Hi, On Mon, Nov 27, 2017 at 09:57:42PM +0100, Jernej Skrabec wrote: > Scaler library currently supports scaling only RGB planes on VI planes. > > Coefficients and algorithm which ones to select are taken from BSP driver. > > Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx> > --- > drivers/gpu/drm/sun4i/Makefile | 2 +- > drivers/gpu/drm/sun4i/sun8i_scaler.c | 667 +++++++++++++++++++++++++++++++++++ > drivers/gpu/drm/sun4i/sun8i_scaler.h | 78 ++++ > 3 files changed, 746 insertions(+), 1 deletion(-) > create mode 100644 drivers/gpu/drm/sun4i/sun8i_scaler.c > create mode 100644 drivers/gpu/drm/sun4i/sun8i_scaler.h > > diff --git a/drivers/gpu/drm/sun4i/Makefile b/drivers/gpu/drm/sun4i/Makefile > index 0c2f8c7facae..70df480792f9 100644 > --- a/drivers/gpu/drm/sun4i/Makefile > +++ b/drivers/gpu/drm/sun4i/Makefile > @@ -9,7 +9,7 @@ sun4i-drm-hdmi-y += sun4i_hdmi_enc.o > sun4i-drm-hdmi-y += sun4i_hdmi_i2c.o > sun4i-drm-hdmi-y += sun4i_hdmi_tmds_clk.o > > -sun8i-mixer-y += sun8i_mixer.o sun8i_layer.o > +sun8i-mixer-y += sun8i_mixer.o sun8i_layer.o sun8i_scaler.o > > sun4i-tcon-y += sun4i_crtc.o > sun4i-tcon-y += sun4i_dotclock.o > diff --git a/drivers/gpu/drm/sun4i/sun8i_scaler.c b/drivers/gpu/drm/sun4i/sun8i_scaler.c > new file mode 100644 > index 000000000000..23525beceaa2 > --- /dev/null > +++ b/drivers/gpu/drm/sun4i/sun8i_scaler.c > @@ -0,0 +1,667 @@ > +/* > + * Copyright (C) 2017 Jernej Skrabec <jernej.skrabec@xxxxxxxx> > + * > + * Coefficients are taken from BSP driver, which is: > + * Copyright (C) 2014-2015 Allwinner Saying from which BSP you got them would be great for future reference It looks good otherwise. I kind of hate those big array of undocumented data, but there's nothing you can do about it either, so we'll have to deal with it :) Thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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