diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.h | 49 |
1 files changed, 23 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h index 877c32c78a6a..b448ad832dcf 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.h +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h @@ -455,32 +455,29 @@ static inline uint32_t gen6_pde_index(uint32_t addr) * between from start until start + length. On gen8+ it simply iterates * over every page directory entry in a page directory. */ -#define gen8_for_each_pde(pt, pd, start, length, temp, iter) \ - for (iter = gen8_pde_index(start); \ - length > 0 && iter < I915_PDES ? \ - (pt = (pd)->page_table[iter]), 1 : 0; \ - iter++, \ - temp = ALIGN(start+1, 1 << GEN8_PDE_SHIFT) - start, \ - temp = min(temp, length), \ - start += temp, length -= temp) - -#define gen8_for_each_pdpe(pd, pdp, start, length, temp, iter) \ - for (iter = gen8_pdpe_index(start); \ - length > 0 && (iter < I915_PDPES_PER_PDP(dev)) ? \ - (pd = (pdp)->page_directory[iter]), 1 : 0; \ - iter++, \ - temp = ALIGN(start+1, 1 << GEN8_PDPE_SHIFT) - start, \ - temp = min(temp, length), \ - start += temp, length -= temp) - -#define gen8_for_each_pml4e(pdp, pml4, start, length, temp, iter) \ - for (iter = gen8_pml4e_index(start); \ - length > 0 && iter < GEN8_PML4ES_PER_PML4 ? \ - (pdp = (pml4)->pdps[iter]), 1 : 0; \ - iter++, \ - temp = ALIGN(start+1, 1ULL << GEN8_PML4E_SHIFT) - start, \ - temp = min(temp, length), \ - start += temp, length -= temp) +#define gen8_for_each_pde(pt, pd, start, length, iter) \ + for (iter = gen8_pde_index(start); \ + length > 0 && iter < I915_PDES && \ + (pt = (pd)->page_table[iter], true); \ + ({ u64 temp = ALIGN(start+1, 1 << GEN8_PDE_SHIFT); \ + temp = min(temp - start, length); \ + start += temp, length -= temp; }), ++iter) + +#define gen8_for_each_pdpe(pd, pdp, start, length, iter) \ + for (iter = gen8_pdpe_index(start); \ + length > 0 && iter < I915_PDPES_PER_PDP(dev) && \ + (pd = (pdp)->page_directory[iter], true); \ + ({ u64 temp = ALIGN(start+1, 1 << GEN8_PDPE_SHIFT); \ + temp = min(temp - start, length); \ + start += temp, length -= temp; }), ++iter) + +#define gen8_for_each_pml4e(pdp, pml4, start, length, iter) \ + for (iter = gen8_pml4e_index(start); \ + length > 0 && iter < GEN8_PML4ES_PER_PML4 && \ + (pdp = (pml4)->pdps[iter], true); \ + ({ u64 temp = ALIGN(start+1, 1ULL << GEN8_PML4E_SHIFT); \ + temp = min(temp - start, length); \ + start += temp, length -= temp; }), ++iter) static inline uint32_t gen8_pte_index(uint64_t address) { |