drm/i915: Remove debugfs/i915_ppgtt_info

The information presented here is not relevant to current development.
We can either use the context information, but more often we want to
inspect the active gpu state.

The ulterior motive is to eradicate dev->filelist.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181227121549.29139-1-chris@chris-wilson.co.uk

1 files changed, 0 insertions, 134 deletions

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 4ed2f3e61347..d4c5973ea33d 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -1488,84 +1488,6 @@ 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;
@@ -1670,7 +1592,6 @@ 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;
@@ -1686,60 +1607,6 @@ 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,
@@ -2136,7 +2003,6 @@ 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;