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drm/i915/gtt: Rename unmap_and_free_px to free_px 

All the paging structures are now similar and mapped for
dma. The unmapping is taken care of by common accessors, so
don't overload the reader with such details.

v2: Be consistent with goto labels (Michel)

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Mika Kuoppala 2015-06-25 18:35:08 +03:00 committed by Daniel Vetter
parent 44159ddbea
commit a08e111a6c
1 changed files with 19 additions and 21 deletions
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40
drivers/gpu/drm/i915/i915_gem_gtt.c
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@ -330,8 +330,7 @@ static void cleanup_page_dma(struct drm_device *dev, struct i915_page_dma *p)
memset(p, 0, sizeof(*p));
}
static void unmap_and_free_pt(struct i915_page_table *pt,
struct drm_device *dev)
static void free_pt(struct drm_device *dev, struct i915_page_table *pt)
{
cleanup_page_dma(dev, &pt->base);
kfree(pt->used_ptes);
@ -387,8 +386,7 @@ fail_bitmap:
return ERR_PTR(ret);
}
static void unmap_and_free_pd(struct i915_page_directory *pd,
struct drm_device *dev)
static void free_pd(struct drm_device *dev, struct i915_page_directory *pd)
{
if (pd->base.page) {
cleanup_page_dma(dev, &pd->base);
@ -409,17 +407,17 @@ static struct i915_page_directory *alloc_pd(struct drm_device *dev)
pd->used_pdes = kcalloc(BITS_TO_LONGS(I915_PDES),
sizeof(*pd->used_pdes), GFP_KERNEL);
if (!pd->used_pdes)
goto free_pd;
goto fail_bitmap;
ret = setup_page_dma(dev, &pd->base);
if (ret)
goto free_bitmap;
goto fail_page_m;
return pd;
free_bitmap:
fail_page_m:
kfree(pd->used_pdes);
free_pd:
fail_bitmap:
kfree(pd);
return ERR_PTR(ret);
@ -615,7 +613,7 @@ static void gen8_free_page_tables(struct i915_page_directory *pd, struct drm_dev
if (WARN_ON(!pd->page_table[i]))
continue;
unmap_and_free_pt(pd->page_table[i], dev);
free_pt(dev, pd->page_table[i]);
pd->page_table[i] = NULL;
}
}
@ -631,11 +629,11 @@ static void gen8_ppgtt_cleanup(struct i915_address_space *vm)
continue;
gen8_free_page_tables(ppgtt->pdp.page_directory[i], ppgtt->base.dev);
unmap_and_free_pd(ppgtt->pdp.page_directory[i], ppgtt->base.dev);
free_pd(ppgtt->base.dev, ppgtt->pdp.page_directory[i]);
}
unmap_and_free_pd(ppgtt->scratch_pd, ppgtt->base.dev);
unmap_and_free_pt(ppgtt->scratch_pt, ppgtt->base.dev);
free_pd(ppgtt->base.dev, ppgtt->scratch_pd);
free_pt(ppgtt->base.dev, ppgtt->scratch_pt);
}
/**
@ -688,7 +686,7 @@ static int gen8_ppgtt_alloc_pagetabs(struct i915_hw_ppgtt *ppgtt,
unwind_out:
for_each_set_bit(pde, new_pts, I915_PDES)
unmap_and_free_pt(pd->page_table[pde], dev);
free_pt(dev, pd->page_table[pde]);
return -ENOMEM;
}
@ -746,7 +744,7 @@ static int gen8_ppgtt_alloc_page_directories(struct i915_hw_ppgtt *ppgtt,
unwind_out:
for_each_set_bit(pdpe, new_pds, GEN8_LEGACY_PDPES)
unmap_and_free_pd(pdp->page_directory[pdpe], dev);
free_pd(dev, pdp->page_directory[pdpe]);
return -ENOMEM;
}
@ -904,11 +902,11 @@ static int gen8_alloc_va_range(struct i915_address_space *vm,
err_out:
while (pdpe--) {
for_each_set_bit(temp, new_page_tables[pdpe], I915_PDES)
unmap_and_free_pt(ppgtt->pdp.page_directory[pdpe]->page_table[temp], vm->dev);
free_pt(vm->dev, ppgtt->pdp.page_directory[pdpe]->page_table[temp]);
}
for_each_set_bit(pdpe, new_page_dirs, GEN8_LEGACY_PDPES)
unmap_and_free_pd(ppgtt->pdp.page_directory[pdpe], vm->dev);
free_pd(vm->dev, ppgtt->pdp.page_directory[pdpe]);
free_gen8_temp_bitmaps(new_page_dirs, new_page_tables);
mark_tlbs_dirty(ppgtt);
@ -1358,7 +1356,7 @@ unwind_out:
struct i915_page_table *pt = ppgtt->pd.page_table[pde];
ppgtt->pd.page_table[pde] = ppgtt->scratch_pt;
unmap_and_free_pt(pt, vm->dev);
free_pt(vm->dev, pt);
}
mark_tlbs_dirty(ppgtt);
@ -1377,11 +1375,11 @@ static void gen6_ppgtt_cleanup(struct i915_address_space *vm)
gen6_for_all_pdes(pt, ppgtt, pde) {
if (pt != ppgtt->scratch_pt)
unmap_and_free_pt(pt, ppgtt->base.dev);
free_pt(ppgtt->base.dev, pt);
}
unmap_and_free_pt(ppgtt->scratch_pt, ppgtt->base.dev);
unmap_and_free_pd(&ppgtt->pd, ppgtt->base.dev);
free_pt(ppgtt->base.dev, ppgtt->scratch_pt);
free_pd(ppgtt->base.dev, &ppgtt->pd);
}
static int gen6_ppgtt_allocate_page_directories(struct i915_hw_ppgtt *ppgtt)
@ -1431,7 +1429,7 @@ alloc:
return 0;
err_out:
unmap_and_free_pt(ppgtt->scratch_pt, ppgtt->base.dev);
free_pt(ppgtt->base.dev, ppgtt->scratch_pt);
return ret;
}