diff options
| author | David Weinehall <david.weinehall@linux.intel.com> | 2015-05-20 17:00:13 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-05-29 10:15:19 +0200 |
| commit | b1b38278e12b04cf9a227f6af2c24651cf6e8a85 (patch) | |
| tree | e433227e4e8f1fffc26c55c55ade6086b1ea0197 /drivers/gpu/drm/i915/i915_gem_execbuffer.c | |
| parent | 4373f0f24ed52549d4d6a0d7e155301476ec0a36 (diff) | |
drm/i915: add a context parameter to {en, dis}able zero address mapping
Export a new context parameter that can be set/queried through the
context_{get,set}param ioctls. This parameter is passed as a context
flag and decides whether or not a GPU address mapping is allowed to
be made at address zero. The default is to allow such mappings.
Signed-off-by: David Weinehall <david.weinehall@intel.com>
Acked-by: "Zou, Nanhai" <nanhai.zou@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_execbuffer.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index bd0e4bda2c64..3336e1c2c0a5 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -676,6 +676,7 @@ eb_vma_misplaced(struct i915_vma *vma) static int i915_gem_execbuffer_reserve(struct intel_engine_cs *ring, struct list_head *vmas, + struct intel_context *ctx, bool *need_relocs) { struct drm_i915_gem_object *obj; @@ -698,6 +699,9 @@ i915_gem_execbuffer_reserve(struct intel_engine_cs *ring, obj = vma->obj; entry = vma->exec_entry; + if (ctx->flags & CONTEXT_NO_ZEROMAP) + entry->flags |= __EXEC_OBJECT_NEEDS_BIAS; + if (!has_fenced_gpu_access) entry->flags &= ~EXEC_OBJECT_NEEDS_FENCE; need_fence = @@ -775,7 +779,8 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev, struct drm_file *file, struct intel_engine_cs *ring, struct eb_vmas *eb, - struct drm_i915_gem_exec_object2 *exec) + struct drm_i915_gem_exec_object2 *exec, + struct intel_context *ctx) { struct drm_i915_gem_relocation_entry *reloc; struct i915_address_space *vm; @@ -861,7 +866,7 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev, goto err; need_relocs = (args->flags & I915_EXEC_NO_RELOC) == 0; - ret = i915_gem_execbuffer_reserve(ring, &eb->vmas, &need_relocs); + ret = i915_gem_execbuffer_reserve(ring, &eb->vmas, ctx, &need_relocs); if (ret) goto err; @@ -1519,7 +1524,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, /* Move the objects en-masse into the GTT, evicting if necessary. */ need_relocs = (args->flags & I915_EXEC_NO_RELOC) == 0; - ret = i915_gem_execbuffer_reserve(ring, &eb->vmas, &need_relocs); + ret = i915_gem_execbuffer_reserve(ring, &eb->vmas, ctx, &need_relocs); if (ret) goto err; @@ -1529,7 +1534,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, if (ret) { if (ret == -EFAULT) { ret = i915_gem_execbuffer_relocate_slow(dev, args, file, ring, - eb, exec); + eb, exec, ctx); BUG_ON(!mutex_is_locked(&dev->struct_mutex)); } if (ret) |