NULL;
-		}
-	}
-	/* only clear to the start of flags */
-	memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags));
-
-	return 0;
-}
-
-/* This code will reinit the Radeon CP hardware after a resume from disc.
- * AFAIK, it would be very difficult to pickle the state at suspend time, so
- * here we make sure that all Radeon hardware initialisation is re-done without
- * affecting running applications.
- *
- * Charl P. Botha <http://cpbotha.net>
- */
-static int radeon_do_resume_cp(struct drm_device *dev, struct drm_file *file_priv)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-
-	if (!dev_priv) {
-		DRM_ERROR("Called with no initialization\n");
-		return -EINVAL;
-	}
-
-	DRM_DEBUG("Starting radeon_do_resume_cp()\n");
-
-#if IS_ENABLED(CONFIG_AGP)
-	if (dev_priv->flags & RADEON_IS_AGP) {
-		/* Turn off PCI GART */
-		radeon_set_pcigart(dev_priv, 0);
-	} else
-#endif
-	{
-		/* Turn on PCI GART */
-		radeon_set_pcigart(dev_priv, 1);
-	}
-
-	radeon_cp_load_microcode(dev_priv);
-	radeon_cp_init_ring_buffer(dev, dev_priv, file_priv);
-
-	dev_priv->have_z_offset = 0;
-	radeon_do_engine_reset(dev);
-	radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1);
-
-	DRM_DEBUG("radeon_do_resume_cp() complete\n");
-
-	return 0;
-}
-
-int radeon_cp_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	drm_radeon_init_t *init = data;
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	if (init->func == RADEON_INIT_R300_CP)
-		r300_init_reg_flags(dev);
-
-	switch (init->func) {
-	case RADEON_INIT_CP:
-	case RADEON_INIT_R200_CP:
-	case RADEON_INIT_R300_CP:
-		return radeon_do_init_cp(dev, init, file_priv);
-	case RADEON_INIT_R600_CP:
-		return r600_do_init_cp(dev, init, file_priv);
-	case RADEON_CLEANUP_CP:
-		if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-			return r600_do_cleanup_cp(dev);
-		else
-			return radeon_do_cleanup_cp(dev);
-	}
-
-	return -EINVAL;
-}
-
-int radeon_cp_start(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	if (dev_priv->cp_running) {
-		DRM_DEBUG("while CP running\n");
-		return 0;
-	}
-	if (dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS) {
-		DRM_DEBUG("called with bogus CP mode (%d)\n",
-			  dev_priv->cp_mode);
-		return 0;
-	}
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-		r600_do_cp_start(dev_priv);
-	else
-		radeon_do_cp_start(dev_priv);
-
-	return 0;
-}
-
-/* Stop the CP.  The engine must have been idled before calling this
- * routine.
- */
-int radeon_cp_stop(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	drm_radeon_cp_stop_t *stop = data;
-	int ret;
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	if (!dev_priv->cp_running)
-		return 0;
-
-	/* Flush any pending CP commands.  This ensures any outstanding
-	 * commands are exectuted by the engine before we turn it off.
-	 */
-	if (stop->flush) {
-		radeon_do_cp_flush(dev_priv);
-	}
-
-	/* If we fail to make the engine go idle, we return an error
-	 * code so that the DRM ioctl wrapper can try again.
-	 */
-	if (stop->idle) {
-		if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-			ret = r600_do_cp_idle(dev_priv);
-		else
-			ret = radeon_do_cp_idle(dev_priv);
-		if (ret)
-			return ret;
-	}
-
-	/* Finally, we can turn off the CP.  If the engine isn't idle,
-	 * we will get some dropped triangles as they won't be fully
-	 * rendered before the CP is shut down.
-	 */
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-		r600_do_cp_stop(dev_priv);
-	else
-		radeon_do_cp_stop(dev_priv);
-
-	/* Reset the engine */
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-		r600_do_engine_reset(dev);
-	else
-		radeon_do_engine_reset(dev);
-
-	return 0;
-}
-
-void radeon_do_release(struct drm_device * dev)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	int i, ret;
-
-	if (dev_priv) {
-		if (dev_priv->cp_running) {
-			/* Stop the cp */
-			if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) {
-				while ((ret = r600_do_cp_idle(dev_priv)) != 0) {
-					DRM_DEBUG("radeon_do_cp_idle %d\n", ret);
-#ifdef __linux__
-					schedule();
-#else
-					tsleep(&ret, PZERO, "rdnrel", 1);
-#endif
-				}
-			} else {
-				while ((ret = radeon_do_cp_idle(dev_priv)) != 0) {
-					DRM_DEBUG("radeon_do_cp_idle %d\n", ret);
-#ifdef __linux__
-					schedule();
-#else
-					tsleep(&ret, PZERO, "rdnrel", 1);
-#endif
-				}
-			}
-			if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) {
-				r600_do_cp_stop(dev_priv);
-				r600_do_engine_reset(dev);
-			} else {
-				radeon_do_cp_stop(dev_priv);
-				radeon_do_engine_reset(dev);
-			}
-		}
-
-		if ((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_R600) {
-			/* Disable *all* interrupts */
-			if (dev_priv->mmio)	/* remove this after permanent addmaps */
-				RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
-
-			if (dev_priv->mmio) {	/* remove all surfaces */
-				for (i = 0; i < RADEON_MAX_SURFACES; i++) {
-					RADEON_WRITE(RADEON_SURFACE0_INFO + 16 * i, 0);
-					RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND +
-						     16 * i, 0);
-					RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND +
-						     16 * i, 0);
-				}
-			}
-		}
-
-		/* Free memory heap structures */
-		radeon_mem_takedown(&(dev_priv->gart_heap));
-		radeon_mem_takedown(&(dev_priv->fb_heap));
-
-		/* deallocate kernel resources */
-		if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-			r600_do_cleanup_cp(dev);
-		else
-			radeon_do_cleanup_cp(dev);
-		release_firmware(dev_priv->me_fw);
-		dev_priv->me_fw = NULL;
-		release_firmware(dev_priv->pfp_fw);
-		dev_priv->pfp_fw = NULL;
-	}
-}
-
-/* Just reset the CP ring.  Called as part of an X Server engine reset.
- */
-int radeon_cp_reset(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	if (!dev_priv) {
-		DRM_DEBUG("called before init done\n");
-		return -EINVAL;
-	}
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-		r600_do_cp_reset(dev_priv);
-	else
-		radeon_do_cp_reset(dev_priv);
-
-	/* The CP is no longer running after an engine reset */
-	dev_priv->cp_running = 0;
-
-	return 0;
-}
-
-int radeon_cp_idle(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-		return r600_do_cp_idle(dev_priv);
-	else
-		return radeon_do_cp_idle(dev_priv);
-}
-
-/* Added by Charl P. Botha to call radeon_do_resume_cp().
- */
-int radeon_cp_resume(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	DRM_DEBUG("\n");
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-		return r600_do_resume_cp(dev, file_priv);
-	else
-		return radeon_do_resume_cp(dev, file_priv);
-}
-
-int radeon_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
-		return r600_do_engine_reset(dev);
-	else
-		return radeon_do_engine_reset(dev);
-}
-
-/* ================================================================
- * Fullscreen mode
- */
-
-/* KW: Deprecated to say the least:
- */
-int radeon_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	return 0;
-}
-
-/* ================================================================
- * Freelist management
- */
-
-/* Original comment: FIXME: ROTATE_BUFS is a hack to cycle through
- *   bufs until freelist code is used.  Note this hides a problem with
- *   the scratch register * (used to keep track of last buffer
- *   completed) being written to before * the last buffer has actually
- *   completed rendering.
- *
- * KW:  It's also a good way to find free buffers quickly.
- *
- * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't
- * sleep.  However, bugs in older versions of radeon_accel.c mean that
- * we essentially have to do this, else old clients will break.
- *
- * However, it does leave open a potential deadlock where all the
- * buffers are held by other clients, which can't release them because
- * they can't get the lock.
- */
-
-struct drm_buf *radeon_freelist_get(struct drm_device * dev)
-{
-	struct drm_device_dma *dma = dev->dma;
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	drm_radeon_buf_priv_t *buf_priv;
-	struct drm_buf *buf;
-	int i, t;
-	int start;
-
-	if (++dev_priv->last_buf >= dma->buf_count)
-		dev_priv->last_buf = 0;
-
-	start = dev_priv->last_buf;
-
-	for (t = 0; t < dev_priv->usec_timeout; t++) {
-		u32 done_age = GET_SCRATCH(dev_priv, 1);
-		DRM_DEBUG("done_age = %d\n", done_age);
-		for (i = 0; i < dma->buf_count; i++) {
-			buf = dma->buflist[start];
-			buf_priv = buf->dev_private;
-			if (buf->file_priv == NULL || (buf->pending &&
-						       buf_priv->age <=
-						       done_age)) {
-				dev_priv->stats.requested_bufs++;
-				buf->pending = 0;
-				return buf;
-			}
-			if (++start >= dma->buf_count)
-				start = 0;
-		}
-
-		if (t) {
-			DRM_UDELAY(1);
-			dev_priv->stats.freelist_loops++;
-		}
-	}
-
-	return NULL;
-}
-
-void radeon_freelist_reset(struct drm_device * dev)
-{
-	struct drm_device_dma *dma = dev->dma;
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-	int i;
-
-	dev_priv->last_buf = 0;
-	for (i = 0; i < dma->buf_count; i++) {
-		struct drm_buf *buf = dma->buflist[i];
-		drm_radeon_buf_priv_t *buf_priv = buf->dev_private;
-		buf_priv->age = 0;
-	}
-}
-
-/* ================================================================
- * CP command submission
- */
-
-int radeon_wait_ring(drm_radeon_private_t * dev_priv, int n)
-{
-	drm_radeon_ring_buffer_t *ring = &dev_priv->ring;
-	int i;
-	u32 last_head = GET_RING_HEAD(dev_priv);
-
-	for (i = 0; i < dev_priv->usec_timeout; i++) {
-		u32 head = GET_RING_HEAD(dev_priv);
-
-		ring->space = (head - ring->tail) * sizeof(u32);
-		if (ring->space <= 0)
-			ring->space += ring->size;
-		if (ring->space > n)
-			return 0;
-
-		dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
-
-		if (head != last_head)
-			i = 0;
-		last_head = head;
-
-		DRM_UDELAY(1);
-	}
-
-	/* FIXME: This return value is ignored in the BEGIN_RING macro! */
-#if RADEON_FIFO_DEBUG
-	radeon_status(dev_priv);
-	DRM_ERROR("failed!\n");
-#endif
-	return -EBUSY;
-}
-
-static int radeon_cp_get_buffers(struct drm_device *dev,
-				 struct drm_file *file_priv,
-				 struct drm_dma * d)
-{
-	int i;
-	struct drm_buf *buf;
-
-	for (i = d->granted_count; i < d->request_count; i++) {
-		buf = radeon_freelist_get(dev);
-		if (!buf)
-			return -EBUSY;	/* NOTE: broken client */
-
-		buf->file_priv = file_priv;
-
-		if (copy_to_user(&d->request_indices[i], &buf->idx,
-				     sizeof(buf->idx)))
-			return -EFAULT;
-		if (copy_to_user(&d->request_sizes[i], &buf->total,
-				     sizeof(buf->total)))
-			return -EFAULT;
-
-		d->granted_count++;
-	}
-	return 0;
-}
-
-int radeon_cp_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	struct drm_device_dma *dma = dev->dma;
-	int ret = 0;
-	struct drm_dma *d = data;
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	/* Please don't send us buffers.
-	 */
-	if (d->send_count != 0) {
-		DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
-			  DRM_CURRENTPID, d->send_count);
-		return -EINVAL;
-	}
-
-	/* We'll send you buffers.
-	 */
-	if (d->request_count < 0 || d->request_count > dma->buf_count) {
-		DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
-			  DRM_CURRENTPID, d->request_count, dma->buf_count);
-		return -EINVAL;
-	}
-
-	d->granted_count = 0;
-
-	if (d->request_count) {
-		ret = radeon_cp_get_buffers(dev, file_priv, d);
-	}
-
-	return ret;
-}
-
-int radeon_driver_load(struct drm_device *dev, unsigned long flags)
-{
-	drm_radeon_private_t *dev_priv;
-	int ret = 0;
-
-	dev_priv = kzalloc(sizeof(drm_radeon_private_t), GFP_KERNEL);
-	if (dev_priv == NULL)
-		return -ENOMEM;
-
-	dev->dev_private = (void *)dev_priv;
-	dev_priv->flags = flags;
-
-	switch (flags & RADEON_FAMILY_MASK) {
-	case CHIP_R100:
-	case CHIP_RV200:
-	case CHIP_R200:
-	case CHIP_R300:
-	case CHIP_R350:
-	case CHIP_R420:
-	case CHIP_R423:
-	case CHIP_RV410:
-	case CHIP_RV515:
-	case CHIP_R520:
-	case CHIP_RV570:
-	case CHIP_R580:
-		dev_priv->flags |= RADEON_HAS_HIERZ;
-		break;
-	default:
-		/* all other chips have no hierarchical z buffer */
-		break;
-	}
-
-	pci_set_master(dev->pdev);
-
-	if (drm_pci_device_is_agp(dev))
-		dev_priv->flags |= RADEON_IS_AGP;
-	else if (pci_is_pcie(dev->pdev))
-		dev_priv->flags |= RADEON_IS_PCIE;
-	else
-		dev_priv->flags |= RADEON_IS_PCI;
-
-	ret = drm_legacy_addmap(dev, pci_resource_start(dev->pdev, 2),
-				pci_resource_len(dev->pdev, 2), _DRM_REGISTERS,
-				_DRM_READ_ONLY | _DRM_DRIVER, &dev_priv->mmio);
-	if (ret != 0)
-		return ret;
-
-	ret = drm_vblank_init(dev, 2);
-	if (ret) {
-		radeon_driver_unload(dev);
-		return ret;
-	}
-
-	DRM_DEBUG("%s card detected\n",
-		  ((dev_priv->flags & RADEON_IS_AGP) ? "AGP" : (((dev_priv->flags & RADEON_IS_PCIE) ? "PCIE" : "PCI"))));
-	return ret;
-}
-
-int radeon_master_create(struct drm_device *dev, struct drm_master *master)
-{
-	struct drm_radeon_master_private *master_priv;
-	unsigned long sareapage;
-	int ret;
-
-	master_priv = kzalloc(sizeof(*master_priv), GFP_KERNEL);
-	if (!master_priv)
-		return -ENOMEM;
-
-	/* prebuild the SAREA */
-	sareapage = max_t(unsigned long, SAREA_MAX, PAGE_SIZE);
-	ret = drm_legacy_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK,
-				&master_priv->sarea);
-	if (ret) {
-		DRM_ERROR("SAREA setup failed\n");
-		kfree(master_priv);
-		return ret;
-	}
-	master_priv->sarea_priv = master_priv->sarea->handle + sizeof(struct drm_sarea);
-	master_priv->sarea_priv->pfCurrentPage = 0;
-
-	master->driver_priv = master_priv;
-	return 0;
-}
-
-void radeon_master_destroy(struct drm_device *dev, struct drm_master *master)
-{
-	struct drm_radeon_master_private *master_priv = master->driver_priv;
-
-	if (!master_priv)
-		return;
-
-	if (master_priv->sarea_priv &&
-	    master_priv->sarea_priv->pfCurrentPage != 0)
-		radeon_cp_dispatch_flip(dev, master);
-
-	master_priv->sarea_priv = NULL;
-	if (master_priv->sarea)
-		drm_legacy_rmmap_locked(dev, master_priv->sarea);
-
-	kfree(master_priv);
-
-	master->driver_priv = NULL;
-}
-
-/* Create mappings for registers and framebuffer so userland doesn't necessarily
- * have to find them.
- */
-int radeon_driver_firstopen(struct drm_device *dev)
-{
-	int ret;
-	drm_local_map_t *map;
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-
-	dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
-
-	dev_priv->fb_aper_offset = pci_resource_start(dev->pdev, 0);
-	ret = drm_legacy_addmap(dev, dev_priv->fb_aper_offset,
-				pci_resource_len(dev->pdev, 0),
-				_DRM_FRAME_BUFFER, _DRM_WRITE_COMBINING, &map);
-	if (ret != 0)
-		return ret;
-
-	return 0;
-}
-
-int radeon_driver_unload(struct drm_device *dev)
-{
-	drm_radeon_private_t *dev_priv = dev->dev_private;
-
-	DRM_DEBUG("\n");
-
-	drm_legacy_rmmap(dev, dev_priv->mmio);
-
-	kfree(dev_priv);
-
-	dev->dev_private = NULL;
-	return 0;
-}
-
-void radeon_commit_ring(drm_radeon_private_t *dev_priv)
-{
-	int i;
-	u32 *ring;
-	int tail_aligned;
-
-	/* check if the ring is padded out to 16-dword alignment */
-
-	tail_aligned = dev_priv->ring.tail & (RADEON_RING_ALIGN-1);
-	if (tail_aligned) {
-		int num_p2 = RADEON_RING_ALIGN - tail_aligned;
-
-		ring = dev_priv->ring.start;
-		/* pad with some CP_PACKET2 */
-		for (i = 0; i < num_p2; i++)
-			ring[dev_priv->ring.tail + i] = CP_PACKET2();
-
-		dev_priv->ring.tail += i;
-
-		dev_priv->ring.space -= num_p2 * sizeof(u32);
-	}
-
-	dev_priv->ring.tail &= dev_priv->ring.tail_mask;
-
-	mb();
-	GET_RING_HEAD( dev_priv );
-
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) {
-		RADEON_WRITE(R600_CP_RB_WPTR, dev_priv->ring.tail);
-		/* read from PCI bus to ensure correct posting */
-		RADEON_READ(R600_CP_RB_RPTR);
-	} else {
-		RADEON_WRITE(RADEON_CP_RB_WPTR, dev_priv->ring.tail);
-		/* read from PCI bus to ensure correct posting */
-		RADEON_READ(RADEON_CP_RB_RPTR);
-	}
-}