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    Subject[PATCH, 2.6.11-rc2-RT] Proprietary ATI Radeon Drivers
    Hello all,

    These patches allow ATI's Radeon drivers (8.8.25) to work under the
    realtime-preempt 2.6.11-rc2-v0.7.37-01 Linux kernels.

    Be sure to configure tmpfs before using (see
    http://www.ati.com/support/infobase/4687.html).

    OpenGL works very well. Quake 3, bzflag, gltron all run solidly and
    smoothly!
    Exiting X Windows blanks screen until next reboot.
    There are still some compile time warnings that should be fixed.
    An OpenGL latency footprint / histogram and performance test suite
    should be developed.
    The open code parts of ATI's drivers need to be picked through for
    spinlocks, and cleaned up if possible.
    Lots of other work left to do, like a frame scheduler locked to page
    redraw interrupts, Xv support, a triple buffering API (next version of SDL?)

    Please send me any improvements. Thanks.
    John Gilbert
    jgilbert@biomail.ucsd.edu
    --- agpgart_be.c.orig 2004-12-14 09:55:47.000000000 -0800
    +++ agpgart_be.c 2005-01-24 17:09:15.000000000 -0800
    @@ -117,6 +117,10 @@
    #include <linux/miscdevice.h>
    #include <linux/pm.h>

    +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)
    +#define pci_find_class pci_get_class
    +#endif
    +
    #if (LINUX_VERSION_CODE >= 0x020400)
    #define FGL_PM_PRESENT
    #else
    @@ -6469,6 +6473,7 @@

    // FGL - end

    +#ifdef __x86_64__
    static int agp_check_supported_device(struct pci_dev *dev)
    {

    @@ -6483,13 +6488,16 @@

    return 0;
    }
    +#endif

    /* Supported Device Scanning routine */

    static int __init agp_find_supported_device(void)
    {
    struct pci_dev *dev = NULL;
    +#ifdef __x86_64__
    u8 cap_ptr = 0x00;
    +#endif

    // locate host bridge device
    #ifdef __x86_64__--- firegl_public.c.orig 2005-01-04 17:05:05.000000000 -0800
    +++ firegl_public.c 2005-01-24 16:50:28.000000000 -0800
    @@ -2590,13 +2590,13 @@
    #endif /* __ia64__ */
    vma->vm_flags |= VM_IO; /* not in core dump */
    }
    - if (remap_page_range(FGL_VMA_API_PASS
    + if (remap_pfn_range(FGL_VMA_API_PASS
    vma->vm_start,
    - __ke_vm_offset(vma),
    + vma->vm_pgoff,
    vma->vm_end - vma->vm_start,
    vma->vm_page_prot))
    {
    - __KE_DEBUG("remap_page_range failed\n");
    + __KE_DEBUG("remap_pfn_range failed\n");
    return -EAGAIN;
    }
    vma->vm_flags |= VM_SHM | VM_RESERVED; /* Don't swap */
    @@ -2655,15 +2655,15 @@
    #else
    // else
    {
    - if (__ke_vm_offset(vma) >= __pa(high_memory))
    + if (vma->vm_pgoff >= __pa(high_memory))
    vma->vm_flags |= VM_IO; /* not in core dump */
    - if (remap_page_range(FGL_VMA_API_PASS
    + if (remap_pfn_range(FGL_VMA_API_PASS
    vma->vm_start,
    - __ke_vm_offset(vma),
    + vma->vm_pgoff,
    vma->vm_end - vma->vm_start,
    vma->vm_page_prot))
    {
    - __KE_DEBUG("remap_page_range failed\n");
    + __KE_DEBUG("remap_pfn_range failed\n");
    return -EAGAIN;
    }
    #ifdef __x86_64__
    @@ -2692,15 +2692,15 @@
    // else
    #else
    {
    - if (__ke_vm_offset(vma) >= __pa(high_memory))
    + if (vma->vm_pgoff >= __pa(high_memory))
    vma->vm_flags |= VM_IO; /* not in core dump */
    - if (remap_page_range(FGL_VMA_API_PASS
    + if (remap_pfn_range(FGL_VMA_API_PASS
    vma->vm_start,
    - __ke_vm_offset(vma),
    + vma->vm_pgoff,
    vma->vm_end - vma->vm_start,
    vma->vm_page_prot))
    {
    - __KE_DEBUG("remap_page_range failed\n");
    + __KE_DEBUG("remap_pfn_range failed\n");
    return -EAGAIN;
    }
    #ifdef __x86_64__
    @@ -2744,6 +2744,20 @@

    #if LINUX_VERSION_CODE >= 0x020400

    +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)
    +/* This is no longer used inside kernel, so declare it here. JGG */
    +typedef struct {
    + void (*free_memory)(struct agp_memory *);
    + struct agp_memory * (*allocate_memory)(size_t, u32);
    + int (*bind_memory)(struct agp_memory *, off_t);
    + int (*unbind_memory)(struct agp_memory *);
    + void (*enable)(u32);
    + int (*acquire)(void);
    + void (*release)(void);
    + int (*copy_info)(struct agp_kern_info *);
    +} drm_agp_t;
    +#endif
    +
    static const drm_agp_t *drm_agp_module_stub = NULL;

    #define AGP_FUNCTIONS 8
    \
     
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      Last update: 2005-03-22 14:10    [W:0.025 / U:33.336 seconds]
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