diff options
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_vi_layer.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 48 |
1 files changed, 40 insertions, 8 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c index 8cc294a9969d..8abb59e2f0c0 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) { |