diff options
Diffstat (limited to 'hw/display/sm501.c')
| -rw-r--r-- | hw/display/sm501.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/display/sm501.c b/hw/display/sm501.c index 05c964bea1..b095134d6f 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -487,6 +487,7 @@ typedef struct SM501State { MemoryRegion twoD_engine_region; uint32_t last_width; uint32_t last_height; + bool do_full_update; /* perform a full update next time */ I2CBus *i2c_bus; /* mmio registers */ @@ -1042,6 +1043,7 @@ static void sm501_palette_write(void *opaque, hwaddr addr, assert(range_covers_byte(0, 0x400 * 3, addr)); *(uint32_t *)&s->dc_palette[addr] = value; + s->do_full_update = true; } static uint64_t sm501_disp_ctrl_read(void *opaque, hwaddr addr, @@ -1630,6 +1632,12 @@ static void sm501_update_display(void *opaque) full_update = 1; } + /* someone else requested a full update */ + if (s->do_full_update) { + s->do_full_update = false; + full_update = 1; + } + /* draw each line according to conditions */ snap = memory_region_snapshot_and_clear_dirty(&s->local_mem_region, offset, width * height * src_bpp, DIRTY_MEMORY_VGA); |