On 5/22/2015 6:05 PM, Mika Kuoppala wrote:
There is no need for atomicity here. Convert all bitmap
operations to nonatomic variants.
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
Reviewed-by: Michel Thierry <michel.thierry@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index ab113ce..95c39e5 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -842,7 +842,7 @@ static int gen8_ppgtt_alloc_pagetabs(struct i915_hw_ppgtt *ppgtt,
gen8_initialize_pt(&ppgtt->base, pt);
pd->page_table[pde] = pt;
- set_bit(pde, new_pts);
+ __set_bit(pde, new_pts);
}
return 0;
@@ -900,7 +900,7 @@ static int gen8_ppgtt_alloc_page_directories(struct i915_hw_ppgtt *ppgtt,
gen8_initialize_pd(&ppgtt->base, pd);
pdp->page_directory[pdpe] = pd;
- set_bit(pdpe, new_pds);
+ __set_bit(pdpe, new_pds);
}
return 0;
@@ -1040,7 +1040,7 @@ static int gen8_alloc_va_range(struct i915_address_space *vm,
gen8_pte_count(pd_start, pd_len));
/* Our pde is now pointing to the pagetable, pt */
- set_bit(pde, pd->used_pdes);
+ __set_bit(pde, pd->used_pdes);
/* Map the PDE to the page table */
page_directory[pde] = gen8_pde_encode(px_dma(pt),
@@ -1052,7 +1052,7 @@ static int gen8_alloc_va_range(struct i915_address_space *vm,
kunmap_px(ppgtt, page_directory);
- set_bit(pdpe, ppgtt->pdp.used_pdpes);
+ __set_bit(pdpe, ppgtt->pdp.used_pdpes);
}
free_gen8_temp_bitmaps(new_page_dirs, new_page_tables);
@@ -1497,7 +1497,7 @@ static int gen6_alloc_va_range(struct i915_address_space *vm,
gen6_initialize_pt(vm, pt);
ppgtt->pd.page_table[pde] = pt;
- set_bit(pde, new_page_tables);
+ __set_bit(pde, new_page_tables);
trace_i915_page_table_entry_alloc(vm, pde, start, GEN6_PDE_SHIFT);
}
@@ -1511,7 +1511,7 @@ static int gen6_alloc_va_range(struct i915_address_space *vm,
bitmap_set(tmp_bitmap, gen6_pte_index(start),
gen6_pte_count(start, length));
- if (test_and_clear_bit(pde, new_page_tables))
+ if (__test_and_clear_bit(pde, new_page_tables))
gen6_write_pde(&ppgtt->pd, pde, pt);
trace_i915_page_table_entry_map(vm, pde, pt,
--
1.9.1
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