[Intel-gfx] [PATCH 3/3] drm/i915: Fix the confusing comment about the ioctl limits

Damien Lespiau damien.lespiau at intel.com
Mon Jun 9 15:39:51 CEST 2014


It was reported that this comment was confusing, and indeed it is.

Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
 include/uapi/drm/i915_drm.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index ff57f07..eacd063 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -171,8 +171,12 @@ typedef struct _drm_i915_sarea {
 #define I915_BOX_TEXTURE_LOAD  0x8
 #define I915_BOX_LOST_CONTEXT  0x10
 
-/* I915 specific ioctls
- * The device specific ioctl range is 0x40 to 0x79.
+/*
+ * i915 specific ioctls.
+ *
+ * The device specific ioctl range is [DRM_COMMAND_BASE, DRM_COMMAND_END) ie
+ * [0x40, 0xa0) (a0 is excluded) and those defines are offsets from
+ * DRM_COMMAND_BASE.
  */
 #define DRM_I915_INIT		0x00
 #define DRM_I915_FLUSH		0x01
-- 
1.8.3.1




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