From 59f17412fa3f3de90ae120a9dc00c2e22b85ca65 Mon Sep 17 00:00:00 2001 From: Jeffy Chen Date: Mon, 26 Oct 2020 17:50:06 +0800 Subject: [PATCH 37/74] HACK: backend-drm: Workaround atomic flip for BSP 4.4 kernel The Rockchip BSP 4.4 kernel might generate unexpected flip events when dpms changed. Signed-off-by: Jeffy Chen --- libweston/backend-drm/kms.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/libweston/backend-drm/kms.c b/libweston/backend-drm/kms.c index a3c55bd..cf37773 100644 --- a/libweston/backend-drm/kms.c +++ b/libweston/backend-drm/kms.c @@ -1502,7 +1502,11 @@ atomic_flip_handler(int fd, unsigned int frame, unsigned int sec, drm_debug(b, "[atomic][CRTC:%u] flip processing started\n", crtc_id); assert(b->atomic_modeset); - assert(output->atomic_complete_pending); + + /* HACK: Disable this check sink the Rockchip BSP 4.4 kernel might + * generate unexpected flip events when dpms changed. */ + //assert(output->atomic_complete_pending); + output->atomic_complete_pending = false; drm_output_update_complete(output, flags, sec, usec); -- 2.20.1