Hi, On Thu, May 16, 2019 at 2:40 PM Douglas Anderson <dianders@xxxxxxxxxxxx> wrote: > > On Rockchip rk3288-based Chromebooks when you do a suspend/resume > cycle: > > 1. You lose the ability to detect an HDMI device being plugged in. > > 2. If you're using the i2c bus built in to dw_hdmi then it stops > working. > > Let's call the core dw-hdmi's suspend/resume functions to restore > things. > > NOTE: in downstream Chrome OS (based on kernel 3.14) we used the > "late/early" versions of suspend/resume because we found that the VOP > was sometimes resuming before dw_hdmi and then calling into us before > we were fully resumed. For now I have gone back to the normal > suspend/resume because I can't reproduce the problems. > > Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx> > --- > > Changes in v2: > - Add forgotten static (Laurent) > - No empty stub for suspend (Laurent) > > drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) Whoops, forgot that I should have carried forward: Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> -Doug _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel