uint32_t total_lines = 0;
uint32_t lines_per_way = 0;
uint32_t num_ways = 0;
+ uint32_t prev_addr_low = 0;
for (i = 0; i < ctx->stream_count; i++) {
stream = ctx->streams[i];
plane = ctx->stream_status[i].plane_states[j];
// Calculate total surface size
- surface_size = plane->plane_size.surface_pitch *
+ if (prev_addr_low != plane->address.grph.addr.u.low_part) {
+ /* if plane address are different from prev FB, then userspace allocated separate FBs*/
+ surface_size += plane->plane_size.surface_pitch *
plane->plane_size.surface_size.height *
(plane->format >= SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616 ? 8 : 4);
+ prev_addr_low = plane->address.grph.addr.u.low_part;
+ } else {
+ /* We have the same fb for all the planes.
+ * Xorg always creates one giant fb that holds all surfaces,
+ * so allocating it once is sufficient.
+ * */
+ continue;
+ }
// Convert surface size + starting address to number of cache lines required
// (alignment accounted for)
cache_lines_used += dcn32_cache_lines_for_surface(dc, surface_size,