* [PATCH v5 1/2] drm/sun4i: Add alpha property for sun8i UI layer
2021-01-28 11:39 [PATCH v5 0/2] Implement DE2.0 and DE3.0 per-plane alpha support Roman Stratiienko
@ 2021-01-28 11:39 ` Roman Stratiienko
2021-01-28 11:39 ` [PATCH v5 2/2] drm/sun4i: Add alpha property for sun8i and sun50i VI layer Roman Stratiienko
2021-02-10 10:21 ` [PATCH v5 0/2] Implement DE2.0 and DE3.0 per-plane alpha support Maxime Ripard
2 siblings, 0 replies; 4+ messages in thread
From: Roman Stratiienko @ 2021-01-28 11:39 UTC (permalink / raw)
To: linux-kernel
Cc: megous, jernej.skrabec, linux-sunxi, dri-devel, wens, Roman Stratiienko
DE2.0 and DE3.0 UI layers supports plane-global alpha channel.
Add alpha property to the DRM plane and connect it to the
corresponding registers in mixer.
Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
drivers/gpu/drm/sun4i/sun8i_ui_layer.c | 29 ++++++++++++++++++++++++++
drivers/gpu/drm/sun4i/sun8i_ui_layer.h | 5 +++++
2 files changed, 34 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
index 816ad4ce8996..e64f30595f64 100644
--- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
@@ -72,6 +72,27 @@ static void sun8i_ui_layer_enable(struct sun8i_mixer *mixer, int channel,
}
}
+static void sun8i_ui_layer_update_alpha(struct sun8i_mixer *mixer, int channel,
+ int overlay, struct drm_plane *plane)
+{
+ u32 mask, val, ch_base;
+
+ ch_base = sun8i_channel_base(mixer, channel);
+
+ mask = SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_MASK |
+ SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MASK;
+
+ val = SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA(plane->state->alpha >> 8);
+
+ val |= (plane->state->alpha == DRM_BLEND_ALPHA_OPAQUE) ?
+ SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_PIXEL :
+ SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_COMBINED;
+
+ regmap_update_bits(mixer->engine.regs,
+ SUN8I_MIXER_CHAN_UI_LAYER_ATTR(ch_base, overlay),
+ mask, val);
+}
+
static int sun8i_ui_layer_update_coord(struct sun8i_mixer *mixer, int channel,
int overlay, struct drm_plane *plane,
unsigned int zpos)
@@ -290,6 +311,8 @@ static void sun8i_ui_layer_atomic_update(struct drm_plane *plane,
sun8i_ui_layer_update_coord(mixer, layer->channel,
layer->overlay, plane, zpos);
+ sun8i_ui_layer_update_alpha(mixer, layer->channel,
+ layer->overlay, plane);
sun8i_ui_layer_update_formats(mixer, layer->channel,
layer->overlay, plane);
sun8i_ui_layer_update_buffer(mixer, layer->channel,
@@ -367,6 +390,12 @@ struct sun8i_ui_layer *sun8i_ui_layer_init_one(struct drm_device *drm,
plane_cnt = mixer->cfg->ui_num + mixer->cfg->vi_num;
+ ret = drm_plane_create_alpha_property(&layer->plane);
+ if (ret) {
+ dev_err(drm->dev, "Couldn't add alpha property\n");
+ return ERR_PTR(ret);
+ }
+
ret = drm_plane_create_zpos_property(&layer->plane, channel,
0, plane_cnt - 1);
if (ret) {
diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.h b/drivers/gpu/drm/sun4i/sun8i_ui_layer.h
index f4ab1cf6cded..e3e32ee1178d 100644
--- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.h
+++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.h
@@ -40,6 +40,11 @@
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_MASK GENMASK(12, 8)
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_OFFSET 8
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MASK GENMASK(31, 24)
+#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA(x) ((x) << 24)
+
+#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_PIXEL ((0) << 1)
+#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_LAYER ((1) << 1)
+#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_COMBINED ((2) << 1)
struct sun8i_mixer;
--
2.27.0
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^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH v5 2/2] drm/sun4i: Add alpha property for sun8i and sun50i VI layer
2021-01-28 11:39 [PATCH v5 0/2] Implement DE2.0 and DE3.0 per-plane alpha support Roman Stratiienko
2021-01-28 11:39 ` [PATCH v5 1/2] drm/sun4i: Add alpha property for sun8i UI layer Roman Stratiienko
@ 2021-01-28 11:39 ` Roman Stratiienko
2021-02-10 10:21 ` [PATCH v5 0/2] Implement DE2.0 and DE3.0 per-plane alpha support Maxime Ripard
2 siblings, 0 replies; 4+ messages in thread
From: Roman Stratiienko @ 2021-01-28 11:39 UTC (permalink / raw)
To: linux-kernel
Cc: megous, jernej.skrabec, linux-sunxi, dri-devel, wens, Roman Stratiienko
DE3.0 VI layers supports plane-global alpha channel.
DE2.0 FCC block have GLOBAL_ALPHA register that can be used as alpha source
for blender.
Add alpha property to the DRM plane and connect it to the
corresponding registers in the mixer.
Do not add alpha property for V3s SOC that have DE2.0 and 2 VI planes.
Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 48 +++++++++++++++++++++-----
drivers/gpu/drm/sun4i/sun8i_vi_layer.h | 11 ++++++
2 files changed, 51 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
index 76393fc976fe..684462ce2a9b 100644
--- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
@@ -66,6 +66,36 @@ static void sun8i_vi_layer_enable(struct sun8i_mixer *mixer, int channel,
}
}
+static void sun8i_vi_layer_update_alpha(struct sun8i_mixer *mixer, int channel,
+ int overlay, struct drm_plane *plane)
+{
+ u32 mask, val, ch_base;
+
+ ch_base = sun8i_channel_base(mixer, channel);
+
+ if (mixer->cfg->is_de3) {
+ mask = SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK |
+ SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_MASK;
+ val = SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA
+ (plane->state->alpha >> 8);
+
+ val |= (plane->state->alpha == DRM_BLEND_ALPHA_OPAQUE) ?
+ SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_PIXEL :
+ SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_COMBINED;
+
+ regmap_update_bits(mixer->engine.regs,
+ SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base,
+ overlay),
+ mask, val);
+ } else if (mixer->cfg->vi_num == 1) {
+ regmap_update_bits(mixer->engine.regs,
+ SUN8I_MIXER_FCC_GLOBAL_ALPHA_REG,
+ SUN8I_MIXER_FCC_GLOBAL_ALPHA_MASK,
+ SUN8I_MIXER_FCC_GLOBAL_ALPHA
+ (plane->state->alpha >> 8));
+ }
+}
+
static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel,
int overlay, struct drm_plane *plane,
unsigned int zpos)
@@ -268,14 +298,6 @@ static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel,
SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay),
SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE, val);
- /* It seems that YUV formats use global alpha setting. */
- if (mixer->cfg->is_de3)
- regmap_update_bits(mixer->engine.regs,
- SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base,
- overlay),
- SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK,
- SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA(0xff));
-
return 0;
}
@@ -393,6 +415,8 @@ static void sun8i_vi_layer_atomic_update(struct drm_plane *plane,
sun8i_vi_layer_update_coord(mixer, layer->channel,
layer->overlay, plane, zpos);
+ sun8i_vi_layer_update_alpha(mixer, layer->channel,
+ layer->overlay, plane);
sun8i_vi_layer_update_formats(mixer, layer->channel,
layer->overlay, plane);
sun8i_vi_layer_update_buffer(mixer, layer->channel,
@@ -534,6 +558,14 @@ struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
plane_cnt = mixer->cfg->ui_num + mixer->cfg->vi_num;
+ if (mixer->cfg->vi_num == 1 || mixer->cfg->is_de3) {
+ ret = drm_plane_create_alpha_property(&layer->plane);
+ if (ret) {
+ dev_err(drm->dev, "Couldn't add alpha property\n");
+ return ERR_PTR(ret);
+ }
+ }
+
ret = drm_plane_create_zpos_property(&layer->plane, index,
0, plane_cnt - 1);
if (ret) {
diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.h b/drivers/gpu/drm/sun4i/sun8i_vi_layer.h
index eaa6076f5dbc..48c399e1c86d 100644
--- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.h
+++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.h
@@ -29,14 +29,25 @@
#define SUN8I_MIXER_CHAN_VI_VDS_UV(base) \
((base) + 0xfc)
+#define SUN8I_MIXER_FCC_GLOBAL_ALPHA_REG \
+ (0xAA000 + 0x90)
+
+#define SUN8I_MIXER_FCC_GLOBAL_ALPHA(x) ((x) << 24)
+#define SUN8I_MIXER_FCC_GLOBAL_ALPHA_MASK GENMASK(31, 24)
+
#define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_EN BIT(0)
/* RGB mode should be set for RGB formats and cleared for YCbCr */
#define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE BIT(15)
#define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET 8
#define SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK GENMASK(12, 8)
+#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_MASK GENMASK(2, 1)
#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MASK GENMASK(31, 24)
#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA(x) ((x) << 24)
+#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_PIXEL ((0) << 1)
+#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_LAYER ((1) << 1)
+#define SUN50I_MIXER_CHAN_VI_LAYER_ATTR_ALPHA_MODE_COMBINED ((2) << 1)
+
#define SUN8I_MIXER_CHAN_VI_DS_N(x) ((x) << 16)
#define SUN8I_MIXER_CHAN_VI_DS_M(x) ((x) << 0)
--
2.27.0
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dri-devel@lists.freedesktop.org
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^ permalink raw reply related [flat|nested] 4+ messages in thread