From: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
Divide the resolution by the DPI, and multiply to mm.
Note the computation done for edid[21/22] is correct (in cm).
Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
---
hw/display/edid-generate.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/display/edid-generate.c b/hw/display/edid-generate.c
index e58472fde5..618c74e1df 100644
--- a/hw/display/edid-generate.c
+++ b/hw/display/edid-generate.c
@@ -208,8 +208,8 @@ static void edid_desc_timing(uint8_t *desc,
uint32_t dpi)
{
/* physical display size */
- uint32_t xmm = xres * dpi / 254;
- uint32_t ymm = yres * dpi / 254;
+ uint32_t xmm = xres * 254 / 10 / dpi;
+ uint32_t ymm = yres * 254 / 10 / dpi;
/* pull some realistic looking timings out of thin air */
uint32_t xfront = xres * 25 / 100;
--
2.26.2
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