From: "Anton V. Boyarshinov" <boya...@altlinux.org> To calculate screen size in centimeters we should calculate: pixels/dpi*2.54 but not pixels*dpi/2540
Using wrong formula we actually get 65 DPI and very small fonts. Signed-off-by: Anton V. Boyarshinov <boya...@altlinux.org> Message-id: 20200226122054.366b9cda@table.localdomain Signed-off-by: Gerd Hoffmann <kra...@redhat.com> --- 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 75c945a94813..e58472fde501 100644 --- a/hw/display/edid-generate.c +++ b/hw/display/edid-generate.c @@ -360,8 +360,8 @@ void qemu_edid_generate(uint8_t *edid, size_t size, edid[20] = 0xa5; /* screen size: undefined */ - edid[21] = info->prefx * info->dpi / 2540; - edid[22] = info->prefy * info->dpi / 2540; + edid[21] = info->prefx * 254 / 100 / info->dpi; + edid[22] = info->prefy * 254 / 100 / info->dpi; /* display gamma: 2.2 */ edid[23] = 220 - 100; -- 2.18.2