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authorHelge Deller2020-09-03 07:44:58 +0200
committerHelge Deller2020-09-03 17:30:04 +0200
commit32a2b033f0a406c0dd4cc7375367ee63cc36789a (patch)
tree02d323deffd90e98d6857ea510f547d9ca9f621e /hw/display/artist.c
parenthw/display/artist: Refactor x/y coordination extraction (diff)
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hw/display/artist: Allow screen size up to 2048 lines
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>
Diffstat (limited to 'hw/display/artist.c')
-rw-r--r--hw/display/artist.c2
1 files changed, 1 insertions, 1 deletions
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)