Commit cd8fef8d authored by Anton V. Boyarshinov's avatar Anton V. Boyarshinov Committed by Gerd Hoffmann
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Arithmetic error in EDID generation fixed 



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: default avatarAnton V. Boyarshinov <boyarsh@altlinux.org>
Message-id: 20200226122054.366b9cda@table.localdomain
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent e0175b71

hw/display/edid-generate.c

+2 −2
Original line number Diff line number Diff line
@@ -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;