Commit eb76243c authored by BALATON Zoltan's avatar BALATON Zoltan Committed by David Gibson
Browse files

sm501: Set updated region dirty after 2D operation 



Set the changed memory region dirty after performed a 2D operation to
ensure that the screen is updated properly.

Signed-off-by: default avatarBALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent 33159dd7

hw/display/sm501.c

+15 −2
Original line number Diff line number Diff line
@@ -715,12 +715,16 @@ static void sm501_2d_operation(SM501State *s) 
    /* 1 if rop2 source is the pattern, otherwise the source is the bitmap */

    int rop2_source_is_pattern = (s->twoD_control >> 14) & 0x1;

    int rop = s->twoD_control & 0xFF;

    uint32_t src_base = s->twoD_source_base & 0x03FFFFFF;

    uint32_t dst_base = s->twoD_destination_base & 0x03FFFFFF;



    /* get frame buffer info */

    uint8_t *src = s->local_mem + (s->twoD_source_base & 0x03FFFFFF);

    uint8_t *dst = s->local_mem + (s->twoD_destination_base & 0x03FFFFFF);

    uint8_t *src = s->local_mem + src_base;

    uint8_t *dst = s->local_mem + dst_base;

    int src_width = s->twoD_pitch & 0x1FFF;

    int dst_width = (s->twoD_pitch >> 16) & 0x1FFF;

    int crt = (s->dc_crt_control & SM501_DC_CRT_CONTROL_SEL) ? 1 : 0;

    int fb_len = get_width(s, crt) * get_height(s, crt) * get_bpp(s, crt);



    if (addressing != 0x0) {

        printf("%s: only XY addressing is supported.\n", __func__);
@@ -821,6 +825,15 @@ static void sm501_2d_operation(SM501State *s) 
        abort();

        break;

    }



    if (dst_base >= get_fb_addr(s, crt) &&

        dst_base <= get_fb_addr(s, crt) + fb_len) {

        int dst_len = MIN(fb_len, ((dst_y + operation_height - 1) * dst_width +

                           dst_x + operation_width) * (1 << format_flags));

        if (dst_len) {

            memory_region_set_dirty(&s->local_mem_region, dst_base, dst_len);

        }

    }

}



static uint64_t sm501_system_config_read(void *opaque, hwaddr addr,