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path: root/drivers/gpu/drm/i915/i915_gem_gtt.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c881
1 files changed, 440 insertions, 441 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index f38ceffd82c3..0bb4232f66bc 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -32,6 +32,8 @@
#include "i915_trace.h"
#include "intel_drv.h"
+#define I915_GFP_DMA (GFP_KERNEL | __GFP_HIGHMEM)
+
/**
* DOC: Global GTT views
*
@@ -173,11 +175,13 @@ static int ppgtt_bind_vma(struct i915_vma *vma,
{
u32 pte_flags = 0;
+ vma->pages = vma->obj->pages;
+
/* Currently applicable only to VLV */
if (vma->obj->gt_ro)
pte_flags |= PTE_READ_ONLY;
- vma->vm->insert_entries(vma->vm, vma->obj->pages, vma->node.start,
+ vma->vm->insert_entries(vma->vm, vma->pages, vma->node.start,
cache_level, pte_flags);
return 0;
@@ -187,7 +191,7 @@ static void ppgtt_unbind_vma(struct i915_vma *vma)
{
vma->vm->clear_range(vma->vm,
vma->node.start,
- vma->obj->base.size,
+ vma->size,
true);
}
@@ -327,16 +331,16 @@ static gen6_pte_t iris_pte_encode(dma_addr_t addr,
static int __setup_page_dma(struct drm_device *dev,
struct i915_page_dma *p, gfp_t flags)
{
- struct device *device = &dev->pdev->dev;
+ struct device *kdev = &dev->pdev->dev;
p->page = alloc_page(flags);
if (!p->page)
return -ENOMEM;
- p->daddr = dma_map_page(device,
+ p->daddr = dma_map_page(kdev,
p->page, 0, 4096, PCI_DMA_BIDIRECTIONAL);
- if (dma_mapping_error(device, p->daddr)) {
+ if (dma_mapping_error(kdev, p->daddr)) {
__free_page(p->page);
return -EINVAL;
}
@@ -346,15 +350,17 @@ static int __setup_page_dma(struct drm_device *dev,
static int setup_page_dma(struct drm_device *dev, struct i915_page_dma *p)
{
- return __setup_page_dma(dev, p, GFP_KERNEL);
+ return __setup_page_dma(dev, p, I915_GFP_DMA);
}
static void cleanup_page_dma(struct drm_device *dev, struct i915_page_dma *p)
{
+ struct pci_dev *pdev = dev->pdev;
+
if (WARN_ON(!p->page))
return;
- dma_unmap_page(&dev->pdev->dev, p->daddr, 4096, PCI_DMA_BIDIRECTIONAL);
+ dma_unmap_page(&pdev->dev, p->daddr, 4096, PCI_DMA_BIDIRECTIONAL);
__free_page(p->page);
memset(p, 0, sizeof(*p));
}
@@ -408,33 +414,18 @@ static void fill_page_dma_32(struct drm_device *dev, struct i915_page_dma *p,
fill_page_dma(dev, p, v);
}
-static struct i915_page_scratch *alloc_scratch_page(struct drm_device *dev)
+static int
+setup_scratch_page(struct drm_device *dev,
+ struct i915_page_dma *scratch,
+ gfp_t gfp)
{
- struct i915_page_scratch *sp;
- int ret;
-
- sp = kzalloc(sizeof(*sp), GFP_KERNEL);
- if (sp == NULL)
- return ERR_PTR(-ENOMEM);
-
- ret = __setup_page_dma(dev, px_base(sp), GFP_DMA32 | __GFP_ZERO);
- if (ret) {
- kfree(sp);
- return ERR_PTR(ret);
- }
-
- set_pages_uc(px_page(sp), 1);
-
- return sp;
+ return __setup_page_dma(dev, scratch, gfp | __GFP_ZERO);
}
-static void free_scratch_page(struct drm_device *dev,
- struct i915_page_scratch *sp)
+static void cleanup_scratch_page(struct drm_device *dev,
+ struct i915_page_dma *scratch)
{
- set_pages_wb(px_page(sp), 1);
-
- cleanup_px(dev, sp);
- kfree(sp);
+ cleanup_page_dma(dev, scratch);
}
static struct i915_page_table *alloc_pt(struct drm_device *dev)
@@ -480,7 +471,7 @@ static void gen8_initialize_pt(struct i915_address_space *vm,
{
gen8_pte_t scratch_pte;
- scratch_pte = gen8_pte_encode(px_dma(vm->scratch_page),
+ scratch_pte = gen8_pte_encode(vm->scratch_page.daddr,
I915_CACHE_LLC, true);
fill_px(vm->dev, pt, scratch_pte);
@@ -491,9 +482,9 @@ static void gen6_initialize_pt(struct i915_address_space *vm,
{
gen6_pte_t scratch_pte;
- WARN_ON(px_dma(vm->scratch_page) == 0);
+ WARN_ON(vm->scratch_page.daddr == 0);
- scratch_pte = vm->pte_encode(px_dma(vm->scratch_page),
+ scratch_pte = vm->pte_encode(vm->scratch_page.daddr,
I915_CACHE_LLC, true, 0);
fill32_px(vm->dev, pt, scratch_pte);
@@ -672,6 +663,7 @@ static int gen8_write_pdp(struct drm_i915_gem_request *req,
unsigned entry,
dma_addr_t addr)
{
+ struct intel_ring *ring = req->ring;
struct intel_engine_cs *engine = req->engine;
int ret;
@@ -681,13 +673,13 @@ static int gen8_write_pdp(struct drm_i915_gem_request *req,
if (ret)
return ret;
- intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(1));
- intel_ring_emit_reg(engine, GEN8_RING_PDP_UDW(engine, entry));
- intel_ring_emit(engine, upper_32_bits(addr));
- intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(1));
- intel_ring_emit_reg(engine, GEN8_RING_PDP_LDW(engine, entry));
- intel_ring_emit(engine, lower_32_bits(addr));
- intel_ring_advance(engine);
+ intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
+ intel_ring_emit_reg(ring, GEN8_RING_PDP_UDW(engine, entry));
+ intel_ring_emit(ring, upper_32_bits(addr));
+ intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
+ intel_ring_emit_reg(ring, GEN8_RING_PDP_LDW(engine, entry));
+ intel_ring_emit(ring, lower_32_bits(addr));
+ intel_ring_advance(ring);
return 0;
}
@@ -776,7 +768,7 @@ static void gen8_ppgtt_clear_range(struct i915_address_space *vm,
bool use_scratch)
{
struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm);
- gen8_pte_t scratch_pte = gen8_pte_encode(px_dma(vm->scratch_page),
+ gen8_pte_t scratch_pte = gen8_pte_encode(vm->scratch_page.daddr,
I915_CACHE_LLC, use_scratch);
if (!USES_FULL_48BIT_PPGTT(vm->dev)) {
@@ -882,9 +874,9 @@ static int gen8_init_scratch(struct i915_address_space *vm)
struct drm_device *dev = vm->dev;
int ret;
- vm->scratch_page = alloc_scratch_page(dev);
- if (IS_ERR(vm->scratch_page))
- return PTR_ERR(vm->scratch_page);
+ ret = setup_scratch_page(dev, &vm->scratch_page, I915_GFP_DMA);
+ if (ret)
+ return ret;
vm->scratch_pt = alloc_pt(dev);
if (IS_ERR(vm->scratch_pt)) {
@@ -918,7 +910,7 @@ free_pd:
free_pt:
free_pt(dev, vm->scratch_pt);
free_scratch_page:
- free_scratch_page(dev, vm->scratch_page);
+ cleanup_scratch_page(dev, &vm->scratch_page);
return ret;
}
@@ -962,7 +954,7 @@ static void gen8_free_scratch(struct i915_address_space *vm)
free_pdp(dev, vm->scratch_pdp);
free_pd(dev, vm->scratch_pd);
free_pt(dev, vm->scratch_pt);
- free_scratch_page(dev, vm->scratch_page);
+ cleanup_scratch_page(dev, &vm->scratch_page);
}
static void gen8_ppgtt_cleanup_3lvl(struct drm_device *dev,
@@ -1459,7 +1451,7 @@ static void gen8_dump_ppgtt(struct i915_hw_ppgtt *ppgtt, struct seq_file *m)
struct i915_address_space *vm = &ppgtt->base;
uint64_t start = ppgtt->base.start;
uint64_t length = ppgtt->base.total;
- gen8_pte_t scratch_pte = gen8_pte_encode(px_dma(vm->scratch_page),
+ gen8_pte_t scratch_pte = gen8_pte_encode(vm->scratch_page.daddr,
I915_CACHE_LLC, true);
if (!USES_FULL_48BIT_PPGTT(vm->dev)) {
@@ -1576,7 +1568,7 @@ static void gen6_dump_ppgtt(struct i915_hw_ppgtt *ppgtt, struct seq_file *m)
uint32_t pte, pde;
uint32_t start = ppgtt->base.start, length = ppgtt->base.total;
- scratch_pte = vm->pte_encode(px_dma(vm->scratch_page),
+ scratch_pte = vm->pte_encode(vm->scratch_page.daddr,
I915_CACHE_LLC, true, 0);
gen6_for_each_pde(unused, &ppgtt->pd, start, length, pde) {
@@ -1663,11 +1655,12 @@ static uint32_t get_pd_offset(struct i915_hw_ppgtt *ppgtt)
static int hsw_mm_switch(struct i915_hw_ppgtt *ppgtt,
struct drm_i915_gem_request *req)
{
+ struct intel_ring *ring = req->ring;
struct intel_engine_cs *engine = req->engine;
int ret;
/* NB: TLBs must be flushed and invalidated before a switch */
- ret = engine->flush(req, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+ ret = engine->emit_flush(req, EMIT_INVALIDATE | EMIT_FLUSH);
if (ret)
return ret;
@@ -1675,13 +1668,13 @@ static int hsw_mm_switch(struct i915_hw_ppgtt *ppgtt,
if (ret)
return ret;
- intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(2));
- intel_ring_emit_reg(engine, RING_PP_DIR_DCLV(engine));
- intel_ring_emit(engine, PP_DIR_DCLV_2G);
- intel_ring_emit_reg(engine, RING_PP_DIR_BASE(engine));
- intel_ring_emit(engine, get_pd_offset(ppgtt));
- intel_ring_emit(engine, MI_NOOP);
- intel_ring_advance(engine);
+ intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(2));
+ intel_ring_emit_reg(ring, RING_PP_DIR_DCLV(engine));
+ intel_ring_emit(ring, PP_DIR_DCLV_2G);
+ intel_ring_emit_reg(ring, RING_PP_DIR_BASE(engine));
+ intel_ring_emit(ring, get_pd_offset(ppgtt));
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_advance(ring);
return 0;
}
@@ -1689,11 +1682,12 @@ static int hsw_mm_switch(struct i915_hw_ppgtt *ppgtt,
static int gen7_mm_switch(struct i915_hw_ppgtt *ppgtt,
struct drm_i915_gem_request *req)
{
+ struct intel_ring *ring = req->ring;
struct intel_engine_cs *engine = req->engine;
int ret;
/* NB: TLBs must be flushed and invalidated before a switch */
- ret = engine->flush(req, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+ ret = engine->emit_flush(req, EMIT_INVALIDATE | EMIT_FLUSH);
if (ret)
return ret;
@@ -1701,17 +1695,17 @@ static int gen7_mm_switch(struct i915_hw_ppgtt *ppgtt,
if (ret)
return ret;
- intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(2));
- intel_ring_emit_reg(engine, RING_PP_DIR_DCLV(engine));
- intel_ring_emit(engine, PP_DIR_DCLV_2G);
- intel_ring_emit_reg(engine, RING_PP_DIR_BASE(engine));
- intel_ring_emit(engine, get_pd_offset(ppgtt));
- intel_ring_emit(engine, MI_NOOP);
- intel_ring_advance(engine);
+ intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(2));
+ intel_ring_emit_reg(ring, RING_PP_DIR_DCLV(engine));
+ intel_ring_emit(ring, PP_DIR_DCLV_2G);
+ intel_ring_emit_reg(ring, RING_PP_DIR_BASE(engine));
+ intel_ring_emit(ring, get_pd_offset(ppgtt));
+ intel_ring_emit(ring, MI_NOOP);
+ intel_ring_advance(ring);
/* XXX: RCS is the only one to auto invalidate the TLBs? */
if (engine->id != RCS) {
- ret = engine->flush(req, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+ ret = engine->emit_flush(req, EMIT_INVALIDATE | EMIT_FLUSH);
if (ret)
return ret;
}
@@ -1799,7 +1793,7 @@ static void gen6_ppgtt_clear_range(struct i915_address_space *vm,
unsigned first_pte = first_entry % GEN6_PTES;
unsigned last_pte, i;
- scratch_pte = vm->pte_encode(px_dma(vm->scratch_page),
+ scratch_pte = vm->pte_encode(vm->scratch_page.daddr,
I915_CACHE_LLC, true, 0);
while (num_entries) {
@@ -1945,14 +1939,15 @@ unwind_out:
static int gen6_init_scratch(struct i915_address_space *vm)
{
struct drm_device *dev = vm->dev;
+ int ret;
- vm->scratch_page = alloc_scratch_page(dev);
- if (IS_ERR(vm->scratch_page))
- return PTR_ERR(vm->scratch_page);
+ ret = setup_scratch_page(dev, &vm->scratch_page, I915_GFP_DMA);
+ if (ret)
+ return ret;
vm->scratch_pt = alloc_pt(dev);
if (IS_ERR(vm->scratch_pt)) {
- free_scratch_page(dev, vm->scratch_page);
+ cleanup_scratch_page(dev, &vm->scratch_page);
return PTR_ERR(vm->scratch_pt);
}
@@ -1966,7 +1961,7 @@ static void gen6_free_scratch(struct i915_address_space *vm)
struct drm_device *dev = vm->dev;
free_pt(dev, vm->scratch_pt);
- free_scratch_page(dev, vm->scratch_page);
+ cleanup_scratch_page(dev, &vm->scratch_page);
}
static void gen6_ppgtt_cleanup(struct i915_address_space *vm)
@@ -2012,7 +2007,7 @@ alloc:
0, ggtt->base.total,
DRM_MM_TOPDOWN);
if (ret == -ENOSPC && !retried) {
- ret = i915_gem_evict_something(dev, &ggtt->base,
+ ret = i915_gem_evict_something(&ggtt->base,
GEN6_PD_SIZE, GEN6_PD_ALIGN,
I915_CACHE_NONE,
0, ggtt->base.total,
@@ -2104,11 +2099,12 @@ static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
return 0;
}
-static int __hw_ppgtt_init(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt)
+static int __hw_ppgtt_init(struct i915_hw_ppgtt *ppgtt,
+ struct drm_i915_private *dev_priv)
{
- ppgtt->base.dev = dev;
+ ppgtt->base.dev = &dev_priv->drm;
- if (INTEL_INFO(dev)->gen < 8)
+ if (INTEL_INFO(dev_priv)->gen < 8)
return gen6_ppgtt_init(ppgtt);
else
return gen8_ppgtt_init(ppgtt);
@@ -2118,9 +2114,9 @@ static void i915_address_space_init(struct i915_address_space *vm,
struct drm_i915_private *dev_priv)
{
drm_mm_init(&vm->mm, vm->start, vm->total);
- vm->dev = &dev_priv->drm;
INIT_LIST_HEAD(&vm->active_list);
INIT_LIST_HEAD(&vm->inactive_list);
+ INIT_LIST_HEAD(&vm->unbound_list);
list_add_tail(&vm->global_link, &dev_priv->vm_list);
}
@@ -2143,15 +2139,17 @@ static void gtt_write_workarounds(struct drm_device *dev)
I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_BXT);
}
-static int i915_ppgtt_init(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt)
+static int i915_ppgtt_init(struct i915_hw_ppgtt *ppgtt,
+ struct drm_i915_private *dev_priv,
+ struct drm_i915_file_private *file_priv)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
- int ret = 0;
+ int ret;
- ret = __hw_ppgtt_init(dev, ppgtt);
+ ret = __hw_ppgtt_init(ppgtt, dev_priv);
if (ret == 0) {
kref_init(&ppgtt->ref);
i915_address_space_init(&ppgtt->base, dev_priv);
+ ppgtt->base.file = file_priv;
}
return ret;
@@ -2183,7 +2181,8 @@ int i915_ppgtt_init_hw(struct drm_device *dev)
}
struct i915_hw_ppgtt *
-i915_ppgtt_create(struct drm_device *dev, struct drm_i915_file_private *fpriv)
+i915_ppgtt_create(struct drm_i915_private *dev_priv,
+ struct drm_i915_file_private *fpriv)
{
struct i915_hw_ppgtt *ppgtt;
int ret;
@@ -2192,14 +2191,12 @@ i915_ppgtt_create(struct drm_device *dev, struct drm_i915_file_private *fpriv)
if (!ppgtt)
return ERR_PTR(-ENOMEM);
- ret = i915_ppgtt_init(dev, ppgtt);
+ ret = i915_ppgtt_init(ppgtt, dev_priv, fpriv);
if (ret) {
kfree(ppgtt);
return ERR_PTR(ret);
}
- ppgtt->file_priv = fpriv;
-
trace_i915_ppgtt_create(&ppgtt->base);
return ppgtt;
@@ -2212,9 +2209,10 @@ void i915_ppgtt_release(struct kref *kref)
trace_i915_ppgtt_release(&ppgtt->base);
- /* vmas should already be unbound */
+ /* vmas should already be unbound and destroyed */
WARN_ON(!list_empty(&ppgtt->base.active_list));
WARN_ON(!list_empty(&ppgtt->base.inactive_list));
+ WARN_ON(!list_empty(&ppgtt->base.unbound_list));
list_del(&ppgtt->base.global_link);
drm_mm_takedown(&ppgtt->base.mm);
@@ -2223,47 +2221,21 @@ void i915_ppgtt_release(struct kref *kref)
kfree(ppgtt);
}
-extern int intel_iommu_gfx_mapped;
/* Certain Gen5 chipsets require require idling the GPU before
* unmapping anything from the GTT when VT-d is enabled.
*/
-static bool needs_idle_maps(struct drm_device *dev)
+static bool needs_idle_maps(struct drm_i915_private *dev_priv)
{
#ifdef CONFIG_INTEL_IOMMU
/* Query intel_iommu to see if we need the workaround. Presumably that
* was loaded first.
*/
- if (IS_GEN5(dev) && IS_MOBILE(dev) && intel_iommu_gfx_mapped)
+ if (IS_GEN5(dev_priv) && IS_MOBILE(dev_priv) && intel_iommu_gfx_mapped)
return true;
#endif
return false;
}
-static bool do_idling(struct drm_i915_private *dev_priv)
-{
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
- bool ret = dev_priv->mm.interruptible;
-
- if (unlikely(ggtt->do_idle_maps)) {
- dev_priv->mm.interruptible = false;
- if (i915_gem_wait_for_idle(dev_priv)) {
- DRM_ERROR("Failed to wait for idle; VT'd may hang.\n");
- /* Wait a bit, in hopes it avoids the hang */
- udelay(10);
- }
- }
-
- return ret;
-}
-
-static void undo_idling(struct drm_i915_private *dev_priv, bool interruptible)
-{
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
-
- if (unlikely(ggtt->do_idle_maps))
- dev_priv->mm.interruptible = interruptible;
-}
-
void i915_check_and_clear_faults(struct drm_i915_private *dev_priv)
{
struct intel_engine_cs *engine;
@@ -2332,12 +2304,7 @@ int i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj)
static void gen8_set_pte(void __iomem *addr, gen8_pte_t pte)
{
-#ifdef writeq
writeq(pte, addr);
-#else
- iowrite32((u32)pte, addr);
- iowrite32(pte >> 32, addr + 4);
-#endif
}
static void gen8_ggtt_insert_page(struct i915_address_space *vm,
@@ -2530,7 +2497,7 @@ static void gen8_ggtt_clear_range(struct i915_address_space *vm,
first_entry, num_entries, max_entries))
num_entries = max_entries;
- scratch_pte = gen8_pte_encode(px_dma(vm->scratch_page),
+ scratch_pte = gen8_pte_encode(vm->scratch_page.daddr,
I915_CACHE_LLC,
use_scratch);
for (i = 0; i < num_entries; i++)
@@ -2562,7 +2529,7 @@ static void gen6_ggtt_clear_range(struct i915_address_space *vm,
first_entry, num_entries, max_entries))
num_entries = max_entries;
- scratch_pte = vm->pte_encode(px_dma(vm->scratch_page),
+ scratch_pte = vm->pte_encode(vm->scratch_page.daddr,
I915_CACHE_LLC, use_scratch, 0);
for (i = 0; i < num_entries; i++)
@@ -2641,8 +2608,7 @@ static int ggtt_bind_vma(struct i915_vma *vma,
if (obj->gt_ro)
pte_flags |= PTE_READ_ONLY;
- vma->vm->insert_entries(vma->vm, vma->ggtt_view.pages,
- vma->node.start,
+ vma->vm->insert_entries(vma->vm, vma->pages, vma->node.start,
cache_level, pte_flags);
/*
@@ -2650,7 +2616,7 @@ static int ggtt_bind_vma(struct i915_vma *vma,
* GLOBAL/LOCAL_BIND, it's all the same ptes. Hence unconditionally
* upgrade to both bound if we bind either to avoid double-binding.
*/
- vma->bound |= GLOBAL_BIND | LOCAL_BIND;
+ vma->flags |= I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND;
return 0;
}
@@ -2672,19 +2638,17 @@ static int aliasing_gtt_bind_vma(struct i915_vma *vma,
pte_flags |= PTE_READ_ONLY;
- if (flags & GLOBAL_BIND) {
+ if (flags & I915_VMA_GLOBAL_BIND) {
vma->vm->insert_entries(vma->vm,
- vma->ggtt_view.pages,
- vma->node.start,
+ vma->pages, vma->node.start,
cache_level, pte_flags);
}
- if (flags & LOCAL_BIND) {
+ if (flags & I915_VMA_LOCAL_BIND) {
struct i915_hw_ppgtt *appgtt =
to_i915(vma->vm->dev)->mm.aliasing_ppgtt;
appgtt->base.insert_entries(&appgtt->base,
- vma->ggtt_view.pages,
- vma->node.start,
+ vma->pages, vma->node.start,
cache_level, pte_flags);
}
@@ -2693,42 +2657,36 @@ static int aliasing_gtt_bind_vma(struct i915_vma *vma,
static void ggtt_unbind_vma(struct i915_vma *vma)
{
- struct drm_device *dev = vma->vm->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct drm_i915_gem_object *obj = vma->obj;
- const uint64_t size = min_t(uint64_t,
- obj->base.size,
- vma->node.size);
+ struct i915_hw_ppgtt *appgtt = to_i915(vma->vm->dev)->mm.aliasing_ppgtt;
+ const u64 size = min(vma->size, vma->node.size);
- if (vma->bound & GLOBAL_BIND) {
+ if (vma->flags & I915_VMA_GLOBAL_BIND)
vma->vm->clear_range(vma->vm,
- vma->node.start,
- size,
+ vma->node.start, size,
true);
- }
-
- if (dev_priv->mm.aliasing_ppgtt && vma->bound & LOCAL_BIND) {
- struct i915_hw_ppgtt *appgtt = dev_priv->mm.aliasing_ppgtt;
+ if (vma->flags & I915_VMA_LOCAL_BIND && appgtt)
appgtt->base.clear_range(&appgtt->base,
- vma->node.start,
- size,
+ vma->node.start, size,
true);
- }
}
void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj)
{
- struct drm_device *dev = obj->base.dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- bool interruptible;
+ struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
+ struct device *kdev = &dev_priv->drm.pdev->dev;
+ struct i915_ggtt *ggtt = &dev_priv->ggtt;
- interruptible = do_idling(dev_priv);
+ if (unlikely(ggtt->do_idle_maps)) {
+ if (i915_gem_wait_for_idle(dev_priv, I915_WAIT_LOCKED)) {
+ DRM_ERROR("Failed to wait for idle; VT'd may hang.\n");
+ /* Wait a bit, in hopes it avoids the hang */
+ udelay(10);
+ }
+ }
- dma_unmap_sg(&dev->pdev->dev, obj->pages->sgl, obj->pages->nents,
+ dma_unmap_sg(kdev, obj->pages->sgl, obj->pages->nents,
PCI_DMA_BIDIRECTIONAL);
-
- undo_idling(dev_priv, interruptible);
}
static void i915_gtt_color_adjust(struct drm_mm_node *node,
@@ -2739,19 +2697,14 @@ static void i915_gtt_color_adjust(struct drm_mm_node *node,
if (node->color != color)
*start += 4096;
- if (!list_empty(&node->node_list)) {
- node = list_entry(node->node_list.next,
- struct drm_mm_node,
- node_list);
- if (node->allocated && node->color != color)
- *end -= 4096;
- }
+ node = list_first_entry_or_null(&node->node_list,
+ struct drm_mm_node,
+ node_list);
+ if (node && node->allocated && node->color != color)
+ *end -= 4096;
}
-static int i915_gem_setup_global_gtt(struct drm_device *dev,
- u64 start,
- u64 mappable_end,
- u64 end)
+int i915_gem_init_ggtt(struct drm_i915_private *dev_priv)
{
/* Let GEM Manage all of the aperture.
*
@@ -2762,48 +2715,15 @@ static int i915_gem_setup_global_gtt(struct drm_device *dev,
* aperture. One page should be enough to keep any prefetching inside
* of the aperture.
*/
- struct drm_i915_private *dev_priv = to_i915(dev);
struct i915_ggtt *ggtt = &dev_priv->ggtt;
- struct drm_mm_node *entry;
- struct drm_i915_gem_object *obj;
unsigned long hole_start, hole_end;
+ struct drm_mm_node *entry;
int ret;
- BUG_ON(mappable_end > end);
-
- ggtt->base.start = start;
-
- /* Subtract the guard page before address space initialization to
- * shrink the range used by drm_mm */
- ggtt->base.total = end - start - PAGE_SIZE;
- i915_address_space_init(&ggtt->base, dev_priv);
- ggtt->base.total += PAGE_SIZE;
-
ret = intel_vgt_balloon(dev_priv);
if (ret)
return ret;
- if (!HAS_LLC(dev))
- ggtt->base.mm.color_adjust = i915_gtt_color_adjust;
-
- /* Mark any preallocated objects as occupied */
- list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
- struct i915_vma *vma = i915_gem_obj_to_vma(obj, &ggtt->base);
-
- DRM_DEBUG_KMS("reserving preallocated space: %llx + %zx\n",
- i915_gem_obj_ggtt_offset(obj), obj->base.size);
-
- WARN_ON(i915_gem_obj_ggtt_bound(obj));
- ret = drm_mm_reserve_node(&ggtt->base.mm, &vma->node);
- if (ret) {
- DRM_DEBUG_KMS("Reservation failed: %i\n", ret);
- return ret;
- }
- vma->bound |= GLOBAL_BIND;
- __i915_vma_set_map_and_fenceable(vma);
- list_add_tail(&vma->vm_link, &ggtt->base.inactive_list);
- }
-
/* Clear any non-preallocated blocks */
drm_mm_for_each_hole(entry, &ggtt->base.mm, hole_start, hole_end) {
DRM_DEBUG_KMS("clearing unused GTT space: [%lx, %lx]\n",
@@ -2813,18 +2733,19 @@ static int i915_gem_setup_global_gtt(struct drm_device *dev,
}
/* And finally clear the reserved guard page */
- ggtt->base.clear_range(&ggtt->base, end - PAGE_SIZE, PAGE_SIZE, true);
+ ggtt->base.clear_range(&ggtt->base,
+ ggtt->base.total - PAGE_SIZE, PAGE_SIZE,
+ true);
- if (USES_PPGTT(dev) && !USES_FULL_PPGTT(dev)) {
+ if (USES_PPGTT(dev_priv) && !USES_FULL_PPGTT(dev_priv)) {
struct i915_hw_ppgtt *ppgtt;
ppgtt = kzalloc(sizeof(*ppgtt), GFP_KERNEL);
if (!ppgtt)
return -ENOMEM;
- ret = __hw_ppgtt_init(dev, ppgtt);
+ ret = __hw_ppgtt_init(ppgtt, dev_priv);
if (ret) {
- ppgtt->base.cleanup(&ppgtt->base);
kfree(ppgtt);
return ret;
}
@@ -2852,34 +2773,20 @@ static int i915_gem_setup_global_gtt(struct drm_device *dev,
}
/**
- * i915_gem_init_ggtt - Initialize GEM for Global GTT
- * @dev: DRM device
- */
-void i915_gem_init_ggtt(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
-
- i915_gem_setup_global_gtt(dev, 0, ggtt->mappable_end, ggtt->base.total);
-}
-
-/**
* i915_ggtt_cleanup_hw - Clean up GGTT hardware initialization
- * @dev: DRM device
+ * @dev_priv: i915 device
*/
-void i915_ggtt_cleanup_hw(struct drm_device *dev)
+void i915_ggtt_cleanup_hw(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
struct i915_ggtt *ggtt = &dev_priv->ggtt;
if (dev_priv->mm.aliasing_ppgtt) {
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
-
ppgtt->base.cleanup(&ppgtt->base);
kfree(ppgtt);
}
- i915_gem_cleanup_stolen(dev);
+ i915_gem_cleanup_stolen(&dev_priv->drm);
if (drm_mm_initialized(&ggtt->base.mm)) {
intel_vgt_deballoon(dev_priv);
@@ -2889,6 +2796,9 @@ void i915_ggtt_cleanup_hw(struct drm_device *dev)
}
ggtt->base.cleanup(&ggtt->base);
+
+ arch_phys_wc_del(ggtt->mtrr);
+ io_mapping_fini(&ggtt->mappable);
}
static unsigned int gen6_get_total_gtt_size(u16 snb_gmch_ctl)
@@ -2969,17 +2879,14 @@ static size_t gen9_get_stolen_size(u16 gen9_gmch_ctl)
return (gen9_gmch_ctl - 0xf0 + 1) << 22;
}
-static int ggtt_probe_common(struct drm_device *dev,
- size_t gtt_size)
+static int ggtt_probe_common(struct i915_ggtt *ggtt, u64 size)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
- struct i915_page_scratch *scratch_page;
- phys_addr_t ggtt_phys_addr;
+ struct pci_dev *pdev = ggtt->base.dev->pdev;
+ phys_addr_t phys_addr;
+ int ret;
/* For Modern GENs the PTEs and register space are split in the BAR */
- ggtt_phys_addr = pci_resource_start(dev->pdev, 0) +
- (pci_resource_len(dev->pdev, 0) / 2);
+ phys_addr = pci_resource_start(pdev, 0) + pci_resource_len(pdev, 0) / 2;
/*
* On BXT writes larger than 64 bit to the GTT pagetable range will be
@@ -2988,25 +2895,25 @@ static int ggtt_probe_common(struct drm_device *dev,
* resort to an uncached mapping. The WC issue is easily caught by the
* readback check when writing GTT PTE entries.
*/
- if (IS_BROXTON(dev))
- ggtt->gsm = ioremap_nocache(ggtt_phys_addr, gtt_size);
+ if (IS_BROXTON(ggtt->base.dev))
+ ggtt->gsm = ioremap_nocache(phys_addr, size);
else
- ggtt->gsm = ioremap_wc(ggtt_phys_addr, gtt_size);
+ ggtt->gsm = ioremap_wc(phys_addr, size);
if (!ggtt->gsm) {
- DRM_ERROR("Failed to map the gtt page table\n");
+ DRM_ERROR("Failed to map the ggtt page table\n");
return -ENOMEM;
}
- scratch_page = alloc_scratch_page(dev);
- if (IS_ERR(scratch_page)) {
+ ret = setup_scratch_page(ggtt->base.dev,
+ &ggtt->base.scratch_page,
+ GFP_DMA32);
+ if (ret) {
DRM_ERROR("Scratch setup failed\n");
/* iounmap will also get called at remove, but meh */
iounmap(ggtt->gsm);
- return PTR_ERR(scratch_page);
+ return ret;
}
- ggtt->base.scratch_page = scratch_page;
-
return 0;
}
@@ -3083,42 +2990,49 @@ static void chv_setup_private_ppat(struct drm_i915_private *dev_priv)
I915_WRITE(GEN8_PRIVATE_PAT_HI, pat >> 32);
}
+static void gen6_gmch_remove(struct i915_address_space *vm)
+{
+ struct i915_ggtt *ggtt = i915_vm_to_ggtt(vm);
+
+ iounmap(ggtt->gsm);
+ cleanup_scratch_page(vm->dev, &vm->scratch_page);
+}
+
static int gen8_gmch_probe(struct i915_ggtt *ggtt)
{
- struct drm_device *dev = ggtt->base.dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct drm_i915_private *dev_priv = to_i915(ggtt->base.dev);
+ struct pci_dev *pdev = dev_priv->drm.pdev;
+ unsigned int size;
u16 snb_gmch_ctl;
- int ret;
/* TODO: We're not aware of mappable constraints on gen8 yet */
- ggtt->mappable_base = pci_resource_start(dev->pdev, 2);
- ggtt->mappable_end = pci_resource_len(dev->pdev, 2);
+ ggtt->mappable_base = pci_resource_start(pdev, 2);
+ ggtt->mappable_end = pci_resource_len(pdev, 2);
- if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(39)))
- pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(39));
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(39)))
+ pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(39));
- pci_read_config_word(dev->pdev, SNB_GMCH_CTRL, &snb_gmch_ctl);
+ pci_read_config_word(pdev, SNB_GMCH_CTRL, &snb_gmch_ctl);
- if (INTEL_INFO(dev)->gen >= 9) {
+ if (INTEL_GEN(dev_priv) >= 9) {
ggtt->stolen_size = gen9_get_stolen_size(snb_gmch_ctl);
- ggtt->size = gen8_get_total_gtt_size(snb_gmch_ctl);
- } else if (IS_CHERRYVIEW(dev)) {
+ size = gen8_get_total_gtt_size(snb_gmch_ctl);
+ } else if (IS_CHERRYVIEW(dev_priv)) {
ggtt->stolen_size = chv_get_stolen_size(snb_gmch_ctl);
- ggtt->size = chv_get_total_gtt_size(snb_gmch_ctl);
+ size = chv_get_total_gtt_size(snb_gmch_ctl);
} else {
ggtt->stolen_size = gen8_get_stolen_size(snb_gmch_ctl);
- ggtt->size = gen8_get_total_gtt_size(snb_gmch_ctl);
+ size = gen8_get_total_gtt_size(snb_gmch_ctl);
}
- ggtt->base.total = (ggtt->size / sizeof(gen8_pte_t)) << PAGE_SHIFT;
+ ggtt->base.total = (size / sizeof(gen8_pte_t)) << PAGE_SHIFT;
- if (IS_CHERRYVIEW(dev) || IS_BROXTON(dev))
+ if (IS_CHERRYVIEW(dev_priv) || IS_BROXTON(dev_priv))
chv_setup_private_ppat(dev_priv);
else
bdw_setup_private_ppat(dev_priv);
- ret = ggtt_probe_common(dev, ggtt->size);
-
+ ggtt->base.cleanup = gen6_gmch_remove;
ggtt->base.bind_vma = ggtt_bind_vma;
ggtt->base.unbind_vma = ggtt_unbind_vma;
ggtt->base.insert_page = gen8_ggtt_insert_page;
@@ -3130,57 +3044,65 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt)
if (IS_CHERRYVIEW(dev_priv))
ggtt->base.insert_entries = gen8_ggtt_insert_entries__BKL;
- return ret;
+ return ggtt_probe_common(ggtt, size);
}
static int gen6_gmch_probe(struct i915_ggtt *ggtt)
{
- struct drm_device *dev = ggtt->base.dev;
+ struct drm_i915_private *dev_priv = to_i915(ggtt->base.dev);
+ struct pci_dev *pdev = dev_priv->drm.pdev;
+ unsigned int size;
u16 snb_gmch_ctl;
- int ret;
- ggtt->mappable_base = pci_resource_start(dev->pdev, 2);
- ggtt->mappable_end = pci_resource_len(dev->pdev, 2);
+ ggtt->mappable_base = pci_resource_start(pdev, 2);
+ ggtt->mappable_end = pci_resource_len(pdev, 2);
/* 64/512MB is the current min/max we actually know of, but this is just
* a coarse sanity check.
*/
- if ((ggtt->mappable_end < (64<<20) || (ggtt->mappable_end > (512<<20)))) {
+ if (ggtt->mappable_end < (64<<20) || ggtt->mappable_end > (512<<20)) {
DRM_ERROR("Unknown GMADR size (%llx)\n", ggtt->mappable_end);
return -ENXIO;
}
- if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(40)))
- pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(40));
- pci_read_config_word(dev->pdev, SNB_GMCH_CTRL, &snb_gmch_ctl);
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(40)))
+ pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40));
+ pci_read_config_word(pdev, SNB_GMCH_CTRL, &snb_gmch_ctl);
ggtt->stolen_size = gen6_get_stolen_size(snb_gmch_ctl);
- ggtt->size = gen6_get_total_gtt_size(snb_gmch_ctl);
- ggtt->base.total = (ggtt->size / sizeof(gen6_pte_t)) << PAGE_SHIFT;
- ret = ggtt_probe_common(dev, ggtt->size);
+ size = gen6_get_total_gtt_size(snb_gmch_ctl);
+ ggtt->base.total = (size / sizeof(gen6_pte_t)) << PAGE_SHIFT;
ggtt->base.clear_range = gen6_ggtt_clear_range;
ggtt->base.insert_page = gen6_ggtt_insert_page;
ggtt->base.insert_entries = gen6_ggtt_insert_entries;
ggtt->base.bind_vma = ggtt_bind_vma;
ggtt->base.unbind_vma = ggtt_unbind_vma;
+ ggtt->base.cleanup = gen6_gmch_remove;
+
+ if (HAS_EDRAM(dev_priv))
+ ggtt->base.pte_encode = iris_pte_encode;
+ else if (IS_HASWELL(dev_priv))
+ ggtt->base.pte_encode = hsw_pte_encode;
+ else if (IS_VALLEYVIEW(dev_priv))
+ ggtt->base.pte_encode = byt_pte_encode;
+ else if (INTEL_GEN(dev_priv) >= 7)
+ ggtt->base.pte_encode = ivb_pte_encode;
+ else
+ ggtt->base.pte_encode = snb_pte_encode;
- return ret;
+ return ggtt_probe_common(ggtt, size);
}
-static void gen6_gmch_remove(struct i915_address_space *vm)
+static void i915_gmch_remove(struct i915_address_space *vm)
{
- struct i915_ggtt *ggtt = container_of(vm, struct i915_ggtt, base);
-
- iounmap(ggtt->gsm);
- free_scratch_page(vm->dev, vm->scratch_page);
+ intel_gmch_remove();
}
static int i915_gmch_probe(struct i915_ggtt *ggtt)
{
- struct drm_device *dev = ggtt->base.dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct drm_i915_private *dev_priv = to_i915(ggtt->base.dev);
int ret;
ret = intel_gmch_probe(dev_priv->bridge_dev, dev_priv->drm.pdev, NULL);
@@ -3192,12 +3114,13 @@ static int i915_gmch_probe(struct i915_ggtt *ggtt)
intel_gtt_get(&ggtt->base.total, &ggtt->stolen_size,
&ggtt->mappable_base, &ggtt->mappable_end);
- ggtt->do_idle_maps = needs_idle_maps(&dev_priv->drm);
+ ggtt->do_idle_maps = needs_idle_maps(dev_priv);
ggtt->base.insert_page = i915_ggtt_insert_page;
ggtt->base.insert_entries = i915_ggtt_insert_entries;
ggtt->base.clear_range = i915_ggtt_clear_range;
ggtt->base.bind_vma = ggtt_bind_vma;
ggtt->base.unbind_vma = ggtt_unbind_vma;
+ ggtt->base.cleanup = i915_gmch_remove;
if (unlikely(ggtt->do_idle_maps))
DRM_INFO("applying Ironlake quirks for intel_iommu\n");
@@ -3205,65 +3128,40 @@ static int i915_gmch_probe(struct i915_ggtt *ggtt)
return 0;
}
-static void i915_gmch_remove(struct i915_address_space *vm)
-{
- intel_gmch_remove();
-}
-
/**
- * i915_ggtt_init_hw - Initialize GGTT hardware
- * @dev: DRM device
+ * i915_ggtt_probe_hw - Probe GGTT hardware location
+ * @dev_priv: i915 device
*/
-int i915_ggtt_init_hw(struct drm_device *dev)
+int i915_ggtt_probe_hw(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
struct i915_ggtt *ggtt = &dev_priv->ggtt;
int ret;
- if (INTEL_INFO(dev)->gen <= 5) {
- ggtt->probe = i915_gmch_probe;
- ggtt->base.cleanup = i915_gmch_remove;
- } else if (INTEL_INFO(dev)->gen < 8) {
- ggtt->probe = gen6_gmch_probe;
- ggtt->base.cleanup = gen6_gmch_remove;
-
- if (HAS_EDRAM(dev))
- ggtt->base.pte_encode = iris_pte_encode;
- else if (IS_HASWELL(dev))
- ggtt->base.pte_encode = hsw_pte_encode;
- else if (IS_VALLEYVIEW(dev))
- ggtt->base.pte_encode = byt_pte_encode;
- else if (INTEL_INFO(dev)->gen >= 7)
- ggtt->base.pte_encode = ivb_pte_encode;
- else
- ggtt->base.pte_encode = snb_pte_encode;
- } else {
- ggtt->probe = gen8_gmch_probe;
- ggtt->base.cleanup = gen6_gmch_remove;
- }
-
- ggtt->base.dev = dev;
- ggtt->base.is_ggtt = true;
+ ggtt->base.dev = &dev_priv->drm;
- ret = ggtt->probe(ggtt);
+ if (INTEL_GEN(dev_priv) <= 5)
+ ret = i915_gmch_probe(ggtt);
+ else if (INTEL_GEN(dev_priv) < 8)
+ ret = gen6_gmch_probe(ggtt);
+ else
+ ret = gen8_gmch_probe(ggtt);
if (ret)
return ret;
if ((ggtt->base.total - 1) >> 32) {
DRM_ERROR("We never expected a Global GTT with more than 32bits"
- "of address space! Found %lldM!\n",
+ " of address space! Found %lldM!\n",
ggtt->base.total >> 20);
ggtt->base.total = 1ULL << 32;
ggtt->mappable_end = min(ggtt->mappable_end, ggtt->base.total);
}
- /*
- * Initialise stolen early so that we may reserve preallocated
- * objects for the BIOS to KMS transition.
- */
- ret = i915_gem_init_stolen(dev);
- if (ret)
- goto out_gtt_cleanup;
+ if (ggtt->mappable_end > ggtt->base.total) {
+ DRM_ERROR("mappable aperture extends past end of GGTT,"
+ " aperture=%llx, total=%llx\n",
+ ggtt->mappable_end, ggtt->base.total);
+ ggtt->mappable_end = ggtt->base.total;
+ }
/* GMADR is the PCI mmio aperture into the global GTT. */
DRM_INFO("Memory usable by graphics device = %lluM\n",
@@ -3276,16 +3174,55 @@ int i915_ggtt_init_hw(struct drm_device *dev)
#endif
return 0;
+}
+
+/**
+ * i915_ggtt_init_hw - Initialize GGTT hardware
+ * @dev_priv: i915 device
+ */
+int i915_ggtt_init_hw(struct drm_i915_private *dev_priv)
+{
+ struct i915_ggtt *ggtt = &dev_priv->ggtt;
+ int ret;
+
+ INIT_LIST_HEAD(&dev_priv->vm_list);
+
+ /* Subtract the guard page before address space initialization to
+ * shrink the range used by drm_mm.
+ */
+ ggtt->base.total -= PAGE_SIZE;
+ i915_address_space_init(&ggtt->base, dev_priv);
+ ggtt->base.total += PAGE_SIZE;
+ if (!HAS_LLC(dev_priv))
+ ggtt->base.mm.color_adjust = i915_gtt_color_adjust;
+
+ if (!io_mapping_init_wc(&dev_priv->ggtt.mappable,
+ dev_priv->ggtt.mappable_base,
+ dev_priv->ggtt.mappable_end)) {
+ ret = -EIO;
+ goto out_gtt_cleanup;
+ }
+
+ ggtt->mtrr = arch_phys_wc_add(ggtt->mappable_base, ggtt->mappable_end);
+
+ /*
+ * Initialise stolen early so that we may reserve preallocated
+ * objects for the BIOS to KMS transition.
+ */
+ ret = i915_gem_init_stolen(&dev_priv->drm);
+ if (ret)
+ goto out_gtt_cleanup;
+
+ return 0;
out_gtt_cleanup:
ggtt->base.cleanup(&ggtt->base);
-
return ret;
}
-int i915_ggtt_enable_hw(struct drm_device *dev)
+int i915_ggtt_enable_hw(struct drm_i915_private *dev_priv)
{
- if (INTEL_INFO(dev)->gen < 6 && !intel_enable_gtt())
+ if (INTEL_GEN(dev_priv) < 6 && !intel_enable_gtt())
return -EIO;
return 0;
@@ -3295,8 +3232,7 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
struct i915_ggtt *ggtt = &dev_priv->ggtt;
- struct drm_i915_gem_object *obj;
- struct i915_vma *vma;
+ struct drm_i915_gem_object *obj, *on;
i915_check_and_clear_faults(dev_priv);
@@ -3304,20 +3240,32 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
ggtt->base.clear_range(&ggtt->base, ggtt->base.start, ggtt->base.total,
true);
- /* Cache flush objects bound into GGTT and rebind them. */
- list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
+ ggtt->base.closed = true; /* skip rewriting PTE on VMA unbind */
+
+ /* clflush objects bound into the GGTT and rebind them. */
+ list_for_each_entry_safe(obj, on,
+ &dev_priv->mm.bound_list, global_list) {
+ bool ggtt_bound = false;
+ struct i915_vma *vma;
+
list_for_each_entry(vma, &obj->vma_list, obj_link) {
if (vma->vm != &ggtt->base)
continue;
+ if (!i915_vma_unbind(vma))
+ continue;
+
WARN_ON(i915_vma_bind(vma, obj->cache_level,
PIN_UPDATE));
+ ggtt_bound = true;
}
- if (obj->pin_display)
+ if (ggtt_bound)
WARN_ON(i915_gem_object_set_to_gtt_domain(obj, false));
}
+ ggtt->base.closed = false;
+
if (INTEL_INFO(dev)->gen >= 8) {
if (IS_CHERRYVIEW(dev) || IS_BROXTON(dev))
chv_setup_private_ppat(dev_priv);
@@ -3335,7 +3283,7 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
struct i915_hw_ppgtt *ppgtt;
- if (vm->is_ggtt)
+ if (i915_is_ggtt(vm))
ppgtt = dev_priv->mm.aliasing_ppgtt;
else
ppgtt = i915_vm_to_ppgtt(vm);
@@ -3348,65 +3296,155 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev)
i915_ggtt_flush(dev_priv);
}
+static void
+i915_vma_retire(struct i915_gem_active *active,
+ struct drm_i915_gem_request *rq)
+{
+ const unsigned int idx = rq->engine->id;
+ struct i915_vma *vma =
+ container_of(active, struct i915_vma, last_read[idx]);
+
+ GEM_BUG_ON(!i915_vma_has_active_engine(vma, idx));
+
+ i915_vma_clear_active(vma, idx);
+ if (i915_vma_is_active(vma))
+ return;
+
+ list_move_tail(&vma->vm_link, &vma->vm->inactive_list);
+ if (unlikely(i915_vma_is_closed(vma) && !i915_vma_is_pinned(vma)))
+ WARN_ON(i915_vma_unbind(vma));
+}
+
+void i915_vma_destroy(struct i915_vma *vma)
+{
+ GEM_BUG_ON(vma->node.allocated);
+ GEM_BUG_ON(i915_vma_is_active(vma));
+ GEM_BUG_ON(!i915_vma_is_closed(vma));
+ GEM_BUG_ON(vma->fence);
+
+ list_del(&vma->vm_link);
+ if (!i915_vma_is_ggtt(vma))
+ i915_ppgtt_put(i915_vm_to_ppgtt(vma->vm));
+
+ kmem_cache_free(to_i915(vma->obj->base.dev)->vmas, vma);
+}
+
+void i915_vma_close(struct i915_vma *vma)
+{
+ GEM_BUG_ON(i915_vma_is_closed(vma));
+ vma->flags |= I915_VMA_CLOSED;
+
+ list_del_init(&vma->obj_link);
+ if (!i915_vma_is_active(vma) && !i915_vma_is_pinned(vma))
+ WARN_ON(i915_vma_unbind(vma));
+}
+
static struct i915_vma *
-__i915_gem_vma_create(struct drm_i915_gem_object *obj,
- struct i915_address_space *vm,
- const struct i915_ggtt_view *ggtt_view)
+__i915_vma_create(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
+ const struct i915_ggtt_view *view)
{
struct i915_vma *vma;
+ int i;
- if (WARN_ON(i915_is_ggtt(vm) != !!ggtt_view))
- return ERR_PTR(-EINVAL);
+ GEM_BUG_ON(vm->closed);
vma = kmem_cache_zalloc(to_i915(obj->base.dev)->vmas, GFP_KERNEL);
if (vma == NULL)
return ERR_PTR(-ENOMEM);
- INIT_LIST_HEAD(&vma->vm_link);
- INIT_LIST_HEAD(&vma->obj_link);
INIT_LIST_HEAD(&vma->exec_list);
+ for (i = 0; i < ARRAY_SIZE(vma->last_read); i++)
+ init_request_active(&vma->last_read[i], i915_vma_retire);
+ init_request_active(&vma->last_fence, NULL);
+ list_add(&vma->vm_link, &vm->unbound_list);
vma->vm = vm;
vma->obj = obj;
- vma->is_ggtt = i915_is_ggtt(vm);
+ vma->size = obj->base.size;
+
+ if (view) {
+ vma->ggtt_view = *view;
+ if (view->type == I915_GGTT_VIEW_PARTIAL) {
+ vma->size = view->params.partial.size;
+ vma->size <<= PAGE_SHIFT;
+ } else if (view->type == I915_GGTT_VIEW_ROTATED) {
+ vma->size =
+ intel_rotation_info_size(&view->params.rotated);
+ vma->size <<= PAGE_SHIFT;
+ }
+ }
- if (i915_is_ggtt(vm))
- vma->ggtt_view = *ggtt_view;
- else
+ if (i915_is_ggtt(vm)) {
+ vma->flags |= I915_VMA_GGTT;
+ } else {
i915_ppgtt_get(i915_vm_to_ppgtt(vm));
+ }
list_add_tail(&vma->obj_link, &obj->vma_list);
-
return vma;
}
+static inline bool vma_matches(struct i915_vma *vma,
+ struct i915_address_space *vm,
+ const struct i915_ggtt_view *view)
+{
+ if (vma->vm != vm)
+ return false;
+
+ if (!i915_vma_is_ggtt(vma))
+ return true;
+
+ if (!view)
+ return vma->ggtt_view.type == 0;
+
+ if (vma->ggtt_view.type != view->type)
+ return false;
+
+ return memcmp(&vma->ggtt_view.params,
+ &view->params,
+ sizeof(view->params)) == 0;
+}
+
struct i915_vma *
-i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
- struct i915_address_space *vm)
+i915_vma_create(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
+ const struct i915_ggtt_view *view)
+{
+ GEM_BUG_ON(view && !i915_is_ggtt(vm));
+ GEM_BUG_ON(i915_gem_obj_to_vma(obj, vm, view));
+
+ return __i915_vma_create(obj, vm, view);
+}
+
+struct i915_vma *
+i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
+ const struct i915_ggtt_view *view)
{
struct i915_vma *vma;
- vma = i915_gem_obj_to_vma(obj, vm);
- if (!vma)
- vma = __i915_gem_vma_create(obj, vm,
- i915_is_ggtt(vm) ? &i915_ggtt_view_normal : NULL);
+ list_for_each_entry_reverse(vma, &obj->vma_list, obj_link)
+ if (vma_matches(vma, vm, view))
+ return vma;
- return vma;
+ return NULL;
}
struct i915_vma *
-i915_gem_obj_lookup_or_create_ggtt_vma(struct drm_i915_gem_object *obj,
- const struct i915_ggtt_view *view)
+i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
+ const struct i915_ggtt_view *view)
{
- struct drm_device *dev = obj->base.dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
- struct i915_vma *vma = i915_gem_obj_to_ggtt_view(obj, view);
+ struct i915_vma *vma;
+
+ GEM_BUG_ON(view && !i915_is_ggtt(vm));
+ vma = i915_gem_obj_to_vma(obj, vm, view);
if (!vma)
- vma = __i915_gem_vma_create(obj, &ggtt->base, view);
+ vma = __i915_vma_create(obj, vm, view);
+ GEM_BUG_ON(i915_vma_is_closed(vma));
return vma;
-
}
static struct scatterlist *
@@ -3438,18 +3476,16 @@ rotate_pages(const dma_addr_t *in, unsigned int offset,
}
static struct sg_table *
-intel_rotate_fb_obj_pages(struct intel_rotation_info *rot_info,
+intel_rotate_fb_obj_pages(const struct intel_rotation_info *rot_info,
struct drm_i915_gem_object *obj)
{
const size_t n_pages = obj->base.size / PAGE_SIZE;
- unsigned int size_pages = rot_info->plane[0].width * rot_info->plane[0].height;
- unsigned int size_pages_uv;
+ unsigned int size = intel_rotation_info_size(rot_info);
struct sgt_iter sgt_iter;
dma_addr_t dma_addr;
unsigned long i;
dma_addr_t *page_addr_list;
struct sg_table *st;
- unsigned int uv_start_page;
struct scatterlist *sg;
int ret = -ENOMEM;
@@ -3460,18 +3496,12 @@ intel_rotate_fb_obj_pages(struct intel_rotation_info *rot_info,
if (!page_addr_list)
return ERR_PTR(ret);
- /* Account for UV plane with NV12. */
- if (rot_info->pixel_format == DRM_FORMAT_NV12)
- size_pages_uv = rot_info->plane[1].width * rot_info->plane[1].height;
- else
- size_pages_uv = 0;
-
/* Allocate target SG list. */
st = kmalloc(sizeof(*st), GFP_KERNEL);
if (!st)
goto err_st_alloc;
- ret = sg_alloc_table(st, size_pages + size_pages_uv, GFP_KERNEL);
+ ret = sg_alloc_table(st, size, GFP_KERNEL);
if (ret)
goto err_sg_alloc;
@@ -3484,32 +3514,14 @@ intel_rotate_fb_obj_pages(struct intel_rotation_info *rot_info,
st->nents = 0;
sg = st->sgl;
- /* Rotate the pages. */
- sg = rotate_pages(page_addr_list, 0,
- rot_info->plane[0].width, rot_info->plane[0].height,
- rot_info->plane[0].width,
- st, sg);
-
- /* Append the UV plane if NV12. */
- if (rot_info->pixel_format == DRM_FORMAT_NV12) {
- uv_start_page = size_pages;
-
- /* Check for tile-row un-alignment. */
- if (offset_in_page(rot_info->uv_offset))
- uv_start_page--;
-
- rot_info->uv_start_page = uv_start_page;
-
- sg = rotate_pages(page_addr_list, rot_info->uv_start_page,
- rot_info->plane[1].width, rot_info->plane[1].height,
- rot_info->plane[1].width,
- st, sg);
+ for (i = 0 ; i < ARRAY_SIZE(rot_info->plane); i++) {
+ sg = rotate_pages(page_addr_list, rot_info->plane[i].offset,
+ rot_info->plane[i].width, rot_info->plane[i].height,
+ rot_info->plane[i].stride, st, sg);
}
- DRM_DEBUG_KMS("Created rotated page mapping for object size %zu (%ux%u tiles, %u pages (%u plane 0)).\n",
- obj->base.size, rot_info->plane[0].width,
- rot_info->plane[0].height, size_pages + size_pages_uv,
- size_pages);
+ DRM_DEBUG_KMS("Created rotated page mapping for object size %zu (%ux%u tiles, %u pages)\n",
+ obj->base.size, rot_info->plane[0].width, rot_info->plane[0].height, size);
drm_free_large(page_addr_list);
@@ -3520,10 +3532,9 @@ err_sg_alloc:
err_st_alloc:
drm_free_large(page_addr_list);
- DRM_DEBUG_KMS("Failed to create rotated mapping for object size %zu! (%d) (%ux%u tiles, %u pages (%u plane 0))\n",
- obj->base.size, ret, rot_info->plane[0].width,
- rot_info->plane[0].height, size_pages + size_pages_uv,
- size_pages);
+ DRM_DEBUG_KMS("Failed to create rotated mapping for object size %zu! (%ux%u tiles, %u pages)\n",
+ obj->base.size, rot_info->plane[0].width, rot_info->plane[0].height, size);
+
return ERR_PTR(ret);
}
@@ -3573,28 +3584,27 @@ i915_get_ggtt_vma_pages(struct i915_vma *vma)
{
int ret = 0;
- if (vma->ggtt_view.pages)
+ if (vma->pages)
return 0;
if (vma->ggtt_view.type == I915_GGTT_VIEW_NORMAL)
- vma->ggtt_view.pages = vma->obj->pages;
+ vma->pages = vma->obj->pages;
else if (vma->ggtt_view.type == I915_GGTT_VIEW_ROTATED)
- vma->ggtt_view.pages =
+ vma->pages =
intel_rotate_fb_obj_pages(&vma->ggtt_view.params.rotated, vma->obj);
else if (vma->ggtt_view.type == I915_GGTT_VIEW_PARTIAL)
- vma->ggtt_view.pages =
- intel_partial_pages(&vma->ggtt_view, vma->obj);
+ vma->pages = intel_partial_pages(&vma->ggtt_view, vma->obj);
else
WARN_ONCE(1, "GGTT view %u not implemented!\n",
vma->ggtt_view.type);
- if (!vma->ggtt_view.pages) {
+ if (!vma->pages) {
DRM_ERROR("Failed to get pages for GGTT view type %u!\n",
vma->ggtt_view.type);
ret = -EINVAL;
- } else if (IS_ERR(vma->ggtt_view.pages)) {
- ret = PTR_ERR(vma->ggtt_view.pages);
- vma->ggtt_view.pages = NULL;
+ } else if (IS_ERR(vma->pages)) {
+ ret = PTR_ERR(vma->pages);
+ vma->pages = NULL;
DRM_ERROR("Failed to get pages for VMA view type %u (%d)!\n",
vma->ggtt_view.type, ret);
}
@@ -3615,34 +3625,32 @@ i915_get_ggtt_vma_pages(struct i915_vma *vma)
int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level,
u32 flags)
{
- int ret;
u32 bind_flags;
+ u32 vma_flags;
+ int ret;
if (WARN_ON(flags == 0))
return -EINVAL;
bind_flags = 0;
if (flags & PIN_GLOBAL)
- bind_flags |= GLOBAL_BIND;
+ bind_flags |= I915_VMA_GLOBAL_BIND;
if (flags & PIN_USER)
- bind_flags |= LOCAL_BIND;
+ bind_flags |= I915_VMA_LOCAL_BIND;
+ vma_flags = vma->flags & (I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND);
if (flags & PIN_UPDATE)
- bind_flags |= vma->bound;
+ bind_flags |= vma_flags;
else
- bind_flags &= ~vma->bound;
-
+ bind_flags &= ~vma_flags;
if (bind_flags == 0)
return 0;
- if (vma->bound == 0 && vma->vm->allocate_va_range) {
- /* XXX: i915_vma_pin() will fix this +- hack */
- vma->pin_count++;
+ if (vma_flags == 0 && vma->vm->allocate_va_range) {
trace_i915_va_alloc(vma);
ret = vma->vm->allocate_va_range(vma->vm,
vma->node.start,
vma->node.size);
- vma->pin_count--;
if (ret)
return ret;
}
@@ -3651,56 +3659,47 @@ int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level,
if (ret)
return ret;
- vma->bound |= bind_flags;
-
+ vma->flags |= bind_flags;
return 0;
}
-/**
- * i915_ggtt_view_size - Get the size of a GGTT view.
- * @obj: Object the view is of.
- * @view: The view in question.
- *
- * @return The size of the GGTT view in bytes.
- */
-size_t
-i915_ggtt_view_size(struct drm_i915_gem_object *obj,
- const struct i915_ggtt_view *view)
-{
- if (view->type == I915_GGTT_VIEW_NORMAL) {
- return obj->base.size;
- } else if (view->type == I915_GGTT_VIEW_ROTATED) {
- return intel_rotation_info_size(&view->params.rotated) << PAGE_SHIFT;
- } else if (view->type == I915_GGTT_VIEW_PARTIAL) {
- return view->params.partial.size << PAGE_SHIFT;
- } else {
- WARN_ONCE(1, "GGTT view %u not implemented!\n", view->type);
- return obj->base.size;
- }
-}
-
void __iomem *i915_vma_pin_iomap(struct i915_vma *vma)
{
void __iomem *ptr;
+ /* Access through the GTT requires the device to be awake. */
+ assert_rpm_wakelock_held(to_i915(vma->vm->dev));
+
lockdep_assert_held(&vma->vm->dev->struct_mutex);
- if (WARN_ON(!vma->obj->map_and_fenceable))
- return ERR_PTR(-ENODEV);
+ if (WARN_ON(!i915_vma_is_map_and_fenceable(vma)))
+ return IO_ERR_PTR(-ENODEV);
- GEM_BUG_ON(!vma->is_ggtt);
- GEM_BUG_ON((vma->bound & GLOBAL_BIND) == 0);
+ GEM_BUG_ON(!i915_vma_is_ggtt(vma));
+ GEM_BUG_ON((vma->flags & I915_VMA_GLOBAL_BIND) == 0);
ptr = vma->iomap;
if (ptr == NULL) {
- ptr = io_mapping_map_wc(i915_vm_to_ggtt(vma->vm)->mappable,
+ ptr = io_mapping_map_wc(&i915_vm_to_ggtt(vma->vm)->mappable,
vma->node.start,
vma->node.size);
if (ptr == NULL)
- return ERR_PTR(-ENOMEM);
+ return IO_ERR_PTR(-ENOMEM);
vma->iomap = ptr;
}
- vma->pin_count++;
+ __i915_vma_pin(vma);
return ptr;
}
+
+void i915_vma_unpin_and_release(struct i915_vma **p_vma)
+{
+ struct i915_vma *vma;
+
+ vma = fetch_and_zero(p_vma);
+ if (!vma)
+ return;
+
+ i915_vma_unpin(vma);
+ i915_vma_put(vma);
+}
generated by cgit (git 2.34.1) at 2024-06-17 20:37:11 +0000