diff options
Diffstat (limited to 'drivers/gpu/drm/arm/display/komeda/komeda_kms.c')
| -rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_kms.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c index 5d10c55c9c40..85438606d406 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c @@ -143,6 +143,8 @@ static int komeda_crtc_normalize_zpos(struct drm_crtc *crtc, struct drm_crtc_state *crtc_st) { struct drm_atomic_state *state = crtc_st->state; + struct komeda_crtc *kcrtc = to_kcrtc(crtc); + struct komeda_crtc_state *kcrtc_st = to_kcrtc_st(crtc_st); struct komeda_plane_state *kplane_st; struct drm_plane_state *plane_st; struct drm_framebuffer *fb; @@ -167,6 +169,8 @@ static int komeda_crtc_normalize_zpos(struct drm_crtc *crtc, return err; } + kcrtc_st->max_slave_zorder = 0; + list_for_each_entry(kplane_st, &zorder_list, zlist_node) { plane_st = &kplane_st->base; fb = plane_st->fb; @@ -185,6 +189,12 @@ static int komeda_crtc_normalize_zpos(struct drm_crtc *crtc, DRM_DEBUG_ATOMIC("[PLANE:%d:%s] zpos:%d, normalized zpos: %d\n", plane->base.id, plane->name, plane_st->zpos, plane_st->normalized_zpos); + + /* calculate max slave zorder */ + if (has_bit(drm_plane_index(plane), kcrtc->slave_planes)) + kcrtc_st->max_slave_zorder = + max(plane_st->normalized_zpos, + kcrtc_st->max_slave_zorder); } crtc_st->zpos_changed = true; |