bool manual_update;
bool do_manual_update;
-
- /* manual update region */
- u16 x, y, w, h;
-
- /* enlarge the update area if the update area contains scaled
- * overlays */
- bool enlarge_update_area;
};
static struct {
return ovl->info.enabled && ovl->manager && ovl->manager->device;
}
-/* Is rect1 a subset of rect2? */
-static bool rectangle_subset(int x1, int y1, int w1, int h1,
- int x2, int y2, int w2, int h2)
-{
- if (x1 < x2 || y1 < y2)
- return false;
-
- if (x1 + w1 > x2 + w2)
- return false;
-
- if (y1 + h1 > y2 + h2)
- return false;
-
- return true;
-}
-
-/* Do rect1 and rect2 overlap? */
-static bool rectangle_intersects(int x1, int y1, int w1, int h1,
- int x2, int y2, int w2, int h2)
-{
- if (x1 >= x2 + w2)
- return false;
-
- if (x2 >= x1 + w1)
- return false;
-
- if (y1 >= y2 + h2)
- return false;
-
- if (y2 >= y1 + h1)
- return false;
-
- return true;
-}
-
-static bool dispc_is_overlay_scaled(struct overlay_cache_data *oc)
-{
- struct omap_overlay_info *oi = &oc->info;
-
- if (oi->out_width != 0 && oi->width != oi->out_width)
- return true;
-
- if (oi->out_height != 0 && oi->height != oi->out_height)
- return true;
-
- return false;
-}
-
static int configure_overlay(enum omap_plane plane)
{
struct overlay_cache_data *c;
- struct manager_cache_data *mc;
- struct omap_overlay_info *oi, new_oi;
- struct omap_overlay_manager_info *mi;
- u16 outw, outh;
- u16 x, y, w, h;
- u32 paddr;
+ struct omap_overlay_info *oi;
int r;
- u16 orig_w, orig_h, orig_outw, orig_outh;
DSSDBGF("%d", plane);
return 0;
}
- mc = &dss_cache.manager_cache[c->channel];
- mi = &mc->info;
-
- x = oi->pos_x;
- y = oi->pos_y;
- w = oi->width;
- h = oi->height;
- outw = oi->out_width == 0 ? oi->width : oi->out_width;
- outh = oi->out_height == 0 ? oi->height : oi->out_height;
- paddr = oi->paddr;
-
- orig_w = w;
- orig_h = h;
- orig_outw = outw;
- orig_outh = outh;
-
- if (mc->manual_update && mc->do_manual_update) {
- unsigned bpp;
- unsigned scale_x_m = w, scale_x_d = outw;
- unsigned scale_y_m = h, scale_y_d = outh;
-
- /* If the overlay is outside the update region, disable it */
- if (!rectangle_intersects(mc->x, mc->y, mc->w, mc->h,
- x, y, outw, outh)) {
- dispc_ovl_enable(plane, 0);
- return 0;
- }
-
- switch (oi->color_mode) {
- case OMAP_DSS_COLOR_NV12:
- bpp = 8;
- break;
- case OMAP_DSS_COLOR_RGB16:
- case OMAP_DSS_COLOR_ARGB16:
- case OMAP_DSS_COLOR_YUV2:
- case OMAP_DSS_COLOR_UYVY:
- case OMAP_DSS_COLOR_RGBA16:
- case OMAP_DSS_COLOR_RGBX16:
- case OMAP_DSS_COLOR_ARGB16_1555:
- case OMAP_DSS_COLOR_XRGB16_1555:
- bpp = 16;
- break;
-
- case OMAP_DSS_COLOR_RGB24P:
- bpp = 24;
- break;
-
- case OMAP_DSS_COLOR_RGB24U:
- case OMAP_DSS_COLOR_ARGB32:
- case OMAP_DSS_COLOR_RGBA32:
- case OMAP_DSS_COLOR_RGBX32:
- bpp = 32;
- break;
-
- default:
- BUG();
- }
-
- if (mc->x > oi->pos_x) {
- x = 0;
- outw -= (mc->x - oi->pos_x);
- paddr += (mc->x - oi->pos_x) *
- scale_x_m / scale_x_d * bpp / 8;
- } else {
- x = oi->pos_x - mc->x;
- }
-
- if (mc->y > oi->pos_y) {
- y = 0;
- outh -= (mc->y - oi->pos_y);
- paddr += (mc->y - oi->pos_y) *
- scale_y_m / scale_y_d *
- oi->screen_width * bpp / 8;
- } else {
- y = oi->pos_y - mc->y;
- }
-
- if (mc->w < (x + outw))
- outw -= (x + outw) - (mc->w);
-
- if (mc->h < (y + outh))
- outh -= (y + outh) - (mc->h);
-
- w = w * outw / orig_outw;
- h = h * outh / orig_outh;
-
- /* YUV mode overlay's input width has to be even and the
- * algorithm above may adjust the width to be odd.
- *
- * Here we adjust the width if needed, preferring to increase
- * the width if the original width was bigger.
- */
- if ((w & 1) &&
- (oi->color_mode == OMAP_DSS_COLOR_YUV2 ||
- oi->color_mode == OMAP_DSS_COLOR_UYVY)) {
- if (orig_w > w)
- w += 1;
- else
- w -= 1;
- }
- }
-
- new_oi = *oi;
-
- /* update new_oi members which could have been possibly updated */
- new_oi.pos_x = x;
- new_oi.pos_y = y;
- new_oi.width = w;
- new_oi.height = h;
- new_oi.out_width = outw;
- new_oi.out_height = outh;
- new_oi.paddr = paddr;
-
- r = dispc_ovl_setup(plane, &new_oi, c->ilace, c->channel,
+ r = dispc_ovl_setup(plane, oi, c->ilace, c->channel,
c->replication, c->fifo_low, c->fifo_high);
if (r) {
/* this shouldn't happen */
return r;
}
-/* Make the coordinates even. There are some strange problems with OMAP and
- * partial DSI update when the update widths are odd. */
-static void make_even(u16 *x, u16 *w)
-{
- u16 x1, x2;
-
- x1 = *x;
- x2 = *x + *w;
-
- x1 &= ~1;
- x2 = ALIGN(x2, 2);
-
- *x = x1;
- *w = x2 - x1;
-}
-
-/* Configure dispc for partial update. Return possibly modified update
- * area */
-void dss_setup_partial_planes(struct omap_dss_device *dssdev,
- u16 *xi, u16 *yi, u16 *wi, u16 *hi, bool enlarge_update_area)
+void dss_start_update(struct omap_dss_device *dssdev)
{
- struct overlay_cache_data *oc;
struct manager_cache_data *mc;
- struct omap_overlay_info *oi;
+ struct overlay_cache_data *oc;
const int num_ovls = dss_feat_get_num_ovls();
+ const int num_mgrs = dss_feat_get_num_mgrs();
struct omap_overlay_manager *mgr;
int i;
- u16 x, y, w, h;
- unsigned long flags;
- bool area_changed;
-
- x = *xi;
- y = *yi;
- w = *wi;
- h = *hi;
-
- DSSDBG("dispc_setup_partial_planes %d,%d %dx%d\n",
- *xi, *yi, *wi, *hi);
mgr = dssdev->manager;
- if (!mgr) {
- DSSDBG("no manager\n");
- return;
- }
-
- make_even(&x, &w);
-
- spin_lock_irqsave(&dss_cache.lock, flags);
-
- /*
- * Execute the outer loop until the inner loop has completed
- * once without increasing the update area. This will ensure that
- * all scaled overlays end up completely within the update area.
- */
- do {
- area_changed = false;
-
- /* We need to show the whole overlay if it is scaled. So look
- * for those, and make the update area larger if found.
- * Also mark the overlay cache dirty */
- for (i = 0; i < num_ovls; ++i) {
- unsigned x1, y1, x2, y2;
- unsigned outw, outh;
-
- oc = &dss_cache.overlay_cache[i];
- oi = &oc->info;
-
- if (oc->channel != mgr->id)
- continue;
-
- oc->dirty = true;
-
- if (!enlarge_update_area)
- continue;
-
- if (!oc->enabled)
- continue;
-
- if (!dispc_is_overlay_scaled(oc))
- continue;
-
- outw = oi->out_width == 0 ?
- oi->width : oi->out_width;
- outh = oi->out_height == 0 ?
- oi->height : oi->out_height;
-
- /* is the overlay outside the update region? */
- if (!rectangle_intersects(x, y, w, h,
- oi->pos_x, oi->pos_y,
- outw, outh))
- continue;
-
- /* if the overlay totally inside the update region? */
- if (rectangle_subset(oi->pos_x, oi->pos_y, outw, outh,
- x, y, w, h))
- continue;
-
- if (x > oi->pos_x)
- x1 = oi->pos_x;
- else
- x1 = x;
-
- if (y > oi->pos_y)
- y1 = oi->pos_y;
- else
- y1 = y;
-
- if ((x + w) < (oi->pos_x + outw))
- x2 = oi->pos_x + outw;
- else
- x2 = x + w;
-
- if ((y + h) < (oi->pos_y + outh))
- y2 = oi->pos_y + outh;
- else
- y2 = y + h;
-
- x = x1;
- y = y1;
- w = x2 - x1;
- h = y2 - y1;
-
- make_even(&x, &w);
-
- DSSDBG("changing upd area due to ovl(%d) "
- "scaling %d,%d %dx%d\n",
- i, x, y, w, h);
-
- area_changed = true;
- }
- } while (area_changed);
-
mc = &dss_cache.manager_cache[mgr->id];
- mc->do_manual_update = true;
- mc->enlarge_update_area = enlarge_update_area;
- mc->x = x;
- mc->y = y;
- mc->w = w;
- mc->h = h;
+ mc->do_manual_update = true;
configure_dispc();
-
mc->do_manual_update = false;
- spin_unlock_irqrestore(&dss_cache.lock, flags);
-
- *xi = x;
- *yi = y;
- *wi = w;
- *hi = h;
-}
-
-void dss_start_update(struct omap_dss_device *dssdev)
-{
- struct manager_cache_data *mc;
- struct overlay_cache_data *oc;
- const int num_ovls = dss_feat_get_num_ovls();
- const int num_mgrs = dss_feat_get_num_mgrs();
- struct omap_overlay_manager *mgr;
- int i;
-
- mgr = dssdev->manager;
-
for (i = 0; i < num_ovls; ++i) {
oc = &dss_cache.overlay_cache[i];
if (oc->channel != mgr->id)
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