drm: add clone mode check for CRTC
authorJessica Zhang <quic_jesszhan@quicinc.com>
Tue, 17 Dec 2024 00:43:12 +0000 (16:43 -0800)
committerDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tue, 7 Jan 2025 23:39:58 +0000 (01:39 +0200)
commiteee0912a7185d5dc0a700d48f7ff620bb7f5389b
tree0de0e33b2428cbac0aa5f405893d4e2c56404b75
parent73d934d7b6e39a3e52586467a30ca3ff3f6f9eb4
drm: add clone mode check for CRTC

Add a common helper to check if the given CRTC state is in clone mode.
This can be used by drivers to help detect if a CRTC is being shared by
multiple encoders

Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241216-concurrent-wb-v4-1-fe220297a7f0@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
drivers/gpu/drm/drm_crtc.c
include/drm/drm_crtc.h