Document the expected length register config pointers (tuple of u32 values).
Signed-off-by: Lionel Landwerlin <[email protected]> --- include/uapi/drm/i915_drm.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index fd5c103fe88d..20062f30c1b1 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -1523,6 +1523,11 @@ struct drm_i915_perf_oa_config { __u32 n_boolean_regs; __u32 n_flex_regs; + /** + * These fields are pointers to tuples of u32 values (register + * address, value). For example the expected length of the buffer + * pointed by mux_regs_ptr should be (2 * sizeof(u32) * n_mux_regs). + */ __u64 mux_regs_ptr; __u64 boolean_regs_ptr; __u64 flex_regs_ptr; -- 2.14.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
