Document the expected length register config pointers (tuple of u32 values). Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_perf.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 3d34c6a4313d..4409cea57607 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -3200,6 +3200,11 @@ static int create_dynamic_oa_sysfs_entry(struct drm_i915_private *dev_priv, * Validates the submitted OA register to be saved into a new OA config that * can then be used for programming the OA unit and its NOA network. * + * drm_i915_perf_oa_config has 3 pointers fields (mux_regs_ptr, + * boolean_regs_ptr, flex_regs_ptr) to buffers of tuples (register address, + * value) of u32 values. The number of tuples is given respectively by + * n_mux_regs, n_boolean_regs and n_flex_regs fields. + * * Returns: A new allocated config number to be used with the perf open ioctl * or a negative error code on failure. */ -- 2.14.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx