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@xxxxxxxx>
---
drivers/gpu/drm/sun4i/sun8i_mixer.c | 1 +
drivers/gpu/drm/sun4i/sun8i_mixer.h | 10 ++++++++++
2 files changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
index 888620b1d3f1..e3296a060352 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
@@ -336,6 +336,7 @@ 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 bad0969ac105..a6270b307ae5 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.h
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.h
@@ -94,9 +94,19 @@ struct de2_fmt_info {
u32 de2_fmt;
};
+/**
+ * struct sun8i_mixer_cfg - mixer HW configuration
+ * @vi_num: number of VI channels
+ * @ui_num: number of UI channels
+ * @scaler_mask: bitmask which tells which channel supports scaling
+ * First, scaler supports for VI channels is defined and after that, scaler
+ * support for UI channels. For example, if mixer has 2 VI channels without
+ * scaler and 2 UI channels with scaler, bitmask would be 0xC.
+ */
struct sun8i_mixer_cfg {
int vi_num;
int ui_num;
+ int scaler_mask;
};
struct sun8i_mixer {
--
2.15.1
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