Make modesetting-gem build with recent kernels

Needed to merge in VM fault changes & pci_read_base API update.
main
Jesse Barnes 2008-08-07 17:15:50 -07:00
commit 8074b2e83d
7 changed files with 174 additions and 24 deletions

View File

@ -806,3 +806,102 @@ void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type,
EXPORT_SYMBOL(kmap_atomic_prot_pfn);
#endif
#ifdef DRM_FULL_MM_COMPAT
#ifdef DRM_NO_FAULT
unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma,
unsigned long address)
{
struct drm_buffer_object *bo = (struct drm_buffer_object *) vma->vm_private_data;
unsigned long page_offset;
struct page *page = NULL;
struct drm_ttm *ttm;
struct drm_device *dev;
unsigned long pfn;
int err;
unsigned long bus_base;
unsigned long bus_offset;
unsigned long bus_size;
unsigned long ret = NOPFN_REFAULT;
if (address > vma->vm_end)
return NOPFN_SIGBUS;
dev = bo->dev;
err = drm_bo_read_lock(&dev->bm.bm_lock, 1);
if (err)
return NOPFN_REFAULT;
err = mutex_lock_interruptible(&bo->mutex);
if (err) {
drm_bo_read_unlock(&dev->bm.bm_lock);
return NOPFN_REFAULT;
}
err = drm_bo_wait(bo, 0, 1, 0, 1);
if (err) {
ret = (err != -EAGAIN) ? NOPFN_SIGBUS : NOPFN_REFAULT;
bo->priv_flags &= ~_DRM_BO_FLAG_UNLOCKED;
goto out_unlock;
}
bo->priv_flags &= ~_DRM_BO_FLAG_UNLOCKED;
/*
* If buffer happens to be in a non-mappable location,
* move it to a mappable.
*/
if (!(bo->mem.flags & DRM_BO_FLAG_MAPPABLE)) {
uint32_t new_flags = bo->mem.proposed_flags |
DRM_BO_FLAG_MAPPABLE |
DRM_BO_FLAG_FORCE_MAPPABLE;
err = drm_bo_move_buffer(bo, new_flags, 0, 0);
if (err) {
ret = (err != -EAGAIN) ? NOPFN_SIGBUS : NOPFN_REFAULT;
goto out_unlock;
}
}
err = drm_bo_pci_offset(dev, &bo->mem, &bus_base, &bus_offset,
&bus_size);
if (err) {
ret = NOPFN_SIGBUS;
goto out_unlock;
}
page_offset = (address - vma->vm_start) >> PAGE_SHIFT;
if (bus_size) {
struct drm_mem_type_manager *man = &dev->bm.man[bo->mem.mem_type];
pfn = ((bus_base + bus_offset) >> PAGE_SHIFT) + page_offset;
vma->vm_page_prot = drm_io_prot(man->drm_bus_maptype, vma);
} else {
ttm = bo->ttm;
drm_ttm_fixup_caching(ttm);
page = drm_ttm_get_page(ttm, page_offset);
if (!page) {
ret = NOPFN_OOM;
goto out_unlock;
}
pfn = page_to_pfn(page);
vma->vm_page_prot = (bo->mem.flags & DRM_BO_FLAG_CACHED) ?
vm_get_page_prot(vma->vm_flags) :
drm_io_prot(_DRM_TTM, vma);
}
err = vm_insert_pfn(vma, address, pfn);
if (err) {
ret = (err != -EAGAIN) ? NOPFN_OOM : NOPFN_REFAULT;
goto out_unlock;
}
out_unlock:
BUG_ON(bo->priv_flags & _DRM_BO_FLAG_UNLOCKED);
mutex_unlock(&bo->mutex);
drm_bo_read_unlock(&dev->bm.bm_lock);
return ret;
}
#endif
#endif

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@ -319,6 +319,9 @@ extern int drm_bo_map_bound(struct vm_area_struct *vma);
/* fixme when functions are upstreamed - upstreamed for 2.6.23 */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23))
#define DRM_IDR_COMPAT_FN
#define DRM_NO_FAULT
extern unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma,
unsigned long address);
#endif
#ifdef DRM_IDR_COMPAT_FN
int idr_for_each(struct idr *idp,

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@ -685,8 +685,8 @@ EXPORT_SYMBOL(drm_mmap);
* \c Pagefault method for buffer objects.
*
* \param vma Virtual memory area.
* \param address File offset.
* \return Error or refault. The pfn is manually inserted.
* \param vmf vm fault data
* \return Error or VM_FAULT_NOPAGE:. The pfn is manually inserted.
*
* It's important that pfns are inserted while holding the bo->mutex lock.
* otherwise we might race with unmap_mapping_range() which is always
@ -699,8 +699,8 @@ EXPORT_SYMBOL(drm_mmap);
*/
#ifdef DRM_FULL_MM_COMPAT
static unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma,
unsigned long address)
static int drm_bo_vm_fault(struct vm_area_struct *vma,
struct vm_fault *vmf)
{
struct drm_buffer_object *bo = (struct drm_buffer_object *) vma->vm_private_data;
unsigned long page_offset;
@ -712,25 +712,22 @@ static unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma,
unsigned long bus_base;
unsigned long bus_offset;
unsigned long bus_size;
unsigned long ret = NOPFN_REFAULT;
if (address > vma->vm_end)
return NOPFN_SIGBUS;
unsigned long ret = VM_FAULT_NOPAGE;
dev = bo->dev;
err = drm_bo_read_lock(&dev->bm.bm_lock, 1);
if (err)
return NOPFN_REFAULT;
return VM_FAULT_NOPAGE;
err = mutex_lock_interruptible(&bo->mutex);
if (err) {
drm_bo_read_unlock(&dev->bm.bm_lock);
return NOPFN_REFAULT;
return VM_FAULT_NOPAGE;
}
err = drm_bo_wait(bo, 0, 1, 0, 1);
if (err) {
ret = (err != -EAGAIN) ? NOPFN_SIGBUS : NOPFN_REFAULT;
ret = (err != -EAGAIN) ? VM_FAULT_SIGBUS : VM_FAULT_NOPAGE;
bo->priv_flags &= ~_DRM_BO_FLAG_UNLOCKED;
goto out_unlock;
}
@ -748,7 +745,7 @@ static unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma,
DRM_BO_FLAG_FORCE_MAPPABLE;
err = drm_bo_move_buffer(bo, new_flags, 0, 0);
if (err) {
ret = (err != -EAGAIN) ? NOPFN_SIGBUS : NOPFN_REFAULT;
ret = (err != -EAGAIN) ? VM_FAULT_SIGBUS : VM_FAULT_NOPAGE;
goto out_unlock;
}
}
@ -757,11 +754,11 @@ static unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma,
&bus_size);
if (err) {
ret = NOPFN_SIGBUS;
ret = VM_FAULT_SIGBUS;
goto out_unlock;
}
page_offset = (address - vma->vm_start) >> PAGE_SHIFT;
page_offset = ((unsigned long)vmf->virtual_address - vma->vm_start) >> PAGE_SHIFT;
if (bus_size) {
struct drm_mem_type_manager *man = &dev->bm.man[bo->mem.mem_type];
@ -774,7 +771,7 @@ static unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma,
drm_ttm_fixup_caching(ttm);
page = drm_ttm_get_page(ttm, page_offset);
if (!page) {
ret = NOPFN_OOM;
ret = VM_FAULT_OOM;
goto out_unlock;
}
pfn = page_to_pfn(page);
@ -783,9 +780,9 @@ static unsigned long drm_bo_vm_nopfn(struct vm_area_struct *vma,
drm_io_prot(_DRM_TTM, vma);
}
err = vm_insert_pfn(vma, address, pfn);
err = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn);
if (err) {
ret = (err != -EAGAIN) ? NOPFN_OOM : NOPFN_REFAULT;
ret = (err != -EAGAIN) ? VM_FAULT_OOM : VM_FAULT_NOPAGE;
goto out_unlock;
}
out_unlock:
@ -849,7 +846,11 @@ static void drm_bo_vm_close(struct vm_area_struct *vma)
static struct vm_operations_struct drm_bo_vm_ops = {
#ifdef DRM_FULL_MM_COMPAT
#ifdef DRM_NO_FAULT
.nopfn = drm_bo_vm_nopfn,
#else
.fault = drm_bo_vm_fault,
#endif
#else
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))
.nopfn = drm_bo_vm_nopfn,

View File

@ -35,7 +35,7 @@
void
i915_verify_inactive(struct drm_device *dev, char *file, int line)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
@ -102,7 +102,7 @@ i915_gem_dump_object(struct drm_gem_object *obj, int len,
void
i915_dump_lru(struct drm_device *dev, const char *where)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv;
DRM_INFO("active list %s {\n", where);

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@ -115,7 +115,8 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
* since the bridge would only ever use standard BARs 0-1 (though it
* doesn't anyway)
*/
ret = pci_read_base(bridge, mchbar_offset, &bridge->resource[2]);
ret = pci_read_base(bridge, pci_bar_mem64, &bridge->resource[2],
mchbar_offset);
if (ret != 0) {
DRM_ERROR("pci_read_base failed: %d\n", ret);
return;

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@ -388,7 +388,7 @@ struct drm_i915_private {
/** Bit 6 swizzling required for Y tiling */
uint32_t bit_6_swizzle_y;
} mm;
} drm_i915_private_t;
};
struct drm_i915_file_private {
struct {
@ -523,7 +523,6 @@ extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
extern void i915_driver_irq_preinstall(struct drm_device * dev);
extern int i915_driver_irq_postinstall(struct drm_device * dev);
extern void i915_driver_irq_uninstall(struct drm_device * dev);
extern void i915_enable_interrupt(struct drm_device *dev);
extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,

View File

@ -1101,15 +1101,62 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
*/
void i915_driver_irq_preinstall(struct drm_device * dev)
{
return;
struct drm_i915_private *dev_priv = dev->dev_private;
I915_WRITE16(HWSTAM, 0xeffe);
I915_WRITE16(IMR, 0x0);
I915_WRITE16(IER, 0x0);
}
int i915_driver_irq_postinstall(struct drm_device * dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int ret, num_pipes = 2;
DRM_SPININIT(&dev_priv->swaps_lock, "swap");
INIT_LIST_HEAD(&dev_priv->vbl_swaps.head);
dev_priv->swaps_pending = 0;
DRM_SPININIT(&dev_priv->user_irq_lock, "userirq");
dev_priv->user_irq_refcount = 0;
ret = drm_vblank_init(dev, num_pipes);
if (ret)
return ret;
dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
i915_enable_interrupt(dev);
DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
/*
* Initialize the hardware status page IRQ location.
*/
I915_WRITE(INSTPM, (1 << 5) | (1 << 21));
return 0;
}
void i915_driver_irq_uninstall(struct drm_device * dev)
{
return;
struct drm_i915_private *dev_priv = dev->dev_private;
u32 temp;
if (!dev_priv)
return;
dev_priv->vblank_pipe = 0;
dev_priv->irq_enabled = 0;
I915_WRITE(HWSTAM, 0xffffffff);
I915_WRITE(IMR, 0xffffffff);
I915_WRITE(IER, 0x0);
temp = I915_READ(PIPEASTAT);
I915_WRITE(PIPEASTAT, temp);
temp = I915_READ(PIPEBSTAT);
I915_WRITE(PIPEBSTAT, temp);
temp = I915_READ(IIR);
I915_WRITE(IIR, temp);
}