From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Tue, 28 Nov 2017 21:31:57 +0100 Subject: [PATCH 10/17] drm/sun4i: Add scaler configuration to DE2 mixers In-Reply-To: <20171127205750.19277-11-jernej.skrabec@siol.net> References: <20171127205750.19277-1-jernej.skrabec@siol.net> <20171127205750.19277-11-jernej.skrabec@siol.net> Message-ID: <20171128203157.id6mflespftuavbq@flea.home> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Mon, Nov 27, 2017 at 09:57:43PM +0100, Jernej Skrabec wrote: > No all SoCs support scaling on all channels. For example, V3s support > scaling only on VI channels. Because of that, add additional > configuration bitmask which tells which channel support scaler. > > Signed-off-by: Jernej Skrabec > --- > drivers/gpu/drm/sun4i/sun8i_mixer.c | 1 + > drivers/gpu/drm/sun4i/sun8i_mixer.h | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c > index dc97351be973..291dd8806444 100644 > --- a/drivers/gpu/drm/sun4i/sun8i_mixer.c > +++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c > @@ -576,6 +576,7 @@ static int sun8i_mixer_remove(struct platform_device *pdev) > static const struct sun8i_mixer_cfg sun8i_v3s_mixer_cfg = { > .vi_num = 2, > .ui_num = 1, > + .scaler_mask = 0x3, > }; > > static const struct of_device_id sun8i_mixer_of_table[] = { > diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.h b/drivers/gpu/drm/sun4i/sun8i_mixer.h > index 572ef184a21a..ad5aef5846ae 100644 > --- a/drivers/gpu/drm/sun4i/sun8i_mixer.h > +++ b/drivers/gpu/drm/sun4i/sun8i_mixer.h > @@ -139,6 +139,7 @@ > struct sun8i_mixer_cfg { > int vi_num; > int ui_num; > + int scaler_mask; Can you add a comment there to explain what the scaler_mask is ? (ideally in kerneldoc) Thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: