[PATCH 3/4] drm/fsl-dcu: update all registers on flush

2016-09-07 Thread Meng Yi
Hi Stefan, Some comments below > > diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c b/drivers/gpu/drm/fsl- > dcu/fsl_dcu_drm_crtc.c > index d30b61e..62eb284 100644 > --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c > +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c > @@ -27,6 +27,9 @@ sta

[PATCH 3/4] drm/fsl-dcu: update all registers on flush

2016-09-05 Thread Stefan Agner
Use the UPDATE_MODE READREG bit to initiate a register transfer on flush. This makes sure that we flush all registers only once for all planes. Signed-off-by: Stefan Agner --- drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c | 3 +++ drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c | 5 - 2 files chan