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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.c166
1 files changed, 19 insertions, 147 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index add1fe7aeb93..a8807fbed0aa 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -33,7 +33,6 @@
#include <asm/set_memory.h>
-#include <drm/drmP.h>
#include <drm/i915_drm.h>
#include "i915_drv.h"
@@ -483,7 +482,7 @@ static void i915_address_space_init(struct i915_address_space *vm,
* attempt holding the lock is immediately reported by lockdep.
*/
mutex_init(&vm->mutex);
- i915_gem_shrinker_taints_mutex(&vm->mutex);
+ i915_gem_shrinker_taints_mutex(vm->i915, &vm->mutex);
GEM_BUG_ON(!vm->total);
drm_mm_init(&vm->mm, 0, vm->total);
@@ -1423,8 +1422,6 @@ static int gen8_ppgtt_alloc_pdp(struct i915_address_space *vm,
gen8_initialize_pd(vm, pd);
gen8_ppgtt_set_pdpe(vm, pdp, pd, pdpe);
GEM_BUG_ON(pdp->used_pdpes > i915_pdpes_per_pdp(vm));
-
- mark_tlbs_dirty(i915_vm_to_ppgtt(vm));
}
ret = gen8_ppgtt_alloc_pd(vm, pd, start, length);
@@ -1490,84 +1487,6 @@ unwind:
return -ENOMEM;
}
-static void gen8_dump_pdp(struct i915_hw_ppgtt *ppgtt,
- struct i915_page_directory_pointer *pdp,
- u64 start, u64 length,
- gen8_pte_t scratch_pte,
- struct seq_file *m)
-{
- struct i915_address_space *vm = &ppgtt->vm;
- struct i915_page_directory *pd;
- u32 pdpe;
-
- gen8_for_each_pdpe(pd, pdp, start, length, pdpe) {
- struct i915_page_table *pt;
- u64 pd_len = length;
- u64 pd_start = start;
- u32 pde;
-
- if (pdp->page_directory[pdpe] == ppgtt->vm.scratch_pd)
- continue;
-
- seq_printf(m, "\tPDPE #%d\n", pdpe);
- gen8_for_each_pde(pt, pd, pd_start, pd_len, pde) {
- u32 pte;
- gen8_pte_t *pt_vaddr;
-
- if (pd->page_table[pde] == ppgtt->vm.scratch_pt)
- continue;
-
- pt_vaddr = kmap_atomic_px(pt);
- for (pte = 0; pte < GEN8_PTES; pte += 4) {
- u64 va = (pdpe << GEN8_PDPE_SHIFT |
- pde << GEN8_PDE_SHIFT |
- pte << GEN8_PTE_SHIFT);
- int i;
- bool found = false;
-
- for (i = 0; i < 4; i++)
- if (pt_vaddr[pte + i] != scratch_pte)
- found = true;
- if (!found)
- continue;
-
- seq_printf(m, "\t\t0x%llx [%03d,%03d,%04d]: =", va, pdpe, pde, pte);
- for (i = 0; i < 4; i++) {
- if (pt_vaddr[pte + i] != scratch_pte)
- seq_printf(m, " %llx", pt_vaddr[pte + i]);
- else
- seq_puts(m, " SCRATCH ");
- }
- seq_puts(m, "\n");
- }
- kunmap_atomic(pt_vaddr);
- }
- }
-}
-
-static void gen8_dump_ppgtt(struct i915_hw_ppgtt *ppgtt, struct seq_file *m)
-{
- struct i915_address_space *vm = &ppgtt->vm;
- const gen8_pte_t scratch_pte = vm->scratch_pte;
- u64 start = 0, length = ppgtt->vm.total;
-
- if (use_4lvl(vm)) {
- u64 pml4e;
- struct i915_pml4 *pml4 = &ppgtt->pml4;
- struct i915_page_directory_pointer *pdp;
-
- gen8_for_each_pml4e(pdp, pml4, start, length, pml4e) {
- if (pml4->pdps[pml4e] == ppgtt->vm.scratch_pdp)
- continue;
-
- seq_printf(m, " PML4E #%llu\n", pml4e);
- gen8_dump_pdp(ppgtt, pdp, start, length, scratch_pte, m);
- }
- } else {
- gen8_dump_pdp(ppgtt, &ppgtt->pdp, start, length, scratch_pte, m);
- }
-}
-
static int gen8_preallocate_top_level_pdp(struct i915_hw_ppgtt *ppgtt)
{
struct i915_address_space *vm = &ppgtt->vm;
@@ -1672,7 +1591,6 @@ static struct i915_hw_ppgtt *gen8_ppgtt_create(struct drm_i915_private *i915)
gen8_ppgtt_notify_vgt(ppgtt, true);
ppgtt->vm.cleanup = gen8_ppgtt_cleanup;
- ppgtt->debug_dump = gen8_dump_ppgtt;
ppgtt->vm.vma_ops.bind_vma = ppgtt_bind_vma;
ppgtt->vm.vma_ops.unbind_vma = ppgtt_unbind_vma;
@@ -1688,60 +1606,6 @@ err_free:
return ERR_PTR(err);
}
-static void gen6_dump_ppgtt(struct i915_hw_ppgtt *base, struct seq_file *m)
-{
- struct gen6_hw_ppgtt *ppgtt = to_gen6_ppgtt(base);
- const gen6_pte_t scratch_pte = base->vm.scratch_pte;
- struct i915_page_table *pt;
- u32 pte, pde;
-
- gen6_for_all_pdes(pt, &base->pd, pde) {
- gen6_pte_t *vaddr;
-
- if (pt == base->vm.scratch_pt)
- continue;
-
- if (i915_vma_is_bound(ppgtt->vma, I915_VMA_GLOBAL_BIND)) {
- u32 expected =
- GEN6_PDE_ADDR_ENCODE(px_dma(pt)) |
- GEN6_PDE_VALID;
- u32 pd_entry = readl(ppgtt->pd_addr + pde);
-
- if (pd_entry != expected)
- seq_printf(m,
- "\tPDE #%d mismatch: Actual PDE: %x Expected PDE: %x\n",
- pde,
- pd_entry,
- expected);
-
- seq_printf(m, "\tPDE: %x\n", pd_entry);
- }
-
- vaddr = kmap_atomic_px(base->pd.page_table[pde]);
- for (pte = 0; pte < GEN6_PTES; pte += 4) {
- int i;
-
- for (i = 0; i < 4; i++)
- if (vaddr[pte + i] != scratch_pte)
- break;
- if (i == 4)
- continue;
-
- seq_printf(m, "\t\t(%03d, %04d) %08llx: ",
- pde, pte,
- (pde * GEN6_PTES + pte) * I915_GTT_PAGE_SIZE);
- for (i = 0; i < 4; i++) {
- if (vaddr[pte + i] != scratch_pte)
- seq_printf(m, " %08x", vaddr[pte + i]);
- else
- seq_puts(m, " SCRATCH");
- }
- seq_puts(m, "\n");
- }
- kunmap_atomic(vaddr);
- }
-}
-
/* Write pde (index) from the page directory @pd to the page table @pt */
static inline void gen6_write_pde(const struct gen6_hw_ppgtt *ppgtt,
const unsigned int pde,
@@ -2075,6 +1939,7 @@ static struct i915_vma *pd_vma_create(struct gen6_hw_ppgtt *ppgtt, int size)
int gen6_ppgtt_pin(struct i915_hw_ppgtt *base)
{
struct gen6_hw_ppgtt *ppgtt = to_gen6_ppgtt(base);
+ int err;
/*
* Workaround the limited maximum vma->pin_count and the aliasing_ppgtt
@@ -2090,9 +1955,17 @@ int gen6_ppgtt_pin(struct i915_hw_ppgtt *base)
* allocator works in address space sizes, so it's multiplied by page
* size. We allocate at the top of the GTT to avoid fragmentation.
*/
- return i915_vma_pin(ppgtt->vma,
- 0, GEN6_PD_ALIGN,
- PIN_GLOBAL | PIN_HIGH);
+ err = i915_vma_pin(ppgtt->vma,
+ 0, GEN6_PD_ALIGN,
+ PIN_GLOBAL | PIN_HIGH);
+ if (err)
+ goto unpin;
+
+ return 0;
+
+unpin:
+ ppgtt->pin_count = 0;
+ return err;
}
void gen6_ppgtt_unpin(struct i915_hw_ppgtt *base)
@@ -2129,7 +2002,6 @@ static struct i915_hw_ppgtt *gen6_ppgtt_create(struct drm_i915_private *i915)
ppgtt->base.vm.clear_range = gen6_ppgtt_clear_range;
ppgtt->base.vm.insert_entries = gen6_ppgtt_insert_entries;
ppgtt->base.vm.cleanup = gen6_ppgtt_cleanup;
- ppgtt->base.debug_dump = gen6_dump_ppgtt;
ppgtt->base.vm.vma_ops.bind_vma = ppgtt_bind_vma;
ppgtt->base.vm.vma_ops.unbind_vma = ppgtt_unbind_vma;
@@ -2195,9 +2067,9 @@ int i915_ppgtt_init_hw(struct drm_i915_private *dev_priv)
{
gtt_write_workarounds(dev_priv);
- if (IS_GEN6(dev_priv))
+ if (IS_GEN(dev_priv, 6))
gen6_ppgtt_enable(dev_priv);
- else if (IS_GEN7(dev_priv))
+ else if (IS_GEN(dev_priv, 7))
gen7_ppgtt_enable(dev_priv);
return 0;
@@ -2279,7 +2151,7 @@ static bool needs_idle_maps(struct drm_i915_private *dev_priv)
/* Query intel_iommu to see if we need the workaround. Presumably that
* was loaded first.
*/
- return IS_GEN5(dev_priv) && IS_MOBILE(dev_priv) && intel_vtd_active();
+ return IS_GEN(dev_priv, 5) && IS_MOBILE(dev_priv) && intel_vtd_active();
}
static void gen6_check_faults(struct drm_i915_private *dev_priv)
@@ -2372,7 +2244,8 @@ int i915_gem_gtt_prepare_pages(struct drm_i915_gem_object *obj,
DMA_ATTR_NO_WARN))
return 0;
- /* If the DMA remap fails, one cause can be that we have
+ /*
+ * If the DMA remap fails, one cause can be that we have
* too many objects pinned in a small remapping table,
* such as swiotlb. Incrementally purge all other objects and
* try again - if there are no more pages to remove from
@@ -2382,8 +2255,7 @@ int i915_gem_gtt_prepare_pages(struct drm_i915_gem_object *obj,
} while (i915_gem_shrink(to_i915(obj->base.dev),
obj->base.size >> PAGE_SHIFT, NULL,
I915_SHRINK_BOUND |
- I915_SHRINK_UNBOUND |
- I915_SHRINK_ACTIVE));
+ I915_SHRINK_UNBOUND));
return -ENOSPC;
}