linux-kernel - [PATCH 10/17] drm/sun4i: Add scaler configuration to DE2 mixers

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Date:   Mon, 27 Nov 2017 21:57:43 +0100
From:   Jernej Skrabec <jernej.skrabec@...l.net>
To:     maxime.ripard@...e-electrons.com
Cc:     wens@...e.org, airlied@...ux.ie, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, icenowy@...c.io,
        linux-sunxi@...glegroups.com
Subject: [PATCH 10/17] drm/sun4i: Add scaler configuration to DE2 mixers

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 <jernej.skrabec@...l.net>
---
 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;
 };
 
 struct sun8i_mixer {
-- 
2.15.0