Commit f26c473c authored by Dave Airlie's avatar Dave Airlie Committed by Dave Airlie
Browse files

drm: update PCIGART support from CVS 



In order to work on FreeBSD the gart needed to use a local mapping
This patch moves the mainline to the new code and aligns some comment
changes

From: Eric Anholt <anholt@freebsd.org>
Signed-off-by: default avatarDave Airlie <airlied@linux.ie>
parent 0a406877

drivers/char/drm/ati_pcigart.c

+11 −12
Original line number Diff line number Diff line
@@ -52,7 +52,7 @@ 
# define ATI_MAX_PCIGART_PAGES		8192	/**< 32 MB aperture, 4K pages */

# define ATI_PCIGART_PAGE_SIZE		4096	/**< PCI GART page size */



static unsigned long drm_ati_alloc_pcigart_table(void)

static void *drm_ati_alloc_pcigart_table(void)

{

	unsigned long address;

	struct page *page;
@@ -72,27 +72,26 @@ static unsigned long drm_ati_alloc_pcigart_table(void) 
	}



	DRM_DEBUG("%s: returning 0x%08lx\n", __FUNCTION__, address);

	return address;

	return (void *)address;

}



static void drm_ati_free_pcigart_table(unsigned long address)

static void drm_ati_free_pcigart_table(void *address)

{

	struct page *page;

	int i;

	DRM_DEBUG("%s\n", __FUNCTION__);



	page = virt_to_page(address);

	page = virt_to_page((unsigned long)address);



	for (i = 0; i < ATI_PCIGART_TABLE_PAGES; i++, page++) {

		__put_page(page);

		ClearPageReserved(page);

	}



	free_pages(address, ATI_PCIGART_TABLE_ORDER);

	free_pages((unsigned long)address, ATI_PCIGART_TABLE_ORDER);

}



int drm_ati_pcigart_cleanup(drm_device_t * dev,

			    drm_ati_pcigart_info * gart_info)

int drm_ati_pcigart_cleanup(drm_device_t *dev, drm_ati_pcigart_info *gart_info)

{

	drm_sg_mem_t *entry = dev->sg;

	unsigned long pages;
@@ -139,7 +138,7 @@ EXPORT_SYMBOL(drm_ati_pcigart_cleanup); 
int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info)

{

	drm_sg_mem_t *entry = dev->sg;

	unsigned long address = 0;

	void *address = NULL;

	unsigned long pages;

	u32 *pci_gart, page_base, bus_address = 0;

	int i, j, ret = 0;
@@ -163,7 +162,7 @@ int drm_ati_pcigart_init(drm_device_t * dev, drm_ati_pcigart_info * gart_info) 
			goto done;

		}



		bus_address = pci_map_single(dev->pdev, (void *)address,

		bus_address = pci_map_single(dev->pdev, address,

					     ATI_PCIGART_TABLE_PAGES *

					     PAGE_SIZE, PCI_DMA_TODEVICE);

		if (bus_address == 0) {
@@ -176,7 +175,7 @@ int drm_ati_pcigart_init(drm_device_t * dev, drm_ati_pcigart_info * gart_info) 
		address = gart_info->addr;

		bus_address = gart_info->bus_addr;

		DRM_DEBUG("PCI: Gart Table: VRAM %08X mapped at %08lX\n",

			  bus_address, address);

			  bus_address, (unsigned long)address);

	}



	pci_gart = (u32 *) address;
@@ -195,7 +194,7 @@ int drm_ati_pcigart_init(drm_device_t * dev, drm_ati_pcigart_info * gart_info) 
		if (entry->busaddr[i] == 0) {

			DRM_ERROR("unable to map PCIGART pages!\n");

			drm_ati_pcigart_cleanup(dev, gart_info);

			address = 0;

			address = NULL;

			bus_address = 0;

			goto done;

		}

drivers/char/drm/drmP.h

+2 −1
Original line number Diff line number Diff line
@@ -522,8 +522,9 @@ typedef struct drm_vbl_sig { 
typedef struct ati_pcigart_info {

	int gart_table_location;

	int is_pcie;

	unsigned long addr;

	void *addr;

	dma_addr_t bus_addr;

	drm_local_map_t mapping;

} drm_ati_pcigart_info;



/**

drivers/char/drm/r128_cce.c

+9 −6
Original line number Diff line number Diff line 
/* r128_cce.c -- ATI Rage 128 driver -*- linux-c -*- 

 * Created: Wed Apr  5 19:24:19 2000 by kevin@precisioninsight.com

 *

 */

/*

 * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.

 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.

 * All Rights Reserved.
@@ -559,7 +560,8 @@ static int r128_do_init_cce(drm_device_t * dev, drm_r128_init_t * init) 
	if (dev_priv->is_pci) {

#endif

		dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN;

		dev_priv->gart_info.addr = dev_priv->gart_info.bus_addr = 0;

		dev_priv->gart_info.addr = NULL;

		dev_priv->gart_info.bus_addr = 0;

		dev_priv->gart_info.is_pcie = 0;

		if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) {

			DRM_ERROR("failed to init PCI GART!\n");
@@ -601,15 +603,16 @@ int r128_do_cleanup_cce(drm_device_t * dev) 
				drm_core_ioremapfree(dev_priv->cce_ring, dev);

			if (dev_priv->ring_rptr != NULL)

				drm_core_ioremapfree(dev_priv->ring_rptr, dev);

			if (dev->agp_buffer_map != NULL)

			if (dev->agp_buffer_map != NULL) {

				drm_core_ioremapfree(dev->agp_buffer_map, dev);

				dev->agp_buffer_map = NULL;

			}

		} else

#endif

		{

			if (dev_priv->gart_info.bus_addr)

				if (!drm_ati_pcigart_cleanup(dev,

							     &dev_priv->

							     gart_info))

							&dev_priv->gart_info))

					DRM_ERROR

					    ("failed to cleanup PCI GART!\n");

		}

drivers/char/drm/r128_drm.h

+2 −2
Original line number Diff line number Diff line 
/* r128_drm.h -- Public header for the r128 driver -*- linux-c -*-

 * Created: Wed Apr  5 19:24:19 2000 by kevin@precisioninsight.com

 *

 * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.

 */

/* Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.

 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.

 * All rights reserved.

 *

drivers/char/drm/r128_drv.h

+2 −2
Original line number Diff line number Diff line 
/* r128_drv.h -- Private header for r128 driver -*- linux-c -*-

 * Created: Mon Dec 13 09:51:11 1999 by faith@precisioninsight.com

 *

 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.

 */

/* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.

 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.

 * All rights reserved.

 *

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