diff options
Diffstat (limited to 'drivers/gpu/drm/sti')
| -rw-r--r-- | drivers/gpu/drm/sti/sti_drm_plane.c | 23 | ||||
| -rw-r--r-- | drivers/gpu/drm/sti/sti_mixer.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/sti/sti_mixer.h | 2 |
3 files changed, 24 insertions, 20 deletions
diff --git a/drivers/gpu/drm/sti/sti_drm_plane.c b/drivers/gpu/drm/sti/sti_drm_plane.c index 64d4ed43dda3..5427bc28f205 100644 --- a/drivers/gpu/drm/sti/sti_drm_plane.c +++ b/drivers/gpu/drm/sti/sti_drm_plane.c @@ -15,17 +15,16 @@ #include "sti_drm_plane.h" #include "sti_vtg.h" +/* (Background) < GDP0 < GDP1 < VID0 < VID1 < GDP2 < GDP3 < (ForeGround) */ enum sti_layer_desc sti_layer_default_zorder[] = { STI_GDP_0, - STI_VID_0, STI_GDP_1, + STI_VID_0, STI_VID_1, STI_GDP_2, STI_GDP_3, }; -/* (Background) < GDP0 < VID0 < GDP1 < VID1 < GDP2 < GDP3 < (ForeGround) */ - static int sti_drm_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, struct drm_framebuffer *fb, int crtc_x, int crtc_y, @@ -191,8 +190,7 @@ static const struct drm_plane_helper_funcs sti_drm_plane_helpers_funcs = { .atomic_disable = sti_drm_plane_atomic_disable, }; -static void sti_drm_plane_attach_zorder_property(struct drm_plane *plane, - uint64_t default_val) +static void sti_drm_plane_attach_zorder_property(struct drm_plane *plane) { struct drm_device *dev = plane->dev; struct sti_drm_private *private = dev->dev_private; @@ -201,16 +199,15 @@ static void sti_drm_plane_attach_zorder_property(struct drm_plane *plane, prop = private->plane_zorder_property; if (!prop) { - prop = drm_property_create_range(dev, 0, "zpos", 0, - GAM_MIXER_NB_DEPTH_LEVEL - 1); + prop = drm_property_create_range(dev, 0, "zpos", 1, + GAM_MIXER_NB_DEPTH_LEVEL); if (!prop) return; private->plane_zorder_property = prop; } - drm_object_attach_property(&plane->base, prop, default_val); - layer->zorder = default_val; + drm_object_attach_property(&plane->base, prop, layer->zorder); } struct drm_plane *sti_drm_plane_init(struct drm_device *dev, @@ -219,7 +216,6 @@ struct drm_plane *sti_drm_plane_init(struct drm_device *dev, enum drm_plane_type type) { int err, i; - uint64_t default_zorder = 0; err = drm_universal_plane_init(dev, &layer->plane, possible_crtcs, &sti_drm_plane_funcs, @@ -236,15 +232,14 @@ struct drm_plane *sti_drm_plane_init(struct drm_device *dev, if (sti_layer_default_zorder[i] == layer->desc) break; - default_zorder = i + 1; + layer->zorder = i + 1; if (type == DRM_PLANE_TYPE_OVERLAY) - sti_drm_plane_attach_zorder_property(&layer->plane, - default_zorder); + sti_drm_plane_attach_zorder_property(&layer->plane); DRM_DEBUG_DRIVER("drm plane:%d mapped to %s with zorder:%llu\n", layer->plane.base.id, - sti_layer_to_str(layer), default_zorder); + sti_layer_to_str(layer), layer->zorder); return &layer->plane; } diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c index 13a4b84deab6..61a2048cf5d6 100644 --- a/drivers/gpu/drm/sti/sti_mixer.c +++ b/drivers/gpu/drm/sti/sti_mixer.c @@ -103,10 +103,11 @@ static void sti_mixer_set_background_area(struct sti_mixer *mixer, int sti_mixer_set_layer_depth(struct sti_mixer *mixer, struct sti_layer *layer) { - int layer_id = 0, depth = layer->zorder; + int layer_id, depth = layer->zorder; + unsigned int i; u32 mask, val; - if (depth >= GAM_MIXER_NB_DEPTH_LEVEL) + if ((depth < 1) || (depth > GAM_MIXER_NB_DEPTH_LEVEL)) return 1; switch (layer->desc) { @@ -136,15 +137,23 @@ int sti_mixer_set_layer_depth(struct sti_mixer *mixer, struct sti_layer *layer) DRM_ERROR("Unknown layer %d\n", layer->desc); return 1; } - mask = GAM_DEPTH_MASK_ID << (3 * depth); - layer_id = layer_id << (3 * depth); + + /* Search if a previous depth was already assigned to the layer */ + val = sti_mixer_reg_read(mixer, GAM_MIXER_CRB); + for (i = 0; i < GAM_MIXER_NB_DEPTH_LEVEL; i++) { + mask = GAM_DEPTH_MASK_ID << (3 * i); + if ((val & mask) == layer_id << (3 * i)) + break; + } + + mask |= GAM_DEPTH_MASK_ID << (3 * (depth - 1)); + layer_id = layer_id << (3 * (depth - 1)); DRM_DEBUG_DRIVER("%s %s depth=%d\n", sti_mixer_to_str(mixer), sti_layer_to_str(layer), depth); dev_dbg(mixer->dev, "GAM_MIXER_CRB val 0x%x mask 0x%x\n", layer_id, mask); - val = sti_mixer_reg_read(mixer, GAM_MIXER_CRB); val &= ~mask; val |= layer_id; sti_mixer_reg_write(mixer, GAM_MIXER_CRB, val); diff --git a/drivers/gpu/drm/sti/sti_mixer.h b/drivers/gpu/drm/sti/sti_mixer.h index b97282182908..eb663f65f814 100644 --- a/drivers/gpu/drm/sti/sti_mixer.h +++ b/drivers/gpu/drm/sti/sti_mixer.h @@ -49,7 +49,7 @@ int sti_mixer_active_video_area(struct sti_mixer *mixer, void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable); /* depth in Cross-bar control = z order */ -#define GAM_MIXER_NB_DEPTH_LEVEL 7 +#define GAM_MIXER_NB_DEPTH_LEVEL 6 #define STI_MIXER_MAIN 0 #define STI_MIXER_AUX 1 |