diff options
Diffstat (limited to 'kernel/include/uapi/drm')
| -rw-r--r-- | kernel/include/uapi/drm/i915_drm.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/include/uapi/drm/i915_drm.h b/kernel/include/uapi/drm/i915_drm.h index 551b6737f..a7e41fb6e 100644 --- a/kernel/include/uapi/drm/i915_drm.h +++ b/kernel/include/uapi/drm/i915_drm.h @@ -1065,6 +1065,14 @@ struct drm_i915_reg_read { __u64 offset; __u64 val; /* Return value */ }; +/* Known registers: + * + * Render engine timestamp - 0x2358 + 64bit - gen7+ + * - Note this register returns an invalid value if using the default + * single instruction 8byte read, in order to workaround that use + * offset (0x2538 | 1) instead. + * + */ struct drm_i915_reset_stats { __u32 ctx_id; |