diff options
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_ui_layer.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun8i_ui_layer.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c index 518e1921f47e..28c15c6ef1ef 100644 --- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c +++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c @@ -27,7 +27,8 @@ #include "sun8i_ui_scaler.h" static void sun8i_ui_layer_enable(struct sun8i_mixer *mixer, int channel, - int overlay, bool enable, unsigned int zpos) + int overlay, bool enable, unsigned int zpos, + unsigned int old_zpos) { u32 val; @@ -43,6 +44,18 @@ static void sun8i_ui_layer_enable(struct sun8i_mixer *mixer, int channel, SUN8I_MIXER_CHAN_UI_LAYER_ATTR(channel, overlay), SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN, val); + if (!enable || zpos != old_zpos) { + regmap_update_bits(mixer->engine.regs, + SUN8I_MIXER_BLEND_PIPE_CTL, + SUN8I_MIXER_BLEND_PIPE_CTL_EN(old_zpos), + 0); + + regmap_update_bits(mixer->engine.regs, + SUN8I_MIXER_BLEND_ROUTE, + SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(old_zpos), + 0); + } + if (enable) { val = SUN8I_MIXER_BLEND_PIPE_CTL_EN(zpos); @@ -242,9 +255,11 @@ static void sun8i_ui_layer_atomic_disable(struct drm_plane *plane, struct drm_plane_state *old_state) { struct sun8i_ui_layer *layer = plane_to_sun8i_ui_layer(plane); + unsigned int old_zpos = old_state->normalized_zpos; struct sun8i_mixer *mixer = layer->mixer; - sun8i_ui_layer_enable(mixer, layer->channel, layer->overlay, false, 0); + sun8i_ui_layer_enable(mixer, layer->channel, layer->overlay, false, 0, + old_zpos); } static void sun8i_ui_layer_atomic_update(struct drm_plane *plane, @@ -252,11 +267,12 @@ static void sun8i_ui_layer_atomic_update(struct drm_plane *plane, { struct sun8i_ui_layer *layer = plane_to_sun8i_ui_layer(plane); unsigned int zpos = plane->state->normalized_zpos; + unsigned int old_zpos = old_state->normalized_zpos; struct sun8i_mixer *mixer = layer->mixer; if (!plane->state->visible) { sun8i_ui_layer_enable(mixer, layer->channel, - layer->overlay, false, 0); + layer->overlay, false, 0, old_zpos); return; } @@ -267,7 +283,7 @@ static void sun8i_ui_layer_atomic_update(struct drm_plane *plane, sun8i_ui_layer_update_buffer(mixer, layer->channel, layer->overlay, plane); sun8i_ui_layer_enable(mixer, layer->channel, layer->overlay, - true, zpos); + true, zpos, old_zpos); } static struct drm_plane_helper_funcs sun8i_ui_layer_helper_funcs = { |