diff options
| -rw-r--r-- | drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 108 |
3 files changed, 111 insertions, 1 deletions
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c index b0c0627..a120246 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -212,7 +212,7 @@ static int atmel_hlcdc_crtc_atomic_check(struct drm_crtc *c, if (atmel_hlcdc_dc_mode_valid(crtc->dc, &s->adjusted_mode) != MODE_OK) return -EINVAL; - return 0; + return atmel_hlcdc_plane_prepare_disc_area(s); } static void atmel_hlcdc_crtc_atomic_begin(struct drm_crtc *c) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h index 015c3f1..1ea9c2c 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h @@ -148,6 +148,8 @@ int atmel_hlcdc_dc_mode_valid(struct atmel_hlcdc_dc *dc, struct atmel_hlcdc_planes * atmel_hlcdc_create_planes(struct drm_device *dev); +int atmel_hlcdc_plane_prepare_disc_area(struct drm_crtc_state *c_state); + void atmel_hlcdc_crtc_irq(struct drm_crtc *c); void atmel_hlcdc_crtc_cancel_page_flip(struct drm_crtc *crtc, diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c index 6c6fcae..dbf97d9 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c @@ -51,6 +51,13 @@ struct atmel_hlcdc_plane_state { u8 alpha; + bool disc_updated; + + int disc_x; + int disc_y; + int disc_w; + int disc_h; + /* These fields are private and should not be touched */ int bpp[ATMEL_HLCDC_MAX_PLANES]; unsigned int offsets[ATMEL_HLCDC_MAX_PLANES]; @@ -428,6 +435,104 @@ static void atmel_hlcdc_plane_update_buffers(struct atmel_hlcdc_plane *plane, } } +int +atmel_hlcdc_plane_prepare_disc_area(struct drm_crtc_state *c_state) +{ + int disc_x = 0, disc_y = 0, disc_w = 0, disc_h = 0; + const struct atmel_hlcdc_layer_cfg_layout *layout; + struct atmel_hlcdc_plane_state *primary_state; + struct drm_plane_state *primary_s; + struct atmel_hlcdc_plane *primary; + struct drm_plane *ovl; + + primary = drm_plane_to_atmel_hlcdc_plane(c_state->crtc->primary); + layout = &primary->layer.desc->layout; + if (!layout->disc_pos || !layout->disc_size) + return 0; + + primary_s = drm_atomic_get_plane_state(c_state->state, + &primary->base); + if (IS_ERR(primary_s)) + return PTR_ERR(primary_s); + + primary_state = drm_plane_state_to_atmel_hlcdc_plane_state(primary_s); + + drm_atomic_crtc_state_for_each_plane(ovl, c_state) { + struct atmel_hlcdc_plane_state *ovl_state; + struct drm_plane_state *ovl_s; + + if (ovl == c_state->crtc->primary) + continue; + + ovl_s = drm_atomic_get_plane_state(c_state->state, ovl); + if (IS_ERR(ovl_s)) + return PTR_ERR(ovl_s); + + ovl_state = drm_plane_state_to_atmel_hlcdc_plane_state(ovl_s); + + if (!ovl_s->fb || + atmel_hlcdc_format_embeds_alpha(ovl_s->fb->pixel_format) || + ovl_state->alpha != 255) + continue; + + /* TODO: implement a smarter hidden area detection */ + if (ovl_state->crtc_h * ovl_state->crtc_w < disc_h * disc_w) + continue; + + disc_x = ovl_state->crtc_x; + disc_y = ovl_state->crtc_y; + disc_h = ovl_state->crtc_h; + disc_w = ovl_state->crtc_w; + } + + if (disc_x == primary_state->disc_x && + disc_y == primary_state->disc_y && + disc_w == primary_state->disc_w && + disc_h == primary_state->disc_h) + return 0; + + + primary_state->disc_x = disc_x; + primary_state->disc_y = disc_y; + primary_state->disc_w = disc_w; + primary_state->disc_h = disc_h; + primary_state->disc_updated = true; + + return 0; +} + +static void +atmel_hlcdc_plane_update_disc_area(struct atmel_hlcdc_plane *plane, + struct atmel_hlcdc_plane_state *state) +{ + const struct atmel_hlcdc_layer_cfg_layout *layout = + &plane->layer.desc->layout; + int disc_surface = 0; + + if (!state->disc_updated) + return; + + disc_surface = state->disc_h * state->disc_w; + + atmel_hlcdc_layer_update_cfg(&plane->layer, layout->general_config, + ATMEL_HLCDC_LAYER_DISCEN, + disc_surface ? ATMEL_HLCDC_LAYER_DISCEN : 0); + + if (!disc_surface) + return; + + atmel_hlcdc_layer_update_cfg(&plane->layer, + layout->disc_pos, + 0xffffffff, + state->disc_x | (state->disc_y << 16)); + + atmel_hlcdc_layer_update_cfg(&plane->layer, + layout->disc_size, + 0xffffffff, + (state->disc_w - 1) | + ((state->disc_h - 1) << 16)); +} + static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p, struct drm_plane_state *s) { @@ -628,6 +733,7 @@ static void atmel_hlcdc_plane_atomic_update(struct drm_plane *p, atmel_hlcdc_plane_update_general_settings(plane, state); atmel_hlcdc_plane_update_format(plane, state); atmel_hlcdc_plane_update_buffers(plane, state); + atmel_hlcdc_plane_update_disc_area(plane, state); atmel_hlcdc_layer_update_commit(&plane->layer); } @@ -773,6 +879,8 @@ atmel_hlcdc_plane_atomic_duplicate_state(struct drm_plane *p) if (!copy) return NULL; + copy->disc_updated = false; + if (copy->base.fb) drm_framebuffer_reference(copy->base.fb); |
