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-rw-r--r--shared-core/i915_drm.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/shared-core/i915_drm.h b/shared-core/i915_drm.h
index 2539966f..b2146000 100644
--- a/shared-core/i915_drm.h
+++ b/shared-core/i915_drm.h
@@ -206,6 +206,7 @@ typedef struct drm_i915_sarea {
#define DRM_I915_GEM_GET_APERTURE 0x23
#define DRM_I915_GEM_MMAP_GTT 0x24
#define DRM_I915_GET_PIPE_FROM_CRTC_ID 0x25
+#define DRM_I915_GEM_MADVISE 0x26
#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@@ -244,6 +245,7 @@ typedef struct drm_i915_sarea {
#define DRM_IOCTL_I915_GEM_GET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling)
#define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture)
#define DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GET_PIPE_FROM_CRTC_ID, struct drm_i915_get_pipe_from_crtc_id)
+#define DRM_IOCTL_I915_GEM_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise)
/* Asynchronous page flipping:
*/
@@ -727,4 +729,18 @@ struct drm_i915_get_pipe_from_crtc_id {
uint32_t pipe;
};
+#define I915_MADV_WILLNEED 0
+#define I915_MADV_DONTNEED 1
+
+struct drm_i915_gem_madvise {
+ /** Handle of the buffer to change the backing store advice. */
+ uint32_t handle;
+
+ /** Advice. */
+ uint32_t madv;
+
+ /** Whether or not the backing store still exists */
+ uint32_t retained;
+};
+
#endif /* _I915_DRM_H_ */