return -ENODEV;
/* See the comment at the drm_mm_init() call for more about this check.
- * WaSkipStolenMemoryFirstPage:bdw,chv (incomplete) */
- if (INTEL_INFO(dev_priv)->gen == 8 && start < 4096)
+ * WaSkipStolenMemoryFirstPage:bdw,chv,kbl (incomplete)
+ */
+ if (start < 4096 && (IS_GEN8(dev_priv) ||
+ IS_KBL_REVID(dev_priv, 0, KBL_REVID_A0)))
start = 4096;
mutex_lock(&dev_priv->mm.stolen_lock);
struct drm_mm_node *node, u64 size,
unsigned alignment)
{
+ struct i915_ggtt *ggtt = &dev_priv->ggtt;
+
return i915_gem_stolen_insert_node_in_range(dev_priv, node, size,
- alignment, 0,
- dev_priv->gtt.stolen_usable_size);
+ alignment, 0,
+ ggtt->stolen_usable_size);
}
void i915_gem_stolen_remove_node(struct drm_i915_private *dev_priv,
static unsigned long i915_stolen_to_physical(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ struct i915_ggtt *ggtt = &dev_priv->ggtt;
struct resource *r;
u32 base;
/* Almost universally we can find the Graphics Base of Stolen Memory
- * at offset 0x5c in the igfx configuration space. On a few (desktop)
- * machines this is also mirrored in the bridge device at different
- * locations, or in the MCHBAR.
+ * at register BSM (0x5c) in the igfx configuration space. On a few
+ * (desktop) machines this is also mirrored in the bridge device at
+ * different locations, or in the MCHBAR.
*
* On 865 we just check the TOUD register.
*
*/
base = 0;
if (INTEL_INFO(dev)->gen >= 3) {
- /* Read Graphics Base of Stolen Memory directly */
- pci_read_config_dword(dev->pdev, 0x5c, &base);
- base &= ~((1<<20) - 1);
+ u32 bsm;
+
+ pci_read_config_dword(dev->pdev, INTEL_BSM, &bsm);
+
+ base = bsm & INTEL_BSM_MASK;
} else if (IS_I865G(dev)) {
u16 toud = 0;
I85X_DRB3, &tmp);
tom = tmp * MB(32);
- base = tom - tseg_size - dev_priv->gtt.stolen_size;
+ base = tom - tseg_size - ggtt->stolen_size;
} else if (IS_845G(dev)) {
u32 tseg_size = 0;
u32 tom;
I830_DRB3, &tmp);
tom = tmp * MB(32);
- base = tom - tseg_size - dev_priv->gtt.stolen_size;
+ base = tom - tseg_size - ggtt->stolen_size;
} else if (IS_I830(dev)) {
u32 tseg_size = 0;
u32 tom;
I830_DRB3, &tmp);
tom = tmp * MB(32);
- base = tom - tseg_size - dev_priv->gtt.stolen_size;
+ base = tom - tseg_size - ggtt->stolen_size;
}
if (base == 0)
struct {
u32 start, end;
} stolen[2] = {
- { .start = base, .end = base + dev_priv->gtt.stolen_size, },
- { .start = base, .end = base + dev_priv->gtt.stolen_size, },
+ { .start = base, .end = base + ggtt->stolen_size, },
+ { .start = base, .end = base + ggtt->stolen_size, },
};
- u64 gtt_start, gtt_end;
+ u64 ggtt_start, ggtt_end;
- gtt_start = I915_READ(PGTBL_CTL);
+ ggtt_start = I915_READ(PGTBL_CTL);
if (IS_GEN4(dev))
- gtt_start = (gtt_start & PGTBL_ADDRESS_LO_MASK) |
- (gtt_start & PGTBL_ADDRESS_HI_MASK) << 28;
+ ggtt_start = (ggtt_start & PGTBL_ADDRESS_LO_MASK) |
+ (ggtt_start & PGTBL_ADDRESS_HI_MASK) << 28;
else
- gtt_start &= PGTBL_ADDRESS_LO_MASK;
- gtt_end = gtt_start + gtt_total_entries(dev_priv->gtt) * 4;
+ ggtt_start &= PGTBL_ADDRESS_LO_MASK;
+ ggtt_end = ggtt_start + ggtt_total_entries(ggtt) * 4;
- if (gtt_start >= stolen[0].start && gtt_start < stolen[0].end)
- stolen[0].end = gtt_start;
- if (gtt_end > stolen[1].start && gtt_end <= stolen[1].end)
- stolen[1].start = gtt_end;
+ if (ggtt_start >= stolen[0].start && ggtt_start < stolen[0].end)
+ stolen[0].end = ggtt_start;
+ if (ggtt_end > stolen[1].start && ggtt_end <= stolen[1].end)
+ stolen[1].start = ggtt_end;
/* pick the larger of the two chunks */
if (stolen[0].end - stolen[0].start >
stolen[1].end - stolen[1].start) {
base = stolen[0].start;
- dev_priv->gtt.stolen_size = stolen[0].end - stolen[0].start;
+ ggtt->stolen_size = stolen[0].end - stolen[0].start;
} else {
base = stolen[1].start;
- dev_priv->gtt.stolen_size = stolen[1].end - stolen[1].start;
+ ggtt->stolen_size = stolen[1].end - stolen[1].start;
}
if (stolen[0].start != stolen[1].start ||
stolen[0].end != stolen[1].end) {
DRM_DEBUG_KMS("GTT within stolen memory at 0x%llx-0x%llx\n",
- (unsigned long long) gtt_start,
- (unsigned long long) gtt_end - 1);
+ (unsigned long long)ggtt_start,
+ (unsigned long long)ggtt_end - 1);
DRM_DEBUG_KMS("Stolen memory adjusted to 0x%x-0x%x\n",
- base, base + (u32) dev_priv->gtt.stolen_size - 1);
+ base, base + (u32)ggtt->stolen_size - 1);
}
}
* kernel. So if the region is already marked as busy, something
* is seriously wrong.
*/
- r = devm_request_mem_region(dev->dev, base, dev_priv->gtt.stolen_size,
+ r = devm_request_mem_region(dev->dev, base, ggtt->stolen_size,
"Graphics Stolen Memory");
if (r == NULL) {
/*
* reservation starting from 1 instead of 0.
*/
r = devm_request_mem_region(dev->dev, base + 1,
- dev_priv->gtt.stolen_size - 1,
+ ggtt->stolen_size - 1,
"Graphics Stolen Memory");
/*
* GEN3 firmware likes to smash pci bridges into the stolen
*/
if (r == NULL && !IS_GEN3(dev)) {
DRM_ERROR("conflict detected with stolen region: [0x%08x - 0x%08x]\n",
- base, base + (uint32_t)dev_priv->gtt.stolen_size);
+ base, base + (uint32_t)ggtt->stolen_size);
base = 0;
}
}
void i915_gem_cleanup_stolen(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
if (!drm_mm_initialized(&dev_priv->mm.stolen))
return;
static void g4x_get_stolen_reserved(struct drm_i915_private *dev_priv,
unsigned long *base, unsigned long *size)
{
+ struct i915_ggtt *ggtt = &dev_priv->ggtt;
uint32_t reg_val = I915_READ(IS_GM45(dev_priv) ?
CTG_STOLEN_RESERVED :
ELK_STOLEN_RESERVED);
unsigned long stolen_top = dev_priv->mm.stolen_base +
- dev_priv->gtt.stolen_size;
+ ggtt->stolen_size;
*base = (reg_val & G4X_STOLEN_RESERVED_ADDR2_MASK) << 16;
static void bdw_get_stolen_reserved(struct drm_i915_private *dev_priv,
unsigned long *base, unsigned long *size)
{
+ struct i915_ggtt *ggtt = &dev_priv->ggtt;
uint32_t reg_val = I915_READ(GEN6_STOLEN_RESERVED);
unsigned long stolen_top;
- stolen_top = dev_priv->mm.stolen_base + dev_priv->gtt.stolen_size;
+ stolen_top = dev_priv->mm.stolen_base + ggtt->stolen_size;
*base = reg_val & GEN6_STOLEN_RESERVED_ADDR_MASK;
int i915_gem_init_stolen(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ struct i915_ggtt *ggtt = &dev_priv->ggtt;
unsigned long reserved_total, reserved_base = 0, reserved_size;
unsigned long stolen_top;
}
#endif
- if (dev_priv->gtt.stolen_size == 0)
+ if (ggtt->stolen_size == 0)
return 0;
dev_priv->mm.stolen_base = i915_stolen_to_physical(dev);
if (dev_priv->mm.stolen_base == 0)
return 0;
- stolen_top = dev_priv->mm.stolen_base + dev_priv->gtt.stolen_size;
+ stolen_top = dev_priv->mm.stolen_base + ggtt->stolen_size;
switch (INTEL_INFO(dev_priv)->gen) {
case 2:
return 0;
}
- dev_priv->gtt.stolen_reserved_base = reserved_base;
- dev_priv->gtt.stolen_reserved_size = reserved_size;
+ ggtt->stolen_reserved_base = reserved_base;
+ ggtt->stolen_reserved_size = reserved_size;
/* It is possible for the reserved area to end before the end of stolen
* memory, so just consider the start. */
reserved_total = stolen_top - reserved_base;
DRM_DEBUG_KMS("Memory reserved for graphics device: %zuK, usable: %luK\n",
- dev_priv->gtt.stolen_size >> 10,
- (dev_priv->gtt.stolen_size - reserved_total) >> 10);
+ ggtt->stolen_size >> 10,
+ (ggtt->stolen_size - reserved_total) >> 10);
- dev_priv->gtt.stolen_usable_size = dev_priv->gtt.stolen_size -
- reserved_total;
+ ggtt->stolen_usable_size = ggtt->stolen_size - reserved_total;
/*
* Basic memrange allocator for stolen space.
* i915_gem_stolen_insert_node_in_range(). We may want to fix the fbcon
* problem later.
*/
- drm_mm_init(&dev_priv->mm.stolen, 0, dev_priv->gtt.stolen_usable_size);
+ drm_mm_init(&dev_priv->mm.stolen, 0, ggtt->stolen_usable_size);
return 0;
}
i915_pages_create_for_stolen(struct drm_device *dev,
u32 offset, u32 size)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ struct i915_ggtt *ggtt = &dev_priv->ggtt;
struct sg_table *st;
struct scatterlist *sg;
DRM_DEBUG_DRIVER("offset=0x%x, size=%d\n", offset, size);
- BUG_ON(offset > dev_priv->gtt.stolen_size - size);
+ BUG_ON(offset > ggtt->stolen_size - size);
/* We hide that we have no struct page backing our stolen object
* by wrapping the contiguous physical allocation with a fake
static void
i915_gem_object_release_stolen(struct drm_i915_gem_object *obj)
{
- struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
if (obj->stolen) {
i915_gem_stolen_remove_node(dev_priv, obj->stolen);
struct drm_i915_gem_object *
i915_gem_object_create_stolen(struct drm_device *dev, u32 size)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_i915_gem_object *obj;
struct drm_mm_node *stolen;
int ret;
u32 gtt_offset,
u32 size)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_address_space *ggtt = &dev_priv->gtt.base;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ struct i915_ggtt *ggtt = &dev_priv->ggtt;
struct drm_i915_gem_object *obj;
struct drm_mm_node *stolen;
struct i915_vma *vma;
if (gtt_offset == I915_GTT_OFFSET_NONE)
return obj;
- vma = i915_gem_obj_lookup_or_create_vma(obj, ggtt);
+ vma = i915_gem_obj_lookup_or_create_vma(obj, &ggtt->base);
if (IS_ERR(vma)) {
ret = PTR_ERR(vma);
goto err;
*/
vma->node.start = gtt_offset;
vma->node.size = size;
- if (drm_mm_initialized(&ggtt->mm)) {
- ret = drm_mm_reserve_node(&ggtt->mm, &vma->node);
+ if (drm_mm_initialized(&ggtt->base.mm)) {
+ ret = drm_mm_reserve_node(&ggtt->base.mm, &vma->node);
if (ret) {
DRM_DEBUG_KMS("failed to allocate stolen GTT space\n");
goto err;
vma->bound |= GLOBAL_BIND;
__i915_vma_set_map_and_fenceable(vma);
- list_add_tail(&vma->vm_link, &ggtt->inactive_list);
+ list_add_tail(&vma->vm_link, &ggtt->base.inactive_list);
}
list_add_tail(&obj->global_list, &dev_priv->mm.bound_list);
projects / cascardo / linux.git / blobdiff