diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_fence_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_fence_reg.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.h b/drivers/gpu/drm/i915/i915_gem_fence_reg.h new file mode 100644 index 000000000..99a31ded4 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_gem_fence_reg.h @@ -0,0 +1,53 @@ +/* + * Copyright © 2016 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#ifndef __I915_FENCE_REG_H__ +#define __I915_FENCE_REG_H__ + +#include <linux/list.h> + +struct drm_i915_private; +struct i915_vma; + +#define I965_FENCE_PAGE 4096UL + +struct drm_i915_fence_reg { + struct list_head link; + struct drm_i915_private *i915; + struct i915_vma *vma; + int pin_count; + int id; + /** + * Whether the tiling parameters for the currently + * associated fence register have changed. Note that + * for the purposes of tracking tiling changes we also + * treat the unfenced register, the register slot that + * the object occupies whilst it executes a fenced + * command (such as BLT on gen2/3), as a "fence". + */ + bool dirty; +}; + +#endif + |