Extend the use of extended receiver cap at 0x2200 to cover MAIN_LINK_CHANNEL_CODING_CAP in 0x2206, in case an implementation hides the DP 2.0 128b/132b channel encoding cap.
Cc: dri-devel@lists.freedesktop.org Reviewed-by: Manasi Navare manasi.d.navare@intel.com Signed-off-by: Jani Nikula jani.nikula@intel.com --- drivers/gpu/drm/drm_dp_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 9b2a2961fca8..9389f92cb944 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -608,7 +608,7 @@ static u8 drm_dp_downstream_port_count(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) static int drm_dp_read_extended_dpcd_caps(struct drm_dp_aux *aux, u8 dpcd[DP_RECEIVER_CAP_SIZE]) { - u8 dpcd_ext[6]; + u8 dpcd_ext[DP_MAIN_LINK_CHANNEL_CODING + 1]; int ret;
/*