diff options
Diffstat (limited to 'patches/collateral-evolutions/drm/02-revert-vm_mmap/drivers_gpu_drm_i915_i915_gem.patch')
| -rw-r--r-- | patches/collateral-evolutions/drm/02-revert-vm_mmap/drivers_gpu_drm_i915_i915_gem.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/patches/collateral-evolutions/drm/02-revert-vm_mmap/drivers_gpu_drm_i915_i915_gem.patch b/patches/collateral-evolutions/drm/02-revert-vm_mmap/drivers_gpu_drm_i915_i915_gem.patch new file mode 100644 index 00000000..d29b39b7 --- /dev/null +++ b/patches/collateral-evolutions/drm/02-revert-vm_mmap/drivers_gpu_drm_i915_i915_gem.patch @@ -0,0 +1,21 @@ +--- a/drivers/gpu/drm/i915/i915_gem.c ++++ b/drivers/gpu/drm/i915/i915_gem.c +@@ -1294,10 +1294,17 @@ + drm_gem_object_unreference_unlocked(obj); + return -EINVAL; + } +- ++#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0)) ++ down_write(¤t->mm->mmap_sem); ++ addr = do_mmap(obj->filp, 0, args->size, ++ PROT_READ | PROT_WRITE, MAP_SHARED, ++ args->offset); ++ up_write(¤t->mm->mmap_sem); ++#else + addr = vm_mmap(obj->filp, 0, args->size, + PROT_READ | PROT_WRITE, MAP_SHARED, + args->offset); ++#endif + drm_gem_object_unreference_unlocked(obj); + if (IS_ERR((void *)addr)) + return addr; |