[PATCH v3 21/24] drm: of: Export drm_crtc_port_mask()

On Mon, Jun 25, 2018 at 8:03 PM, Jernej Skrabec [off-list ref] wrote:

Function is useful when drm_of_find_possible_crtcs() can't be used and
custom parsing is needed. This can happen for example when there is a
node with multiple muxes between crtc and encoder.

Signed-off-by: Jernej Skrabec <redacted>

Reviewed-by: Chen-Yu Tsai <redacted>