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-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c4
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c4
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h57
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c4
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c165
5 files changed, 123 insertions, 111 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 8819f851e99..1c697c0ab7e 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -276,8 +276,8 @@ static int i915_gem_object_info(struct seq_file *m, void *data)
count, size);
seq_printf(m, "%zu [%lu] gtt total\n",
- dev_priv->gtt.total,
- dev_priv->gtt.mappable_end - dev_priv->gtt.start);
+ dev_priv->gtt.base.total,
+ dev_priv->gtt.mappable_end - dev_priv->gtt.base.start);
seq_putc(m, '\n');
list_for_each_entry_reverse(file, &dev->filelist, lhead) {
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index a1d04b23e57..c5fab2f8cd7 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1673,7 +1673,7 @@ out_gem_unload:
out_mtrrfree:
arch_phys_wc_del(dev_priv->gtt.mtrr);
io_mapping_free(dev_priv->gtt.mappable);
- dev_priv->gtt.gtt_remove(dev);
+ dev_priv->gtt.base.cleanup(&dev_priv->gtt.base);
out_rmmap:
pci_iounmap(dev->pdev, dev_priv->regs);
put_bridge:
@@ -1768,7 +1768,7 @@ int i915_driver_unload(struct drm_device *dev)
destroy_workqueue(dev_priv->wq);
pm_qos_remove_request(&dev_priv->pm_qos);
- dev_priv->gtt.gtt_remove(dev);
+ dev_priv->gtt.base.cleanup(&dev_priv->gtt.base);
if (dev_priv->slab)
kmem_cache_destroy(dev_priv->slab);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c93ab68e4da..a2c909107a3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -446,6 +446,29 @@ enum i915_cache_level {
typedef uint32_t gen6_gtt_pte_t;
+struct i915_address_space {
+ struct drm_device *dev;
+ unsigned long start; /* Start offset always 0 for dri2 */
+ size_t total; /* size addr space maps (ex. 2GB for ggtt) */
+
+ struct {
+ dma_addr_t addr;
+ struct page *page;
+ } scratch;
+
+ /* FIXME: Need a more generic return type */
+ gen6_gtt_pte_t (*pte_encode)(dma_addr_t addr,
+ enum i915_cache_level level);
+ void (*clear_range)(struct i915_address_space *vm,
+ unsigned int first_entry,
+ unsigned int num_entries);
+ void (*insert_entries)(struct i915_address_space *vm,
+ struct sg_table *st,
+ unsigned int first_entry,
+ enum i915_cache_level cache_level);
+ void (*cleanup)(struct i915_address_space *vm);
+};
+
/* The Graphics Translation Table is the way in which GEN hardware translates a
* Graphics Virtual Address into a Physical Address. In addition to the normal
* collateral associated with any va->pa translations GEN hardware also has a
@@ -454,8 +477,7 @@ typedef uint32_t gen6_gtt_pte_t;
* the spec.
*/
struct i915_gtt {
- unsigned long start; /* Start offset of used GTT */
- size_t total; /* Total size GTT can map */
+ struct i915_address_space base;
size_t stolen_size; /* Total size of stolen memory */
unsigned long mappable_end; /* End offset that we can CPU map */
@@ -466,10 +488,6 @@ struct i915_gtt {
void __iomem *gsm;
bool do_idle_maps;
- struct {
- dma_addr_t addr;
- struct page *page;
- } scratch;
int mtrr;
@@ -477,38 +495,17 @@ struct i915_gtt {
int (*gtt_probe)(struct drm_device *dev, size_t *gtt_total,
size_t *stolen, phys_addr_t *mappable_base,
unsigned long *mappable_end);
- void (*gtt_remove)(struct drm_device *dev);
- void (*gtt_clear_range)(struct drm_device *dev,
- unsigned int first_entry,
- unsigned int num_entries);
- void (*gtt_insert_entries)(struct drm_device *dev,
- struct sg_table *st,
- unsigned int pg_start,
- enum i915_cache_level cache_level);
- gen6_gtt_pte_t (*pte_encode)(dma_addr_t addr,
- enum i915_cache_level level);
};
-#define gtt_total_entries(gtt) ((gtt).total >> PAGE_SHIFT)
+#define gtt_total_entries(gtt) ((gtt).base.total >> PAGE_SHIFT)
struct i915_hw_ppgtt {
- struct drm_device *dev;
+ struct i915_address_space base;
unsigned num_pd_entries;
struct page **pt_pages;
uint32_t pd_offset;
dma_addr_t *pt_dma_addr;
- /* pte functions, mirroring the interface of the global gtt. */
- void (*clear_range)(struct i915_hw_ppgtt *ppgtt,
- unsigned int first_entry,
- unsigned int num_entries);
- void (*insert_entries)(struct i915_hw_ppgtt *ppgtt,
- struct sg_table *st,
- unsigned int pg_start,
- enum i915_cache_level cache_level);
- gen6_gtt_pte_t (*pte_encode)(dma_addr_t addr,
- enum i915_cache_level level);
int (*enable)(struct drm_device *dev);
- void (*cleanup)(struct i915_hw_ppgtt *ppgtt);
};
struct i915_ctx_hang_stats {
@@ -1124,7 +1121,7 @@ typedef struct drm_i915_private {
enum modeset_restore modeset_restore;
struct mutex modeset_restore_lock;
- struct i915_gtt gtt;
+ struct i915_gtt gtt; /* VMA representing the global address space */
struct i915_gem_mm mm;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index df6ba10bf3a..4457d730b2e 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -181,7 +181,7 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
pinned += i915_gem_obj_ggtt_size(obj);
mutex_unlock(&dev->struct_mutex);
- args->aper_size = dev_priv->gtt.total;
+ args->aper_size = dev_priv->gtt.base.total;
args->aper_available_size = args->aper_size - pinned;
return 0;
@@ -3079,7 +3079,7 @@ i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
u32 size, fence_size, fence_alignment, unfenced_alignment;
bool mappable, fenceable;
size_t gtt_max = map_and_fenceable ?
- dev_priv->gtt.mappable_end : dev_priv->gtt.total;
+ dev_priv->gtt.mappable_end : dev_priv->gtt.base.total;
int ret;
fence_size = i915_gem_get_gtt_size(dev,
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 42227332830..f982bf0de15 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -124,7 +124,7 @@ static gen6_gtt_pte_t iris_pte_encode(dma_addr_t addr,
static void gen6_write_pdes(struct i915_hw_ppgtt *ppgtt)
{
- struct drm_i915_private *dev_priv = ppgtt->dev->dev_private;
+ struct drm_i915_private *dev_priv = ppgtt->base.dev->dev_private;
gen6_gtt_pte_t __iomem *pd_addr;
uint32_t pd_entry;
int i;
@@ -203,18 +203,18 @@ static int gen6_ppgtt_enable(struct drm_device *dev)
}
/* PPGTT support for Sandybdrige/Gen6 and later */
-static void gen6_ppgtt_clear_range(struct i915_hw_ppgtt *ppgtt,
+static void gen6_ppgtt_clear_range(struct i915_address_space *vm,
unsigned first_entry,
unsigned num_entries)
{
- struct drm_i915_private *dev_priv = ppgtt->dev->dev_private;
+ struct i915_hw_ppgtt *ppgtt =
+ container_of(vm, struct i915_hw_ppgtt, base);
gen6_gtt_pte_t *pt_vaddr, scratch_pte;
unsigned act_pt = first_entry / I915_PPGTT_PT_ENTRIES;
unsigned first_pte = first_entry % I915_PPGTT_PT_ENTRIES;
unsigned last_pte, i;
- scratch_pte = ppgtt->pte_encode(dev_priv->gtt.scratch.addr,
- I915_CACHE_LLC);
+ scratch_pte = vm->pte_encode(vm->scratch.addr, I915_CACHE_LLC);
while (num_entries) {
last_pte = first_pte + num_entries;
@@ -234,11 +234,13 @@ static void gen6_ppgtt_clear_range(struct i915_hw_ppgtt *ppgtt,
}
}
-static void gen6_ppgtt_insert_entries(struct i915_hw_ppgtt *ppgtt,
+static void gen6_ppgtt_insert_entries(struct i915_address_space *vm,
struct sg_table *pages,
unsigned first_entry,
enum i915_cache_level cache_level)
{
+ struct i915_hw_ppgtt *ppgtt =
+ container_of(vm, struct i915_hw_ppgtt, base);
gen6_gtt_pte_t *pt_vaddr;
unsigned act_pt = first_entry / I915_PPGTT_PT_ENTRIES;
unsigned act_pte = first_entry % I915_PPGTT_PT_ENTRIES;
@@ -249,7 +251,7 @@ static void gen6_ppgtt_insert_entries(struct i915_hw_ppgtt *ppgtt,
dma_addr_t page_addr;
page_addr = sg_page_iter_dma_address(&sg_iter);
- pt_vaddr[act_pte] = ppgtt->pte_encode(page_addr, cache_level);
+ pt_vaddr[act_pte] = vm->pte_encode(page_addr, cache_level);
if (++act_pte == I915_PPGTT_PT_ENTRIES) {
kunmap_atomic(pt_vaddr);
act_pt++;
@@ -261,13 +263,15 @@ static void gen6_ppgtt_insert_entries(struct i915_hw_ppgtt *ppgtt,
kunmap_atomic(pt_vaddr);
}
-static void gen6_ppgtt_cleanup(struct i915_hw_ppgtt *ppgtt)
+static void gen6_ppgtt_cleanup(struct i915_address_space *vm)
{
+ struct i915_hw_ppgtt *ppgtt =
+ container_of(vm, struct i915_hw_ppgtt, base);
int i;
if (ppgtt->pt_dma_addr) {
for (i = 0; i < ppgtt->num_pd_entries; i++)
- pci_unmap_page(ppgtt->dev->pdev,
+ pci_unmap_page(ppgtt->base.dev->pdev,
ppgtt->pt_dma_addr[i],
4096, PCI_DMA_BIDIRECTIONAL);
}
@@ -281,7 +285,7 @@ static void gen6_ppgtt_cleanup(struct i915_hw_ppgtt *ppgtt)
static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
{
- struct drm_device *dev = ppgtt->dev;
+ struct drm_device *dev = ppgtt->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned first_pd_entry_in_global_pt;
int i;
@@ -293,17 +297,18 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
first_pd_entry_in_global_pt = gtt_total_entries(dev_priv->gtt);
if (IS_HASWELL(dev)) {
- ppgtt->pte_encode = hsw_pte_encode;
+ ppgtt->base.pte_encode = hsw_pte_encode;
} else if (IS_VALLEYVIEW(dev)) {
- ppgtt->pte_encode = byt_pte_encode;
+ ppgtt->base.pte_encode = byt_pte_encode;
} else {
- ppgtt->pte_encode = gen6_pte_encode;
+ ppgtt->base.pte_encode = gen6_pte_encode;
}
ppgtt->num_pd_entries = GEN6_PPGTT_PD_ENTRIES;
ppgtt->enable = gen6_ppgtt_enable;
- ppgtt->clear_range = gen6_ppgtt_clear_range;
- ppgtt->insert_entries = gen6_ppgtt_insert_entries;
- ppgtt->cleanup = gen6_ppgtt_cleanup;
+ ppgtt->base.clear_range = gen6_ppgtt_clear_range;
+ ppgtt->base.insert_entries = gen6_ppgtt_insert_entries;
+ ppgtt->base.cleanup = gen6_ppgtt_cleanup;
+ ppgtt->base.scratch = dev_priv->gtt.base.scratch;
ppgtt->pt_pages = kzalloc(sizeof(struct page *)*ppgtt->num_pd_entries,
GFP_KERNEL);
if (!ppgtt->pt_pages)
@@ -334,8 +339,8 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
ppgtt->pt_dma_addr[i] = pt_addr;
}
- ppgtt->clear_range(ppgtt, 0,
- ppgtt->num_pd_entries*I915_PPGTT_PT_ENTRIES);
+ ppgtt->base.clear_range(&ppgtt->base, 0,
+ ppgtt->num_pd_entries * I915_PPGTT_PT_ENTRIES);
ppgtt->pd_offset = first_pd_entry_in_global_pt * sizeof(gen6_gtt_pte_t);
@@ -368,7 +373,7 @@ static int i915_gem_init_aliasing_ppgtt(struct drm_device *dev)
if (!ppgtt)
return -ENOMEM;
- ppgtt->dev = dev;
+ ppgtt->base.dev = dev;
if (INTEL_INFO(dev)->gen < 8)
ret = gen6_ppgtt_init(ppgtt);
@@ -391,7 +396,7 @@ void i915_gem_cleanup_aliasing_ppgtt(struct drm_device *dev)
if (!ppgtt)
return;
- ppgtt->cleanup(ppgtt);
+ ppgtt->base.cleanup(&ppgtt->base);
dev_priv->mm.aliasing_ppgtt = NULL;
}
@@ -399,17 +404,17 @@ void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt,
struct drm_i915_gem_object *obj,
enum i915_cache_level cache_level)
{
- ppgtt->insert_entries(ppgtt, obj->pages,
- i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
- cache_level);
+ ppgtt->base.insert_entries(&ppgtt->base, obj->pages,
+ i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
+ cache_level);
}
void i915_ppgtt_unbind_object(struct i915_hw_ppgtt *ppgtt,
struct drm_i915_gem_object *obj)
{
- ppgtt->clear_range(ppgtt,
- i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
- obj->base.size >> PAGE_SHIFT);
+ ppgtt->base.clear_range(&ppgtt->base,
+ i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
+ obj->base.size >> PAGE_SHIFT);
}
extern int intel_iommu_gfx_mapped;
@@ -456,8 +461,9 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
struct drm_i915_gem_object *obj;
/* First fill our portion of the GTT with scratch pages */
- dev_priv->gtt.gtt_clear_range(dev, dev_priv->gtt.start / PAGE_SIZE,
- dev_priv->gtt.total / PAGE_SIZE);
+ dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
+ dev_priv->gtt.base.start / PAGE_SIZE,
+ dev_priv->gtt.base.total / PAGE_SIZE);
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
i915_gem_clflush_object(obj);
@@ -486,12 +492,12 @@ int i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj)
* within the global GTT as well as accessible by the GPU through the GMADR
* mapped BAR (dev_priv->mm.gtt->gtt).
*/
-static void gen6_ggtt_insert_entries(struct drm_device *dev,
+static void gen6_ggtt_insert_entries(struct i915_address_space *vm,
struct sg_table *st,
unsigned int first_entry,
enum i915_cache_level level)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = vm->dev->dev_private;
gen6_gtt_pte_t __iomem *gtt_entries =
(gen6_gtt_pte_t __iomem *)dev_priv->gtt.gsm + first_entry;
int i = 0;
@@ -500,8 +506,7 @@ static void gen6_ggtt_insert_entries(struct drm_device *dev,
for_each_sg_page(st->sgl, &sg_iter, st->nents, 0) {
addr = sg_page_iter_dma_address(&sg_iter);
- iowrite32(dev_priv->gtt.pte_encode(addr, level),
- &gtt_entries[i]);
+ iowrite32(vm->pte_encode(addr, level), &gtt_entries[i]);
i++;
}
@@ -512,8 +517,8 @@ static void gen6_ggtt_insert_entries(struct drm_device *dev,
* hardware should work, we must keep this posting read for paranoia.
*/
if (i != 0)
- WARN_ON(readl(&gtt_entries[i-1])
- != dev_priv->gtt.pte_encode(addr, level));
+ WARN_ON(readl(&gtt_entries[i-1]) !=
+ vm->pte_encode(addr, level));
/* This next bit makes the above posting read even more important. We
* want to flush the TLBs only after we're certain all the PTE updates
@@ -523,11 +528,11 @@ static void gen6_ggtt_insert_entries(struct drm_device *dev,
POSTING_READ(GFX_FLSH_CNTL_GEN6);
}
-static void gen6_ggtt_clear_range(struct drm_device *dev,
+static void gen6_ggtt_clear_range(struct i915_address_space *vm,
unsigned int first_entry,
unsigned int num_entries)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = vm->dev->dev_private;
gen6_gtt_pte_t scratch_pte, __iomem *gtt_base =
(gen6_gtt_pte_t __iomem *) dev_priv->gtt.gsm + first_entry;
const int max_entries = gtt_total_entries(dev_priv->gtt) - first_entry;
@@ -538,15 +543,14 @@ static void gen6_ggtt_clear_range(struct drm_device *dev,
first_entry, num_entries, max_entries))
num_entries = max_entries;
- scratch_pte = dev_priv->gtt.pte_encode(dev_priv->gtt.scratch.addr,
- I915_CACHE_LLC);
+ scratch_pte = vm->pte_encode(vm->scratch.addr, I915_CACHE_LLC);
for (i = 0; i < num_entries; i++)
iowrite32(scratch_pte, &gtt_base[i]);
readl(gtt_base);
}
-static void i915_ggtt_insert_entries(struct drm_device *dev,
+static void i915_ggtt_insert_entries(struct i915_address_space *vm,
struct sg_table *st,
unsigned int pg_start,
enum i915_cache_level cache_level)
@@ -558,7 +562,7 @@ static void i915_ggtt_insert_entries(struct drm_device *dev,
}
-static void i915_ggtt_clear_range(struct drm_device *dev,
+static void i915_ggtt_clear_range(struct i915_address_space *vm,
unsigned int first_entry,
unsigned int num_entries)
{
@@ -571,10 +575,11 @@ void i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj,
{
struct drm_device *dev = obj->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ const unsigned long entry = i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT;
- dev_priv->gtt.gtt_insert_entries(dev, obj->pages,
- i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
- cache_level);
+ dev_priv->gtt.base.insert_entries(&dev_priv->gtt.base, obj->pages,
+ entry,
+ cache_level);
obj->has_global_gtt_mapping = 1;
}
@@ -583,10 +588,11 @@ void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj)
{
struct drm_device *dev = obj->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ const unsigned long entry = i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT;
- dev_priv->gtt.gtt_clear_range(obj->base.dev,
- i915_gem_obj_ggtt_offset(obj) >> PAGE_SHIFT,
- obj->base.size >> PAGE_SHIFT);
+ dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
+ entry,
+ obj->base.size >> PAGE_SHIFT);
obj->has_global_gtt_mapping = 0;
}
@@ -663,20 +669,23 @@ void i915_gem_setup_global_gtt(struct drm_device *dev,
obj->has_global_gtt_mapping = 1;
}
- dev_priv->gtt.start = start;
- dev_priv->gtt.total = end - start;
+ dev_priv->gtt.base.start = start;
+ dev_priv->gtt.base.total = end - start;
/* Clear any non-preallocated blocks */
drm_mm_for_each_hole(entry, &dev_priv->mm.gtt_space,
hole_start, hole_end) {
+ const unsigned long count = (hole_end - hole_start) / PAGE_SIZE;
DRM_DEBUG_KMS("clearing unused GTT space: [%lx, %lx]\n",
hole_start, hole_end);
- dev_priv->gtt.gtt_clear_range(dev, hole_start / PAGE_SIZE,
- (hole_end-hole_start) / PAGE_SIZE);
+ dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
+ hole_start / PAGE_SIZE,
+ count);
}
/* And finally clear the reserved guard page */
- dev_priv->gtt.gtt_clear_range(dev, end / PAGE_SIZE - 1, 1);
+ dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
+ end / PAGE_SIZE - 1, 1);
}
static bool
@@ -699,7 +708,7 @@ void i915_gem_init_global_gtt(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long gtt_size, mappable_size;
- gtt_size = dev_priv->gtt.total;
+ gtt_size = dev_priv->gtt.base.total;
mappable_size = dev_priv->gtt.mappable_end;
if (intel_enable_ppgtt(dev) && HAS_ALIASING_PPGTT(dev)) {
@@ -744,8 +753,8 @@ static int setup_scratch_page(struct drm_device *dev)
#else
dma_addr = page_to_phys(page);
#endif
- dev_priv->gtt.scratch.page = page;
- dev_priv->gtt.scratch.addr = dma_addr;
+ dev_priv->gtt.base.scratch.page = page;
+ dev_priv->gtt.base.scratch.addr = dma_addr;
return 0;
}
@@ -753,11 +762,13 @@ static int setup_scratch_page(struct drm_device *dev)
static void teardown_scratch_page(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- set_pages_wb(dev_priv->gtt.scratch.page, 1);
- pci_unmap_page(dev->pdev, dev_priv->gtt.scratch.addr,
+ struct page *page = dev_priv->gtt.base.scratch.page;
+
+ set_pages_wb(page, 1);
+ pci_unmap_page(dev->pdev, dev_priv->gtt.base.scratch.addr,
PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
- put_page(dev_priv->gtt.scratch.page);
- __free_page(dev_priv->gtt.scratch.page);
+ put_page(page);
+ __free_page(page);
}
static inline unsigned int gen6_get_total_gtt_size(u16 snb_gmch_ctl)
@@ -820,17 +831,18 @@ static int gen6_gmch_probe(struct drm_device *dev,
if (ret)
DRM_ERROR("Scratch setup failed\n");
- dev_priv->gtt.gtt_clear_range = gen6_ggtt_clear_range;
- dev_priv->gtt.gtt_insert_entries = gen6_ggtt_insert_entries;
+ dev_priv->gtt.base.clear_range = gen6_ggtt_clear_range;
+ dev_priv->gtt.base.insert_entries = gen6_ggtt_insert_entries;
return ret;
}
-static void gen6_gmch_remove(struct drm_device *dev)
+static void gen6_gmch_remove(struct i915_address_space *vm)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- iounmap(dev_priv->gtt.gsm);
- teardown_scratch_page(dev_priv->dev);
+
+ struct i915_gtt *gtt = container_of(vm, struct i915_gtt, base);
+ iounmap(gtt->gsm);
+ teardown_scratch_page(vm->dev);
}
static int i915_gmch_probe(struct drm_device *dev,
@@ -851,13 +863,13 @@ static int i915_gmch_probe(struct drm_device *dev,
intel_gtt_get(gtt_total, stolen, mappable_base, mappable_end);
dev_priv->gtt.do_idle_maps = needs_idle_maps(dev_priv->dev);
- dev_priv->gtt.gtt_clear_range = i915_ggtt_clear_range;
- dev_priv->gtt.gtt_insert_entries = i915_ggtt_insert_entries;
+ dev_priv->gtt.base.clear_range = i915_ggtt_clear_range;
+ dev_priv->gtt.base.insert_entries = i915_ggtt_insert_entries;
return 0;
}
-static void i915_gmch_remove(struct drm_device *dev)
+static void i915_gmch_remove(struct i915_address_space *vm)
{
intel_gmch_remove();
}
@@ -870,27 +882,30 @@ int i915_gem_gtt_init(struct drm_device *dev)
if (INTEL_INFO(dev)->gen <= 5) {
gtt->gtt_probe = i915_gmch_probe;
- gtt->gtt_remove = i915_gmch_remove;
+ gtt->base.cleanup = i915_gmch_remove;
} else {
gtt->gtt_probe = gen6_gmch_probe;
- gtt->gtt_remove = gen6_gmch_remove;
+ gtt->base.cleanup = gen6_gmch_remove;
if (IS_HASWELL(dev) && dev_priv->ellc_size)
- gtt->pte_encode = iris_pte_encode;
+ gtt->base.pte_encode = iris_pte_encode;
else if (IS_HASWELL(dev))
- gtt->pte_encode = hsw_pte_encode;
+ gtt->base.pte_encode = hsw_pte_encode;
else if (IS_VALLEYVIEW(dev))
- gtt->pte_encode = byt_pte_encode;
+ gtt->base.pte_encode = byt_pte_encode;
else
- gtt->pte_encode = gen6_pte_encode;
+ gtt->base.pte_encode = gen6_pte_encode;
}
- ret = gtt->gtt_probe(dev, &gtt->total, &gtt->stolen_size,
+ ret = gtt->gtt_probe(dev, &gtt->base.total, &gtt->stolen_size,
&gtt->mappable_base, &gtt->mappable_end);
if (ret)
return ret;
+ gtt->base.dev = dev;
+
/* GMADR is the PCI mmio aperture into the global GTT. */
- DRM_INFO("Memory usable by graphics device = %zdM\n", gtt->total >> 20);
+ DRM_INFO("Memory usable by graphics device = %zdM\n",
+ gtt->base.total >> 20);
DRM_DEBUG_DRIVER("GMADR size = %ldM\n", gtt->mappable_end >> 20);
DRM_DEBUG_DRIVER("GTT stolen size = %zdM\n", gtt->stolen_size >> 20);