diff mbox series

[PULL,10/10] hw/display/artist: Allow screen size up to 2048 lines

Message ID 20200903160746.27491-11-deller@gmx.de
State New
Headers show
Series [PULL,01/10] seabios-hppa: Update SeaBIOS to hppa-qemu-5.2-2 tag | expand

Commit Message

Helge Deller Sept. 3, 2020, 4:07 p.m. UTC 
Adjust the ADDR_TO_Y() macro to extract 11 bits, which allows userspace
to address screen sizes up to 2048 lines (instead of 1024 before).

Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 hw/display/artist.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
2.21.3
diff mbox series

Patch

diff --git a/hw/display/artist.c b/hw/display/artist.c
index 16d85c65f8..955296d3d8 100644
--- a/hw/display/artist.c
+++ b/hw/display/artist.c
@@ -193,7 +193,7 @@  static const char *artist_reg_name(uint64_t addr)
 #undef REG_NAME

 /* artist has a fixed line length of 2048 bytes. */
-#define ADDR_TO_Y(addr) extract32(addr, 11, 10)
+#define ADDR_TO_Y(addr) extract32(addr, 11, 11)
 #define ADDR_TO_X(addr) extract32(addr, 0, 11)

 static int16_t artist_get_x(uint32_t reg)