> -----Original Message----- > From: Intel-gfx <[email protected]> On Behalf Of Imre > Deak > Sent: Thursday, February 19, 2026 11:58 PM > To: [email protected]; [email protected] > Subject: [PATCH 4/5] drm/i915/dp_tunnel: Sanitize documentation of > intel_dp_tunnel_detect() > > Clarify the documentation of detect_new_tunnel() return values, including the > failure case. > Can this change be merged with the previous patch as the previous patch makes this change.
Thanks and Regards, Arun R Murthy ------------------- > Signed-off-by: Imre Deak <[email protected]> > --- > drivers/gpu/drm/i915/display/intel_dp_tunnel.c | 9 ++++++--- > 1 file changed, 6 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp_tunnel.c > b/drivers/gpu/drm/i915/display/intel_dp_tunnel.c > index 5840b92dace19..1c552a7091897 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp_tunnel.c > +++ b/drivers/gpu/drm/i915/display/intel_dp_tunnel.c > @@ -241,9 +241,12 @@ static int detect_new_tunnel(struct intel_dp > *intel_dp, struct drm_modeset_acqui > * tunnel. If the tunnel's state change requires this - for instance the > * tunnel's group ID has changed - the tunnel will be dropped and recreated. > * > - * Return 0 in case of success - after any tunnel detected and added to > - * @intel_dp - 1 in case the BW on an already existing tunnel has changed in > a > - * way that requires notifying user space. > + * Returns: > + * - 0 in case of success - after any tunnel detected and added to > + @intel_dp > + * - 1 in case the link BW via the new or an already existing tunnel has > changed > + * in a way that requires notifying user space > + * - Negative error code, if creating a new tunnel or updating the tunnel > + * state failed > */ > int intel_dp_tunnel_detect(struct intel_dp *intel_dp, struct > drm_modeset_acquire_ctx *ctx) { > -- > 2.49.1
