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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: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
BALATON Zoltan 2018-07-04 11:40:58 +02:00 committed by David Gibson
parent 33159dd7ce
commit eb76243c9d
1 changed files with 15 additions and 2 deletions
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17
hw/display/sm501.c
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@ -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,