From 93281e638545955769ee1706e510624b7d6073c4 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Mon, 5 Feb 2018 18:53:18 +0000 Subject: [PATCH 362/773] drm/vc4: Don't wait for vblank on fkms cursor updates. We don't use the same async update path between fkms and normal kms, and the normal kms workaround ended up making us wait. This became a larger problem in rpi-4.14.y, as the USB HID update rate throttling got (accidentally?) dropped. Signed-off-by: Eric Anholt --- drivers/gpu/drm/vc4/vc4_kms.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -222,7 +222,8 @@ static int vc4_atomic_commit(struct drm_ * drm_atomic_helper_setup_commit() from auto-completing * commit->flip_done. */ - state->legacy_cursor_update = false; + if (!vc4->firmware_kms) + state->legacy_cursor_update = false; ret = drm_atomic_helper_setup_commit(state, nonblock); if (ret) return ret;