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-rw-r--r--drivers/gpu/drm/sun4i/sun8i_mixer.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
index c7d4ccd605e0..015943c0ed5a 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
@@ -55,6 +55,15 @@ void sun8i_mixer_layer_enable(struct sun8i_mixer *mixer,
regmap_update_bits(mixer->engine.regs,
SUN8I_MIXER_CHAN_UI_LAYER_ATTR(chan, layer),
SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN, val);
+
+ if (enable)
+ val = SUN8I_MIXER_BLEND_PIPE_CTL_EN(chan);
+ else
+ val = 0;
+
+ regmap_update_bits(mixer->engine.regs,
+ SUN8I_MIXER_BLEND_PIPE_CTL,
+ SUN8I_MIXER_BLEND_PIPE_CTL_EN(chan), val);
}
static int sun8i_mixer_drm_format_to_layer(struct drm_plane *plane,
@@ -98,7 +107,7 @@ int sun8i_mixer_update_layer_coord(struct sun8i_mixer *mixer,
state->crtc_h));
DRM_DEBUG_DRIVER("Updating blender size\n");
regmap_write(mixer->engine.regs,
- SUN8I_MIXER_BLEND_ATTR_INSIZE(0),
+ SUN8I_MIXER_BLEND_ATTR_INSIZE(chan),
SUN8I_MIXER_SIZE(state->crtc_w,
state->crtc_h));
regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_OUTSIZE,
@@ -322,20 +331,17 @@ static int sun8i_mixer_bind(struct device *dev, struct device *master,
regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_BKCOLOR,
SUN8I_MIXER_BLEND_COLOR_BLACK);
- /* Initialize blender */
+ /*
+ * Set fill color of bottom plane to black. Generally not needed
+ * except when VI plane is at bottom (zpos = 0) and enabled.
+ */
regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_PIPE_CTL,
- SUN8I_MIXER_BLEND_PIPE_CTL_EN(0) |
SUN8I_MIXER_BLEND_PIPE_CTL_FC_EN(0));
-
- regmap_write(mixer->engine.regs,
- SUN8I_MIXER_BLEND_ATTR_FCOLOR(0),
+ regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_ATTR_FCOLOR(0),
SUN8I_MIXER_BLEND_COLOR_BLACK);
- /* Select the first UI channel */
- DRM_DEBUG_DRIVER("Selecting channel %d (first UI channel)\n",
- mixer->cfg->vi_num);
- regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_ROUTE,
- mixer->cfg->vi_num);
+ /* Fixed zpos for now */
+ regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_ROUTE, 0x43210);
plane_cnt = mixer->cfg->vi_num + mixer->cfg->ui_num;
for (i = 0; i < plane_cnt; i++)